prompt
stringlengths 799
20.4k
| output
int64 0
1
|
|---|---|
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: lex(struct scanner *s, union lvalue *val)
{
skip_more_whitespace_and_comments:
/* Skip spaces. */
while (is_space(peek(s)))
if (next(s) == '\n')
return TOK_END_OF_LINE;
/* Skip comments. */
if (chr(s, '#')) {
skip_to_eol(s);
goto skip_more_whitespace_and_comments;
}
/* See if we're done. */
if (eof(s)) return TOK_END_OF_FILE;
/* New token. */
s->token_line = s->line;
s->token_column = s->column;
s->buf_pos = 0;
/* LHS Keysym. */
if (chr(s, '<')) {
while (peek(s) != '>' && !eol(s))
buf_append(s, next(s));
if (!chr(s, '>')) {
scanner_err(s, "unterminated keysym literal");
return TOK_ERROR;
}
if (!buf_append(s, '\0')) {
scanner_err(s, "keysym literal is too long");
return TOK_ERROR;
}
val->string.str = s->buf;
val->string.len = s->buf_pos;
return TOK_LHS_KEYSYM;
}
/* Colon. */
if (chr(s, ':'))
return TOK_COLON;
if (chr(s, '!'))
return TOK_BANG;
if (chr(s, '~'))
return TOK_TILDE;
/* String literal. */
if (chr(s, '\"')) {
while (!eof(s) && !eol(s) && peek(s) != '\"') {
if (chr(s, '\\')) {
uint8_t o;
if (chr(s, '\\')) {
buf_append(s, '\\');
}
else if (chr(s, '"')) {
buf_append(s, '"');
}
else if (chr(s, 'x') || chr(s, 'X')) {
if (hex(s, &o))
buf_append(s, (char) o);
else
scanner_warn(s, "illegal hexadecimal escape sequence in string literal");
}
else if (oct(s, &o)) {
buf_append(s, (char) o);
}
else {
scanner_warn(s, "unknown escape sequence (%c) in string literal", peek(s));
/* Ignore. */
}
} else {
buf_append(s, next(s));
}
}
if (!chr(s, '\"')) {
scanner_err(s, "unterminated string literal");
return TOK_ERROR;
}
if (!buf_append(s, '\0')) {
scanner_err(s, "string literal is too long");
return TOK_ERROR;
}
if (!is_valid_utf8(s->buf, s->buf_pos - 1)) {
scanner_err(s, "string literal is not a valid UTF-8 string");
return TOK_ERROR;
}
val->string.str = s->buf;
val->string.len = s->buf_pos;
return TOK_STRING;
}
/* Identifier or include. */
if (is_alpha(peek(s)) || peek(s) == '_') {
s->buf_pos = 0;
while (is_alnum(peek(s)) || peek(s) == '_')
buf_append(s, next(s));
if (!buf_append(s, '\0')) {
scanner_err(s, "identifier is too long");
return TOK_ERROR;
}
if (streq(s->buf, "include"))
return TOK_INCLUDE;
val->string.str = s->buf;
val->string.len = s->buf_pos;
return TOK_IDENT;
}
/* Discard rest of line. */
skip_to_eol(s);
scanner_err(s, "unrecognized token");
return TOK_ERROR;
}
CWE ID: CWE-835
Target: 1
Example 2:
Code: static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
{
VP56RangeCoder *c = &s->c;
int header_size, hscale, vscale, ret;
int width = s->avctx->width;
int height = s->avctx->height;
if (buf_size < 3) {
av_log(s->avctx, AV_LOG_ERROR, "Insufficent data (%d) for header\n", buf_size);
return AVERROR_INVALIDDATA;
}
s->keyframe = !(buf[0] & 1);
s->profile = (buf[0]>>1) & 7;
s->invisible = !(buf[0] & 0x10);
header_size = AV_RL24(buf) >> 5;
buf += 3;
buf_size -= 3;
if (s->profile > 3)
av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
if (!s->profile)
memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab,
sizeof(s->put_pixels_tab));
else // profile 1-3 use bilinear, 4+ aren't defined so whatever
memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_bilinear_pixels_tab,
sizeof(s->put_pixels_tab));
if (header_size > buf_size - 7 * s->keyframe) {
av_log(s->avctx, AV_LOG_ERROR, "Header size larger than data provided\n");
return AVERROR_INVALIDDATA;
}
if (s->keyframe) {
if (AV_RL24(buf) != 0x2a019d) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid start code 0x%x\n", AV_RL24(buf));
return AVERROR_INVALIDDATA;
}
width = AV_RL16(buf + 3) & 0x3fff;
height = AV_RL16(buf + 5) & 0x3fff;
hscale = buf[4] >> 6;
vscale = buf[6] >> 6;
buf += 7;
buf_size -= 7;
if (hscale || vscale)
avpriv_request_sample(s->avctx, "Upscaling");
s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
vp78_reset_probability_tables(s);
memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
sizeof(s->prob->pred16x16));
memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
sizeof(s->prob->pred8x8c));
memcpy(s->prob->mvc, vp8_mv_default_prob,
sizeof(s->prob->mvc));
memset(&s->segmentation, 0, sizeof(s->segmentation));
memset(&s->lf_delta, 0, sizeof(s->lf_delta));
}
ret = ff_vp56_init_range_decoder(c, buf, header_size);
if (ret < 0)
return ret;
buf += header_size;
buf_size -= header_size;
if (s->keyframe) {
s->colorspace = vp8_rac_get(c);
if (s->colorspace)
av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
s->fullrange = vp8_rac_get(c);
}
if ((s->segmentation.enabled = vp8_rac_get(c)))
parse_segment_info(s);
else
s->segmentation.update_map = 0; // FIXME: move this to some init function?
s->filter.simple = vp8_rac_get(c);
s->filter.level = vp8_rac_get_uint(c, 6);
s->filter.sharpness = vp8_rac_get_uint(c, 3);
if ((s->lf_delta.enabled = vp8_rac_get(c)))
if (vp8_rac_get(c))
update_lf_deltas(s);
if (setup_partitions(s, buf, buf_size)) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid partitions\n");
return AVERROR_INVALIDDATA;
}
if (!s->macroblocks_base || /* first frame */
width != s->avctx->width || height != s->avctx->height ||
(width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
if ((ret = vp8_update_dimensions(s, width, height)) < 0)
return ret;
vp8_get_quants(s);
if (!s->keyframe) {
update_refs(s);
s->sign_bias[VP56_FRAME_GOLDEN] = vp8_rac_get(c);
s->sign_bias[VP56_FRAME_GOLDEN2 /* altref */] = vp8_rac_get(c);
}
if (!(s->update_probabilities = vp8_rac_get(c)))
s->prob[1] = s->prob[0];
s->update_last = s->keyframe || vp8_rac_get(c);
vp78_update_probability_tables(s);
if ((s->mbskip_enabled = vp8_rac_get(c)))
s->prob->mbskip = vp8_rac_get_uint(c, 8);
if (!s->keyframe) {
s->prob->intra = vp8_rac_get_uint(c, 8);
s->prob->last = vp8_rac_get_uint(c, 8);
s->prob->golden = vp8_rac_get_uint(c, 8);
vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE);
}
return 0;
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: SynchronousCompositorOutputSurface::DemandDrawHw(
gfx::Size surface_size,
const gfx::Transform& transform,
gfx::Rect viewport,
gfx::Rect clip,
gfx::Rect viewport_rect_for_tile_priority,
const gfx::Transform& transform_for_tile_priority) {
DCHECK(CalledOnValidThread());
DCHECK(HasClient());
DCHECK(context_provider_.get());
surface_size_ = surface_size;
InvokeComposite(transform, viewport, clip, viewport_rect_for_tile_priority,
transform_for_tile_priority, true);
return frame_holder_.Pass();
}
CWE ID: CWE-399
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void reflectStringAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
{
v8::Local<v8::Object> holder = info.Holder();
Element* impl = V8Element::toImpl(holder);
v8SetReturnValueString(info, impl->fastGetAttribute(HTMLNames::reflectstringattributeAttr), info.GetIsolate());
}
CWE ID: CWE-189
Target: 1
Example 2:
Code: static int sched_cpu_inactive(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned long flags;
long cpu = (long)hcpu;
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DOWN_PREPARE:
set_cpu_active(cpu, false);
/* explicitly allow suspend */
if (!(action & CPU_TASKS_FROZEN)) {
struct dl_bw *dl_b = dl_bw_of(cpu);
bool overflow;
int cpus;
raw_spin_lock_irqsave(&dl_b->lock, flags);
cpus = dl_bw_cpus(cpu);
overflow = __dl_overflow(dl_b, cpus, 0, 0);
raw_spin_unlock_irqrestore(&dl_b->lock, flags);
if (overflow)
return notifier_from_errno(-EBUSY);
}
return NOTIFY_OK;
}
return NOTIFY_DONE;
}
CWE ID: CWE-200
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int masq_inet_event(struct notifier_block *this,
unsigned long event,
void *ptr)
{
struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev;
struct netdev_notifier_info info;
netdev_notifier_info_init(&info, dev);
return masq_device_event(this, event, &info);
}
CWE ID: CWE-399
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: views::NonClientFrameView* ShellWindowViews::CreateNonClientFrameView(
views::Widget* widget) {
ShellWindowFrameView* frame_view = new ShellWindowFrameView();
frame_view->Init(window_);
return frame_view;
}
CWE ID: CWE-79
Target: 1
Example 2:
Code: int CMS_verify_receipt(CMS_ContentInfo *rcms, CMS_ContentInfo *ocms,
STACK_OF(X509) *certs,
X509_STORE *store, unsigned int flags)
{
int r;
flags &= ~(CMS_DETACHED | CMS_TEXT);
r = CMS_verify(rcms, certs, store, NULL, NULL, flags);
if (r <= 0)
return r;
return cms_Receipt_verify(rcms, ocms);
}
CWE ID: CWE-311
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void RenderViewHostImpl::StopFinding(StopFindAction action) {
Send(new ViewMsg_StopFinding(GetRoutingID(), action));
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static uint32_t readU16(const uint8_t* data, size_t offset) {
return data[offset] << 8 | data[offset + 1];
}
CWE ID: CWE-19
Target: 1
Example 2:
Code: static void crypto_cbc_exit_tfm(struct crypto_tfm *tfm)
{
struct crypto_cbc_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_free_cipher(ctx->child);
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void acl_mask_perm_str(acl_t acl, char *str)
{
acl_entry_t entry;
str[0] = '\0';
if (acl_get_entry(acl, ACL_FIRST_ENTRY, &entry) != 1)
return;
for(;;) {
acl_tag_t tag;
acl_get_tag_type(entry, &tag);
if (tag == ACL_MASK) {
acl_perm_str(entry, str);
return;
}
if (acl_get_entry(acl, ACL_NEXT_ENTRY, &entry) != 1)
return;
}
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: GLOzone* X11SurfaceFactory::GetGLOzone(gl::GLImplementation implementation) {
switch (implementation) {
case gl::kGLImplementationDesktopGL:
return glx_implementation_.get();
case gl::kGLImplementationEGLGLES2:
return egl_implementation_.get();
default:
return nullptr;
}
}
CWE ID: CWE-284
Target: 1
Example 2:
Code: int main(int argc, uschar **argv)
{
int i;
uschar buffer[1024];
debug_selector = D_v;
debug_file = stderr;
debug_fd = fileno(debug_file);
big_buffer = malloc(big_buffer_size);
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '+')
{
debug_trace_memory = 2;
argv[i]++;
}
if (isdigit(argv[i][0]))
debug_selector = Ustrtol(argv[i], NULL, 0);
else
if (Ustrspn(argv[i], "abcdefghijklmnopqrtsuvwxyz0123456789-.:/") ==
Ustrlen(argv[i]))
{
#ifdef LOOKUP_LDAP
eldap_default_servers = argv[i];
#endif
#ifdef LOOKUP_MYSQL
mysql_servers = argv[i];
#endif
#ifdef LOOKUP_PGSQL
pgsql_servers = argv[i];
#endif
#ifdef EXPERIMENTAL_REDIS
redis_servers = argv[i];
#endif
}
#ifdef EXIM_PERL
else opt_perl_startup = argv[i];
#endif
}
printf("Testing string expansion: debug_level = %d\n\n", debug_level);
expand_nstring[1] = US"string 1....";
expand_nlength[1] = 8;
expand_nmax = 1;
#ifdef EXIM_PERL
if (opt_perl_startup != NULL)
{
uschar *errstr;
printf("Starting Perl interpreter\n");
errstr = init_perl(opt_perl_startup);
if (errstr != NULL)
{
printf("** error in perl_startup code: %s\n", errstr);
return EXIT_FAILURE;
}
}
#endif /* EXIM_PERL */
while (fgets(buffer, sizeof(buffer), stdin) != NULL)
{
void *reset_point = store_get(0);
uschar *yield = expand_string(buffer);
if (yield != NULL)
{
printf("%s\n", yield);
store_reset(reset_point);
}
else
{
if (search_find_defer) printf("search_find deferred\n");
printf("Failed: %s\n", expand_string_message);
if (expand_string_forcedfail) printf("Forced failure\n");
printf("\n");
}
}
search_tidyup();
return 0;
}
CWE ID: CWE-189
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void ImageTransportFactory::Initialize() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kTestCompositor)) {
ui::SetupTestCompositor();
}
if (ui::IsTestCompositorEnabled()) {
g_factory = new DefaultTransportFactory();
WebKitPlatformSupportImpl::SetOffscreenContextFactoryForTest(
CreateTestContext);
} else {
g_factory = new GpuProcessTransportFactory();
}
ui::ContextFactory::SetInstance(g_factory->AsContextFactory());
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void DocumentLoader::DidInstallNewDocument(
Document* document,
const ContentSecurityPolicy* previous_csp) {
document->SetReadyState(Document::kLoading);
if (content_security_policy_) {
document->InitContentSecurityPolicy(content_security_policy_.Release(),
nullptr, previous_csp);
}
if (history_item_ && IsBackForwardLoadType(load_type_))
document->SetStateForNewFormElements(history_item_->GetDocumentState());
DCHECK(document->GetFrame());
document->GetFrame()->GetClientHintsPreferences().UpdateFrom(
client_hints_preferences_);
Settings* settings = document->GetSettings();
fetcher_->SetImagesEnabled(settings->GetImagesEnabled());
fetcher_->SetAutoLoadImages(settings->GetLoadsImagesAutomatically());
const AtomicString& dns_prefetch_control =
response_.HttpHeaderField(http_names::kXDNSPrefetchControl);
if (!dns_prefetch_control.IsEmpty())
document->ParseDNSPrefetchControlHeader(dns_prefetch_control);
String header_content_language =
response_.HttpHeaderField(http_names::kContentLanguage);
if (!header_content_language.IsEmpty()) {
wtf_size_t comma_index = header_content_language.find(',');
header_content_language.Truncate(comma_index);
header_content_language =
header_content_language.StripWhiteSpace(IsHTMLSpace<UChar>);
if (!header_content_language.IsEmpty())
document->SetContentLanguage(AtomicString(header_content_language));
}
String referrer_policy_header =
response_.HttpHeaderField(http_names::kReferrerPolicy);
if (!referrer_policy_header.IsNull()) {
UseCounter::Count(*document, WebFeature::kReferrerPolicyHeader);
document->ParseAndSetReferrerPolicy(referrer_policy_header);
}
if (response_.IsSignedExchangeInnerResponse())
UseCounter::Count(*document, WebFeature::kSignedExchangeInnerResponse);
GetLocalFrameClient().DidCreateNewDocument();
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: StateStore* ExtensionSystemImpl::Shared::rules_store() {
return rules_store_.get();
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: hook_config (struct t_weechat_plugin *plugin, const char *option,
t_hook_callback_config *callback, void *callback_data)
{
struct t_hook *new_hook;
struct t_hook_config *new_hook_config;
int priority;
const char *ptr_option;
if (!callback)
return NULL;
new_hook = malloc (sizeof (*new_hook));
if (!new_hook)
return NULL;
new_hook_config = malloc (sizeof (*new_hook_config));
if (!new_hook_config)
{
free (new_hook);
return NULL;
}
hook_get_priority_and_name (option, &priority, &ptr_option);
hook_init_data (new_hook, plugin, HOOK_TYPE_CONFIG, priority,
callback_data);
new_hook->hook_data = new_hook_config;
new_hook_config->callback = callback;
new_hook_config->option = strdup ((ptr_option) ? ptr_option :
((option) ? option : ""));
hook_add_to_list (new_hook);
return new_hook;
}
CWE ID: CWE-20
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: long Chapters::Display::Parse(IMkvReader* pReader, long long pos,
long long size) {
const long long stop = pos + size;
while (pos < stop) {
long long id, size;
long status = ParseElementHeader(pReader, pos, stop, id, size);
if (status < 0) // error
return status;
if (size == 0) // weird
continue;
if (id == 0x05) { // ChapterString ID
status = UnserializeString(pReader, pos, size, m_string);
if (status)
return status;
} else if (id == 0x037C) { // ChapterLanguage ID
status = UnserializeString(pReader, pos, size, m_language);
if (status)
return status;
} else if (id == 0x037E) { // ChapterCountry ID
status = UnserializeString(pReader, pos, size, m_country);
if (status)
return status;
}
pos += size;
assert(pos <= stop);
}
assert(pos == stop);
return 0;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: void ewk_frame_redirect_provisional_load(Evas_Object* ewkFrame)
{
evas_object_smart_callback_call(ewkFrame, "redirect,load,provisional", 0);
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void SyncManager::SyncInternal::MaybeSetSyncTabsInNigoriNode(
const ModelTypeSet enabled_types) {
if (initialized_ && enabled_types.Has(syncable::SESSIONS)) {
WriteTransaction trans(FROM_HERE, GetUserShare());
WriteNode node(&trans);
if (node.InitByTagLookup(kNigoriTag) != sync_api::BaseNode::INIT_OK) {
LOG(WARNING) << "Unable to set 'sync_tabs' bit because Nigori node not "
<< "found.";
return;
}
sync_pb::NigoriSpecifics specifics(node.GetNigoriSpecifics());
specifics.set_sync_tabs(true);
node.SetNigoriSpecifics(specifics);
}
}
CWE ID: CWE-362
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void sas_resume_port(struct asd_sas_phy *phy)
{
struct domain_device *dev;
struct asd_sas_port *port = phy->port;
struct sas_ha_struct *sas_ha = phy->ha;
struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt);
if (si->dft->lldd_port_formed)
si->dft->lldd_port_formed(phy);
if (port->suspended)
port->suspended = 0;
else {
/* we only need to handle "link returned" actions once */
return;
}
/* if the port came back:
* 1/ presume every device came back
* 2/ force the next revalidation to check all expander phys
*/
list_for_each_entry(dev, &port->dev_list, dev_list_node) {
int i, rc;
rc = sas_notify_lldd_dev_found(dev);
if (rc) {
sas_unregister_dev(port, dev);
continue;
}
if (dev->dev_type == SAS_EDGE_EXPANDER_DEVICE || dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE) {
dev->ex_dev.ex_change_count = -1;
for (i = 0; i < dev->ex_dev.num_phys; i++) {
struct ex_phy *phy = &dev->ex_dev.ex_phy[i];
phy->phy_change_count = -1;
}
}
}
sas_discover_event(port, DISCE_RESUME);
}
CWE ID:
Target: 1
Example 2:
Code: LayoutTestContentBrowserClient::~LayoutTestContentBrowserClient() {
g_layout_test_browser_client = nullptr;
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void IDNSpoofChecker::SetAllowedUnicodeSet(UErrorCode* status) {
if (U_FAILURE(*status))
return;
const icu::UnicodeSet* recommended_set =
uspoof_getRecommendedUnicodeSet(status);
icu::UnicodeSet allowed_set;
allowed_set.addAll(*recommended_set);
const icu::UnicodeSet* inclusion_set = uspoof_getInclusionUnicodeSet(status);
allowed_set.addAll(*inclusion_set);
allowed_set.remove(0x338u);
allowed_set.remove(0x58au); // Armenian Hyphen
allowed_set.remove(0x2010u);
allowed_set.remove(0x2019u); // Right Single Quotation Mark
allowed_set.remove(0x2027u);
allowed_set.remove(0x30a0u); // Katakana-Hiragana Double Hyphen
allowed_set.remove(0x2bbu); // Modifier Letter Turned Comma
allowed_set.remove(0x2bcu); // Modifier Letter Apostrophe
#if defined(OS_MACOSX)
allowed_set.remove(0x0620u);
allowed_set.remove(0x0F8Cu);
allowed_set.remove(0x0F8Du);
allowed_set.remove(0x0F8Eu);
allowed_set.remove(0x0F8Fu);
#endif
allowed_set.remove(0x01CDu, 0x01DCu); // Latin Ext B; Pinyin
allowed_set.remove(0x1C80u, 0x1C8Fu); // Cyrillic Extended-C
allowed_set.remove(0x1E00u, 0x1E9Bu); // Latin Extended Additional
allowed_set.remove(0x1F00u, 0x1FFFu); // Greek Extended
allowed_set.remove(0xA640u, 0xA69Fu); // Cyrillic Extended-B
allowed_set.remove(0xA720u, 0xA7FFu); // Latin Extended-D
uspoof_setAllowedUnicodeSet(checker_, &allowed_set, status);
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool ID3::removeUnsynchronizationV2_4(bool iTunesHack) {
size_t oldSize = mSize;
size_t offset = 0;
while (mSize >= 10 && offset <= mSize - 10) {
if (!memcmp(&mData[offset], "\0\0\0\0", 4)) {
break;
}
size_t dataSize;
if (iTunesHack) {
dataSize = U32_AT(&mData[offset + 4]);
} else if (!ParseSyncsafeInteger(&mData[offset + 4], &dataSize)) {
return false;
}
if (dataSize > mSize - 10 - offset) {
return false;
}
uint16_t flags = U16_AT(&mData[offset + 8]);
uint16_t prevFlags = flags;
if (flags & 1) {
if (mSize < 14 || mSize - 14 < offset || dataSize < 4) {
return false;
}
memmove(&mData[offset + 10], &mData[offset + 14], mSize - offset - 14);
mSize -= 4;
dataSize -= 4;
flags &= ~1;
}
if ((flags & 2) && (dataSize >= 2)) {
size_t readOffset = offset + 11;
size_t writeOffset = offset + 11;
for (size_t i = 0; i + 1 < dataSize; ++i) {
if (mData[readOffset - 1] == 0xff
&& mData[readOffset] == 0x00) {
++readOffset;
--mSize;
--dataSize;
}
mData[writeOffset++] = mData[readOffset++];
}
if (readOffset <= oldSize) {
memmove(&mData[writeOffset], &mData[readOffset], oldSize - readOffset);
} else {
ALOGE("b/34618607 (%zu %zu %zu %zu)", readOffset, writeOffset, oldSize, mSize);
android_errorWriteLog(0x534e4554, "34618607");
}
}
flags &= ~2;
if (flags != prevFlags || iTunesHack) {
WriteSyncsafeInteger(&mData[offset + 4], dataSize);
mData[offset + 8] = flags >> 8;
mData[offset + 9] = flags & 0xff;
}
offset += 10 + dataSize;
}
memset(&mData[mSize], 0, oldSize - mSize);
return true;
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: void ssl2_clear(SSL *s)
{
SSL2_STATE *s2;
unsigned char *rbuf, *wbuf;
s2 = s->s2;
rbuf = s2->rbuf;
wbuf = s2->wbuf;
memset(s2, 0, sizeof *s2);
s2->rbuf = rbuf;
s2->wbuf = wbuf;
s2->clear_text = 1;
s->packet = s2->rbuf;
s->version = SSL2_VERSION;
s->packet_length = 0;
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: bool InputType::TypeMismatch() const {
return false;
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static ssize_t k90_show_current_profile(struct device *dev,
struct device_attribute *attr,
char *buf)
{
int ret;
struct usb_interface *usbif = to_usb_interface(dev->parent);
struct usb_device *usbdev = interface_to_usbdev(usbif);
int current_profile;
char data[8];
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
K90_REQUEST_STATUS,
USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, 0, 0, data, 8,
USB_CTRL_SET_TIMEOUT);
if (ret < 0) {
dev_warn(dev, "Failed to get K90 initial state (error %d).\n",
ret);
return -EIO;
}
current_profile = data[7];
if (current_profile < 1 || current_profile > 3) {
dev_warn(dev, "Read invalid current profile: %02hhx.\n",
data[7]);
return -EIO;
}
return snprintf(buf, PAGE_SIZE, "%d\n", current_profile);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: int __init ap_module_init(void)
{
int rc, i;
if (ap_domain_index < -1 || ap_domain_index >= AP_DOMAINS) {
pr_warning("%d is not a valid cryptographic domain\n",
ap_domain_index);
return -EINVAL;
}
/* In resume callback we need to know if the user had set the domain.
* If so, we can not just reset it.
*/
if (ap_domain_index >= 0)
user_set_domain = 1;
if (ap_instructions_available() != 0) {
pr_warning("The hardware system does not support "
"AP instructions\n");
return -ENODEV;
}
if (ap_interrupts_available()) {
rc = register_adapter_interrupt(&ap_airq);
ap_airq_flag = (rc == 0);
}
register_reset_call(&ap_reset_call);
/* Create /sys/bus/ap. */
rc = bus_register(&ap_bus_type);
if (rc)
goto out;
for (i = 0; ap_bus_attrs[i]; i++) {
rc = bus_create_file(&ap_bus_type, ap_bus_attrs[i]);
if (rc)
goto out_bus;
}
/* Create /sys/devices/ap. */
ap_root_device = root_device_register("ap");
rc = PTR_RET(ap_root_device);
if (rc)
goto out_bus;
ap_work_queue = create_singlethread_workqueue("kapwork");
if (!ap_work_queue) {
rc = -ENOMEM;
goto out_root;
}
ap_query_configuration();
if (ap_select_domain() == 0)
ap_scan_bus(NULL);
/* Setup the AP bus rescan timer. */
init_timer(&ap_config_timer);
ap_config_timer.function = ap_config_timeout;
ap_config_timer.data = 0;
ap_config_timer.expires = jiffies + ap_config_time * HZ;
add_timer(&ap_config_timer);
/* Setup the high resultion poll timer.
* If we are running under z/VM adjust polling to z/VM polling rate.
*/
if (MACHINE_IS_VM)
poll_timeout = 1500000;
spin_lock_init(&ap_poll_timer_lock);
hrtimer_init(&ap_poll_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
ap_poll_timer.function = ap_poll_timeout;
/* Start the low priority AP bus poll thread. */
if (ap_thread_flag) {
rc = ap_poll_thread_start();
if (rc)
goto out_work;
}
return 0;
out_work:
del_timer_sync(&ap_config_timer);
hrtimer_cancel(&ap_poll_timer);
destroy_workqueue(ap_work_queue);
out_root:
root_device_unregister(ap_root_device);
out_bus:
while (i--)
bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
bus_unregister(&ap_bus_type);
out:
unregister_reset_call(&ap_reset_call);
if (ap_using_interrupts())
unregister_adapter_interrupt(&ap_airq);
return rc;
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: SYSCALL_DEFINE1(setuid, uid_t, uid)
{
struct user_namespace *ns = current_user_ns();
const struct cred *old;
struct cred *new;
int retval;
kuid_t kuid;
kuid = make_kuid(ns, uid);
if (!uid_valid(kuid))
return -EINVAL;
new = prepare_creds();
if (!new)
return -ENOMEM;
old = current_cred();
retval = -EPERM;
if (nsown_capable(CAP_SETUID)) {
new->suid = new->uid = kuid;
if (!uid_eq(kuid, old->uid)) {
retval = set_user(new);
if (retval < 0)
goto error;
}
} else if (!uid_eq(kuid, old->uid) && !uid_eq(kuid, new->suid)) {
goto error;
}
new->fsuid = new->euid = kuid;
retval = security_task_fix_setuid(new, old, LSM_SETID_ID);
if (retval < 0)
goto error;
return commit_creds(new);
error:
abort_creds(new);
return retval;
}
CWE ID: CWE-16
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: GpuChannelHost* RenderThreadImpl::EstablishGpuChannelSync(
content::CauseForGpuLaunch cause_for_gpu_launch) {
if (gpu_channel_.get()) {
if (gpu_channel_->state() == GpuChannelHost::kUnconnected ||
gpu_channel_->state() == GpuChannelHost::kConnected)
return GetGpuChannel();
gpu_channel_ = NULL;
}
int client_id = 0;
IPC::ChannelHandle channel_handle;
base::ProcessHandle renderer_process_for_gpu;
content::GPUInfo gpu_info;
if (!Send(new GpuHostMsg_EstablishGpuChannel(cause_for_gpu_launch,
&client_id,
&channel_handle,
&renderer_process_for_gpu,
&gpu_info)) ||
channel_handle.name.empty() ||
#if defined(OS_POSIX)
channel_handle.socket.fd == -1 ||
#endif
renderer_process_for_gpu == base::kNullProcessHandle) {
gpu_channel_ = NULL;
return NULL;
}
gpu_channel_ = new GpuChannelHost(this, 0, client_id);
gpu_channel_->set_gpu_info(gpu_info);
content::GetContentClient()->SetGpuInfo(gpu_info);
gpu_channel_->Connect(channel_handle, renderer_process_for_gpu);
return GetGpuChannel();
}
CWE ID:
Target: 1
Example 2:
Code: QTextCharFormat IRCView::getFormat(ObjectFormats x)
{
QTextCharFormat f;
f.setObjectType(x);
return f;
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int __init sha512_generic_mod_init(void)
{
return crypto_register_shashes(sha512_algs, ARRAY_SIZE(sha512_algs));
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: display_sigset( const char *msg, sigset_t *mask )
{
int signo;
NameTableIterator next_sig( SigNames );
if( msg ) {
dprintf( D_ALWAYS, msg );
}
while( (signo = next_sig()) != -1 ) {
if( sigismember(mask,signo) ) {
dprintf( D_ALWAYS | D_NOHEADER, "%s ", SigNames.get_name(signo) );
}
}
dprintf( D_ALWAYS | D_NOHEADER, "\n" );
}
CWE ID: CWE-134
Target: 1
Example 2:
Code: void addReplyHumanLongDouble(client *c, long double d) {
robj *o = createStringObjectFromLongDouble(d,1);
addReplyBulk(c,o);
decrRefCount(o);
}
CWE ID: CWE-254
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: virtual status_t allocateBufferWithBackup(
node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms,
buffer_id *buffer, OMX_U32 allottedSize) {
Parcel data, reply;
data.writeInterfaceToken(IOMX::getInterfaceDescriptor());
data.writeInt32((int32_t)node);
data.writeInt32(port_index);
data.writeStrongBinder(IInterface::asBinder(params));
data.writeInt32(allottedSize);
remote()->transact(ALLOC_BUFFER_WITH_BACKUP, data, &reply);
status_t err = reply.readInt32();
if (err != OK) {
*buffer = 0;
return err;
}
*buffer = (buffer_id)reply.readInt32();
return err;
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a,
oggpack_buffer *b,int n,int point){
if(book->used_entries>0){
int step=n/book->dim;
ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim);
int i,j,o;
if (!v) return -1;
for (j=0;j<step;j++){
if(decode_map(book,b,v,point))return -1;
for(i=0,o=j;i<book->dim;i++,o+=step)
a[o]+=v[i];
}
}
return 0;
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: void OutOfProcessInstance::SelectFindResult(bool forward) {
engine_->SelectFindResult(forward);
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static bool ExecuteDeleteToEndOfParagraph(LocalFrame& frame,
Event*,
EditorCommandSource,
const String&) {
frame.GetEditor().DeleteWithDirection(DeleteDirection::kForward,
TextGranularity::kParagraphBoundary,
true, false);
return true;
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool WebRequestPermissions::HideRequest(
const extensions::InfoMap* extension_info_map,
const extensions::WebRequestInfo& request) {
if (request.is_web_view)
return false;
if (request.is_pac_request)
return true;
bool is_request_from_browser = request.render_process_id == -1;
bool is_request_from_webui_renderer = false;
if (!is_request_from_browser) {
if (request.is_web_view)
return false;
if (extension_info_map &&
extension_info_map->process_map().Contains(extensions::kWebStoreAppId,
request.render_process_id)) {
return true;
}
is_request_from_webui_renderer =
content::ChildProcessSecurityPolicy::GetInstance()->HasWebUIBindings(
request.render_process_id);
}
return IsSensitiveURL(request.url, is_request_from_browser ||
is_request_from_webui_renderer) ||
!HasWebRequestScheme(request.url);
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
{
struct ip_mc_list *i;
struct ip_mc_list __rcu **ip;
ASSERT_RTNL();
for (ip = &in_dev->mc_list;
(i = rtnl_dereference(*ip)) != NULL;
ip = &i->next_rcu) {
if (i->multiaddr == addr) {
if (--i->users == 0) {
*ip = i->next_rcu;
in_dev->mc_count--;
igmp_group_dropped(i);
ip_mc_clear_src(i);
if (!in_dev->dead)
ip_rt_multicast_event(in_dev);
ip_ma_put(i);
return;
}
break;
}
}
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int msg_parse_fetch(struct ImapHeader *h, char *s)
{
char tmp[SHORT_STRING];
char *ptmp = NULL;
if (!s)
return -1;
while (*s)
{
SKIPWS(s);
if (mutt_str_strncasecmp("FLAGS", s, 5) == 0)
{
s = msg_parse_flags(h, s);
if (!s)
return -1;
}
else if (mutt_str_strncasecmp("UID", s, 3) == 0)
{
s += 3;
SKIPWS(s);
if (mutt_str_atoui(s, &h->data->uid) < 0)
return -1;
s = imap_next_word(s);
}
else if (mutt_str_strncasecmp("INTERNALDATE", s, 12) == 0)
{
s += 12;
SKIPWS(s);
if (*s != '\"')
{
mutt_debug(1, "bogus INTERNALDATE entry: %s\n", s);
return -1;
}
s++;
ptmp = tmp;
while (*s && *s != '\"')
*ptmp++ = *s++;
if (*s != '\"')
return -1;
s++; /* skip past the trailing " */
*ptmp = '\0';
h->received = mutt_date_parse_imap(tmp);
}
else if (mutt_str_strncasecmp("RFC822.SIZE", s, 11) == 0)
{
s += 11;
SKIPWS(s);
ptmp = tmp;
while (isdigit((unsigned char) *s))
*ptmp++ = *s++;
*ptmp = '\0';
if (mutt_str_atol(tmp, &h->content_length) < 0)
return -1;
}
else if ((mutt_str_strncasecmp("BODY", s, 4) == 0) ||
(mutt_str_strncasecmp("RFC822.HEADER", s, 13) == 0))
{
/* handle above, in msg_fetch_header */
return -2;
}
else if (*s == ')')
s++; /* end of request */
else if (*s)
{
/* got something i don't understand */
imap_error("msg_parse_fetch", s);
return -1;
}
}
return 0;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: OMX_ERRORTYPE SimpleSoftOMXComponent::useBuffer(
OMX_BUFFERHEADERTYPE **header,
OMX_U32 portIndex,
OMX_PTR appPrivate,
OMX_U32 size,
OMX_U8 *ptr) {
Mutex::Autolock autoLock(mLock);
CHECK_LT(portIndex, mPorts.size());
*header = new OMX_BUFFERHEADERTYPE;
(*header)->nSize = sizeof(OMX_BUFFERHEADERTYPE);
(*header)->nVersion.s.nVersionMajor = 1;
(*header)->nVersion.s.nVersionMinor = 0;
(*header)->nVersion.s.nRevision = 0;
(*header)->nVersion.s.nStep = 0;
(*header)->pBuffer = ptr;
(*header)->nAllocLen = size;
(*header)->nFilledLen = 0;
(*header)->nOffset = 0;
(*header)->pAppPrivate = appPrivate;
(*header)->pPlatformPrivate = NULL;
(*header)->pInputPortPrivate = NULL;
(*header)->pOutputPortPrivate = NULL;
(*header)->hMarkTargetComponent = NULL;
(*header)->pMarkData = NULL;
(*header)->nTickCount = 0;
(*header)->nTimeStamp = 0;
(*header)->nFlags = 0;
(*header)->nOutputPortIndex = portIndex;
(*header)->nInputPortIndex = portIndex;
PortInfo *port = &mPorts.editItemAt(portIndex);
CHECK(mState == OMX_StateLoaded || port->mDef.bEnabled == OMX_FALSE);
CHECK_LT(port->mBuffers.size(), port->mDef.nBufferCountActual);
port->mBuffers.push();
BufferInfo *buffer =
&port->mBuffers.editItemAt(port->mBuffers.size() - 1);
buffer->mHeader = *header;
buffer->mOwnedByUs = false;
if (port->mBuffers.size() == port->mDef.nBufferCountActual) {
port->mDef.bPopulated = OMX_TRUE;
checkTransitions();
}
return OMX_ErrorNone;
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: void WebUIBidiCheckerBrowserTestRTL::SetUpOnMainThread() {
WebUIBidiCheckerBrowserTest::SetUpOnMainThread();
FilePath pak_path;
app_locale_ = base::i18n::GetConfiguredLocale();
ASSERT_TRUE(PathService::Get(base::FILE_MODULE, &pak_path));
pak_path = pak_path.DirName();
pak_path = pak_path.AppendASCII("pseudo_locales");
pak_path = pak_path.AppendASCII("fake-bidi");
pak_path = pak_path.ReplaceExtension(FILE_PATH_LITERAL("pak"));
ResourceBundle::GetSharedInstance().OverrideLocalePakForTest(pak_path);
ResourceBundle::GetSharedInstance().ReloadLocaleResources("he");
base::i18n::SetICUDefaultLocale("he");
#if defined(OS_POSIX) && defined(TOOLKIT_GTK)
gtk_widget_set_default_direction(GTK_TEXT_DIR_RTL);
#endif
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
struct compat_video_spu_palette __user *up)
{
struct video_spu_palette __user *up_native;
compat_uptr_t palp;
int length, err;
err = get_user(palp, &up->palette);
err |= get_user(length, &up->length);
up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
err = put_user(compat_ptr(palp), &up_native->palette);
err |= put_user(length, &up_native->length);
if (err)
return -EFAULT;
err = sys_ioctl(fd, cmd, (unsigned long) up_native);
return err;
}
CWE ID: CWE-200
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int store_icy(URLContext *h, int size)
{
HTTPContext *s = h->priv_data;
/* until next metadata packet */
int remaining = s->icy_metaint - s->icy_data_read;
if (remaining < 0)
return AVERROR_INVALIDDATA;
if (!remaining) {
/* The metadata packet is variable sized. It has a 1 byte header
* which sets the length of the packet (divided by 16). If it's 0,
* the metadata doesn't change. After the packet, icy_metaint bytes
* of normal data follows. */
uint8_t ch;
int len = http_read_stream_all(h, &ch, 1);
if (len < 0)
return len;
if (ch > 0) {
char data[255 * 16 + 1];
int ret;
len = ch * 16;
ret = http_read_stream_all(h, data, len);
if (ret < 0)
return ret;
data[len + 1] = 0;
if ((ret = av_opt_set(s, "icy_metadata_packet", data, 0)) < 0)
return ret;
update_metadata(s, data);
}
s->icy_data_read = 0;
remaining = s->icy_metaint;
}
return FFMIN(size, remaining);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static inline int ovl_check_sticky(struct dentry *dentry)
{
struct inode *dir = ovl_dentry_real(dentry->d_parent)->d_inode;
struct inode *inode = ovl_dentry_real(dentry)->d_inode;
if (check_sticky(dir, inode))
return -EPERM;
return 0;
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: JSValue JSWebKitMutationObserver::observe(ExecState* exec)
{
if (exec->argumentCount() < 2)
return throwError(exec, createTypeError(exec, "Not enough arguments"));
Node* target = toNode(exec->argument(0));
if (exec->hadException())
return jsUndefined();
JSObject* optionsObject = exec->argument(1).getObject();
if (!optionsObject) {
setDOMException(exec, TYPE_MISMATCH_ERR);
return jsUndefined();
}
JSDictionary dictionary(exec, optionsObject);
MutationObserverOptions options = 0;
for (unsigned i = 0; i < numBooleanOptions; ++i) {
bool option = false;
if (!dictionary.tryGetProperty(booleanOptions[i].name, option))
return jsUndefined();
if (option)
options |= booleanOptions[i].value;
}
HashSet<AtomicString> attributeFilter;
if (!dictionary.tryGetProperty("attributeFilter", attributeFilter))
return jsUndefined();
if (!attributeFilter.isEmpty())
options |= WebKitMutationObserver::AttributeFilter;
ExceptionCode ec = 0;
impl()->observe(target, options, attributeFilter, ec);
if (ec)
setDOMException(exec, ec);
return jsUndefined();
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool AXNodeObject::isRequired() const {
Node* n = this->getNode();
if (n && (n->isElementNode() && toElement(n)->isFormControlElement()) &&
hasAttribute(requiredAttr))
return toHTMLFormControlElement(n)->isRequired();
if (equalIgnoringCase(getAttribute(aria_requiredAttr), "true"))
return true;
return false;
}
CWE ID: CWE-254
Target: 1
Example 2:
Code: sync_pb::EntitySpecifics DefaultBookmarkSpecifics() {
sync_pb::EntitySpecifics result;
AddDefaultFieldValue(syncable::BOOKMARKS, &result);
return result;
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static inline __kprobes int notify_page_fault(struct pt_regs *regs)
{
int ret = 0;
/* kprobe_running() needs smp_processor_id() */
if (kprobes_built_in() && !user_mode(regs)) {
preempt_disable();
if (kprobe_running() && kprobe_fault_handler(regs, 0))
ret = 1;
preempt_enable();
}
return ret;
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void comps_objmrtree_unite(COMPS_ObjMRTree *rt1, COMPS_ObjMRTree *rt2) {
COMPS_HSList *tmplist, *tmp_subnodes;
COMPS_HSListItem *it;
COMPS_ObjListIt *it2;
struct Pair {
COMPS_HSList * subnodes;
char * key;
char added;
} *pair, *parent_pair;
pair = malloc(sizeof(struct Pair));
pair->subnodes = rt2->subnodes;
pair->key = NULL;
tmplist = comps_hslist_create();
comps_hslist_init(tmplist, NULL, NULL, &free);
comps_hslist_append(tmplist, pair, 0);
while (tmplist->first != NULL) {
it = tmplist->first;
comps_hslist_remove(tmplist, tmplist->first);
tmp_subnodes = ((struct Pair*)it->data)->subnodes;
parent_pair = (struct Pair*) it->data;
free(it);
pair->added = 0;
for (it = tmp_subnodes->first; it != NULL; it=it->next) {
pair = malloc(sizeof(struct Pair));
pair->subnodes = ((COMPS_ObjMRTreeData*)it->data)->subnodes;
if (parent_pair->key != NULL) {
pair->key =
malloc(sizeof(char)
* (strlen(((COMPS_ObjMRTreeData*)it->data)->key)
+ strlen(parent_pair->key) + 1));
memcpy(pair->key, parent_pair->key,
sizeof(char) * strlen(parent_pair->key));
memcpy(pair->key+strlen(parent_pair->key),
((COMPS_ObjMRTreeData*)it->data)->key,
sizeof(char)*(strlen(((COMPS_ObjMRTreeData*)it->data)->key)+1));
} else {
pair->key = malloc(sizeof(char)*
(strlen(((COMPS_ObjMRTreeData*)it->data)->key) +
1));
memcpy(pair->key, ((COMPS_ObjMRTreeData*)it->data)->key,
sizeof(char)*(strlen(((COMPS_ObjMRTreeData*)it->data)->key)+1));
}
/* current node has data */
if (((COMPS_ObjMRTreeData*)it->data)->data->first != NULL) {
for (it2 = ((COMPS_ObjMRTreeData*)it->data)->data->first;
it2 != NULL; it2 = it2->next) {
comps_objmrtree_set(rt1, pair->key, it2->comps_obj);
}
if (((COMPS_ObjMRTreeData*)it->data)->subnodes->first) {
comps_hslist_append(tmplist, pair, 0);
} else {
free(pair->key);
free(pair);
}
/* current node hasn't data */
} else {
if (((COMPS_ObjMRTreeData*)it->data)->subnodes->first) {
comps_hslist_append(tmplist, pair, 0);
} else {
free(pair->key);
free(pair);
}
}
}
free(parent_pair->key);
free(parent_pair);
}
comps_hslist_destroy(&tmplist);
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: bool WebContentsImpl::ShouldPreserveAbortedURLs() {
if (!delegate_)
return false;
return delegate_->ShouldPreserveAbortedURLs(this);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void idAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
{
TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMGetter");
TestObjectPythonV8Internal::idAttributeGetter(info);
TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: status_t SampleTable::setSyncSampleParams(off64_t data_offset, size_t data_size) {
if (mSyncSampleOffset >= 0 || data_size < 8) {
return ERROR_MALFORMED;
}
mSyncSampleOffset = data_offset;
uint8_t header[8];
if (mDataSource->readAt(
data_offset, header, sizeof(header)) < (ssize_t)sizeof(header)) {
return ERROR_IO;
}
if (U32_AT(header) != 0) {
return ERROR_MALFORMED;
}
mNumSyncSamples = U32_AT(&header[4]);
if (mNumSyncSamples < 2) {
ALOGV("Table of sync samples is empty or has only a single entry!");
}
mSyncSamples = new uint32_t[mNumSyncSamples];
size_t size = mNumSyncSamples * sizeof(uint32_t);
if (mDataSource->readAt(mSyncSampleOffset + 8, mSyncSamples, size)
!= (ssize_t)size) {
return ERROR_IO;
}
for (size_t i = 0; i < mNumSyncSamples; ++i) {
mSyncSamples[i] = ntohl(mSyncSamples[i]) - 1;
}
return OK;
}
CWE ID: CWE-189
Target: 1
Example 2:
Code: static void pmac_ide_writel (void *opaque,
hwaddr addr, uint32_t val)
{
MACIOIDEState *d = opaque;
addr = (addr & 0xFFF) >> 4;
val = bswap32(val);
if (addr == 0) {
ide_data_writel(&d->bus, 0, val);
}
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
{
struct shash_instance *inst;
struct crypto_alg *alg;
struct shash_alg *salg;
int err;
int ds;
int ss;
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH);
if (err)
return err;
salg = shash_attr_alg(tb[1], 0, 0);
if (IS_ERR(salg))
return PTR_ERR(salg);
err = -EINVAL;
ds = salg->digestsize;
ss = salg->statesize;
alg = &salg->base;
if (ds > alg->cra_blocksize ||
ss < alg->cra_blocksize)
goto out_put_alg;
inst = shash_alloc_instance("hmac", alg);
err = PTR_ERR(inst);
if (IS_ERR(inst))
goto out_put_alg;
err = crypto_init_shash_spawn(shash_instance_ctx(inst), salg,
shash_crypto_instance(inst));
if (err)
goto out_free_inst;
inst->alg.base.cra_priority = alg->cra_priority;
inst->alg.base.cra_blocksize = alg->cra_blocksize;
inst->alg.base.cra_alignmask = alg->cra_alignmask;
ss = ALIGN(ss, alg->cra_alignmask + 1);
inst->alg.digestsize = ds;
inst->alg.statesize = ss;
inst->alg.base.cra_ctxsize = sizeof(struct hmac_ctx) +
ALIGN(ss * 2, crypto_tfm_ctx_alignment());
inst->alg.base.cra_init = hmac_init_tfm;
inst->alg.base.cra_exit = hmac_exit_tfm;
inst->alg.init = hmac_init;
inst->alg.update = hmac_update;
inst->alg.final = hmac_final;
inst->alg.finup = hmac_finup;
inst->alg.export = hmac_export;
inst->alg.import = hmac_import;
inst->alg.setkey = hmac_setkey;
err = shash_register_instance(tmpl, inst);
if (err) {
out_free_inst:
shash_free_instance(shash_crypto_instance(inst));
}
out_put_alg:
crypto_mod_put(alg);
return err;
}
CWE ID: CWE-787
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int venc_dev::venc_input_log_buffers(OMX_BUFFERHEADERTYPE *pbuffer, int fd, int plane_offset) {
if (!m_debug.infile) {
int size = snprintf(m_debug.infile_name, PROPERTY_VALUE_MAX, "%s/input_enc_%lu_%lu_%p.yuv",
m_debug.log_loc, m_sVenc_cfg.input_width, m_sVenc_cfg.input_height, this);
if ((size > PROPERTY_VALUE_MAX) && (size < 0)) {
DEBUG_PRINT_ERROR("Failed to open output file: %s for logging size:%d",
m_debug.infile_name, size);
}
m_debug.infile = fopen (m_debug.infile_name, "ab");
if (!m_debug.infile) {
DEBUG_PRINT_HIGH("Failed to open input file: %s for logging", m_debug.infile_name);
m_debug.infile_name[0] = '\0';
return -1;
}
}
if (m_debug.infile && pbuffer && pbuffer->nFilledLen) {
unsigned long i, msize;
int stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, m_sVenc_cfg.input_width);
int scanlines = VENUS_Y_SCANLINES(COLOR_FMT_NV12, m_sVenc_cfg.input_height);
unsigned char *pvirt,*ptemp;
char *temp = (char *)pbuffer->pBuffer;
msize = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, m_sVenc_cfg.input_width, m_sVenc_cfg.input_height);
if (metadatamode == 1) {
pvirt= (unsigned char *)mmap(NULL, msize, PROT_READ|PROT_WRITE,MAP_SHARED, fd, plane_offset);
if (pvirt) {
ptemp = pvirt;
for (i = 0; i < m_sVenc_cfg.input_height; i++) {
fwrite(ptemp, m_sVenc_cfg.input_width, 1, m_debug.infile);
ptemp += stride;
}
ptemp = pvirt + (stride * scanlines);
for(i = 0; i < m_sVenc_cfg.input_height/2; i++) {
fwrite(ptemp, m_sVenc_cfg.input_width, 1, m_debug.infile);
ptemp += stride;
}
munmap(pvirt, msize);
} else if (pvirt == MAP_FAILED) {
DEBUG_PRINT_ERROR("%s mmap failed", __func__);
return -1;
}
} else {
for (i = 0; i < m_sVenc_cfg.input_height; i++) {
fwrite(temp, m_sVenc_cfg.input_width, 1, m_debug.infile);
temp += stride;
}
temp = (char *)pbuffer->pBuffer + (stride * scanlines);
for(i = 0; i < m_sVenc_cfg.input_height/2; i++) {
fwrite(temp, m_sVenc_cfg.input_width, 1, m_debug.infile);
temp += stride;
}
}
}
return 0;
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: ecryptfs_write_header_metadata(char *virt,
struct ecryptfs_crypt_stat *crypt_stat,
size_t *written)
{
u32 header_extent_size;
u16 num_header_extents_at_front;
header_extent_size = (u32)crypt_stat->extent_size;
num_header_extents_at_front =
(u16)(crypt_stat->metadata_size / crypt_stat->extent_size);
put_unaligned_be32(header_extent_size, virt);
virt += 4;
put_unaligned_be16(num_header_extents_at_front, virt);
(*written) = 6;
}
CWE ID: CWE-189
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: base::string16 GoogleChromeDistribution::GetPublisherName() {
const base::string16& publisher_name =
installer::GetLocalizedString(IDS_ABOUT_VERSION_COMPANY_NAME_BASE);
return publisher_name;
}
CWE ID: CWE-20
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void Encoder::EncodeFrameInternal(const VideoSource &video,
const unsigned long frame_flags) {
vpx_codec_err_t res;
const vpx_image_t *img = video.img();
if (!encoder_.priv) {
cfg_.g_w = img->d_w;
cfg_.g_h = img->d_h;
cfg_.g_timebase = video.timebase();
cfg_.rc_twopass_stats_in = stats_->buf();
res = vpx_codec_enc_init(&encoder_, CodecInterface(), &cfg_,
init_flags_);
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
cfg_.g_w = img->d_w;
cfg_.g_h = img->d_h;
res = vpx_codec_enc_config_set(&encoder_, &cfg_);
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
REGISTER_STATE_CHECK(
res = vpx_codec_encode(&encoder_,
video.img(), video.pts(), video.duration(),
frame_flags, deadline_));
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: void WebGL2RenderingContextBase::endTransformFeedback() {
if (isContextLost())
return;
ContextGL()->EndTransformFeedback();
if (current_program_)
current_program_->DecreaseActiveTransformFeedbackCount();
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Browser::ShowHistoryTab() {
UserMetrics::RecordAction(UserMetricsAction("ShowHistory"), profile_);
ShowSingletonTab(GURL(chrome::kChromeUIHistoryURL));
}
CWE ID: CWE-20
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: kg_unseal_iov(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
int *conf_state,
gss_qop_t *qop_state,
gss_iov_buffer_desc *iov,
int iov_count,
int toktype)
{
krb5_gss_ctx_id_rec *ctx;
OM_uint32 code;
ctx = (krb5_gss_ctx_id_rec *)context_handle;
if (!ctx->established) {
*minor_status = KG_CTX_INCOMPLETE;
return GSS_S_NO_CONTEXT;
}
if (kg_locate_iov(iov, iov_count, GSS_IOV_BUFFER_TYPE_STREAM) != NULL) {
code = kg_unseal_stream_iov(minor_status, ctx, conf_state, qop_state,
iov, iov_count, toktype);
} else {
code = kg_unseal_iov_token(minor_status, ctx, conf_state, qop_state,
iov, iov_count, toktype);
}
return code;
}
CWE ID:
Target: 1
Example 2:
Code: static int fsmReadLink(const char *path,
char *buf, size_t bufsize, size_t *linklen)
{
ssize_t llen = readlink(path, buf, bufsize - 1);
int rc = RPMERR_READLINK_FAILED;
if (_fsm_debug) {
rpmlog(RPMLOG_DEBUG, " %8s (%s, buf, %d) %s\n",
__func__,
path, (int)(bufsize -1), (llen < 0 ? strerror(errno) : ""));
}
if (llen >= 0) {
buf[llen] = '\0';
rc = 0;
*linklen = llen;
}
return rc;
}
CWE ID: CWE-59
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: PepperDeviceEnumerationHostHelperTest()
: ppapi_host_(&sink_, ppapi::PpapiPermissions()),
resource_host_(&ppapi_host_, 12345, 67890),
device_enumeration_(&resource_host_,
&delegate_,
PP_DEVICETYPE_DEV_AUDIOCAPTURE,
GURL("http://example.com")) {}
CWE ID: CWE-399
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: ExprResolveBoolean(struct xkb_context *ctx, const ExprDef *expr,
bool *set_rtrn)
{
bool ok = false;
const char *ident;
switch (expr->expr.op) {
case EXPR_VALUE:
if (expr->expr.value_type != EXPR_TYPE_BOOLEAN) {
log_err(ctx,
"Found constant of type %s where boolean was expected\n",
expr_value_type_to_string(expr->expr.value_type));
return false;
}
*set_rtrn = expr->boolean.set;
return true;
case EXPR_IDENT:
ident = xkb_atom_text(ctx, expr->ident.ident);
if (ident) {
if (istreq(ident, "true") ||
istreq(ident, "yes") ||
istreq(ident, "on")) {
*set_rtrn = true;
return true;
}
else if (istreq(ident, "false") ||
istreq(ident, "no") ||
istreq(ident, "off")) {
*set_rtrn = false;
return true;
}
}
log_err(ctx, "Identifier \"%s\" of type boolean is unknown\n", ident);
return false;
case EXPR_FIELD_REF:
log_err(ctx, "Default \"%s.%s\" of type boolean is unknown\n",
xkb_atom_text(ctx, expr->field_ref.element),
xkb_atom_text(ctx, expr->field_ref.field));
return false;
case EXPR_INVERT:
case EXPR_NOT:
ok = ExprResolveBoolean(ctx, expr, set_rtrn);
if (ok)
*set_rtrn = !*set_rtrn;
return ok;
case EXPR_ADD:
case EXPR_SUBTRACT:
case EXPR_MULTIPLY:
case EXPR_DIVIDE:
case EXPR_ASSIGN:
case EXPR_NEGATE:
case EXPR_UNARY_PLUS:
log_err(ctx, "%s of boolean values not permitted\n",
expr_op_type_to_string(expr->expr.op));
break;
default:
log_wsgo(ctx, "Unknown operator %d in ResolveBoolean\n",
expr->expr.op);
break;
}
return false;
}
CWE ID: CWE-400
Target: 1
Example 2:
Code: void RenderFrameHostImpl::OnCreateChildFrame(
int new_routing_id,
service_manager::mojom::InterfaceProviderRequest
new_interface_provider_provider_request,
blink::WebTreeScopeType scope,
const std::string& frame_name,
const std::string& frame_unique_name,
bool is_created_by_script,
const base::UnguessableToken& devtools_frame_token,
const blink::FramePolicy& frame_policy,
const FrameOwnerProperties& frame_owner_properties) {
DCHECK(!frame_unique_name.empty());
DCHECK(new_interface_provider_provider_request.is_pending());
if (!is_active() || !IsCurrent() || !render_frame_created_)
return;
frame_tree_->AddFrame(frame_tree_node_, GetProcess()->GetID(), new_routing_id,
std::move(new_interface_provider_provider_request),
scope, frame_name, frame_unique_name,
is_created_by_script, devtools_frame_token,
frame_policy, frame_owner_properties);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: SVGDocumentExtensions* Document::accessSVGExtensions()
{
if (!m_svgExtensions)
m_svgExtensions = adoptPtr(new SVGDocumentExtensions(this));
return m_svgExtensions.get();
}
CWE ID: CWE-20
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void utee_param_to_param(struct tee_ta_param *p, struct utee_params *up)
{
size_t n;
uint32_t types = up->types;
p->types = types;
for (n = 0; n < TEE_NUM_PARAMS; n++) {
uintptr_t a = up->vals[n * 2];
size_t b = up->vals[n * 2 + 1];
switch (TEE_PARAM_TYPE_GET(types, n)) {
case TEE_PARAM_TYPE_MEMREF_INPUT:
case TEE_PARAM_TYPE_MEMREF_OUTPUT:
case TEE_PARAM_TYPE_MEMREF_INOUT:
p->u[n].mem.mobj = &mobj_virt;
p->u[n].mem.offs = a;
p->u[n].mem.size = b;
break;
case TEE_PARAM_TYPE_VALUE_INPUT:
case TEE_PARAM_TYPE_VALUE_INOUT:
p->u[n].val.a = a;
p->u[n].val.b = b;
break;
default:
memset(&p->u[n], 0, sizeof(p->u[n]));
break;
}
}
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static inline sector_t logical_to_blk(struct inode *inode, loff_t offset)
{
return (offset >> inode->i_blkbits);
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static long media_device_enum_entities(struct media_device *mdev,
struct media_entity_desc __user *uent)
{
struct media_entity *ent;
struct media_entity_desc u_ent;
if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
return -EFAULT;
ent = find_entity(mdev, u_ent.id);
if (ent == NULL)
return -EINVAL;
u_ent.id = ent->id;
if (ent->name) {
strncpy(u_ent.name, ent->name, sizeof(u_ent.name));
u_ent.name[sizeof(u_ent.name) - 1] = '\0';
} else {
memset(u_ent.name, 0, sizeof(u_ent.name));
}
u_ent.type = ent->type;
u_ent.revision = ent->revision;
u_ent.flags = ent->flags;
u_ent.group_id = ent->group_id;
u_ent.pads = ent->num_pads;
u_ent.links = ent->num_links - ent->num_backlinks;
memcpy(&u_ent.raw, &ent->info, sizeof(ent->info));
if (copy_to_user(uent, &u_ent, sizeof(u_ent)))
return -EFAULT;
return 0;
}
CWE ID: CWE-200
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void CoordinatorImpl::PerformNextQueuedGlobalMemoryDump() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
QueuedRequest* request = GetCurrentRequest();
if (request == nullptr)
return;
std::vector<QueuedRequestDispatcher::ClientInfo> clients;
for (const auto& kv : clients_) {
auto client_identity = kv.second->identity;
const base::ProcessId pid = GetProcessIdForClientIdentity(client_identity);
if (pid == base::kNullProcessId) {
VLOG(1) << "Couldn't find a PID for client \"" << client_identity.name()
<< "." << client_identity.instance() << "\"";
continue;
}
clients.emplace_back(kv.second->client.get(), pid, kv.second->process_type);
}
auto chrome_callback = base::Bind(
&CoordinatorImpl::OnChromeMemoryDumpResponse, base::Unretained(this));
auto os_callback = base::Bind(&CoordinatorImpl::OnOSMemoryDumpResponse,
base::Unretained(this), request->dump_guid);
QueuedRequestDispatcher::SetUpAndDispatch(request, clients, chrome_callback,
os_callback);
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&CoordinatorImpl::OnQueuedRequestTimedOut,
base::Unretained(this), request->dump_guid),
client_process_timeout_);
if (request->args.add_to_trace && heap_profiler_) {
request->heap_dump_in_progress = true;
bool strip_path_from_mapped_files =
base::trace_event::TraceLog::GetInstance()
->GetCurrentTraceConfig()
.IsArgumentFilterEnabled();
heap_profiler_->DumpProcessesForTracing(
strip_path_from_mapped_files,
base::BindRepeating(&CoordinatorImpl::OnDumpProcessesForTracing,
base::Unretained(this), request->dump_guid));
base::SequencedTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&CoordinatorImpl::OnHeapDumpTimeOut,
base::Unretained(this), request->dump_guid),
kHeapDumpTimeout);
}
FinalizeGlobalMemoryDumpIfAllManagersReplied();
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: static inline int SlabFrozen(struct page *page)
{
return page->flags & FROZEN;
}
CWE ID: CWE-189
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: bool WebsiteSettingsPopupAndroid::RegisterWebsiteSettingsPopupAndroid(
JNIEnv* env) {
return RegisterNativesImpl(env);
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{
struct ipv6_txoptions opt_space;
DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name);
struct in6_addr *daddr, *final_p, final;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct raw6_sock *rp = raw6_sk(sk);
struct ipv6_txoptions *opt = NULL;
struct ip6_flowlabel *flowlabel = NULL;
struct dst_entry *dst = NULL;
struct raw6_frag_vec rfv;
struct flowi6 fl6;
int addr_len = msg->msg_namelen;
int hlimit = -1;
int tclass = -1;
int dontfrag = -1;
u16 proto;
int err;
/* Rough check on arithmetic overflow,
better check is made in ip6_append_data().
*/
if (len > INT_MAX)
return -EMSGSIZE;
/* Mirror BSD error message compatibility */
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
/*
* Get and verify the address.
*/
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_mark = sk->sk_mark;
if (sin6) {
if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;
if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
return -EAFNOSUPPORT;
/* port is the proto value [0..255] carried in nexthdr */
proto = ntohs(sin6->sin6_port);
if (!proto)
proto = inet->inet_num;
else if (proto != inet->inet_num)
return -EINVAL;
if (proto > 255)
return -EINVAL;
daddr = &sin6->sin6_addr;
if (np->sndflow) {
fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (!flowlabel)
return -EINVAL;
}
}
/*
* Otherwise it will be difficult to maintain
* sk->sk_dst_cache.
*/
if (sk->sk_state == TCP_ESTABLISHED &&
ipv6_addr_equal(daddr, &sk->sk_v6_daddr))
daddr = &sk->sk_v6_daddr;
if (addr_len >= sizeof(struct sockaddr_in6) &&
sin6->sin6_scope_id &&
__ipv6_addr_needs_scope_id(__ipv6_addr_type(daddr)))
fl6.flowi6_oif = sin6->sin6_scope_id;
} else {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
proto = inet->inet_num;
daddr = &sk->sk_v6_daddr;
fl6.flowlabel = np->flow_label;
}
if (fl6.flowi6_oif == 0)
fl6.flowi6_oif = sk->sk_bound_dev_if;
if (msg->msg_controllen) {
opt = &opt_space;
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt,
&hlimit, &tclass, &dontfrag);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
}
if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (!flowlabel)
return -EINVAL;
}
if (!(opt->opt_nflen|opt->opt_flen))
opt = NULL;
}
if (!opt)
opt = np->opt;
if (flowlabel)
opt = fl6_merge_options(&opt_space, flowlabel, opt);
opt = ipv6_fixup_options(&opt_space, opt);
fl6.flowi6_proto = proto;
rfv.msg = msg;
rfv.hlen = 0;
err = rawv6_probe_proto_opt(&rfv, &fl6);
if (err)
goto out;
if (!ipv6_addr_any(daddr))
fl6.daddr = *daddr;
else
fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
fl6.saddr = np->saddr;
final_p = fl6_update_dst(&fl6, opt, &final);
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
else if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->ucast_oif;
security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
if (inet->hdrincl)
fl6.flowi6_flags |= FLOWI_FLAG_KNOWN_NH;
dst = ip6_dst_lookup_flow(sk, &fl6, final_p);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto out;
}
if (hlimit < 0)
hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
if (tclass < 0)
tclass = np->tclass;
if (dontfrag < 0)
dontfrag = np->dontfrag;
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
back_from_confirm:
if (inet->hdrincl)
err = rawv6_send_hdrinc(sk, msg, len, &fl6, &dst, msg->msg_flags);
else {
lock_sock(sk);
err = ip6_append_data(sk, raw6_getfrag, &rfv,
len, 0, hlimit, tclass, opt, &fl6, (struct rt6_info *)dst,
msg->msg_flags, dontfrag);
if (err)
ip6_flush_pending_frames(sk);
else if (!(msg->msg_flags & MSG_MORE))
err = rawv6_push_pending_frames(sk, &fl6, rp);
release_sock(sk);
}
done:
dst_release(dst);
out:
fl6_sock_release(flowlabel);
return err < 0 ? err : len;
do_confirm:
dst_confirm(dst);
if (!(msg->msg_flags & MSG_PROBE) || len)
goto back_from_confirm;
err = 0;
goto done;
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: static void burl_normalize_qs20_to_plus_fix (buffer *b, int i)
{
char * const s = b->ptr;
const int used = (int)buffer_string_length(b);
int j = i;
for (; i < used; ++i, ++j) {
s[j] = s[i];
if (s[i] == '%' && s[i+1] == '2' && s[i+2] == '0') {
s[j] = '+';
i+=2;
}
}
buffer_string_set_length(b, j);
}
CWE ID: CWE-190
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: interlace_row(png_bytep buffer, png_const_bytep imageRow,
unsigned int pixel_size, png_uint_32 w, int pass)
{
png_uint_32 xin, xout, xstep;
/* Note that this can, trivially, be optimized to a memcpy on pass 7, the
* code is presented this way to make it easier to understand. In practice
* consult the code in the libpng source to see other ways of doing this.
*/
xin = PNG_PASS_START_COL(pass);
xstep = 1U<<PNG_PASS_COL_SHIFT(pass);
for (xout=0; xin<w; xin+=xstep)
{
pixel_copy(buffer, xout, imageRow, xin, pixel_size);
++xout;
}
}
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: BGD_DECLARE(void *) gdImageWebpPtrEx (gdImagePtr im, int *size, int quality)
{
void *rv;
gdIOCtx *out = gdNewDynamicCtx(2048, NULL);
if (out == NULL) {
return NULL;
}
gdImageWebpCtx(im, out, quality);
rv = gdDPExtractData(out, size);
out->gd_free(out);
return rv;
}
CWE ID: CWE-415
Target: 1
Example 2:
Code: void RenderFrameImpl::AllowBindings(int32_t enabled_bindings_flags) {
if (IsMainFrame() && (enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
!(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
new WebUIExtensionData(render_view_);
}
enabled_bindings_ |= enabled_bindings_flags;
RenderProcess::current()->AddBindings(enabled_bindings_flags);
}
CWE ID: CWE-416
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void tipc_sk_timeout(unsigned long data)
{
struct tipc_sock *tsk = (struct tipc_sock *)data;
struct sock *sk = &tsk->sk;
struct sk_buff *skb = NULL;
u32 peer_port, peer_node;
u32 own_node = tsk_own_node(tsk);
bh_lock_sock(sk);
if (!tsk->connected) {
bh_unlock_sock(sk);
goto exit;
}
peer_port = tsk_peer_port(tsk);
peer_node = tsk_peer_node(tsk);
if (tsk->probing_state == TIPC_CONN_PROBING) {
if (!sock_owned_by_user(sk)) {
sk->sk_socket->state = SS_DISCONNECTING;
tsk->connected = 0;
tipc_node_remove_conn(sock_net(sk), tsk_peer_node(tsk),
tsk_peer_port(tsk));
sk->sk_state_change(sk);
} else {
/* Try again later */
sk_reset_timer(sk, &sk->sk_timer, (HZ / 20));
}
} else {
skb = tipc_msg_create(CONN_MANAGER, CONN_PROBE,
INT_H_SIZE, 0, peer_node, own_node,
peer_port, tsk->portid, TIPC_OK);
tsk->probing_state = TIPC_CONN_PROBING;
sk_reset_timer(sk, &sk->sk_timer, jiffies + tsk->probing_intv);
}
bh_unlock_sock(sk);
if (skb)
tipc_node_xmit_skb(sock_net(sk), skb, peer_node, tsk->portid);
exit:
sock_put(sk);
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: UnacceleratedStaticBitmapImage::UnacceleratedStaticBitmapImage(
sk_sp<SkImage> image) {
CHECK(image);
DCHECK(!image->isLazyGenerated());
paint_image_ =
CreatePaintImageBuilder()
.set_image(std::move(image), cc::PaintImage::GetNextContentId())
.TakePaintImage();
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: bool InspectorClientImpl::overridesShowPaintRects()
{
return m_inspectedWebView->isAcceleratedCompositingActive();
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void AddChunk(sk_sp<PaintRecord> record,
const TransformPaintPropertyNode* t,
const ClipPaintPropertyNode* c,
const EffectPaintPropertyNode* e,
const FloatRect& bounds = FloatRect(0, 0, 100, 100)) {
size_t i = items.size();
items.AllocateAndConstruct<DrawingDisplayItem>(
DefaultId().client, DefaultId().type, std::move(record));
chunks.emplace_back(i, i + 1, DefaultId(), PropertyTreeState(t, c, e));
chunks.back().bounds = bounds;
}
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: DOMFileSystemSync* WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope& worker, int type, long long size, ExceptionState& exceptionState)
{
ExecutionContext* secureContext = worker.executionContext();
if (!secureContext->securityOrigin()->canAccessFileSystem()) {
exceptionState.throwSecurityError(FileError::securityErrorMessage);
return 0;
}
FileSystemType fileSystemType = static_cast<FileSystemType>(type);
if (!DOMFileSystemBase::isValidType(fileSystemType)) {
exceptionState.throwDOMException(InvalidModificationError, "the type must be TEMPORARY or PERSISTENT.");
return 0;
}
RefPtr<FileSystemSyncCallbackHelper> helper = FileSystemSyncCallbackHelper::create();
OwnPtr<AsyncFileSystemCallbacks> callbacks = FileSystemCallbacks::create(helper->successCallback(), helper->errorCallback(), &worker, fileSystemType);
callbacks->setShouldBlockUntilCompletion(true);
LocalFileSystem::from(worker)->requestFileSystem(&worker, fileSystemType, size, callbacks.release());
return helper->getResult(exceptionState);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: ext4_ext_new_meta_block(handle_t *handle, struct inode *inode,
struct ext4_ext_path *path,
struct ext4_extent *ex, int *err, unsigned int flags)
{
ext4_fsblk_t goal, newblock;
goal = ext4_ext_find_goal(inode, path, le32_to_cpu(ex->ee_block));
newblock = ext4_new_meta_blocks(handle, inode, goal, flags,
NULL, err);
return newblock;
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: TouchpadLibrary* CrosLibrary::GetTouchpadLibrary() {
return touchpad_lib_.GetDefaultImpl(use_stub_impl_);
}
CWE ID: CWE-189
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void ImageCapture::ResolveWithMediaTrackConstraints(
MediaTrackConstraints constraints,
ScriptPromiseResolver* resolver) {
DCHECK(resolver);
resolver->Resolve(constraints);
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: static inline IntSize adjustedScrollDelta(const IntSize& delta)
{
return IntSize(adjustedScrollDelta(delta.width()), adjustedScrollDelta(delta.height()));
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void voidMethodDefaultUndefinedStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
{
TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
TestObjectPythonV8Internal::voidMethodDefaultUndefinedStringArgMethod(info);
TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void WtsSessionProcessDelegate::Core::OnJobNotification(DWORD message,
DWORD pid) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
switch (message) {
case JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO:
CHECK(SetEvent(process_exit_event_));
break;
case JOB_OBJECT_MSG_NEW_PROCESS:
worker_process_.Set(OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid));
break;
}
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: static inline void unlock_timer(struct k_itimer *timr, unsigned long flags)
{
spin_unlock_irqrestore(&timr->it_lock, flags);
}
CWE ID: CWE-190
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void DevToolsWindow::SearchInPath(int request_id,
const std::string& file_system_path,
const std::string& query) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CHECK(web_contents_->GetURL().SchemeIs(chrome::kChromeDevToolsScheme));
if (!file_helper_->IsFileSystemAdded(file_system_path)) {
SearchCompleted(request_id, file_system_path, std::vector<std::string>());
return;
}
file_system_indexer_->SearchInPath(file_system_path,
query,
Bind(&DevToolsWindow::SearchCompleted,
weak_factory_.GetWeakPtr(),
request_id,
file_system_path));
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: DevToolsUIBindings::DevToolsUIBindings(content::WebContents* web_contents)
: profile_(Profile::FromBrowserContext(web_contents->GetBrowserContext())),
android_bridge_(DevToolsAndroidBridge::Factory::GetForProfile(profile_)),
web_contents_(web_contents),
delegate_(new DefaultBindingsDelegate(web_contents_)),
devices_updates_enabled_(false),
frontend_loaded_(false),
reloading_(false),
weak_factory_(this) {
g_instances.Get().push_back(this);
frontend_contents_observer_.reset(new FrontendWebContentsObserver(this));
web_contents_->GetMutableRendererPrefs()->can_accept_load_drops = false;
file_helper_.reset(new DevToolsFileHelper(web_contents_, profile_, this));
file_system_indexer_ = new DevToolsFileSystemIndexer();
extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
web_contents_);
embedder_message_dispatcher_.reset(
DevToolsEmbedderMessageDispatcher::CreateForDevToolsFrontend(this));
frontend_host_.reset(content::DevToolsFrontendHost::Create(
web_contents_->GetMainFrame(),
base::Bind(&DevToolsUIBindings::HandleMessageFromDevToolsFrontend,
base::Unretained(this))));
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: static int compat_do_ebt_get_ctl(struct sock *sk, int cmd,
void __user *user, int *len)
{
int ret;
struct compat_ebt_replace tmp;
struct ebt_table *t;
struct net *net = sock_net(sk);
if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
return -EPERM;
/* try real handler in case userland supplied needed padding */
if ((cmd == EBT_SO_GET_INFO ||
cmd == EBT_SO_GET_INIT_INFO) && *len != sizeof(tmp))
return do_ebt_get_ctl(sk, cmd, user, len);
if (copy_from_user(&tmp, user, sizeof(tmp)))
return -EFAULT;
tmp.name[sizeof(tmp.name) - 1] = '\0';
t = find_table_lock(net, tmp.name, &ret, &ebt_mutex);
if (!t)
return ret;
xt_compat_lock(NFPROTO_BRIDGE);
switch (cmd) {
case EBT_SO_GET_INFO:
tmp.nentries = t->private->nentries;
ret = compat_table_info(t->private, &tmp);
if (ret)
goto out;
tmp.valid_hooks = t->valid_hooks;
if (copy_to_user(user, &tmp, *len) != 0) {
ret = -EFAULT;
break;
}
ret = 0;
break;
case EBT_SO_GET_INIT_INFO:
tmp.nentries = t->table->nentries;
tmp.entries_size = t->table->entries_size;
tmp.valid_hooks = t->table->valid_hooks;
if (copy_to_user(user, &tmp, *len) != 0) {
ret = -EFAULT;
break;
}
ret = 0;
break;
case EBT_SO_GET_ENTRIES:
case EBT_SO_GET_INIT_ENTRIES:
/* try real handler first in case of userland-side padding.
* in case we are dealing with an 'ordinary' 32 bit binary
* without 64bit compatibility padding, this will fail right
* after copy_from_user when the *len argument is validated.
*
* the compat_ variant needs to do one pass over the kernel
* data set to adjust for size differences before it the check.
*/
if (copy_everything_to_user(t, user, len, cmd) == 0)
ret = 0;
else
ret = compat_copy_everything_to_user(t, user, len, cmd);
break;
default:
ret = -EINVAL;
}
out:
xt_compat_flush_offsets(NFPROTO_BRIDGE);
xt_compat_unlock(NFPROTO_BRIDGE);
mutex_unlock(&ebt_mutex);
return ret;
}
CWE ID: CWE-787
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Document::detach(const AttachContext& context)
{
TRACE_EVENT0("blink", "Document::detach");
ASSERT(!m_frame || m_frame->tree().childCount() == 0);
if (!isActive())
return;
FrameNavigationDisabler navigationDisabler(*m_frame);
HTMLFrameOwnerElement::UpdateSuspendScope suspendWidgetHierarchyUpdates;
ScriptForbiddenScope forbidScript;
view()->dispose();
m_markers->prepareForDestruction();
if (LocalDOMWindow* window = this->domWindow())
window->willDetachDocumentFromFrame();
m_lifecycle.advanceTo(DocumentLifecycle::Stopping);
if (page())
page()->documentDetached(this);
InspectorInstrumentation::documentDetached(this);
if (m_frame->loader().client()->sharedWorkerRepositoryClient())
m_frame->loader().client()->sharedWorkerRepositoryClient()->documentDetached(this);
stopActiveDOMObjects();
if (m_scriptedAnimationController)
m_scriptedAnimationController->clearDocumentPointer();
m_scriptedAnimationController.clear();
m_scriptedIdleTaskController.clear();
if (svgExtensions())
accessSVGExtensions().pauseAnimations();
if (m_domWindow)
m_domWindow->clearEventQueue();
if (m_layoutView)
m_layoutView->setIsInWindow(false);
if (registrationContext())
registrationContext()->documentWasDetached();
m_hoverNode = nullptr;
m_activeHoverElement = nullptr;
m_autofocusElement = nullptr;
if (m_focusedElement.get()) {
RefPtrWillBeRawPtr<Element> oldFocusedElement = m_focusedElement;
m_focusedElement = nullptr;
if (frameHost())
frameHost()->chromeClient().focusedNodeChanged(oldFocusedElement.get(), nullptr);
}
if (this == &axObjectCacheOwner())
clearAXObjectCache();
m_layoutView = nullptr;
ContainerNode::detach(context);
if (this != &axObjectCacheOwner()) {
if (AXObjectCache* cache = existingAXObjectCache()) {
for (Node& node : NodeTraversal::descendantsOf(*this)) {
cache->remove(&node);
}
}
}
styleEngine().didDetach();
frameHost()->eventHandlerRegistry().documentDetached(*this);
m_frame->inputMethodController().documentDetached();
if (!loader())
m_fetcher->clearContext();
if (m_importsController)
HTMLImportsController::removeFrom(*this);
m_timers.setTimerTaskRunner(
Platform::current()->currentThread()->scheduler()->timerTaskRunner()->adoptClone());
m_frame = nullptr;
if (m_mediaQueryMatcher)
m_mediaQueryMatcher->documentDetached();
DocumentLifecycleNotifier::notifyDocumentWasDetached();
m_lifecycle.advanceTo(DocumentLifecycle::Stopped);
DocumentLifecycleNotifier::notifyContextDestroyed();
ExecutionContext::notifyContextDestroyed();
}
CWE ID: CWE-264
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void mcf_fec_do_tx(mcf_fec_state *s)
{
uint32_t addr;
uint32_t addr;
mcf_fec_bd bd;
int frame_size;
int len;
uint8_t frame[FEC_MAX_FRAME_SIZE];
uint8_t *ptr;
ptr = frame;
ptr = frame;
frame_size = 0;
addr = s->tx_descriptor;
while (1) {
mcf_fec_read_bd(&bd, addr);
DPRINTF("tx_bd %x flags %04x len %d data %08x\n",
addr, bd.flags, bd.length, bd.data);
/* Run out of descriptors to transmit. */
break;
}
len = bd.length;
if (frame_size + len > FEC_MAX_FRAME_SIZE) {
len = FEC_MAX_FRAME_SIZE - frame_size;
s->eir |= FEC_INT_BABT;
}
cpu_physical_memory_read(bd.data, ptr, len);
ptr += len;
frame_size += len;
if (bd.flags & FEC_BD_L) {
/* Last buffer in frame. */
DPRINTF("Sending packet\n");
qemu_send_packet(qemu_get_queue(s->nic), frame, len);
ptr = frame;
frame_size = 0;
s->eir |= FEC_INT_TXF;
}
s->eir |= FEC_INT_TXB;
bd.flags &= ~FEC_BD_R;
/* Write back the modified descriptor. */
mcf_fec_write_bd(&bd, addr);
/* Advance to the next descriptor. */
if ((bd.flags & FEC_BD_W) != 0) {
addr = s->etdsr;
} else {
addr += 8;
}
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: static void mark_reg_unknown_value_and_range(struct bpf_reg_state *regs,
u32 regno)
{
mark_reg_unknown_value(regs, regno);
reset_reg_range_values(regs, regno);
}
CWE ID: CWE-200
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: local void help(void)
{
int n;
if (g.verbosity == 0)
return;
for (n = 0; n < (int)(sizeof(helptext) / sizeof(char *)); n++)
fprintf(stderr, "%s\n", helptext[n]);
fflush(stderr);
exit(0);
}
CWE ID: CWE-22
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool ChromeOSSetImeConfig(InputMethodStatusConnection* connection,
const char* section,
const char* config_name,
const ImeConfigValue& value) {
DCHECK(section);
DCHECK(config_name);
g_return_val_if_fail(connection, FALSE);
return connection->SetImeConfig(section, config_name, value);
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: error::Error GLES2DecoderPassthroughImpl::DoCreateTransferCacheEntryINTERNAL(
GLuint entry_type,
GLuint entry_id,
GLuint handle_shm_id,
GLuint handle_shm_offset,
GLuint data_shm_id,
GLuint data_shm_offset,
GLuint data_size) {
NOTIMPLEMENTED();
return error::kNoError;
}
CWE ID: CWE-416
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int spl_filesystem_file_is_empty_line(spl_filesystem_object *intern TSRMLS_DC) /* {{{ */
{
if (intern->u.file.current_line) {
return intern->u.file.current_line_len == 0;
} else if (intern->u.file.current_zval) {
switch(Z_TYPE_P(intern->u.file.current_zval)) {
case IS_STRING:
return Z_STRLEN_P(intern->u.file.current_zval) == 0;
case IS_ARRAY:
if (SPL_HAS_FLAG(intern->flags, SPL_FILE_OBJECT_READ_CSV)
&& zend_hash_num_elements(Z_ARRVAL_P(intern->u.file.current_zval)) == 1) {
zval ** first = Z_ARRVAL_P(intern->u.file.current_zval)->pListHead->pData;
return Z_TYPE_PP(first) == IS_STRING && Z_STRLEN_PP(first) == 0;
}
return zend_hash_num_elements(Z_ARRVAL_P(intern->u.file.current_zval)) == 0;
case IS_NULL:
return 1;
default:
return 0;
}
} else {
return 1;
}
}
/* }}} */
CWE ID: CWE-190
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: NavigateParams::NavigateParams(
Browser* a_browser,
const GURL& a_url,
content::PageTransition a_transition)
: url(a_url),
target_contents(NULL),
source_contents(NULL),
disposition(CURRENT_TAB),
transition(a_transition),
tabstrip_index(-1),
tabstrip_add_types(TabStripModel::ADD_ACTIVE),
window_action(NO_ACTION),
user_gesture(true),
path_behavior(RESPECT),
ref_behavior(IGNORE_REF),
browser(a_browser),
profile(NULL) {
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: int32_t SiteInstanceImpl::GetId() {
return id_;
}
CWE ID: CWE-285
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void RenderFrameHostImpl::ExecuteMediaPlayerActionAtLocation(
const gfx::Point& location,
const blink::WebMediaPlayerAction& action) {
gfx::PointF point_in_view = GetView()->TransformRootPointToViewCoordSpace(
gfx::PointF(location.x(), location.y()));
Send(new FrameMsg_MediaPlayerActionAt(routing_id_, point_in_view, action));
}
CWE ID: CWE-416
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long address, pte_t *page_table, pmd_t *pmd,
unsigned int flags)
{
struct mem_cgroup *memcg;
struct page *page;
spinlock_t *ptl;
pte_t entry;
pte_unmap(page_table);
/* Check if we need to add a guard page to the stack */
if (check_stack_guard_page(vma, address) < 0)
return VM_FAULT_SIGSEGV;
/* Use the zero-page for reads */
if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) {
entry = pte_mkspecial(pfn_pte(my_zero_pfn(address),
vma->vm_page_prot));
page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
if (!pte_none(*page_table))
goto unlock;
goto setpte;
}
/* Allocate our own private page. */
if (unlikely(anon_vma_prepare(vma)))
goto oom;
page = alloc_zeroed_user_highpage_movable(vma, address);
if (!page)
goto oom;
if (mem_cgroup_try_charge(page, mm, GFP_KERNEL, &memcg))
goto oom_free_page;
/*
* The memory barrier inside __SetPageUptodate makes sure that
* preceeding stores to the page contents become visible before
* the set_pte_at() write.
*/
__SetPageUptodate(page);
entry = mk_pte(page, vma->vm_page_prot);
if (vma->vm_flags & VM_WRITE)
entry = pte_mkwrite(pte_mkdirty(entry));
page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
if (!pte_none(*page_table))
goto release;
inc_mm_counter_fast(mm, MM_ANONPAGES);
page_add_new_anon_rmap(page, vma, address);
mem_cgroup_commit_charge(page, memcg, false);
lru_cache_add_active_or_unevictable(page, vma);
setpte:
set_pte_at(mm, address, page_table, entry);
/* No need to invalidate - it was non-present before */
update_mmu_cache(vma, address, page_table);
unlock:
pte_unmap_unlock(page_table, ptl);
return 0;
release:
mem_cgroup_cancel_charge(page, memcg);
page_cache_release(page);
goto unlock;
oom_free_page:
page_cache_release(page);
oom:
return VM_FAULT_OOM;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: std::unique_ptr<TracedValue> InspectorRecalculateStylesEvent::Data(
LocalFrame* frame) {
std::unique_ptr<TracedValue> value = TracedValue::Create();
value->SetString("frame", ToHexString(frame));
SetCallStack(value.get());
return value;
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: rar_read_ahead(struct archive_read *a, size_t min, ssize_t *avail)
{
struct rar *rar = (struct rar *)(a->format->data);
const void *h = __archive_read_ahead(a, min, avail);
int ret;
if (avail)
{
if (a->archive.read_data_is_posix_read && *avail > (ssize_t)a->archive.read_data_requested)
*avail = a->archive.read_data_requested;
if (*avail > rar->bytes_remaining)
*avail = (ssize_t)rar->bytes_remaining;
if (*avail < 0)
return NULL;
else if (*avail == 0 && rar->main_flags & MHD_VOLUME &&
rar->file_flags & FHD_SPLIT_AFTER)
{
ret = archive_read_format_rar_read_header(a, a->entry);
if (ret == (ARCHIVE_EOF))
{
rar->has_endarc_header = 1;
ret = archive_read_format_rar_read_header(a, a->entry);
}
if (ret != (ARCHIVE_OK))
return NULL;
return rar_read_ahead(a, min, avail);
}
}
return h;
}
CWE ID: CWE-416
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void color_cmyk_to_rgb(opj_image_t *image)
{
float C, M, Y, K;
float sC, sM, sY, sK;
unsigned int w, h, max, i;
w = image->comps[0].w;
h = image->comps[0].h;
if(image->numcomps < 4) return;
max = w * h;
sC = 1.0F / (float)((1 << image->comps[0].prec) - 1);
sM = 1.0F / (float)((1 << image->comps[1].prec) - 1);
sY = 1.0F / (float)((1 << image->comps[2].prec) - 1);
sK = 1.0F / (float)((1 << image->comps[3].prec) - 1);
for(i = 0; i < max; ++i)
{
/* CMYK values from 0 to 1 */
C = (float)(image->comps[0].data[i]) * sC;
M = (float)(image->comps[1].data[i]) * sM;
Y = (float)(image->comps[2].data[i]) * sY;
K = (float)(image->comps[3].data[i]) * sK;
/* Invert all CMYK values */
C = 1.0F - C;
M = 1.0F - M;
Y = 1.0F - Y;
K = 1.0F - K;
/* CMYK -> RGB : RGB results from 0 to 255 */
image->comps[0].data[i] = (int)(255.0F * C * K); /* R */
image->comps[1].data[i] = (int)(255.0F * M * K); /* G */
image->comps[2].data[i] = (int)(255.0F * Y * K); /* B */
}
free(image->comps[3].data); image->comps[3].data = NULL;
image->comps[0].prec = 8;
image->comps[1].prec = 8;
image->comps[2].prec = 8;
image->numcomps -= 1;
image->color_space = OPJ_CLRSPC_SRGB;
for (i = 3; i < image->numcomps; ++i) {
memcpy(&(image->comps[i]), &(image->comps[i+1]), sizeof(image->comps[i]));
}
}/* color_cmyk_to_rgb() */
CWE ID: CWE-119
Target: 1
Example 2:
Code: WebContentsAndroid::~WebContentsAndroid() {
Java_WebContentsImpl_clearNativePtr(AttachCurrentThread(), obj_.obj());
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: MagickExport size_t GetQuantumExtent(const Image *image,
const QuantumInfo *quantum_info,const QuantumType quantum_type)
{
size_t
extent,
packet_size;
assert(quantum_info != (QuantumInfo *) NULL);
assert(quantum_info->signature == MagickCoreSignature);
packet_size=1;
switch (quantum_type)
{
case GrayAlphaQuantum: packet_size=2; break;
case IndexAlphaQuantum: packet_size=2; break;
case RGBQuantum: packet_size=3; break;
case BGRQuantum: packet_size=3; break;
case RGBAQuantum: packet_size=4; break;
case RGBOQuantum: packet_size=4; break;
case BGRAQuantum: packet_size=4; break;
case CMYKQuantum: packet_size=4; break;
case CMYKAQuantum: packet_size=5; break;
default: break;
}
extent=MagickMax(image->columns,image->rows);
if (quantum_info->pack == MagickFalse)
return((size_t) (packet_size*extent*((quantum_info->depth+7)/8)));
return((size_t) ((packet_size*extent*quantum_info->depth+7)/8));
}
CWE ID: CWE-125
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void SoftVPXEncoder::onQueueFilled(OMX_U32 /* portIndex */) {
if (mCodecContext == NULL) {
if (OK != initEncoder()) {
ALOGE("Failed to initialize encoder");
notify(OMX_EventError,
OMX_ErrorUndefined,
0, // Extra notification data
NULL); // Notification data pointer
return;
}
}
vpx_codec_err_t codec_return;
List<BufferInfo *> &inputBufferInfoQueue = getPortQueue(kInputPortIndex);
List<BufferInfo *> &outputBufferInfoQueue = getPortQueue(kOutputPortIndex);
while (!inputBufferInfoQueue.empty() && !outputBufferInfoQueue.empty()) {
BufferInfo *inputBufferInfo = *inputBufferInfoQueue.begin();
OMX_BUFFERHEADERTYPE *inputBufferHeader = inputBufferInfo->mHeader;
BufferInfo *outputBufferInfo = *outputBufferInfoQueue.begin();
OMX_BUFFERHEADERTYPE *outputBufferHeader = outputBufferInfo->mHeader;
if ((inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) &&
inputBufferHeader->nFilledLen == 0) {
inputBufferInfoQueue.erase(inputBufferInfoQueue.begin());
inputBufferInfo->mOwnedByUs = false;
notifyEmptyBufferDone(inputBufferHeader);
outputBufferHeader->nFilledLen = 0;
outputBufferHeader->nFlags = OMX_BUFFERFLAG_EOS;
outputBufferInfoQueue.erase(outputBufferInfoQueue.begin());
outputBufferInfo->mOwnedByUs = false;
notifyFillBufferDone(outputBufferHeader);
return;
}
const uint8_t *source =
inputBufferHeader->pBuffer + inputBufferHeader->nOffset;
if (mInputDataIsMeta) {
source = extractGraphicBuffer(
mConversionBuffer, mWidth * mHeight * 3 / 2,
source, inputBufferHeader->nFilledLen,
mWidth, mHeight);
if (source == NULL) {
ALOGE("Unable to extract gralloc buffer in metadata mode");
notify(OMX_EventError, OMX_ErrorUndefined, 0, 0);
return;
}
} else if (mColorFormat == OMX_COLOR_FormatYUV420SemiPlanar) {
ConvertYUV420SemiPlanarToYUV420Planar(
source, mConversionBuffer, mWidth, mHeight);
source = mConversionBuffer;
}
vpx_image_t raw_frame;
vpx_img_wrap(&raw_frame, VPX_IMG_FMT_I420, mWidth, mHeight,
kInputBufferAlignment, (uint8_t *)source);
vpx_enc_frame_flags_t flags = 0;
if (mTemporalPatternLength > 0) {
flags = getEncodeFlags();
}
if (mKeyFrameRequested) {
flags |= VPX_EFLAG_FORCE_KF;
mKeyFrameRequested = false;
}
if (mBitrateUpdated) {
mCodecConfiguration->rc_target_bitrate = mBitrate/1000;
vpx_codec_err_t res = vpx_codec_enc_config_set(mCodecContext,
mCodecConfiguration);
if (res != VPX_CODEC_OK) {
ALOGE("vp8 encoder failed to update bitrate: %s",
vpx_codec_err_to_string(res));
notify(OMX_EventError,
OMX_ErrorUndefined,
0, // Extra notification data
NULL); // Notification data pointer
}
mBitrateUpdated = false;
}
uint32_t frameDuration;
if (inputBufferHeader->nTimeStamp > mLastTimestamp) {
frameDuration = (uint32_t)(inputBufferHeader->nTimeStamp - mLastTimestamp);
} else {
frameDuration = (uint32_t)(((uint64_t)1000000 << 16) / mFramerate);
}
mLastTimestamp = inputBufferHeader->nTimeStamp;
codec_return = vpx_codec_encode(
mCodecContext,
&raw_frame,
inputBufferHeader->nTimeStamp, // in timebase units
frameDuration, // frame duration in timebase units
flags, // frame flags
VPX_DL_REALTIME); // encoding deadline
if (codec_return != VPX_CODEC_OK) {
ALOGE("vpx encoder failed to encode frame");
notify(OMX_EventError,
OMX_ErrorUndefined,
0, // Extra notification data
NULL); // Notification data pointer
return;
}
vpx_codec_iter_t encoded_packet_iterator = NULL;
const vpx_codec_cx_pkt_t* encoded_packet;
while ((encoded_packet = vpx_codec_get_cx_data(
mCodecContext, &encoded_packet_iterator))) {
if (encoded_packet->kind == VPX_CODEC_CX_FRAME_PKT) {
outputBufferHeader->nTimeStamp = encoded_packet->data.frame.pts;
outputBufferHeader->nFlags = 0;
if (encoded_packet->data.frame.flags & VPX_FRAME_IS_KEY)
outputBufferHeader->nFlags |= OMX_BUFFERFLAG_SYNCFRAME;
outputBufferHeader->nOffset = 0;
outputBufferHeader->nFilledLen = encoded_packet->data.frame.sz;
memcpy(outputBufferHeader->pBuffer,
encoded_packet->data.frame.buf,
encoded_packet->data.frame.sz);
outputBufferInfo->mOwnedByUs = false;
outputBufferInfoQueue.erase(outputBufferInfoQueue.begin());
if (inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) {
outputBufferHeader->nFlags |= OMX_BUFFERFLAG_EOS;
}
notifyFillBufferDone(outputBufferHeader);
}
}
inputBufferInfo->mOwnedByUs = false;
inputBufferInfoQueue.erase(inputBufferInfoQueue.begin());
notifyEmptyBufferDone(inputBufferHeader);
}
}
CWE ID: CWE-264
Target: 1
Example 2:
Code: void PostNextAfterDraw(LayerTreeHostImpl* host_impl) {
if (posted_)
return;
posted_ = true;
ImplThreadTaskRunner()->PostDelayedTask(
FROM_HERE, base::Bind(&LayerTreeHostTestCrispUpAfterPinchEnds::Next,
base::Unretained(this), host_impl),
base::TimeDelta::FromMilliseconds(16 * 4));
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int Chapters::Edition::GetAtomCount() const
{
return m_atoms_count;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: xscale1pmu_handle_irq(int irq_num, void *dev)
{
unsigned long pmnc;
struct perf_sample_data data;
struct cpu_hw_events *cpuc;
struct pt_regs *regs;
int idx;
/*
* NOTE: there's an A stepping erratum that states if an overflow
* bit already exists and another occurs, the previous
* Overflow bit gets cleared. There's no workaround.
* Fixed in B stepping or later.
*/
pmnc = xscale1pmu_read_pmnc();
/*
* Write the value back to clear the overflow flags. Overflow
* flags remain in pmnc for use below. We also disable the PMU
* while we process the interrupt.
*/
xscale1pmu_write_pmnc(pmnc & ~XSCALE_PMU_ENABLE);
if (!(pmnc & XSCALE1_OVERFLOWED_MASK))
return IRQ_NONE;
regs = get_irq_regs();
perf_sample_data_init(&data, 0);
cpuc = &__get_cpu_var(cpu_hw_events);
for (idx = 0; idx <= armpmu->num_events; ++idx) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;
if (!test_bit(idx, cpuc->active_mask))
continue;
if (!xscale1_pmnc_counter_has_overflowed(pmnc, idx))
continue;
hwc = &event->hw;
armpmu_event_update(event, hwc, idx, 1);
data.period = event->hw.last_period;
if (!armpmu_event_set_period(event, hwc, idx))
continue;
if (perf_event_overflow(event, 0, &data, regs))
armpmu->disable(hwc, idx);
}
irq_work_run();
/*
* Re-enable the PMU.
*/
pmnc = xscale1pmu_read_pmnc() | XSCALE_PMU_ENABLE;
xscale1pmu_write_pmnc(pmnc);
return IRQ_HANDLED;
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: base::Time CaptivePortalDetector::GetCurrentTime() const {
if (time_for_testing_.is_null())
return base::Time::Now();
else
return time_for_testing_;
}
CWE ID: CWE-190
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
int max_irr;
void *vapic_page;
u16 status;
if (vmx->nested.pi_desc &&
vmx->nested.pi_pending) {
vmx->nested.pi_pending = false;
if (!pi_test_and_clear_on(vmx->nested.pi_desc))
return 0;
max_irr = find_last_bit(
(unsigned long *)vmx->nested.pi_desc->pir, 256);
if (max_irr == 256)
return 0;
vapic_page = kmap(vmx->nested.virtual_apic_page);
if (!vapic_page) {
WARN_ON(1);
return -ENOMEM;
}
__kvm_apic_update_irr(vmx->nested.pi_desc->pir, vapic_page);
kunmap(vmx->nested.virtual_apic_page);
status = vmcs_read16(GUEST_INTR_STATUS);
if ((u8)max_irr > ((u8)status & 0xff)) {
status &= ~0xff;
status |= (u8)max_irr;
vmcs_write16(GUEST_INTR_STATUS, status);
}
}
return 0;
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static v8::Handle<v8::Value> convert5Callback(const v8::Arguments& args)
{
INC_STATS("DOM.TestObj.convert5");
if (args.Length() < 1)
return V8Proxy::throwNotEnoughArgumentsError();
TestObj* imp = V8TestObj::toNative(args.Holder());
EXCEPTION_BLOCK(e*, , V8e::HasInstance(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined)) ? V8e::toNative(v8::Handle<v8::Object>::Cast(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined))) : 0);
imp->convert5();
return v8::Handle<v8::Value>();
}
CWE ID:
Target: 1
Example 2:
Code: void Document::sharedObjectPoolClearTimerFired(Timer<Document>*)
{
m_sharedObjectPool.clear();
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void RenderWidgetHostImpl::DidNavigate(uint32_t next_source_id) {
current_content_source_id_ = next_source_id;
did_receive_first_frame_after_navigation_ = false;
if (enable_surface_synchronization_) {
visual_properties_ack_pending_ = false;
viz::LocalSurfaceId old_surface_id = view_->GetLocalSurfaceId();
if (view_)
view_->DidNavigate();
viz::LocalSurfaceId new_surface_id = view_->GetLocalSurfaceId();
if (old_surface_id == new_surface_id)
return;
} else {
if (last_received_content_source_id_ >= current_content_source_id_)
return;
}
if (!new_content_rendering_timeout_)
return;
new_content_rendering_timeout_->Start(new_content_rendering_delay_);
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool Chapters::ExpandEditionsArray()
{
if (m_editions_size > m_editions_count)
return true; // nothing else to do
const int size = (m_editions_size == 0) ? 1 : 2 * m_editions_size;
Edition* const editions = new (std::nothrow) Edition[size];
if (editions == NULL)
return false;
for (int idx = 0; idx < m_editions_count; ++idx)
{
m_editions[idx].ShallowCopy(editions[idx]);
}
delete[] m_editions;
m_editions = editions;
m_editions_size = size;
return true;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static int __net_init sctp_proc_init(struct net *net)
{
#ifdef CONFIG_PROC_FS
net->sctp.proc_net_sctp = proc_net_mkdir(net, "sctp", net->proc_net);
if (!net->sctp.proc_net_sctp)
goto out_proc_net_sctp;
if (sctp_snmp_proc_init(net))
goto out_snmp_proc_init;
if (sctp_eps_proc_init(net))
goto out_eps_proc_init;
if (sctp_assocs_proc_init(net))
goto out_assocs_proc_init;
if (sctp_remaddr_proc_init(net))
goto out_remaddr_proc_init;
return 0;
out_remaddr_proc_init:
sctp_assocs_proc_exit(net);
out_assocs_proc_init:
sctp_eps_proc_exit(net);
out_eps_proc_init:
sctp_snmp_proc_exit(net);
out_snmp_proc_init:
remove_proc_entry("sctp", net->proc_net);
net->sctp.proc_net_sctp = NULL;
out_proc_net_sctp:
return -ENOMEM;
#endif /* CONFIG_PROC_FS */
return 0;
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: send_results(struct iperf_test *test)
{
int r = 0;
cJSON *j;
cJSON *j_streams;
struct iperf_stream *sp;
cJSON *j_stream;
int sender_has_retransmits;
iperf_size_t bytes_transferred;
int retransmits;
j = cJSON_CreateObject();
if (j == NULL) {
i_errno = IEPACKAGERESULTS;
r = -1;
} else {
cJSON_AddFloatToObject(j, "cpu_util_total", test->cpu_util[0]);
cJSON_AddFloatToObject(j, "cpu_util_user", test->cpu_util[1]);
cJSON_AddFloatToObject(j, "cpu_util_system", test->cpu_util[2]);
if ( ! test->sender )
sender_has_retransmits = -1;
else
sender_has_retransmits = test->sender_has_retransmits;
cJSON_AddIntToObject(j, "sender_has_retransmits", sender_has_retransmits);
/* If on the server and sending server output, then do this */
if (test->role == 's' && test->get_server_output) {
if (test->json_output) {
/* Add JSON output */
cJSON_AddItemReferenceToObject(j, "server_output_json", test->json_top);
}
else {
/* Add textual output */
size_t buflen = 0;
/* Figure out how much room we need to hold the complete output string */
struct iperf_textline *t;
TAILQ_FOREACH(t, &(test->server_output_list), textlineentries) {
buflen += strlen(t->line);
}
/* Allocate and build it up from the component lines */
char *output = calloc(buflen + 1, 1);
TAILQ_FOREACH(t, &(test->server_output_list), textlineentries) {
strncat(output, t->line, buflen);
buflen -= strlen(t->line);
}
cJSON_AddStringToObject(j, "server_output_text", output);
}
}
j_streams = cJSON_CreateArray();
if (j_streams == NULL) {
i_errno = IEPACKAGERESULTS;
r = -1;
} else {
cJSON_AddItemToObject(j, "streams", j_streams);
SLIST_FOREACH(sp, &test->streams, streams) {
j_stream = cJSON_CreateObject();
if (j_stream == NULL) {
i_errno = IEPACKAGERESULTS;
r = -1;
} else {
cJSON_AddItemToArray(j_streams, j_stream);
bytes_transferred = test->sender ? sp->result->bytes_sent : sp->result->bytes_received;
retransmits = (test->sender && test->sender_has_retransmits) ? sp->result->stream_retrans : -1;
cJSON_AddIntToObject(j_stream, "id", sp->id);
cJSON_AddIntToObject(j_stream, "bytes", bytes_transferred);
cJSON_AddIntToObject(j_stream, "retransmits", retransmits);
cJSON_AddFloatToObject(j_stream, "jitter", sp->jitter);
cJSON_AddIntToObject(j_stream, "errors", sp->cnt_error);
cJSON_AddIntToObject(j_stream, "packets", sp->packet_count);
}
}
if (r == 0 && test->debug) {
printf("send_results\n%s\n", cJSON_Print(j));
}
if (r == 0 && JSON_write(test->ctrl_sck, j) < 0) {
i_errno = IESENDRESULTS;
r = -1;
}
}
cJSON_Delete(j);
}
return r;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: PHP_MINFO_FUNCTION(mcrypt) /* {{{ */
{
char **modules;
char mcrypt_api_no[16];
int i, count;
smart_str tmp1 = {0};
smart_str tmp2 = {0};
modules = mcrypt_list_algorithms(MCG(algorithms_dir), &count);
if (count == 0) {
smart_str_appends(&tmp1, "none");
}
for (i = 0; i < count; i++) {
smart_str_appends(&tmp1, modules[i]);
smart_str_appendc(&tmp1, ' ');
}
smart_str_0(&tmp1);
mcrypt_free_p(modules, count);
modules = mcrypt_list_modes(MCG(modes_dir), &count);
if (count == 0) {
smart_str_appends(&tmp2, "none");
}
for (i = 0; i < count; i++) {
smart_str_appends(&tmp2, modules[i]);
smart_str_appendc(&tmp2, ' ');
}
smart_str_0 (&tmp2);
mcrypt_free_p (modules, count);
snprintf (mcrypt_api_no, 16, "%d", MCRYPT_API_VERSION);
php_info_print_table_start();
php_info_print_table_header(2, "mcrypt support", "enabled");
php_info_print_table_header(2, "mcrypt_filter support", "enabled");
php_info_print_table_row(2, "Version", LIBMCRYPT_VERSION);
php_info_print_table_row(2, "Api No", mcrypt_api_no);
php_info_print_table_row(2, "Supported ciphers", tmp1.c);
php_info_print_table_row(2, "Supported modes", tmp2.c);
smart_str_free(&tmp1);
smart_str_free(&tmp2);
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* }}} */
CWE ID: CWE-190
Target: 1
Example 2:
Code: xfs_attr3_leaf_hdr_to_disk(
struct xfs_da_geometry *geo,
struct xfs_attr_leafblock *to,
struct xfs_attr3_icleaf_hdr *from)
{
int i;
ASSERT(from->magic == XFS_ATTR_LEAF_MAGIC ||
from->magic == XFS_ATTR3_LEAF_MAGIC);
if (from->magic == XFS_ATTR3_LEAF_MAGIC) {
struct xfs_attr3_leaf_hdr *hdr3 = (struct xfs_attr3_leaf_hdr *)to;
hdr3->info.hdr.forw = cpu_to_be32(from->forw);
hdr3->info.hdr.back = cpu_to_be32(from->back);
hdr3->info.hdr.magic = cpu_to_be16(from->magic);
hdr3->count = cpu_to_be16(from->count);
hdr3->usedbytes = cpu_to_be16(from->usedbytes);
xfs_attr3_leaf_firstused_to_disk(geo, to, from);
hdr3->holes = from->holes;
hdr3->pad1 = 0;
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
hdr3->freemap[i].base = cpu_to_be16(from->freemap[i].base);
hdr3->freemap[i].size = cpu_to_be16(from->freemap[i].size);
}
return;
}
to->hdr.info.forw = cpu_to_be32(from->forw);
to->hdr.info.back = cpu_to_be32(from->back);
to->hdr.info.magic = cpu_to_be16(from->magic);
to->hdr.count = cpu_to_be16(from->count);
to->hdr.usedbytes = cpu_to_be16(from->usedbytes);
xfs_attr3_leaf_firstused_to_disk(geo, to, from);
to->hdr.holes = from->holes;
to->hdr.pad1 = 0;
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
to->hdr.freemap[i].base = cpu_to_be16(from->freemap[i].base);
to->hdr.freemap[i].size = cpu_to_be16(from->freemap[i].size);
}
}
CWE ID: CWE-476
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: explicit RoundedCornersImageSource(const gfx::ImageSkia& icon)
: gfx::CanvasImageSource(icon.size(), false),
icon_(icon) {
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static bool tailmatch(const char *little, const char *bigone)
{
size_t littlelen = strlen(little);
size_t biglen = strlen(bigone);
if(littlelen > biglen)
return FALSE;
return Curl_raw_equal(little, bigone+biglen-littlelen) ? TRUE : FALSE;
}
CWE ID: CWE-200
Target: 1
Example 2:
Code: static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst,
OPJ_SIZE_T length, OPJ_INT32 adjust)
{
OPJ_SIZE_T i;
const OPJ_INT32* pSrc0 = pSrc[0];
const OPJ_INT32* pSrc1 = pSrc[1];
const OPJ_INT32* pSrc2 = pSrc[2];
for (i = 0; i < length; i++) {
pDst[3 * i + 0] = pSrc0[i] + adjust;
pDst[3 * i + 1] = pSrc1[i] + adjust;
pDst[3 * i + 2] = pSrc2[i] + adjust;
}
}
CWE ID: CWE-787
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void move_node_page(struct page *node_page, int gc_type)
{
if (gc_type == FG_GC) {
struct f2fs_sb_info *sbi = F2FS_P_SB(node_page);
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 1,
.for_reclaim = 0,
};
set_page_dirty(node_page);
f2fs_wait_on_page_writeback(node_page, NODE, true);
f2fs_bug_on(sbi, PageWriteback(node_page));
if (!clear_page_dirty_for_io(node_page))
goto out_page;
if (NODE_MAPPING(sbi)->a_ops->writepage(node_page, &wbc))
unlock_page(node_page);
goto release_page;
} else {
/* set page dirty and write it */
if (!PageWriteback(node_page))
set_page_dirty(node_page);
}
out_page:
unlock_page(node_page);
release_page:
f2fs_put_page(node_page, 0);
}
CWE ID: CWE-362
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: push_decoder_state (DECODER_STATE ds)
{
if (ds->idx >= ds->stacksize)
{
fprintf (stderr, "ERROR: decoder stack overflow!\n");
abort ();
}
ds->stack[ds->idx++] = ds->cur;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: float GetVisualViewportScale(FrameTreeNode* node) {
double scale;
EXPECT_TRUE(ExecuteScriptAndExtractDouble(
node, "window.domAutomationController.send(visualViewport.scale);",
&scale));
return static_cast<float>(scale);
}
CWE ID: CWE-732
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int do_timer_create(clockid_t which_clock, struct sigevent *event,
timer_t __user *created_timer_id)
{
const struct k_clock *kc = clockid_to_kclock(which_clock);
struct k_itimer *new_timer;
int error, new_timer_id;
int it_id_set = IT_ID_NOT_SET;
if (!kc)
return -EINVAL;
if (!kc->timer_create)
return -EOPNOTSUPP;
new_timer = alloc_posix_timer();
if (unlikely(!new_timer))
return -EAGAIN;
spin_lock_init(&new_timer->it_lock);
new_timer_id = posix_timer_add(new_timer);
if (new_timer_id < 0) {
error = new_timer_id;
goto out;
}
it_id_set = IT_ID_SET;
new_timer->it_id = (timer_t) new_timer_id;
new_timer->it_clock = which_clock;
new_timer->kclock = kc;
new_timer->it_overrun = -1;
if (event) {
rcu_read_lock();
new_timer->it_pid = get_pid(good_sigevent(event));
rcu_read_unlock();
if (!new_timer->it_pid) {
error = -EINVAL;
goto out;
}
new_timer->it_sigev_notify = event->sigev_notify;
new_timer->sigq->info.si_signo = event->sigev_signo;
new_timer->sigq->info.si_value = event->sigev_value;
} else {
new_timer->it_sigev_notify = SIGEV_SIGNAL;
new_timer->sigq->info.si_signo = SIGALRM;
memset(&new_timer->sigq->info.si_value, 0, sizeof(sigval_t));
new_timer->sigq->info.si_value.sival_int = new_timer->it_id;
new_timer->it_pid = get_pid(task_tgid(current));
}
new_timer->sigq->info.si_tid = new_timer->it_id;
new_timer->sigq->info.si_code = SI_TIMER;
if (copy_to_user(created_timer_id,
&new_timer_id, sizeof (new_timer_id))) {
error = -EFAULT;
goto out;
}
error = kc->timer_create(new_timer);
if (error)
goto out;
spin_lock_irq(¤t->sighand->siglock);
new_timer->it_signal = current->signal;
list_add(&new_timer->list, ¤t->signal->posix_timers);
spin_unlock_irq(¤t->sighand->siglock);
return 0;
/*
* In the case of the timer belonging to another task, after
* the task is unlocked, the timer is owned by the other task
* and may cease to exist at any time. Don't use or modify
* new_timer after the unlock call.
*/
out:
release_posix_timer(new_timer, it_id_set);
return error;
}
CWE ID: CWE-190
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int key_update(key_ref_t key_ref, const void *payload, size_t plen)
{
struct key_preparsed_payload prep;
struct key *key = key_ref_to_ptr(key_ref);
int ret;
key_check(key);
/* the key must be writable */
ret = key_permission(key_ref, KEY_NEED_WRITE);
if (ret < 0)
return ret;
/* attempt to update it if supported */
if (!key->type->update)
return -EOPNOTSUPP;
memset(&prep, 0, sizeof(prep));
prep.data = payload;
prep.datalen = plen;
prep.quotalen = key->type->def_datalen;
prep.expiry = TIME_T_MAX;
if (key->type->preparse) {
ret = key->type->preparse(&prep);
if (ret < 0)
goto error;
}
down_write(&key->sem);
ret = key->type->update(key, &prep);
if (ret == 0)
/* updating a negative key instantiates it */
clear_bit(KEY_FLAG_NEGATIVE, &key->flags);
up_write(&key->sem);
error:
if (key->type->preparse)
key->type->free_preparse(&prep);
return ret;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: LayerWebKitThread::~LayerWebKitThread()
{
if (m_tiler)
m_tiler->layerWebKitThreadDestroyed();
ASSERT(!superlayer());
removeAll(m_sublayers);
removeAll(m_overlays);
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void __init acpi_debugfs_init(void)
{
acpi_debugfs_dir = debugfs_create_dir("acpi", NULL);
acpi_custom_method_init();
}
CWE ID: CWE-264
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: swabHorDiff32(TIFF* tif, uint8* cp0, tmsize_t cc)
{
uint32* wp = (uint32*) cp0;
tmsize_t wc = cc / 4;
horDiff32(tif, cp0, cc);
TIFFSwabArrayOfLong(wp, wc);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static int sideband_progress_pkt(git_pkt **out, const char *line, size_t len)
{
git_pkt_progress *pkt;
size_t alloclen;
line++;
len--;
GITERR_CHECK_ALLOC_ADD(&alloclen, sizeof(git_pkt_progress), len);
pkt = git__malloc(alloclen);
GITERR_CHECK_ALLOC(pkt);
pkt->type = GIT_PKT_PROGRESS;
pkt->len = (int) len;
memcpy(pkt->data, line, len);
*out = (git_pkt *) pkt;
return 0;
}
CWE ID: CWE-476
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: AtomicString PerformanceNavigationTiming::GetNavigationType(
NavigationType type,
const Document* document) {
if (document && document->GetPageVisibilityState() ==
mojom::PageVisibilityState::kPrerender) {
return "prerender";
}
switch (type) {
case kNavigationTypeReload:
return "reload";
case kNavigationTypeBackForward:
return "back_forward";
case kNavigationTypeLinkClicked:
case kNavigationTypeFormSubmitted:
case kNavigationTypeFormResubmitted:
case kNavigationTypeOther:
return "navigate";
}
NOTREACHED();
return "navigate";
}
CWE ID: CWE-200
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool BaseSessionService::RestoreUpdateTabNavigationCommand(
const SessionCommand& command,
TabNavigation* navigation,
SessionID::id_type* tab_id) {
scoped_ptr<Pickle> pickle(command.PayloadAsPickle());
if (!pickle.get())
return false;
void* iterator = NULL;
std::string url_spec;
if (!pickle->ReadInt(&iterator, tab_id) ||
!pickle->ReadInt(&iterator, &(navigation->index_)) ||
!pickle->ReadString(&iterator, &url_spec) ||
!pickle->ReadString16(&iterator, &(navigation->title_)) ||
!pickle->ReadString(&iterator, &(navigation->state_)) ||
!pickle->ReadInt(&iterator,
reinterpret_cast<int*>(&(navigation->transition_))))
return false;
bool has_type_mask = pickle->ReadInt(&iterator, &(navigation->type_mask_));
if (has_type_mask) {
std::string referrer_spec;
pickle->ReadString(&iterator, &referrer_spec);
int policy_int;
WebReferrerPolicy policy;
if (pickle->ReadInt(&iterator, &policy_int))
policy = static_cast<WebReferrerPolicy>(policy_int);
else
policy = WebKit::WebReferrerPolicyDefault;
navigation->referrer_ = content::Referrer(
referrer_spec.empty() ? GURL() : GURL(referrer_spec),
policy);
std::string content_state;
if (CompressDataHelper::ReadAndDecompressStringFromPickle(
*pickle.get(), &iterator, &content_state) &&
!content_state.empty()) {
navigation->state_ = content_state;
}
}
navigation->virtual_url_ = GURL(url_spec);
return true;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: static int nf_tables_getgen(struct sock *nlsk, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
struct net *net = sock_net(skb->sk);
struct sk_buff *skb2;
int err;
skb2 = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
if (skb2 == NULL)
return -ENOMEM;
err = nf_tables_fill_gen_info(skb2, net, NETLINK_CB(skb).portid,
nlh->nlmsg_seq);
if (err < 0)
goto err;
return nlmsg_unicast(nlsk, skb2, NETLINK_CB(skb).portid);
err:
kfree_skb(skb2);
return err;
}
CWE ID: CWE-19
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
{
unsigned long npages, xpages, loop;
struct page *pages;
unsigned order;
void *data;
int ret;
/* make various checks */
order = get_order(newsize);
if (unlikely(order >= MAX_ORDER))
return -EFBIG;
ret = inode_newsize_ok(inode, newsize);
if (ret)
return ret;
i_size_write(inode, newsize);
/* allocate enough contiguous pages to be able to satisfy the
* request */
pages = alloc_pages(mapping_gfp_mask(inode->i_mapping), order);
if (!pages)
return -ENOMEM;
/* split the high-order page into an array of single pages */
xpages = 1UL << order;
npages = (newsize + PAGE_SIZE - 1) >> PAGE_SHIFT;
split_page(pages, order);
/* trim off any pages we don't actually require */
for (loop = npages; loop < xpages; loop++)
__free_page(pages + loop);
/* clear the memory we allocated */
newsize = PAGE_SIZE * npages;
data = page_address(pages);
memset(data, 0, newsize);
/* attach all the pages to the inode's address space */
for (loop = 0; loop < npages; loop++) {
struct page *page = pages + loop;
ret = add_to_page_cache_lru(page, inode->i_mapping, loop,
GFP_KERNEL);
if (ret < 0)
goto add_error;
/* prevent the page from being discarded on memory pressure */
SetPageDirty(page);
SetPageUptodate(page);
unlock_page(page);
put_page(page);
}
return 0;
add_error:
while (loop < npages)
__free_page(pages + loop++);
return ret;
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int handle_emulation_failure(struct kvm_vcpu *vcpu)
{
++vcpu->stat.insn_emulation_fail;
trace_kvm_emulate_insn_failed(vcpu);
vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
vcpu->run->internal.ndata = 0;
kvm_queue_exception(vcpu, UD_VECTOR);
return EMULATE_FAIL;
}
CWE ID: CWE-362
Target: 1
Example 2:
Code: int do_execve(const char *filename,
const char __user *const __user *__argv,
const char __user *const __user *__envp)
{
struct user_arg_ptr argv = { .ptr.native = __argv };
struct user_arg_ptr envp = { .ptr.native = __envp };
return do_execve_common(filename, argv, envp);
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void DownloadItemImpl::OnIntermediatePathDetermined(
DownloadFileManager* file_manager,
const FilePath& intermediate_path,
bool ok_to_overwrite) {
DownloadFileManager::RenameCompletionCallback callback =
base::Bind(&DownloadItemImpl::OnDownloadRenamedToIntermediateName,
weak_ptr_factory_.GetWeakPtr());
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&DownloadFileManager::RenameInProgressDownloadFile,
file_manager, GetGlobalId(), intermediate_path,
ok_to_overwrite, callback));
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: OMX_ERRORTYPE omx_video::free_buffer(OMX_IN OMX_HANDLETYPE hComp,
OMX_IN OMX_U32 port,
OMX_IN OMX_BUFFERHEADERTYPE* buffer)
{
(void)hComp;
OMX_ERRORTYPE eRet = OMX_ErrorNone;
unsigned int nPortIndex;
DEBUG_PRINT_LOW("In for encoder free_buffer");
if (m_state == OMX_StateIdle &&
(BITMASK_PRESENT(&m_flags ,OMX_COMPONENT_LOADING_PENDING))) {
DEBUG_PRINT_LOW(" free buffer while Component in Loading pending");
} else if ((m_sInPortDef.bEnabled == OMX_FALSE && port == PORT_INDEX_IN)||
(m_sOutPortDef.bEnabled == OMX_FALSE && port == PORT_INDEX_OUT)) {
DEBUG_PRINT_LOW("Free Buffer while port %u disabled", (unsigned int)port);
} else if (m_state == OMX_StateExecuting || m_state == OMX_StatePause) {
DEBUG_PRINT_ERROR("ERROR: Invalid state to free buffer,ports need to be disabled");
post_event(OMX_EventError,
OMX_ErrorPortUnpopulated,
OMX_COMPONENT_GENERATE_EVENT);
return eRet;
} else {
DEBUG_PRINT_ERROR("ERROR: Invalid state to free buffer,port lost Buffers");
post_event(OMX_EventError,
OMX_ErrorPortUnpopulated,
OMX_COMPONENT_GENERATE_EVENT);
}
if (port == PORT_INDEX_IN) {
nPortIndex = buffer - ((!meta_mode_enable)?m_inp_mem_ptr:meta_buffer_hdr);
DEBUG_PRINT_LOW("free_buffer on i/p port - Port idx %u, actual cnt %u",
nPortIndex, (unsigned int)m_sInPortDef.nBufferCountActual);
if (nPortIndex < m_sInPortDef.nBufferCountActual) {
BITMASK_CLEAR(&m_inp_bm_count,nPortIndex);
free_input_buffer (buffer);
m_sInPortDef.bPopulated = OMX_FALSE;
/*Free the Buffer Header*/
if (release_input_done()
#ifdef _ANDROID_ICS_
&& !meta_mode_enable
#endif
) {
input_use_buffer = false;
if (m_inp_mem_ptr) {
DEBUG_PRINT_LOW("Freeing m_inp_mem_ptr");
free (m_inp_mem_ptr);
m_inp_mem_ptr = NULL;
}
if (m_pInput_pmem) {
DEBUG_PRINT_LOW("Freeing m_pInput_pmem");
free(m_pInput_pmem);
m_pInput_pmem = NULL;
}
#ifdef USE_ION
if (m_pInput_ion) {
DEBUG_PRINT_LOW("Freeing m_pInput_ion");
free(m_pInput_ion);
m_pInput_ion = NULL;
}
#endif
}
} else {
DEBUG_PRINT_ERROR("ERROR: free_buffer ,Port Index Invalid");
eRet = OMX_ErrorBadPortIndex;
}
if (BITMASK_PRESENT((&m_flags),OMX_COMPONENT_INPUT_DISABLE_PENDING)
&& release_input_done()) {
DEBUG_PRINT_LOW("MOVING TO DISABLED STATE");
BITMASK_CLEAR((&m_flags),OMX_COMPONENT_INPUT_DISABLE_PENDING);
post_event(OMX_CommandPortDisable,
PORT_INDEX_IN,
OMX_COMPONENT_GENERATE_EVENT);
}
} else if (port == PORT_INDEX_OUT) {
nPortIndex = buffer - (OMX_BUFFERHEADERTYPE*)m_out_mem_ptr;
DEBUG_PRINT_LOW("free_buffer on o/p port - Port idx %u, actual cnt %u",
nPortIndex, (unsigned int)m_sOutPortDef.nBufferCountActual);
if (nPortIndex < m_sOutPortDef.nBufferCountActual) {
BITMASK_CLEAR(&m_out_bm_count,nPortIndex);
m_sOutPortDef.bPopulated = OMX_FALSE;
free_output_buffer (buffer);
if (release_output_done()) {
output_use_buffer = false;
if (m_out_mem_ptr) {
DEBUG_PRINT_LOW("Freeing m_out_mem_ptr");
free (m_out_mem_ptr);
m_out_mem_ptr = NULL;
}
if (m_pOutput_pmem) {
DEBUG_PRINT_LOW("Freeing m_pOutput_pmem");
free(m_pOutput_pmem);
m_pOutput_pmem = NULL;
}
#ifdef USE_ION
if (m_pOutput_ion) {
DEBUG_PRINT_LOW("Freeing m_pOutput_ion");
free(m_pOutput_ion);
m_pOutput_ion = NULL;
}
#endif
}
} else {
DEBUG_PRINT_ERROR("ERROR: free_buffer , Port Index Invalid");
eRet = OMX_ErrorBadPortIndex;
}
if (BITMASK_PRESENT((&m_flags),OMX_COMPONENT_OUTPUT_DISABLE_PENDING)
&& release_output_done() ) {
DEBUG_PRINT_LOW("FreeBuffer : If any Disable event pending,post it");
DEBUG_PRINT_LOW("MOVING TO DISABLED STATE");
BITMASK_CLEAR((&m_flags),OMX_COMPONENT_OUTPUT_DISABLE_PENDING);
post_event(OMX_CommandPortDisable,
PORT_INDEX_OUT,
OMX_COMPONENT_GENERATE_EVENT);
}
} else {
eRet = OMX_ErrorBadPortIndex;
}
if ((eRet == OMX_ErrorNone) &&
(BITMASK_PRESENT(&m_flags ,OMX_COMPONENT_LOADING_PENDING))) {
if (release_done()) {
if (dev_stop() != 0) {
DEBUG_PRINT_ERROR("ERROR: dev_stop() FAILED");
eRet = OMX_ErrorHardware;
}
BITMASK_CLEAR((&m_flags),OMX_COMPONENT_LOADING_PENDING);
post_event(OMX_CommandStateSet, OMX_StateLoaded,
OMX_COMPONENT_GENERATE_EVENT);
} else {
DEBUG_PRINT_HIGH("in free buffer, release not done, need to free more buffers input %" PRIx64" output %" PRIx64,
m_out_bm_count, m_inp_bm_count);
}
}
return eRet;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: bool RecordDismissAndEmbargo(const GURL& url,
ContentSettingsType permission) {
return autoblocker_->RecordDismissAndEmbargo(url, permission);
}
CWE ID: CWE-125
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: PHP_RINIT_FUNCTION(pgsql)
{
PGG(default_link) = NULL;
PGG(num_links) = PGG(num_persistent);
return SUCCESS;
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static jboolean enableNative(JNIEnv* env, jobject obj) {
ALOGV("%s:",__FUNCTION__);
jboolean result = JNI_FALSE;
if (!sBluetoothInterface) return result;
int ret = sBluetoothInterface->enable();
result = (ret == BT_STATUS_SUCCESS || ret == BT_STATUS_DONE) ? JNI_TRUE : JNI_FALSE;
return result;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: SYSCALL_DEFINE2(kill, pid_t, pid, int, sig)
{
struct siginfo info;
info.si_signo = sig;
info.si_errno = 0;
info.si_code = SI_USER;
info.si_pid = task_tgid_vnr(current);
info.si_uid = current_uid();
return kill_something_info(sig, &info, pid);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
ext4_fsblk_t overhead = 0, resv_blocks;
u64 fsid;
s64 bfree;
resv_blocks = EXT4_C2B(sbi, atomic64_read(&sbi->s_resv_clusters));
if (!test_opt(sb, MINIX_DF))
overhead = sbi->s_overhead;
buf->f_type = EXT4_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = ext4_blocks_count(es) - EXT4_C2B(sbi, overhead);
bfree = percpu_counter_sum_positive(&sbi->s_freeclusters_counter) -
percpu_counter_sum_positive(&sbi->s_dirtyclusters_counter);
/* prevent underflow in case that few free space is available */
buf->f_bfree = EXT4_C2B(sbi, max_t(s64, bfree, 0));
buf->f_bavail = buf->f_bfree -
(ext4_r_blocks_count(es) + resv_blocks);
if (buf->f_bfree < (ext4_r_blocks_count(es) + resv_blocks))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT4_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
le64_to_cpup((void *)es->s_uuid + sizeof(u64));
buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
return 0;
}
CWE ID: CWE-362
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: MediaMetadataRetriever::MediaMetadataRetriever()
{
ALOGV("constructor");
const sp<IMediaPlayerService>& service(getService());
if (service == 0) {
ALOGE("failed to obtain MediaMetadataRetrieverService");
return;
}
sp<IMediaMetadataRetriever> retriever(service->createMetadataRetriever());
if (retriever == 0) {
ALOGE("failed to create IMediaMetadataRetriever object from server");
}
mRetriever = retriever;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: const SerializedResource* getResource(const char* url, const char* mimeType)
{
KURL kURL = KURL(m_baseUrl, url);
String mime(mimeType);
for (size_t i = 0; i < m_resources.size(); ++i) {
const SerializedResource& resource = m_resources[i];
if (resource.url == kURL && !resource.data->isEmpty()
&& (mime.isNull() || equalIgnoringCase(resource.mimeType, mime)))
return &resource;
}
return 0;
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static IW_INLINE iw_tmpsample linear_to_rec709_sample(iw_tmpsample v_linear)
{
if(v_linear < 0.020) {
return 4.5*v_linear;
}
return 1.099*pow(v_linear,0.45) - 0.099;
}
CWE ID: CWE-787
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
struct pipe_inode_info *opipe,
size_t len, unsigned int flags)
{
struct pipe_buffer *ibuf, *obuf;
int ret = 0, nbuf;
bool input_wakeup = false;
retry:
ret = ipipe_prep(ipipe, flags);
if (ret)
return ret;
ret = opipe_prep(opipe, flags);
if (ret)
return ret;
/*
* Potential ABBA deadlock, work around it by ordering lock
* grabbing by pipe info address. Otherwise two different processes
* could deadlock (one doing tee from A -> B, the other from B -> A).
*/
pipe_double_lock(ipipe, opipe);
do {
if (!opipe->readers) {
send_sig(SIGPIPE, current, 0);
if (!ret)
ret = -EPIPE;
break;
}
if (!ipipe->nrbufs && !ipipe->writers)
break;
/*
* Cannot make any progress, because either the input
* pipe is empty or the output pipe is full.
*/
if (!ipipe->nrbufs || opipe->nrbufs >= opipe->buffers) {
/* Already processed some buffers, break */
if (ret)
break;
if (flags & SPLICE_F_NONBLOCK) {
ret = -EAGAIN;
break;
}
/*
* We raced with another reader/writer and haven't
* managed to process any buffers. A zero return
* value means EOF, so retry instead.
*/
pipe_unlock(ipipe);
pipe_unlock(opipe);
goto retry;
}
ibuf = ipipe->bufs + ipipe->curbuf;
nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
obuf = opipe->bufs + nbuf;
if (len >= ibuf->len) {
/*
* Simply move the whole buffer from ipipe to opipe
*/
*obuf = *ibuf;
ibuf->ops = NULL;
opipe->nrbufs++;
ipipe->curbuf = (ipipe->curbuf + 1) & (ipipe->buffers - 1);
ipipe->nrbufs--;
input_wakeup = true;
} else {
/*
* Get a reference to this pipe buffer,
* so we can copy the contents over.
*/
pipe_buf_get(ipipe, ibuf);
*obuf = *ibuf;
/*
* Don't inherit the gift flag, we need to
* prevent multiple steals of this page.
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
obuf->len = len;
opipe->nrbufs++;
ibuf->offset += obuf->len;
ibuf->len -= obuf->len;
}
ret += obuf->len;
len -= obuf->len;
} while (len);
pipe_unlock(ipipe);
pipe_unlock(opipe);
/*
* If we put data in the output pipe, wakeup any potential readers.
*/
if (ret > 0)
wakeup_pipe_readers(opipe);
if (input_wakeup)
wakeup_pipe_writers(ipipe);
return ret;
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: DEFINE_RUN_ONCE_STATIC(ossl_init_engine_dynamic)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: "
"engine_load_dynamic_int()\n");
# endif
engine_load_dynamic_int();
return 1;
}
CWE ID: CWE-330
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: xsltGetQNameProperty(xsltStylesheetPtr style, xmlNodePtr inst,
const xmlChar *propName,
int mandatory,
int *hasProp, const xmlChar **nsName,
const xmlChar** localName)
{
const xmlChar *prop;
if (nsName)
*nsName = NULL;
if (localName)
*localName = NULL;
if (hasProp)
*hasProp = 0;
prop = xsltGetCNsProp(style, inst, propName, XSLT_NAMESPACE);
if (prop == NULL) {
if (mandatory) {
xsltTransformError(NULL, style, inst,
"The attribute '%s' is missing.\n", propName);
style->errors++;
return;
}
} else {
const xmlChar *URI;
if (xmlValidateQName(prop, 0)) {
xsltTransformError(NULL, style, inst,
"The value '%s' of the attribute "
"'%s' is not a valid QName.\n", prop, propName);
style->errors++;
return;
} else {
/*
* @prop will be in the string dict afterwards, @URI not.
*/
URI = xsltGetQNameURI2(style, inst, &prop);
if (prop == NULL) {
style->errors++;
} else {
*localName = prop;
if (hasProp)
*hasProp = 1;
if (URI != NULL) {
/*
* Fixes bug #308441: Put the ns-name in the dict
* in order to pointer compare names during XPath's
* variable lookup.
*/
if (nsName)
*nsName = xmlDictLookup(style->dict, URI, -1);
/* comp->has_ns = 1; */
}
}
}
}
return;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int persistent_prepare_exception(struct dm_exception_store *store,
struct dm_exception *e)
{
struct pstore *ps = get_info(store);
uint32_t stride;
chunk_t next_free;
sector_t size = get_dev_size(dm_snap_cow(store->snap)->bdev);
/* Is there enough room ? */
if (size < ((ps->next_free + 1) * store->chunk_size))
return -ENOSPC;
e->new_chunk = ps->next_free;
/*
* Move onto the next free pending, making sure to take
* into account the location of the metadata chunks.
*/
stride = (ps->exceptions_per_area + 1);
next_free = ++ps->next_free;
if (sector_div(next_free, stride) == 1)
ps->next_free++;
atomic_inc(&ps->pending_count);
return 0;
}
CWE ID: CWE-264
Target: 1
Example 2:
Code: net::Error NavigationRequest::CheckCSPDirectives(
RenderFrameHostImpl* parent,
bool is_redirect,
bool url_upgraded_after_redirect,
bool is_response_check,
CSPContext::CheckCSPDisposition disposition) {
bool navigate_to_allowed = IsAllowedByCSPDirective(
initiator_csp_context_.get(), CSPDirective::NavigateTo, is_redirect,
url_upgraded_after_redirect, is_response_check, disposition);
bool frame_src_allowed = true;
if (parent) {
frame_src_allowed = IsAllowedByCSPDirective(
parent, CSPDirective::FrameSrc, is_redirect,
url_upgraded_after_redirect, is_response_check, disposition);
}
if (navigate_to_allowed && frame_src_allowed)
return net::OK;
if (!frame_src_allowed)
return net::ERR_BLOCKED_BY_CLIENT;
return net::ERR_ABORTED;
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Browser::OpenBugReportDialog() {
UserMetrics::RecordAction(UserMetricsAction("ReportBug"));
browser::ShowHtmlBugReportView(this, std::string(), 0);
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void webkit_web_view_update_settings(WebKitWebView* webView)
{
WebKitWebViewPrivate* priv = webView->priv;
WebKitWebSettings* webSettings = priv->webSettings.get();
Settings* settings = core(webView)->settings();
gchar* defaultEncoding, *cursiveFontFamily, *defaultFontFamily, *fantasyFontFamily, *monospaceFontFamily, *sansSerifFontFamily, *serifFontFamily, *userStylesheetUri, *defaultSpellCheckingLanguages;
gboolean autoLoadImages, autoShrinkImages, printBackgrounds,
enableScripts, enablePlugins, enableDeveloperExtras, resizableTextAreas,
enablePrivateBrowsing, enableCaretBrowsing, enableHTML5Database, enableHTML5LocalStorage,
enableXSSAuditor, enableSpatialNavigation, enableFrameFlattening, javascriptCanOpenWindows,
javaScriptCanAccessClipboard, enableOfflineWebAppCache,
enableUniversalAccessFromFileURI, enableFileAccessFromFileURI,
enableDOMPaste, tabKeyCyclesThroughElements, enableWebGL,
enableSiteSpecificQuirks, usePageCache, enableJavaApplet,
enableHyperlinkAuditing, enableFullscreen, enableDNSPrefetching;
WebKitEditingBehavior editingBehavior;
g_object_get(webSettings,
"default-encoding", &defaultEncoding,
"cursive-font-family", &cursiveFontFamily,
"default-font-family", &defaultFontFamily,
"fantasy-font-family", &fantasyFontFamily,
"monospace-font-family", &monospaceFontFamily,
"sans-serif-font-family", &sansSerifFontFamily,
"serif-font-family", &serifFontFamily,
"auto-load-images", &autoLoadImages,
"auto-shrink-images", &autoShrinkImages,
"print-backgrounds", &printBackgrounds,
"enable-scripts", &enableScripts,
"enable-plugins", &enablePlugins,
"resizable-text-areas", &resizableTextAreas,
"user-stylesheet-uri", &userStylesheetUri,
"enable-developer-extras", &enableDeveloperExtras,
"enable-private-browsing", &enablePrivateBrowsing,
"enable-caret-browsing", &enableCaretBrowsing,
"enable-html5-database", &enableHTML5Database,
"enable-html5-local-storage", &enableHTML5LocalStorage,
"enable-xss-auditor", &enableXSSAuditor,
"enable-spatial-navigation", &enableSpatialNavigation,
"enable-frame-flattening", &enableFrameFlattening,
"javascript-can-open-windows-automatically", &javascriptCanOpenWindows,
"javascript-can-access-clipboard", &javaScriptCanAccessClipboard,
"enable-offline-web-application-cache", &enableOfflineWebAppCache,
"editing-behavior", &editingBehavior,
"enable-universal-access-from-file-uris", &enableUniversalAccessFromFileURI,
"enable-file-access-from-file-uris", &enableFileAccessFromFileURI,
"enable-dom-paste", &enableDOMPaste,
"tab-key-cycles-through-elements", &tabKeyCyclesThroughElements,
"enable-site-specific-quirks", &enableSiteSpecificQuirks,
"enable-page-cache", &usePageCache,
"enable-java-applet", &enableJavaApplet,
"enable-hyperlink-auditing", &enableHyperlinkAuditing,
"spell-checking-languages", &defaultSpellCheckingLanguages,
"enable-fullscreen", &enableFullscreen,
"enable-dns-prefetching", &enableDNSPrefetching,
"enable-webgl", &enableWebGL,
NULL);
settings->setDefaultTextEncodingName(defaultEncoding);
settings->setCursiveFontFamily(cursiveFontFamily);
settings->setStandardFontFamily(defaultFontFamily);
settings->setFantasyFontFamily(fantasyFontFamily);
settings->setFixedFontFamily(monospaceFontFamily);
settings->setSansSerifFontFamily(sansSerifFontFamily);
settings->setSerifFontFamily(serifFontFamily);
settings->setLoadsImagesAutomatically(autoLoadImages);
settings->setShrinksStandaloneImagesToFit(autoShrinkImages);
settings->setShouldPrintBackgrounds(printBackgrounds);
settings->setJavaScriptEnabled(enableScripts);
settings->setPluginsEnabled(enablePlugins);
settings->setTextAreasAreResizable(resizableTextAreas);
settings->setUserStyleSheetLocation(KURL(KURL(), userStylesheetUri));
settings->setDeveloperExtrasEnabled(enableDeveloperExtras);
settings->setPrivateBrowsingEnabled(enablePrivateBrowsing);
settings->setCaretBrowsingEnabled(enableCaretBrowsing);
#if ENABLE(DATABASE)
AbstractDatabase::setIsAvailable(enableHTML5Database);
#endif
settings->setLocalStorageEnabled(enableHTML5LocalStorage);
settings->setXSSAuditorEnabled(enableXSSAuditor);
settings->setSpatialNavigationEnabled(enableSpatialNavigation);
settings->setFrameFlatteningEnabled(enableFrameFlattening);
settings->setJavaScriptCanOpenWindowsAutomatically(javascriptCanOpenWindows);
settings->setJavaScriptCanAccessClipboard(javaScriptCanAccessClipboard);
settings->setOfflineWebApplicationCacheEnabled(enableOfflineWebAppCache);
settings->setEditingBehaviorType(static_cast<WebCore::EditingBehaviorType>(editingBehavior));
settings->setAllowUniversalAccessFromFileURLs(enableUniversalAccessFromFileURI);
settings->setAllowFileAccessFromFileURLs(enableFileAccessFromFileURI);
settings->setDOMPasteAllowed(enableDOMPaste);
settings->setNeedsSiteSpecificQuirks(enableSiteSpecificQuirks);
settings->setUsesPageCache(usePageCache);
settings->setJavaEnabled(enableJavaApplet);
settings->setHyperlinkAuditingEnabled(enableHyperlinkAuditing);
settings->setDNSPrefetchingEnabled(enableDNSPrefetching);
#if ENABLE(FULLSCREEN_API)
settings->setFullScreenEnabled(enableFullscreen);
#endif
#if ENABLE(SPELLCHECK)
WebKit::EditorClient* client = static_cast<WebKit::EditorClient*>(core(webView)->editorClient());
static_cast<WebKit::TextCheckerClientEnchant*>(client->textChecker())->updateSpellCheckingLanguage(defaultSpellCheckingLanguages);
#endif
#if ENABLE(WEBGL)
settings->setWebGLEnabled(enableWebGL);
#endif
Page* page = core(webView);
if (page)
page->setTabKeyCyclesThroughElements(tabKeyCyclesThroughElements);
g_free(defaultEncoding);
g_free(cursiveFontFamily);
g_free(defaultFontFamily);
g_free(fantasyFontFamily);
g_free(monospaceFontFamily);
g_free(sansSerifFontFamily);
g_free(serifFontFamily);
g_free(userStylesheetUri);
webkit_web_view_screen_changed(GTK_WIDGET(webView), NULL);
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: ModuleExport size_t RegisterCINImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("CIN");
entry->decoder=(DecodeImageHandler *) ReadCINImage;
entry->encoder=(EncodeImageHandler *) WriteCINImage;
entry->magick=(IsImageFormatHandler *) IsCIN;
entry->adjoin=MagickFalse;
entry->description=ConstantString("Cineon Image File");
entry->module=ConstantString("CIN");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Browser::ProcessPendingUIUpdates() {
#ifndef NDEBUG
for (UpdateMap::const_iterator i = scheduled_updates_.begin();
i != scheduled_updates_.end(); ++i) {
bool found = false;
for (int tab = 0; tab < tab_count(); tab++) {
if (GetTabContentsAt(tab) == i->first) {
found = true;
break;
}
}
DCHECK(found);
}
#endif
chrome_updater_factory_.RevokeAll();
for (UpdateMap::const_iterator i = scheduled_updates_.begin();
i != scheduled_updates_.end(); ++i) {
const TabContents* contents = i->first;
unsigned flags = i->second;
if (contents == GetSelectedTabContents()) {
if (flags & TabContents::INVALIDATE_PAGE_ACTIONS)
window()->GetLocationBar()->UpdatePageActions();
if (flags & TabContents::INVALIDATE_LOAD && GetStatusBubble())
GetStatusBubble()->SetStatus(contents->GetStatusText());
if (flags & (TabContents::INVALIDATE_TAB |
TabContents::INVALIDATE_TITLE)) {
#if !defined(OS_MACOSX)
command_updater_.UpdateCommandEnabled(IDC_CREATE_SHORTCUTS,
web_app::IsValidUrl(contents->GetURL()));
#endif
window_->UpdateTitleBar();
}
}
if (flags & (TabContents::INVALIDATE_TAB | TabContents::INVALIDATE_TITLE)) {
tab_handler_->GetTabStripModel()->UpdateTabContentsStateAt(
tab_handler_->GetTabStripModel()->GetWrapperIndex(contents),
TabStripModelObserver::ALL);
}
}
scheduled_updates_.clear();
}
CWE ID: CWE-20
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void WebsiteSettings::OnUIClosing() {
if (show_info_bar_)
WebsiteSettingsInfoBarDelegate::Create(infobar_service_);
SSLCertificateDecisionsDidRevoke user_decision =
did_revoke_user_ssl_decisions_ ? USER_CERT_DECISIONS_REVOKED
: USER_CERT_DECISIONS_NOT_REVOKED;
UMA_HISTOGRAM_ENUMERATION("interstitial.ssl.did_user_revoke_decisions",
user_decision,
END_OF_SSL_CERTIFICATE_DECISIONS_DID_REVOKE_ENUM);
}
CWE ID:
Target: 1
Example 2:
Code: static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr)
{
addr &= ~1; /* XXX: check exact behaviour if not even */
if (addr < 32
|| (addr >= NE2000_PMEM_START
&& addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) {
return ldl_le_p(s->mem + addr);
} else {
return 0xffffffff;
}
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: SQLWCHAR* _multi_string_alloc_and_expand( LPCSTR in )
{
SQLWCHAR *chr;
int len = 0;
if ( !in )
{
return in;
}
while ( in[ len ] != 0 || in[ len + 1 ] != 0 )
{
len ++;
}
chr = malloc(sizeof( SQLWCHAR ) * ( len + 2 ));
len = 0;
while ( in[ len ] != 0 || in[ len + 1 ] != 0 )
{
chr[ len ] = in[ len ];
len ++;
}
chr[ len ++ ] = 0;
chr[ len ++ ] = 0;
return chr;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static char* get_private_subtags(const char* loc_name)
{
char* result =NULL;
int singletonPos = 0;
int len =0;
const char* mod_loc_name =NULL;
if( loc_name && (len = strlen(loc_name)>0 ) ){
mod_loc_name = loc_name ;
len = strlen(mod_loc_name);
while( (singletonPos = getSingletonPos(mod_loc_name))!= -1){
if( singletonPos!=-1){
if( (*(mod_loc_name+singletonPos)=='x') || (*(mod_loc_name+singletonPos)=='X') ){
/* private subtag start found */
if( singletonPos + 2 == len){
/* loc_name ends with '-x-' ; return NULL */
}
else{
/* result = mod_loc_name + singletonPos +2; */
result = estrndup(mod_loc_name + singletonPos+2 , (len -( singletonPos +2) ) );
}
break;
}
else{
if( singletonPos + 1 >= len){
/* String end */
break;
} else {
/* singleton found but not a private subtag , hence check further in the string for the private subtag */
mod_loc_name = mod_loc_name + singletonPos +1;
len = strlen(mod_loc_name);
}
}
}
} /* end of while */
}
return result;
}
CWE ID: CWE-125
Target: 1
Example 2:
Code: int ShellWindowFrameView::NonClientHitTest(const gfx::Point& point) {
if (frame_->IsFullscreen())
return HTCLIENT;
#if defined(USE_ASH)
gfx::Rect expanded_bounds = bounds();
int outside_bounds = ui::GetDisplayLayout() == ui::LAYOUT_TOUCH ?
kResizeOutsideBoundsSizeTouch :
kResizeOutsideBoundsSize;
expanded_bounds.Inset(-outside_bounds, -outside_bounds);
if (!expanded_bounds.Contains(point))
return HTNOWHERE;
#endif
bool can_ever_resize = frame_->widget_delegate() ?
frame_->widget_delegate()->CanResize() :
false;
int resize_border =
frame_->IsMaximized() || frame_->IsFullscreen() ? 0 :
kResizeInsideBoundsSize;
int frame_component = GetHTComponentForFrame(point,
resize_border,
resize_border,
kResizeAreaCornerSize,
kResizeAreaCornerSize,
can_ever_resize);
if (frame_component != HTNOWHERE)
return frame_component;
int client_component = frame_->client_view()->NonClientHitTest(point);
if (client_component != HTNOWHERE)
return client_component;
if (close_button_->visible() &&
close_button_->GetMirroredBounds().Contains(point))
return HTCLOSE;
return HTCAPTION;
}
CWE ID: CWE-79
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
{
int rc;
struct kvec *iov = rqst->rq_iov;
int n_vec = rqst->rq_nvec;
unsigned int smb_buf_length = get_rfc1002_length(iov[0].iov_base);
unsigned int i;
size_t total_len = 0, sent;
struct socket *ssocket = server->ssocket;
int val = 1;
cFYI(1, "Sending smb: smb_len=%u", smb_buf_length);
dump_smb(iov[0].iov_base, iov[0].iov_len);
/* cork the socket */
kernel_setsockopt(ssocket, SOL_TCP, TCP_CORK,
(char *)&val, sizeof(val));
rc = smb_send_kvec(server, iov, n_vec, &sent);
if (rc < 0)
goto uncork;
total_len += sent;
/* now walk the page array and send each page in it */
for (i = 0; i < rqst->rq_npages; i++) {
struct kvec p_iov;
cifs_rqst_page_to_kvec(rqst, i, &p_iov);
rc = smb_send_kvec(server, &p_iov, 1, &sent);
kunmap(rqst->rq_pages[i]);
if (rc < 0)
break;
total_len += sent;
}
uncork:
/* uncork it */
val = 0;
kernel_setsockopt(ssocket, SOL_TCP, TCP_CORK,
(char *)&val, sizeof(val));
if ((total_len > 0) && (total_len != smb_buf_length + 4)) {
cFYI(1, "partial send (wanted=%u sent=%zu): terminating "
"session", smb_buf_length + 4, total_len);
/*
* If we have only sent part of an SMB then the next SMB could
* be taken as the remainder of this one. We need to kill the
* socket so the server throws away the partial SMB
*/
server->tcpStatus = CifsNeedReconnect;
}
if (rc < 0 && rc != -EINTR)
cERROR(1, "Error %d sending data on socket to server", rc);
else
rc = 0;
return rc;
}
CWE ID: CWE-362
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void NetworkHandler::ClearBrowserCookies(
std::unique_ptr<ClearBrowserCookiesCallback> callback) {
if (!process_) {
callback->sendFailure(Response::InternalError());
return;
}
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::BindOnce(
&ClearCookiesOnIO,
base::Unretained(
process_->GetStoragePartition()->GetURLRequestContext()),
std::move(callback)));
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: PassRefPtr<ExecutableMemoryHandle> ExecutableAllocator::allocate(JSGlobalData& globalData, size_t sizeInBytes, void* ownerUID, JITCompilationEffort effort)
{
RefPtr<ExecutableMemoryHandle> result = allocator->allocate(sizeInBytes, ownerUID);
if (!result) {
if (effort == JITCompilationCanFail)
return result;
releaseExecutableMemory(globalData);
result = allocator->allocate(sizeInBytes, ownerUID);
if (!result)
CRASH();
}
return result.release();
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void SetDefaultX11ErrorHandlers() {
SetX11ErrorHandlers(NULL, NULL);
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void LaunchServiceProcessControl(bool wait) {
ServiceProcessControl::GetInstance()->Launch(
base::Bind(&ServiceProcessControlBrowserTest::ProcessControlLaunched,
base::Unretained(this)),
base::Bind(
&ServiceProcessControlBrowserTest::ProcessControlLaunchFailed,
base::Unretained(this)));
if (wait)
content::RunMessageLoop();
}
CWE ID: CWE-94
Target: 1
Example 2:
Code: const char *security_get_initial_sid_context(u32 sid)
{
if (unlikely(sid > SECINITSID_NUM))
return NULL;
return initial_sid_to_string[sid];
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int oz_plat_probe(struct platform_device *dev)
{
int i;
int err;
struct usb_hcd *hcd;
struct oz_hcd *ozhcd;
hcd = usb_create_hcd(&g_oz_hc_drv, &dev->dev, dev_name(&dev->dev));
if (hcd == NULL) {
oz_dbg(ON, "Failed to created hcd object OK\n");
return -ENOMEM;
}
ozhcd = oz_hcd_private(hcd);
memset(ozhcd, 0, sizeof(*ozhcd));
INIT_LIST_HEAD(&ozhcd->urb_pending_list);
INIT_LIST_HEAD(&ozhcd->urb_cancel_list);
INIT_LIST_HEAD(&ozhcd->orphanage);
ozhcd->hcd = hcd;
ozhcd->conn_port = -1;
spin_lock_init(&ozhcd->hcd_lock);
for (i = 0; i < OZ_NB_PORTS; i++) {
struct oz_port *port = &ozhcd->ports[i];
port->ozhcd = ozhcd;
port->flags = 0;
port->status = 0;
port->bus_addr = 0xff;
spin_lock_init(&port->port_lock);
}
err = usb_add_hcd(hcd, 0, 0);
if (err) {
oz_dbg(ON, "Failed to add hcd object OK\n");
usb_put_hcd(hcd);
return -1;
}
device_wakeup_enable(hcd->self.controller);
spin_lock_bh(&g_hcdlock);
g_ozhcd = ozhcd;
spin_unlock_bh(&g_hcdlock);
return 0;
}
CWE ID: CWE-189
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static PHP_FUNCTION(readgzfile)
{
char *filename;
int filename_len;
int flags = REPORT_ERRORS;
php_stream *stream;
int size;
long use_include_path = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
if (use_include_path) {
flags |= USE_PATH;
}
stream = php_stream_gzopen(NULL, filename, "rb", flags, NULL, NULL STREAMS_CC TSRMLS_CC);
if (!stream) {
RETURN_FALSE;
}
size = php_stream_passthru(stream);
php_stream_close(stream);
RETURN_LONG(size);
}
CWE ID: CWE-254
Target: 1
Example 2:
Code: void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head))
{
struct ipc_rcu *p = ((struct ipc_rcu *)ptr) - 1;
if (!atomic_dec_and_test(&p->refcount))
return;
call_rcu(&p->rcu, func);
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void cvarinit(JF, js_Ast *list)
{
while (list) {
js_Ast *var = list->a;
if (var->b) {
cexp(J, F, var->b);
emitline(J, F, var);
emitlocal(J, F, OP_SETLOCAL, OP_SETVAR, var->a);
emit(J, F, OP_POP);
}
list = list->b;
}
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: HeapVector<NotificationAction> Notification::actions() const
{
HeapVector<NotificationAction> actions;
actions.grow(m_data.actions.size());
for (size_t i = 0; i < m_data.actions.size(); ++i) {
actions[i].setAction(m_data.actions[i].action);
actions[i].setTitle(m_data.actions[i].title);
}
return actions;
}
CWE ID:
Target: 1
Example 2:
Code: int __init ip_rt_init(void)
{
int rc = 0;
ip_idents = kmalloc(IP_IDENTS_SZ * sizeof(*ip_idents), GFP_KERNEL);
if (!ip_idents)
panic("IP: failed to allocate ip_idents\n");
prandom_bytes(ip_idents, IP_IDENTS_SZ * sizeof(*ip_idents));
#ifdef CONFIG_IP_ROUTE_CLASSID
ip_rt_acct = __alloc_percpu(256 * sizeof(struct ip_rt_acct), __alignof__(struct ip_rt_acct));
if (!ip_rt_acct)
panic("IP: failed to allocate ip_rt_acct\n");
#endif
ipv4_dst_ops.kmem_cachep =
kmem_cache_create("ip_dst_cache", sizeof(struct rtable), 0,
SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
ipv4_dst_blackhole_ops.kmem_cachep = ipv4_dst_ops.kmem_cachep;
if (dst_entries_init(&ipv4_dst_ops) < 0)
panic("IP: failed to allocate ipv4_dst_ops counter\n");
if (dst_entries_init(&ipv4_dst_blackhole_ops) < 0)
panic("IP: failed to allocate ipv4_dst_blackhole_ops counter\n");
ipv4_dst_ops.gc_thresh = ~0;
ip_rt_max_size = INT_MAX;
devinet_init();
ip_fib_init();
if (ip_rt_proc_init())
pr_err("Unable to create route proc files\n");
#ifdef CONFIG_XFRM
xfrm_init();
xfrm4_init();
#endif
rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
#ifdef CONFIG_SYSCTL
register_pernet_subsys(&sysctl_route_ops);
#endif
register_pernet_subsys(&rt_genid_ops);
register_pernet_subsys(&ipv4_inetpeer_ops);
return rc;
}
CWE ID: CWE-17
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: bool RenderWidgetHostImpl::ScheduleComposite() {
if (is_hidden_ || current_size_.IsEmpty() || repaint_ack_pending_ ||
resize_ack_pending_) {
return false;
}
repaint_start_time_ = TimeTicks::Now();
repaint_ack_pending_ = true;
TRACE_EVENT_ASYNC_BEGIN0(
"renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
Send(new ViewMsg_Repaint(routing_id_, current_size_));
return true;
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: wiki_handle_http_request(HttpRequest *req)
{
HttpResponse *res = http_response_new(req);
char *page = http_request_get_path_info(req);
char *command = http_request_get_query_string(req);
char *wikitext = "";
util_dehttpize(page); /* remove any encoding on the requested
page name. */
if (!strcmp(page, "/"))
{
if (access("WikiHome", R_OK) != 0)
wiki_redirect(res, "/WikiHome?create");
page = "/WikiHome";
}
if (!strcmp(page, "/styles.css"))
{
/* Return CSS page */
http_response_set_content_type(res, "text/css");
http_response_printf(res, "%s", CssData);
http_response_send(res);
exit(0);
}
if (!strcmp(page, "/favicon.ico"))
{
/* Return favicon */
http_response_set_content_type(res, "image/ico");
http_response_set_data(res, FaviconData, FaviconDataLen);
http_response_send(res);
exit(0);
}
page = page + 1; /* skip slash */
if (!strncmp(page, "api/", 4))
{
char *p;
page += 4;
for (p=page; *p != '\0'; p++)
if (*p=='?') { *p ='\0'; break; }
wiki_handle_rest_call(req, res, page);
exit(0);
}
/* A little safety. issue a malformed request for any paths,
* There shouldn't need to be any..
*/
if (strchr(page, '/'))
{
http_response_set_status(res, 404, "Not Found");
http_response_printf(res, "<html><body>404 Not Found</body></html>\n");
http_response_send(res);
exit(0);
}
if (!strcmp(page, "Changes"))
{
wiki_show_changes_page(res);
}
else if (!strcmp(page, "ChangesRss"))
{
wiki_show_changes_page_rss(res);
}
else if (!strcmp(page, "Search"))
{
wiki_show_search_results_page(res, http_request_param_get(req, "expr"));
}
else if (!strcmp(page, "Create"))
{
if ( (wikitext = http_request_param_get(req, "title")) != NULL)
{
/* create page and redirect */
wiki_redirect(res, http_request_param_get(req, "title"));
}
else
{
/* show create page form */
wiki_show_create_page(res);
}
}
else
{
/* TODO: dont blindly write wikitext data to disk */
if ( (wikitext = http_request_param_get(req, "wikitext")) != NULL)
{
file_write(page, wikitext);
}
if (access(page, R_OK) == 0) /* page exists */
{
wikitext = file_read(page);
if (!strcmp(command, "edit"))
{
/* print edit page */
wiki_show_edit_page(res, wikitext, page);
}
else
{
wiki_show_page(res, wikitext, page);
}
}
else
{
if (!strcmp(command, "create"))
{
wiki_show_edit_page(res, NULL, page);
}
else
{
char buf[1024];
snprintf(buf, 1024, "%s?create", page);
wiki_redirect(res, buf);
}
}
}
}
CWE ID: CWE-22
Target: 1
Example 2:
Code: int test_gf2m_mod(BIO *bp)
{
BIGNUM *a, *b[2], *c, *d, *e;
int i, j, ret = 0;
int p0[] = { 163, 7, 6, 3, 0, -1 };
int p1[] = { 193, 15, 0, -1 };
a = BN_new();
b[0] = BN_new();
b[1] = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
BN_GF2m_arr2poly(p0, b[0]);
BN_GF2m_arr2poly(p1, b[1]);
for (i = 0; i < num0; i++) {
BN_bntest_rand(a, 1024, 0, 0);
for (j = 0; j < 2; j++) {
BN_GF2m_mod(c, a, b[j]);
# if 0 /* make test uses ouput in bc but bc can't
* handle GF(2^m) arithmetic */
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " % ");
BN_print(bp, b[j]);
BIO_puts(bp, " - ");
BN_print(bp, c);
BIO_puts(bp, "\n");
}
}
# endif
BN_GF2m_add(d, a, c);
BN_GF2m_mod(e, d, b[j]);
/* Test that a + (a mod p) mod p == 0. */
if (!BN_is_zero(e)) {
fprintf(stderr, "GF(2^m) modulo test failed!\n");
goto err;
}
}
}
ret = 1;
err:
BN_free(a);
BN_free(b[0]);
BN_free(b[1]);
BN_free(c);
BN_free(d);
BN_free(e);
return ret;
}
CWE ID: CWE-200
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void WT_VoiceFilter (S_FILTER_CONTROL *pFilter, S_WT_INT_FRAME *pWTIntFrame)
{
EAS_PCM *pAudioBuffer;
EAS_I32 k;
EAS_I32 b1;
EAS_I32 b2;
EAS_I32 z1;
EAS_I32 z2;
EAS_I32 acc0;
EAS_I32 acc1;
EAS_I32 numSamples;
/* initialize some local variables */
numSamples = pWTIntFrame->numSamples;
if (numSamples <= 0) {
ALOGE("b/26366256");
return;
}
pAudioBuffer = pWTIntFrame->pAudioBuffer;
z1 = pFilter->z1;
z2 = pFilter->z2;
b1 = -pWTIntFrame->frame.b1;
/*lint -e{702} <avoid divide> */
b2 = -pWTIntFrame->frame.b2 >> 1;
/*lint -e{702} <avoid divide> */
k = pWTIntFrame->frame.k >> 1;
while (numSamples--)
{
/* do filter calculations */
acc0 = *pAudioBuffer;
acc1 = z1 * b1;
acc1 += z2 * b2;
acc0 = acc1 + k * acc0;
z2 = z1;
/*lint -e{702} <avoid divide> */
z1 = acc0 >> 14;
*pAudioBuffer++ = (EAS_I16) z1;
}
/* save delay values */
pFilter->z1 = (EAS_I16) z1;
pFilter->z2 = (EAS_I16) z2;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 *buf = dev->in_out_buffer;
int ret;
mutex_lock(&dev->lock);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_CONFIG_LENGTH) {
hid_err(hdev, "error requesting GPIO config: %d\n", ret);
goto exit;
}
buf[1] &= ~(1 << offset);
buf[2] = gpio_push_pull;
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
if (ret < 0) {
hid_err(hdev, "error setting GPIO config: %d\n", ret);
goto exit;
}
ret = 0;
exit:
mutex_unlock(&dev->lock);
return ret <= 0 ? ret : -EIO;
}
CWE ID: CWE-388
Target: 1
Example 2:
Code: void open_logs(void)
{
int access_log;
/* if error_log_name is set, dup2 stderr to it */
/* otherwise, leave stderr alone */
/* we don't want to tie stderr to /dev/null */
if (error_log_name) {
int error_log;
/* open the log file */
error_log = open_gen_fd(error_log_name);
if (error_log < 0) {
DIE("unable to open error log");
}
/* redirect stderr to error_log */
if (dup2(error_log, STDERR_FILENO) == -1) {
DIE("unable to dup2 the error log");
}
close(error_log);
}
if (access_log_name) {
access_log = open_gen_fd(access_log_name);
} else {
access_log = open("/dev/null", 0);
}
if (access_log < 0) {
DIE("unable to open access log");
}
if (dup2(access_log, STDOUT_FILENO) == -1) {
DIE("can't dup2 /dev/null to STDOUT_FILENO");
}
if (fcntl(access_log, F_SETFD, 1) == -1) {
DIE("unable to set close-on-exec flag for access_log");
}
close(access_log);
if (cgi_log_name) {
cgi_log_fd = open_gen_fd(cgi_log_name);
if (cgi_log_fd == -1) {
WARN("open cgi_log");
free(cgi_log_name);
cgi_log_name = NULL;
cgi_log_fd = 0;
} else {
if (fcntl(cgi_log_fd, F_SETFD, 1) == -1) {
WARN("unable to set close-on-exec flag for cgi_log");
free(cgi_log_name);
cgi_log_name = NULL;
close(cgi_log_fd);
cgi_log_fd = 0;
}
}
}
#ifdef SETVBUF_REVERSED
setvbuf(stderr, _IONBF, (char *) NULL, 0);
setvbuf(stdout, _IOLBF, (char *) NULL, 0);
#else
setvbuf(stderr, (char *) NULL, _IONBF, 0);
setvbuf(stdout, (char *) NULL, _IOLBF, 0);
#endif
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: load_fake(png_charp param, png_bytepp profile)
{
char *endptr = NULL;
unsigned long long int size = strtoull(param, &endptr, 0/*base*/);
/* The 'fake' format is <number>*[string] */
if (endptr != NULL && *endptr == '*')
{
size_t len = strlen(++endptr);
size_t result = (size_t)size;
if (len == 0) len = 1; /* capture the terminating '\0' */
/* Now repeat that string to fill 'size' bytes. */
if (result == size && (*profile = malloc(result)) != NULL)
{
png_bytep out = *profile;
if (len == 1)
memset(out, *endptr, result);
else
{
while (size >= len)
{
memcpy(out, endptr, len);
out += len;
size -= len;
}
memcpy(out, endptr, size);
}
return result;
}
else
{
fprintf(stderr, "%s: size exceeds system limits\n", param);
exit(1);
}
}
return 0;
}
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int mif_process_cmpt(mif_hdr_t *hdr, char *buf)
{
jas_tvparser_t *tvp;
mif_cmpt_t *cmpt;
int id;
cmpt = 0;
tvp = 0;
if (!(cmpt = mif_cmpt_create())) {
goto error;
}
cmpt->tlx = 0;
cmpt->tly = 0;
cmpt->sampperx = 0;
cmpt->samppery = 0;
cmpt->width = 0;
cmpt->height = 0;
cmpt->prec = 0;
cmpt->sgnd = -1;
cmpt->data = 0;
if (!(tvp = jas_tvparser_create(buf))) {
goto error;
}
while (!(id = jas_tvparser_next(tvp))) {
switch (jas_taginfo_nonull(jas_taginfos_lookup(mif_tags,
jas_tvparser_gettag(tvp)))->id) {
case MIF_TLX:
cmpt->tlx = atoi(jas_tvparser_getval(tvp));
break;
case MIF_TLY:
cmpt->tly = atoi(jas_tvparser_getval(tvp));
break;
case MIF_WIDTH:
cmpt->width = atoi(jas_tvparser_getval(tvp));
break;
case MIF_HEIGHT:
cmpt->height = atoi(jas_tvparser_getval(tvp));
break;
case MIF_HSAMP:
cmpt->sampperx = atoi(jas_tvparser_getval(tvp));
break;
case MIF_VSAMP:
cmpt->samppery = atoi(jas_tvparser_getval(tvp));
break;
case MIF_PREC:
cmpt->prec = atoi(jas_tvparser_getval(tvp));
break;
case MIF_SGND:
cmpt->sgnd = atoi(jas_tvparser_getval(tvp));
break;
case MIF_DATA:
if (!(cmpt->data = jas_strdup(jas_tvparser_getval(tvp)))) {
return -1;
}
break;
}
}
jas_tvparser_destroy(tvp);
if (!cmpt->sampperx || !cmpt->samppery) {
goto error;
}
if (mif_hdr_addcmpt(hdr, hdr->numcmpts, cmpt)) {
goto error;
}
return 0;
error:
if (cmpt) {
mif_cmpt_destroy(cmpt);
}
if (tvp) {
jas_tvparser_destroy(tvp);
}
return -1;
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
int node, int cmd_size)
{
struct blk_flush_queue *fq;
int rq_sz = sizeof(struct request);
fq = kzalloc_node(sizeof(*fq), GFP_KERNEL, node);
if (!fq)
goto fail;
if (q->mq_ops) {
spin_lock_init(&fq->mq_flush_lock);
rq_sz = round_up(rq_sz + cmd_size, cache_line_size());
}
fq->flush_rq = kzalloc_node(rq_sz, GFP_KERNEL, node);
if (!fq->flush_rq)
goto fail_rq;
INIT_LIST_HEAD(&fq->flush_queue[0]);
INIT_LIST_HEAD(&fq->flush_queue[1]);
INIT_LIST_HEAD(&fq->flush_data_in_flight);
return fq;
fail_rq:
kfree(fq);
fail:
return NULL;
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void QQuickWebView::mouseReleaseEvent(QMouseEvent* event)
{
Q_D(QQuickWebView);
d->handleMouseEvent(event);
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void cmd_parse_status(struct ImapData *idata, char *s)
{
char *value = NULL;
struct Buffy *inc = NULL;
struct ImapMbox mx;
struct ImapStatus *status = NULL;
unsigned int olduv, oldun;
unsigned int litlen;
short new = 0;
short new_msg_count = 0;
char *mailbox = imap_next_word(s);
/* We need a real tokenizer. */
if (imap_get_literal_count(mailbox, &litlen) == 0)
{
if (imap_cmd_step(idata) != IMAP_CMD_CONTINUE)
{
idata->status = IMAP_FATAL;
return;
}
mailbox = idata->buf;
s = mailbox + litlen;
*s = '\0';
s++;
SKIPWS(s);
}
else
{
s = imap_next_word(mailbox);
*(s - 1) = '\0';
imap_unmunge_mbox_name(idata, mailbox);
}
status = imap_mboxcache_get(idata, mailbox, 1);
olduv = status->uidvalidity;
oldun = status->uidnext;
if (*s++ != '(')
{
mutt_debug(1, "Error parsing STATUS\n");
return;
}
while (*s && *s != ')')
{
value = imap_next_word(s);
errno = 0;
const unsigned long ulcount = strtoul(value, &value, 10);
if (((errno == ERANGE) && (ulcount == ULONG_MAX)) || ((unsigned int) ulcount != ulcount))
{
mutt_debug(1, "Error parsing STATUS number\n");
return;
}
const unsigned int count = (unsigned int) ulcount;
if (mutt_str_strncmp("MESSAGES", s, 8) == 0)
{
status->messages = count;
new_msg_count = 1;
}
else if (mutt_str_strncmp("RECENT", s, 6) == 0)
status->recent = count;
else if (mutt_str_strncmp("UIDNEXT", s, 7) == 0)
status->uidnext = count;
else if (mutt_str_strncmp("UIDVALIDITY", s, 11) == 0)
status->uidvalidity = count;
else if (mutt_str_strncmp("UNSEEN", s, 6) == 0)
status->unseen = count;
s = value;
if (*s && *s != ')')
s = imap_next_word(s);
}
mutt_debug(3, "%s (UIDVALIDITY: %u, UIDNEXT: %u) %d messages, %d recent, %d unseen\n",
status->name, status->uidvalidity, status->uidnext,
status->messages, status->recent, status->unseen);
/* caller is prepared to handle the result herself */
if (idata->cmddata && idata->cmdtype == IMAP_CT_STATUS)
{
memcpy(idata->cmddata, status, sizeof(struct ImapStatus));
return;
}
mutt_debug(3, "Running default STATUS handler\n");
/* should perhaps move this code back to imap_buffy_check */
for (inc = Incoming; inc; inc = inc->next)
{
if (inc->magic != MUTT_IMAP)
continue;
if (imap_parse_path(inc->path, &mx) < 0)
{
mutt_debug(1, "Error parsing mailbox %s, skipping\n", inc->path);
continue;
}
if (imap_account_match(&idata->conn->account, &mx.account))
{
if (mx.mbox)
{
value = mutt_str_strdup(mx.mbox);
imap_fix_path(idata, mx.mbox, value, mutt_str_strlen(value) + 1);
FREE(&mx.mbox);
}
else
value = mutt_str_strdup("INBOX");
if (value && (imap_mxcmp(mailbox, value) == 0))
{
mutt_debug(3, "Found %s in buffy list (OV: %u ON: %u U: %d)\n", mailbox,
olduv, oldun, status->unseen);
if (MailCheckRecent)
{
if (olduv && olduv == status->uidvalidity)
{
if (oldun < status->uidnext)
new = (status->unseen > 0);
}
else if (!olduv && !oldun)
{
/* first check per session, use recent. might need a flag for this. */
new = (status->recent > 0);
}
else
new = (status->unseen > 0);
}
else
new = (status->unseen > 0);
#ifdef USE_SIDEBAR
if ((inc->new != new) || (inc->msg_count != status->messages) ||
(inc->msg_unread != status->unseen))
{
mutt_menu_set_current_redraw(REDRAW_SIDEBAR);
}
#endif
inc->new = new;
if (new_msg_count)
inc->msg_count = status->messages;
inc->msg_unread = status->unseen;
if (inc->new)
{
/* force back to keep detecting new mail until the mailbox is
opened */
status->uidnext = oldun;
}
FREE(&value);
return;
}
FREE(&value);
}
FREE(&mx.mbox);
}
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: void RenderLayerCompositor::updateLayerTreeGeometry(RenderLayer* layer)
{
updateGraphicsLayersMappedToRenderLayer(layer);
#if !ASSERT_DISABLED
LayerListMutationDetector mutationChecker(layer->stackingNode());
#endif
RenderLayerStackingNodeIterator iterator(*layer->stackingNode(), AllChildren);
while (RenderLayerStackingNode* curNode = iterator.next())
updateLayerTreeGeometry(curNode->layer());
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: status_t MPEG4Source::parseSampleAuxiliaryInformationSizes(
off64_t offset, off64_t /* size */) {
ALOGV("parseSampleAuxiliaryInformationSizes");
uint8_t version;
if (mDataSource->readAt(
offset, &version, sizeof(version))
< (ssize_t)sizeof(version)) {
return ERROR_IO;
}
if (version != 0) {
return ERROR_UNSUPPORTED;
}
offset++;
uint32_t flags;
if (!mDataSource->getUInt24(offset, &flags)) {
return ERROR_IO;
}
offset += 3;
if (flags & 1) {
uint32_t tmp;
if (!mDataSource->getUInt32(offset, &tmp)) {
return ERROR_MALFORMED;
}
mCurrentAuxInfoType = tmp;
offset += 4;
if (!mDataSource->getUInt32(offset, &tmp)) {
return ERROR_MALFORMED;
}
mCurrentAuxInfoTypeParameter = tmp;
offset += 4;
}
uint8_t defsize;
if (mDataSource->readAt(offset, &defsize, 1) != 1) {
return ERROR_MALFORMED;
}
mCurrentDefaultSampleInfoSize = defsize;
offset++;
uint32_t smplcnt;
if (!mDataSource->getUInt32(offset, &smplcnt)) {
return ERROR_MALFORMED;
}
mCurrentSampleInfoCount = smplcnt;
offset += 4;
if (mCurrentDefaultSampleInfoSize != 0) {
ALOGV("@@@@ using default sample info size of %d", mCurrentDefaultSampleInfoSize);
return OK;
}
if (smplcnt > mCurrentSampleInfoAllocSize) {
mCurrentSampleInfoSizes = (uint8_t*) realloc(mCurrentSampleInfoSizes, smplcnt);
mCurrentSampleInfoAllocSize = smplcnt;
}
mDataSource->readAt(offset, mCurrentSampleInfoSizes, smplcnt);
return OK;
}
CWE ID: CWE-189
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
unsigned long, data)
{
struct task_struct *child;
long ret;
if (request == PTRACE_TRACEME) {
ret = ptrace_traceme();
if (!ret)
arch_ptrace_attach(current);
goto out;
}
child = ptrace_get_task_struct(pid);
if (IS_ERR(child)) {
ret = PTR_ERR(child);
goto out;
}
if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) {
ret = ptrace_attach(child, request, addr, data);
/*
* Some architectures need to do book-keeping after
* a ptrace attach.
*/
if (!ret)
arch_ptrace_attach(child);
goto out_put_task_struct;
}
ret = ptrace_check_attach(child, request == PTRACE_KILL ||
request == PTRACE_INTERRUPT);
if (ret < 0)
goto out_put_task_struct;
ret = arch_ptrace(child, request, addr, data);
out_put_task_struct:
put_task_struct(child);
out:
return ret;
}
CWE ID: CWE-362
Target: 1
Example 2:
Code: vips_foreign_save_build( VipsObject *object )
{
VipsForeignSave *save = VIPS_FOREIGN_SAVE( object );
if( save->in ) {
VipsForeignSaveClass *class =
VIPS_FOREIGN_SAVE_GET_CLASS( save );
VipsImage *ready;
if( vips__foreign_convert_saveable( save->in, &ready,
class->saveable, class->format_table, class->coding,
save->background ) )
return( -1 );
if( save->page_height )
vips_image_set_int( ready,
VIPS_META_PAGE_HEIGHT, save->page_height );
VIPS_UNREF( save->ready );
save->ready = ready;
}
if( VIPS_OBJECT_CLASS( vips_foreign_save_parent_class )->
build( object ) )
return( -1 );
return( 0 );
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: removeDevice(const struct header * headers)
{
struct device ** pp = &devlist;
struct device * p = *pp; /* = devlist */
while(p)
{
if( p->headers[HEADER_NT].l == headers[HEADER_NT].l
&& (0==memcmp(p->headers[HEADER_NT].p, headers[HEADER_NT].p, headers[HEADER_NT].l))
&& p->headers[HEADER_USN].l == headers[HEADER_USN].l
&& (0==memcmp(p->headers[HEADER_USN].p, headers[HEADER_USN].p, headers[HEADER_USN].l)) )
{
syslog(LOG_INFO, "remove device : %.*s", headers[HEADER_USN].l, headers[HEADER_USN].p);
*pp = p->next;
free(p);
return -1;
}
pp = &p->next;
p = *pp; /* p = p->next; */
}
syslog(LOG_WARNING, "device not found for removing : %.*s", headers[HEADER_USN].l, headers[HEADER_USN].p);
return 0;
}
CWE ID: CWE-388
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int dpcm_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
const uint8_t *buf_end = buf + buf_size;
DPCMContext *s = avctx->priv_data;
int out = 0, ret;
int predictor[2];
int ch = 0;
int stereo = s->channels - 1;
int16_t *output_samples;
/* calculate output size */
switch(avctx->codec->id) {
case CODEC_ID_ROQ_DPCM:
case CODEC_ID_XAN_DPCM:
out = buf_size - 2 * s->channels;
break;
case CODEC_ID_SOL_DPCM:
if (avctx->codec_tag != 3)
out = buf_size * 2;
else
out = buf_size;
break;
}
if (out <= 0) {
av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
return AVERROR(EINVAL);
}
/* get output buffer */
s->frame.nb_samples = out / s->channels;
if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
output_samples = (int16_t *)s->frame.data[0];
switch(avctx->codec->id) {
case CODEC_ID_ROQ_DPCM:
buf += 6;
if (stereo) {
predictor[1] = (int16_t)(bytestream_get_byte(&buf) << 8);
predictor[0] = (int16_t)(bytestream_get_byte(&buf) << 8);
} else {
predictor[0] = (int16_t)bytestream_get_le16(&buf);
}
/* decode the samples */
while (buf < buf_end) {
predictor[ch] += s->roq_square_array[*buf++];
predictor[ch] = av_clip_int16(predictor[ch]);
*output_samples++ = predictor[ch];
/* toggle channel */
ch ^= stereo;
}
break;
case CODEC_ID_INTERPLAY_DPCM:
buf += 6; /* skip over the stream mask and stream length */
for (ch = 0; ch < s->channels; ch++) {
predictor[ch] = (int16_t)bytestream_get_le16(&buf);
*output_samples++ = predictor[ch];
}
ch = 0;
while (buf < buf_end) {
predictor[ch] += interplay_delta_table[*buf++];
predictor[ch] = av_clip_int16(predictor[ch]);
*output_samples++ = predictor[ch];
/* toggle channel */
ch ^= stereo;
}
break;
case CODEC_ID_XAN_DPCM:
{
int shift[2] = { 4, 4 };
for (ch = 0; ch < s->channels; ch++)
predictor[ch] = (int16_t)bytestream_get_le16(&buf);
ch = 0;
while (buf < buf_end) {
uint8_t n = *buf++;
int16_t diff = (n & 0xFC) << 8;
if ((n & 0x03) == 3)
shift[ch]++;
else
shift[ch] -= (2 * (n & 3));
/* saturate the shifter to a lower limit of 0 */
if (shift[ch] < 0)
shift[ch] = 0;
diff >>= shift[ch];
predictor[ch] += diff;
predictor[ch] = av_clip_int16(predictor[ch]);
*output_samples++ = predictor[ch];
/* toggle channel */
ch ^= stereo;
}
break;
}
case CODEC_ID_SOL_DPCM:
if (avctx->codec_tag != 3) {
uint8_t *output_samples_u8 = s->frame.data[0];
while (buf < buf_end) {
uint8_t n = *buf++;
s->sample[0] += s->sol_table[n >> 4];
s->sample[0] = av_clip_uint8(s->sample[0]);
*output_samples_u8++ = s->sample[0];
s->sample[stereo] += s->sol_table[n & 0x0F];
s->sample[stereo] = av_clip_uint8(s->sample[stereo]);
*output_samples_u8++ = s->sample[stereo];
}
} else {
while (buf < buf_end) {
uint8_t n = *buf++;
if (n & 0x80) s->sample[ch] -= sol_table_16[n & 0x7F];
else s->sample[ch] += sol_table_16[n & 0x7F];
s->sample[ch] = av_clip_int16(s->sample[ch]);
*output_samples++ = s->sample[ch];
/* toggle channel */
ch ^= stereo;
}
}
break;
}
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
return buf_size;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: GURL AddUberHost(const GURL& url) {
const std::string uber_host = chrome::kChromeUIUberHost;
const std::string new_path = url.host() + url.path();
return ReplaceURLHostAndPath(url, uber_host, new_path);
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static struct sctp_association *__sctp_lookup_association(
const union sctp_addr *local,
const union sctp_addr *peer,
struct sctp_transport **pt)
{
struct sctp_hashbucket *head;
struct sctp_ep_common *epb;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct hlist_node *node;
int hash;
/* Optimize here for direct hit, only listening connections can
* have wildcards anyways.
*/
hash = sctp_assoc_hashfn(ntohs(local->v4.sin_port), ntohs(peer->v4.sin_port));
head = &sctp_assoc_hashtable[hash];
read_lock(&head->lock);
sctp_for_each_hentry(epb, node, &head->chain) {
asoc = sctp_assoc(epb);
transport = sctp_assoc_is_match(asoc, local, peer);
if (transport)
goto hit;
}
read_unlock(&head->lock);
return NULL;
hit:
*pt = transport;
sctp_association_hold(asoc);
read_unlock(&head->lock);
return asoc;
}
CWE ID: CWE-362
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: UserSelectionScreen::UpdateAndReturnUserListForWebUI() {
std::unique_ptr<base::ListValue> users_list =
std::make_unique<base::ListValue>();
const AccountId owner = GetOwnerAccountId();
const bool is_signin_to_add = IsSigninToAdd();
users_to_send_ = PrepareUserListForSending(users_, owner, is_signin_to_add);
user_auth_type_map_.clear();
for (user_manager::UserList::const_iterator it = users_to_send_.begin();
it != users_to_send_.end(); ++it) {
const AccountId& account_id = (*it)->GetAccountId();
bool is_owner = (account_id == owner);
const bool is_public_account =
((*it)->GetType() == user_manager::USER_TYPE_PUBLIC_ACCOUNT);
const proximity_auth::mojom::AuthType initial_auth_type =
is_public_account
? proximity_auth::mojom::AuthType::EXPAND_THEN_USER_CLICK
: (ShouldForceOnlineSignIn(*it)
? proximity_auth::mojom::AuthType::ONLINE_SIGN_IN
: proximity_auth::mojom::AuthType::OFFLINE_PASSWORD);
user_auth_type_map_[account_id] = initial_auth_type;
auto user_dict = std::make_unique<base::DictionaryValue>();
const std::vector<std::string>* public_session_recommended_locales =
public_session_recommended_locales_.find(account_id) ==
public_session_recommended_locales_.end()
? nullptr
: &public_session_recommended_locales_[account_id];
FillUserDictionary(*it, is_owner, is_signin_to_add, initial_auth_type,
public_session_recommended_locales, user_dict.get());
user_dict->SetBoolean(kKeyCanRemove, CanRemoveUser(*it));
users_list->Append(std::move(user_dict));
}
return users_list;
}
CWE ID:
Target: 1
Example 2:
Code: static int transfer_xor(struct loop_device *lo, int cmd,
struct page *raw_page, unsigned raw_off,
struct page *loop_page, unsigned loop_off,
int size, sector_t real_block)
{
char *raw_buf = kmap_atomic(raw_page) + raw_off;
char *loop_buf = kmap_atomic(loop_page) + loop_off;
char *in, *out, *key;
int i, keysize;
if (cmd == READ) {
in = raw_buf;
out = loop_buf;
} else {
in = loop_buf;
out = raw_buf;
}
key = lo->lo_encrypt_key;
keysize = lo->lo_encrypt_key_size;
for (i = 0; i < size; i++)
*out++ = *in++ ^ key[(i & 511) % keysize];
kunmap_atomic(loop_buf);
kunmap_atomic(raw_buf);
cond_resched();
return 0;
}
CWE ID: CWE-416
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int setup_initrd(struct boot_params *params,
unsigned long initrd_load_addr, unsigned long initrd_len)
{
params->hdr.ramdisk_image = initrd_load_addr & 0xffffffffUL;
params->hdr.ramdisk_size = initrd_len & 0xffffffffUL;
params->ext_ramdisk_image = initrd_load_addr >> 32;
params->ext_ramdisk_size = initrd_len >> 32;
return 0;
}
CWE ID: CWE-254
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: IDNSpoofChecker::IDNSpoofChecker() {
UErrorCode status = U_ZERO_ERROR;
checker_ = uspoof_open(&status);
if (U_FAILURE(status)) {
checker_ = nullptr;
return;
}
uspoof_setRestrictionLevel(checker_, USPOOF_HIGHLY_RESTRICTIVE);
SetAllowedUnicodeSet(&status);
int32_t checks = uspoof_getChecks(checker_, &status) | USPOOF_AUX_INFO;
uspoof_setChecks(checker_, checks, &status);
deviation_characters_ = icu::UnicodeSet(
UNICODE_STRING_SIMPLE("[\\u00df\\u03c2\\u200c\\u200d]"), status);
deviation_characters_.freeze();
non_ascii_latin_letters_ =
icu::UnicodeSet(UNICODE_STRING_SIMPLE("[[:Latin:] - [a-zA-Z]]"), status);
non_ascii_latin_letters_.freeze();
kana_letters_exceptions_ = icu::UnicodeSet(
UNICODE_STRING_SIMPLE("[\\u3078-\\u307a\\u30d8-\\u30da\\u30fb-\\u30fe]"),
status);
kana_letters_exceptions_.freeze();
combining_diacritics_exceptions_ =
icu::UnicodeSet(UNICODE_STRING_SIMPLE("[\\u0300-\\u0339]"), status);
combining_diacritics_exceptions_.freeze();
cyrillic_letters_latin_alike_ =
icu::UnicodeSet(icu::UnicodeString("[асԁеһіјӏорԛѕԝхуъЬҽпгѵѡ]"), status);
cyrillic_letters_latin_alike_.freeze();
cyrillic_letters_ =
icu::UnicodeSet(UNICODE_STRING_SIMPLE("[[:Cyrl:]]"), status);
cyrillic_letters_.freeze();
DCHECK(U_SUCCESS(status));
lgc_letters_n_ascii_ = icu::UnicodeSet(
UNICODE_STRING_SIMPLE("[[:Latin:][:Greek:][:Cyrillic:][0-9\\u002e_"
"\\u002d][\\u0300-\\u0339]]"),
status);
lgc_letters_n_ascii_.freeze();
UParseError parse_error;
transliterator_.reset(icu::Transliterator::createFromRules(
UNICODE_STRING_SIMPLE("DropAcc"),
icu::UnicodeString("::NFD; ::[:Nonspacing Mark:] Remove; ::NFC;"
" ł > l; ø > o; đ > d; ӏ > l; [кĸκ] > k; п > n;"),
UTRANS_FORWARD, parse_error, status));
DCHECK(U_SUCCESS(status))
<< "Spoofchecker initalization failed due to an error: "
<< u_errorName(status);
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: static MagickBooleanType WriteUYVYImage(const ImageInfo *image_info,
Image *image)
{
MagickPixelPacket
pixel;
Image
*uyvy_image;
MagickBooleanType
full,
status;
register const PixelPacket
*p;
register ssize_t
x;
ssize_t
y;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
if ((image->columns % 2) != 0)
image->columns++;
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
/*
Accumulate two pixels, then output.
*/
uyvy_image=CloneImage(image,0,0,MagickTrue,&image->exception);
if (uyvy_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,image->exception.reason);
(void) TransformImageColorspace(uyvy_image,YCbCrColorspace);
full=MagickFalse;
(void) ResetMagickMemory(&pixel,0,sizeof(MagickPixelPacket));
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(uyvy_image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (full != MagickFalse)
{
pixel.green=(pixel.green+GetPixelGreen(p))/2;
pixel.blue=(pixel.blue+GetPixelBlue(p))/2;
(void) WriteBlobByte(image,ScaleQuantumToChar((Quantum) pixel.green));
(void) WriteBlobByte(image,ScaleQuantumToChar((Quantum) pixel.red));
(void) WriteBlobByte(image,ScaleQuantumToChar((Quantum) pixel.blue));
(void) WriteBlobByte(image,ScaleQuantumToChar(
GetPixelRed(p)));
}
pixel.red=(double) GetPixelRed(p);
pixel.green=(double) GetPixelGreen(p);
pixel.blue=(double) GetPixelBlue(p);
full=full == MagickFalse ? MagickTrue : MagickFalse;
p++;
}
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
uyvy_image=DestroyImage(uyvy_image);
(void) CloseBlob(image);
return(MagickTrue);
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void nbd_recv_coroutines_enter_all(NBDClientSession *s)
{
int i;
for (i = 0; i < MAX_NBD_REQUESTS; i++) {
qemu_coroutine_enter(s->recv_coroutine[i]);
qemu_coroutine_enter(s->recv_coroutine[i]);
}
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static v8::Handle<v8::Value> convert2Callback(const v8::Arguments& args)
{
INC_STATS("DOM.TestObj.convert2");
if (args.Length() < 1)
return V8Proxy::throwNotEnoughArgumentsError();
TestObj* imp = V8TestObj::toNative(args.Holder());
EXCEPTION_BLOCK(b*, , V8b::HasInstance(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined)) ? V8b::toNative(v8::Handle<v8::Object>::Cast(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined))) : 0);
imp->convert2();
return v8::Handle<v8::Value>();
}
CWE ID:
Target: 1
Example 2:
Code: static void qcow2_invalidate_cache(BlockDriverState *bs, Error **errp)
{
BDRVQcowState *s = bs->opaque;
int flags = s->flags;
AES_KEY aes_encrypt_key;
AES_KEY aes_decrypt_key;
uint32_t crypt_method = 0;
QDict *options;
Error *local_err = NULL;
int ret;
/*
* Backing files are read-only which makes all of their metadata immutable,
* that means we don't have to worry about reopening them here.
*/
if (s->crypt_method) {
crypt_method = s->crypt_method;
memcpy(&aes_encrypt_key, &s->aes_encrypt_key, sizeof(aes_encrypt_key));
memcpy(&aes_decrypt_key, &s->aes_decrypt_key, sizeof(aes_decrypt_key));
}
qcow2_close(bs);
bdrv_invalidate_cache(bs->file, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
memset(s, 0, sizeof(BDRVQcowState));
options = qdict_clone_shallow(bs->options);
ret = qcow2_open(bs, options, flags, &local_err);
if (local_err) {
error_setg(errp, "Could not reopen qcow2 layer: %s",
error_get_pretty(local_err));
error_free(local_err);
return;
} else if (ret < 0) {
error_setg_errno(errp, -ret, "Could not reopen qcow2 layer");
return;
}
QDECREF(options);
if (crypt_method) {
s->crypt_method = crypt_method;
memcpy(&s->aes_encrypt_key, &aes_encrypt_key, sizeof(aes_encrypt_key));
memcpy(&s->aes_decrypt_key, &aes_decrypt_key, sizeof(aes_decrypt_key));
}
}
CWE ID: CWE-476
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: pvscsi_convert_sglist(PVSCSIRequest *r)
{
int chunk_size;
uint64_t data_length = r->req.dataLen;
PVSCSISGState sg = r->sg;
while (data_length) {
while (!sg.resid) {
pvscsi_get_next_sg_elem(&sg);
trace_pvscsi_convert_sglist(r->req.context, r->sg.dataAddr,
r->sg.resid);
}
assert(data_length > 0);
chunk_size = MIN((unsigned) data_length, sg.resid);
if (chunk_size) {
qemu_sglist_add(&r->sgl, sg.dataAddr, chunk_size);
}
sg.dataAddr += chunk_size;
data_length -= chunk_size;
sg.resid -= chunk_size;
}
}
CWE ID: CWE-399
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int link_pipe(struct pipe_inode_info *ipipe,
struct pipe_inode_info *opipe,
size_t len, unsigned int flags)
{
struct pipe_buffer *ibuf, *obuf;
int ret = 0, i = 0, nbuf;
/*
* Potential ABBA deadlock, work around it by ordering lock
* grabbing by pipe info address. Otherwise two different processes
* could deadlock (one doing tee from A -> B, the other from B -> A).
*/
pipe_double_lock(ipipe, opipe);
do {
if (!opipe->readers) {
send_sig(SIGPIPE, current, 0);
if (!ret)
ret = -EPIPE;
break;
}
/*
* If we have iterated all input buffers or ran out of
* output room, break.
*/
if (i >= ipipe->nrbufs || opipe->nrbufs >= opipe->buffers)
break;
ibuf = ipipe->bufs + ((ipipe->curbuf + i) & (ipipe->buffers-1));
nbuf = (opipe->curbuf + opipe->nrbufs) & (opipe->buffers - 1);
/*
* Get a reference to this pipe buffer,
* so we can copy the contents over.
*/
pipe_buf_get(ipipe, ibuf);
obuf = opipe->bufs + nbuf;
*obuf = *ibuf;
/*
* Don't inherit the gift flag, we need to
* prevent multiple steals of this page.
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
if (obuf->len > len)
obuf->len = len;
opipe->nrbufs++;
ret += obuf->len;
len -= obuf->len;
i++;
} while (len);
/*
* return EAGAIN if we have the potential of some data in the
* future, otherwise just return 0
*/
if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK))
ret = -EAGAIN;
pipe_unlock(ipipe);
pipe_unlock(opipe);
/*
* If we put data in the output pipe, wakeup any potential readers.
*/
if (ret > 0)
wakeup_pipe_readers(opipe);
return ret;
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: int register_android_net_wifi_WifiNative(JNIEnv* env) {
return AndroidRuntime::registerNativeMethods(env,
"com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods));
}
CWE ID: CWE-200
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int param_set_mode(const char *val, struct kernel_param *kp)
{
int i;
if (!capable(CAP_MAC_ADMIN))
return -EPERM;
if (!apparmor_enabled)
return -EINVAL;
if (!val)
return -EINVAL;
for (i = 0; i < APPARMOR_MODE_NAMES_MAX_INDEX; i++) {
if (strcmp(val, aa_profile_mode_names[i]) == 0) {
aa_g_profile_mode = i;
return 0;
}
}
return -EINVAL;
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void migrate_page_copy(struct page *newpage, struct page *page)
{
int cpupid;
if (PageHuge(page) || PageTransHuge(page))
copy_huge_page(newpage, page);
else
copy_highpage(newpage, page);
if (PageError(page))
SetPageError(newpage);
if (PageReferenced(page))
SetPageReferenced(newpage);
if (PageUptodate(page))
SetPageUptodate(newpage);
if (TestClearPageActive(page)) {
VM_BUG_ON_PAGE(PageUnevictable(page), page);
SetPageActive(newpage);
} else if (TestClearPageUnevictable(page))
SetPageUnevictable(newpage);
if (PageChecked(page))
SetPageChecked(newpage);
if (PageMappedToDisk(page))
SetPageMappedToDisk(newpage);
if (PageDirty(page)) {
clear_page_dirty_for_io(page);
/*
* Want to mark the page and the radix tree as dirty, and
* redo the accounting that clear_page_dirty_for_io undid,
* but we can't use set_page_dirty because that function
* is actually a signal that all of the page has become dirty.
* Whereas only part of our page may be dirty.
*/
if (PageSwapBacked(page))
SetPageDirty(newpage);
else
__set_page_dirty_nobuffers(newpage);
}
if (page_is_young(page))
set_page_young(newpage);
if (page_is_idle(page))
set_page_idle(newpage);
/*
* Copy NUMA information to the new page, to prevent over-eager
* future migrations of this same page.
*/
cpupid = page_cpupid_xchg_last(page, -1);
page_cpupid_xchg_last(newpage, cpupid);
ksm_migrate_page(newpage, page);
/*
* Please do not reorder this without considering how mm/ksm.c's
* get_ksm_page() depends upon ksm_migrate_page() and PageSwapCache().
*/
if (PageSwapCache(page))
ClearPageSwapCache(page);
ClearPagePrivate(page);
set_page_private(page, 0);
/*
* If any waiters have accumulated on the new page then
* wake them up.
*/
if (PageWriteback(newpage))
end_page_writeback(newpage);
}
CWE ID: CWE-476
Target: 1
Example 2:
Code: void IndexedDBTransaction::Start() {
DCHECK_EQ(CREATED, state_);
state_ = STARTED;
diagnostics_.start_time = base::Time::Now();
if (!used_) {
if (commit_pending_) {
base::SequencedTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(&CommitUnused, ptr_factory_.GetWeakPtr()));
}
return;
}
RunTasksIfStarted();
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: raptor_libxml_resolveEntity(void* user_data,
const xmlChar *publicId, const xmlChar *systemId) {
raptor_sax2* sax2 = (raptor_sax2*)user_data;
return libxml2_resolveEntity(sax2->xc, publicId, systemId);
}
CWE ID: CWE-200
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static Image *ReadHRZImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*image;
MagickBooleanType
status;
register ssize_t
x;
register PixelPacket
*q;
register unsigned char
*p;
ssize_t
count,
y;
size_t
length;
unsigned char
*pixels;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Convert HRZ raster image to pixel packets.
*/
image->columns=256;
image->rows=240;
image->depth=8;
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,3*
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
length=(size_t) (3*image->columns);
for (y=0; y < (ssize_t) image->rows; y++)
{
count=ReadBlob(image,length,pixels);
if ((size_t) count != length)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
p=pixels;
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,ScaleCharToQuantum(4**p++));
SetPixelGreen(q,ScaleCharToQuantum(4**p++));
SetPixelBlue(q,ScaleCharToQuantum(4**p++));
SetPixelOpacity(q,OpaqueOpacity);
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse)
break;
}
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
if (EOFBlob(image) != MagickFalse)
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static void usbip_dump_pipe(unsigned int p)
{
unsigned char type = usb_pipetype(p);
unsigned char ep = usb_pipeendpoint(p);
unsigned char dev = usb_pipedevice(p);
unsigned char dir = usb_pipein(p);
pr_debug("dev(%d) ep(%d) [%s] ", dev, ep, dir ? "IN" : "OUT");
switch (type) {
case PIPE_ISOCHRONOUS:
pr_debug("ISO\n");
break;
case PIPE_INTERRUPT:
pr_debug("INT\n");
break;
case PIPE_CONTROL:
pr_debug("CTRL\n");
break;
case PIPE_BULK:
pr_debug("BULK\n");
break;
default:
pr_debug("ERR\n");
break;
}
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: StyleResolver::~StyleResolver()
{
m_fontSelector->unregisterForInvalidationCallbacks(this);
m_fontSelector->clearDocument();
m_viewportStyleResolver->clearDocument();
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void Encoder::Flush() {
const vpx_codec_err_t res = vpx_codec_encode(&encoder_, NULL, 0, 0, 0,
deadline_);
ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static void release_one_tty(struct work_struct *work)
{
struct tty_struct *tty =
container_of(work, struct tty_struct, hangup_work);
struct tty_driver *driver = tty->driver;
struct module *owner = driver->owner;
if (tty->ops->cleanup)
tty->ops->cleanup(tty);
tty->magic = 0;
tty_driver_kref_put(driver);
module_put(owner);
spin_lock(&tty_files_lock);
list_del_init(&tty->tty_files);
spin_unlock(&tty_files_lock);
put_pid(tty->pgrp);
put_pid(tty->session);
free_tty_struct(tty);
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int sha512_neon_init(struct shash_desc *desc)
{
struct sha512_state *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA512_H0;
sctx->state[1] = SHA512_H1;
sctx->state[2] = SHA512_H2;
sctx->state[3] = SHA512_H3;
sctx->state[4] = SHA512_H4;
sctx->state[5] = SHA512_H5;
sctx->state[6] = SHA512_H6;
sctx->state[7] = SHA512_H7;
sctx->count[0] = sctx->count[1] = 0;
return 0;
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: fpAcc(TIFF* tif, uint8* cp0, tmsize_t cc)
{
tmsize_t stride = PredictorState(tif)->stride;
uint32 bps = tif->tif_dir.td_bitspersample / 8;
tmsize_t wc = cc / bps;
tmsize_t count = cc;
uint8 *cp = (uint8 *) cp0;
uint8 *tmp = (uint8 *)_TIFFmalloc(cc);
assert((cc%(bps*stride))==0);
if (!tmp)
return;
while (count > stride) {
REPEAT4(stride, cp[stride] =
(unsigned char) ((cp[stride] + cp[0]) & 0xff); cp++)
count -= stride;
}
_TIFFmemcpy(tmp, cp0, cc);
cp = (uint8 *) cp0;
for (count = 0; count < wc; count++) {
uint32 byte;
for (byte = 0; byte < bps; byte++) {
#if WORDS_BIGENDIAN
cp[bps * count + byte] = tmp[byte * wc + count];
#else
cp[bps * count + byte] =
tmp[(bps - byte - 1) * wc + count];
#endif
}
}
_TIFFfree(tmp);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static double filter_hermite(const double x1)
{
const double x = x1 < 0.0 ? -x1 : x1;
if (x < 1.0) return ((2.0 * x - 3) * x * x + 1.0 );
return 0.0;
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int filter_addr(struct sockaddr *sa)
{
struct ifsock *ifs;
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
if (!sa)
return 1;
if (sa->sa_family != AF_INET)
return 1;
if (sin->sin_addr.s_addr == htonl(INADDR_ANY))
return 1;
if (sin->sin_addr.s_addr == htonl(INADDR_LOOPBACK))
return 1;
ifs = find_outbound(sa);
if (ifs) {
if (ifs->addr.sin_addr.s_addr != htonl(INADDR_ANY))
return 1;
}
return 0;
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int64 GetOriginalListPrefValue(size_t index) {
return ListPrefInt64Value(*original_update_, index);
}
CWE ID: CWE-416
Target: 1
Example 2:
Code: ResourceRequestInfoImpl* ResourceDispatcherHostImpl::CreateRequestInfo(
int child_id,
int route_id,
bool download,
ResourceContext* context) {
return new ResourceRequestInfoImpl(
PROCESS_TYPE_RENDERER,
child_id,
route_id,
0,
request_id_,
false, // is_main_frame
-1, // frame_id
false, // parent_is_main_frame
-1, // parent_frame_id
ResourceType::SUB_RESOURCE,
PAGE_TRANSITION_LINK,
0, // upload_size
download, // is_download
download, // allow_download
false, // has_user_gesture
WebKit::WebReferrerPolicyDefault,
context);
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static X509_STORE * setup_verify(zval * calist TSRMLS_DC)
{
X509_STORE *store;
X509_LOOKUP * dir_lookup, * file_lookup;
HashPosition pos;
int ndirs = 0, nfiles = 0;
store = X509_STORE_new();
if (store == NULL) {
return NULL;
}
if (calist && (Z_TYPE_P(calist) == IS_ARRAY)) {
zend_hash_internal_pointer_reset_ex(HASH_OF(calist), &pos);
for (;; zend_hash_move_forward_ex(HASH_OF(calist), &pos)) {
zval ** item;
struct stat sb;
if (zend_hash_get_current_data_ex(HASH_OF(calist), (void**)&item, &pos) == FAILURE) {
break;
}
convert_to_string_ex(item);
if (VCWD_STAT(Z_STRVAL_PP(item), &sb) == -1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to stat %s", Z_STRVAL_PP(item));
continue;
}
if ((sb.st_mode & S_IFREG) == S_IFREG) {
file_lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
if (file_lookup == NULL || !X509_LOOKUP_load_file(file_lookup, Z_STRVAL_PP(item), X509_FILETYPE_PEM)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "error loading file %s", Z_STRVAL_PP(item));
} else {
nfiles++;
}
file_lookup = NULL;
} else {
dir_lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
if (dir_lookup == NULL || !X509_LOOKUP_add_dir(dir_lookup, Z_STRVAL_PP(item), X509_FILETYPE_PEM)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "error loading directory %s", Z_STRVAL_PP(item));
} else {
ndirs++;
}
dir_lookup = NULL;
}
}
}
if (nfiles == 0) {
file_lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
if (file_lookup) {
X509_LOOKUP_load_file(file_lookup, NULL, X509_FILETYPE_DEFAULT);
}
}
if (ndirs == 0) {
dir_lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
if (dir_lookup) {
X509_LOOKUP_add_dir(dir_lookup, NULL, X509_FILETYPE_DEFAULT);
}
}
return store;
}
CWE ID: CWE-310
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: bool ParseRequestInfo(const struct mg_request_info* const request_info,
std::string* method,
std::vector<std::string>* path_segments,
DictionaryValue** parameters,
Response* const response) {
*method = request_info->request_method;
if (*method == "HEAD")
*method = "GET";
else if (*method == "PUT")
*method = "POST";
std::string uri(request_info->uri);
SessionManager* manager = SessionManager::GetInstance();
uri = uri.substr(manager->url_base().length());
base::SplitString(uri, '/', path_segments);
if (*method == "POST" && request_info->post_data_len > 0) {
VLOG(1) << "...parsing request body";
std::string json(request_info->post_data, request_info->post_data_len);
std::string error;
if (!ParseJSONDictionary(json, parameters, &error)) {
response->SetError(new Error(
kBadRequest,
"Failed to parse command data: " + error + "\n Data: " + json));
return false;
}
}
VLOG(1) << "Parsed " << method << " " << uri
<< std::string(request_info->post_data, request_info->post_data_len);
return true;
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: void idt_invalidate(void *addr)
{
struct desc_ptr idt = { .address = (unsigned long) addr, .size = 0 };
load_idt(&idt);
}
CWE ID: CWE-362
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static sector_t map_swap_entry(swp_entry_t entry, struct block_device **bdev)
{
struct swap_info_struct *sis;
struct swap_extent *start_se;
struct swap_extent *se;
pgoff_t offset;
sis = swap_info[swp_type(entry)];
*bdev = sis->bdev;
offset = swp_offset(entry);
start_se = sis->curr_swap_extent;
se = start_se;
for ( ; ; ) {
struct list_head *lh;
if (se->start_page <= offset &&
offset < (se->start_page + se->nr_pages)) {
return se->start_block + (offset - se->start_page);
}
lh = se->list.next;
se = list_entry(lh, struct swap_extent, list);
sis->curr_swap_extent = se;
BUG_ON(se == start_se); /* It *must* be present */
}
}
CWE ID: CWE-264
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: spnego_gss_unwrap_aead(OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
gss_buffer_t input_message_buffer,
gss_buffer_t input_assoc_buffer,
gss_buffer_t output_payload_buffer,
int *conf_state,
gss_qop_t *qop_state)
{
OM_uint32 ret;
ret = gss_unwrap_aead(minor_status,
context_handle,
input_message_buffer,
input_assoc_buffer,
output_payload_buffer,
conf_state,
qop_state);
return (ret);
}
CWE ID: CWE-18
Target: 1
Example 2:
Code: static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
{
char owner_name[IDMAP_NAMESZ];
char owner_group[IDMAP_NAMESZ];
int owner_namelen = 0;
int owner_grouplen = 0;
__be32 *p;
__be32 *q;
int len;
uint32_t bmval0 = 0;
uint32_t bmval1 = 0;
int status;
/*
* We reserve enough space to write the entire attribute buffer at once.
* In the worst-case, this would be
* 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
* = 36 bytes, plus any contribution from variable-length fields
* such as owner/group.
*/
len = 16;
/* Sigh */
if (iap->ia_valid & ATTR_SIZE)
len += 8;
if (iap->ia_valid & ATTR_MODE)
len += 4;
if (iap->ia_valid & ATTR_UID) {
owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name);
if (owner_namelen < 0) {
dprintk("nfs: couldn't resolve uid %d to string\n",
iap->ia_uid);
/* XXX */
strcpy(owner_name, "nobody");
owner_namelen = sizeof("nobody") - 1;
/* goto out; */
}
len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
}
if (iap->ia_valid & ATTR_GID) {
owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group);
if (owner_grouplen < 0) {
dprintk("nfs: couldn't resolve gid %d to string\n",
iap->ia_gid);
strcpy(owner_group, "nobody");
owner_grouplen = sizeof("nobody") - 1;
/* goto out; */
}
len += 4 + (XDR_QUADLEN(owner_grouplen) << 2);
}
if (iap->ia_valid & ATTR_ATIME_SET)
len += 16;
else if (iap->ia_valid & ATTR_ATIME)
len += 4;
if (iap->ia_valid & ATTR_MTIME_SET)
len += 16;
else if (iap->ia_valid & ATTR_MTIME)
len += 4;
RESERVE_SPACE(len);
/*
* We write the bitmap length now, but leave the bitmap and the attribute
* buffer length to be backfilled at the end of this routine.
*/
WRITE32(2);
q = p;
p += 3;
if (iap->ia_valid & ATTR_SIZE) {
bmval0 |= FATTR4_WORD0_SIZE;
WRITE64(iap->ia_size);
}
if (iap->ia_valid & ATTR_MODE) {
bmval1 |= FATTR4_WORD1_MODE;
WRITE32(iap->ia_mode & S_IALLUGO);
}
if (iap->ia_valid & ATTR_UID) {
bmval1 |= FATTR4_WORD1_OWNER;
WRITE32(owner_namelen);
WRITEMEM(owner_name, owner_namelen);
}
if (iap->ia_valid & ATTR_GID) {
bmval1 |= FATTR4_WORD1_OWNER_GROUP;
WRITE32(owner_grouplen);
WRITEMEM(owner_group, owner_grouplen);
}
if (iap->ia_valid & ATTR_ATIME_SET) {
bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
WRITE32(NFS4_SET_TO_CLIENT_TIME);
WRITE32(0);
WRITE32(iap->ia_mtime.tv_sec);
WRITE32(iap->ia_mtime.tv_nsec);
}
else if (iap->ia_valid & ATTR_ATIME) {
bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
WRITE32(NFS4_SET_TO_SERVER_TIME);
}
if (iap->ia_valid & ATTR_MTIME_SET) {
bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
WRITE32(NFS4_SET_TO_CLIENT_TIME);
WRITE32(0);
WRITE32(iap->ia_mtime.tv_sec);
WRITE32(iap->ia_mtime.tv_nsec);
}
else if (iap->ia_valid & ATTR_MTIME) {
bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
WRITE32(NFS4_SET_TO_SERVER_TIME);
}
/*
* Now we backfill the bitmap and the attribute buffer length.
*/
if (len != ((char *)p - (char *)q) + 4) {
printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n",
len, ((char *)p - (char *)q) + 4);
BUG();
}
len = (char *)p - (char *)q - 12;
*q++ = htonl(bmval0);
*q++ = htonl(bmval1);
*q++ = htonl(len);
status = 0;
/* out: */
return status;
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static PDEVICE_OBJECT FindVolumeWithHighestUniqueId (int maxUniqueId)
{
PDEVICE_OBJECT highestIdDevice = NULL;
int highestId = -1;
int drive;
for (drive = MIN_MOUNTED_VOLUME_DRIVE_NUMBER; drive <= MAX_MOUNTED_VOLUME_DRIVE_NUMBER; ++drive)
{
PDEVICE_OBJECT device = GetVirtualVolumeDeviceObject (drive);
if (device)
{
PEXTENSION extension = (PEXTENSION) device->DeviceExtension;
if (extension->UniqueVolumeId > highestId && extension->UniqueVolumeId <= maxUniqueId)
{
highestId = extension->UniqueVolumeId;
highestIdDevice = device;
}
}
}
return highestIdDevice;
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int pit_ioport_read(struct kvm_io_device *this,
gpa_t addr, int len, void *data)
{
struct kvm_pit *pit = dev_to_pit(this);
struct kvm_kpit_state *pit_state = &pit->pit_state;
struct kvm *kvm = pit->kvm;
int ret, count;
struct kvm_kpit_channel_state *s;
if (!pit_in_range(addr))
return -EOPNOTSUPP;
addr &= KVM_PIT_CHANNEL_MASK;
s = &pit_state->channels[addr];
mutex_lock(&pit_state->lock);
if (s->status_latched) {
s->status_latched = 0;
ret = s->status;
} else if (s->count_latched) {
switch (s->count_latched) {
default:
case RW_STATE_LSB:
ret = s->latched_count & 0xff;
s->count_latched = 0;
break;
case RW_STATE_MSB:
ret = s->latched_count >> 8;
s->count_latched = 0;
break;
case RW_STATE_WORD0:
ret = s->latched_count & 0xff;
s->count_latched = RW_STATE_MSB;
break;
}
} else {
switch (s->read_state) {
default:
case RW_STATE_LSB:
count = pit_get_count(kvm, addr);
ret = count & 0xff;
break;
case RW_STATE_MSB:
count = pit_get_count(kvm, addr);
ret = (count >> 8) & 0xff;
break;
case RW_STATE_WORD0:
count = pit_get_count(kvm, addr);
ret = count & 0xff;
s->read_state = RW_STATE_WORD1;
break;
case RW_STATE_WORD1:
count = pit_get_count(kvm, addr);
ret = (count >> 8) & 0xff;
s->read_state = RW_STATE_WORD0;
break;
}
}
if (len > sizeof(ret))
len = sizeof(ret);
memcpy(data, (char *)&ret, len);
mutex_unlock(&pit_state->lock);
return 0;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static void pdftex_warn(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
fputs("\nWarning: module writet1 of dvips", stderr);
if (cur_file_name)
fprintf(stderr, " (file %s)", cur_file_name);
fputs(": ", stderr);
vsprintf(print_buf, fmt, args);
fputs(print_buf, stderr);
fputs("\n", stderr);
va_end(args);
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: kdc_handle_protected_negotiation(krb5_context context,
krb5_data *req_pkt, krb5_kdc_req *request,
const krb5_keyblock *reply_key,
krb5_pa_data ***out_enc_padata)
{
krb5_error_code retval = 0;
krb5_checksum checksum;
krb5_data *out = NULL;
krb5_pa_data pa, *pa_in;
pa_in = krb5int_find_pa_data(context, request->padata,
KRB5_ENCPADATA_REQ_ENC_PA_REP);
if (pa_in == NULL)
return 0;
pa.magic = KV5M_PA_DATA;
pa.pa_type = KRB5_ENCPADATA_REQ_ENC_PA_REP;
memset(&checksum, 0, sizeof(checksum));
retval = krb5_c_make_checksum(context,0, reply_key,
KRB5_KEYUSAGE_AS_REQ, req_pkt, &checksum);
if (retval != 0)
goto cleanup;
retval = encode_krb5_checksum(&checksum, &out);
if (retval != 0)
goto cleanup;
pa.contents = (krb5_octet *) out->data;
pa.length = out->length;
retval = add_pa_data_element(context, &pa, out_enc_padata, FALSE);
if (retval)
goto cleanup;
out->data = NULL;
pa.magic = KV5M_PA_DATA;
pa.pa_type = KRB5_PADATA_FX_FAST;
pa.length = 0;
pa.contents = NULL;
retval = add_pa_data_element(context, &pa, out_enc_padata, FALSE);
cleanup:
if (checksum.contents)
krb5_free_checksum_contents(context, &checksum);
if (out != NULL)
krb5_free_data(context, out);
return retval;
}
CWE ID: CWE-476
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static BT_HDR *create_pbuf(UINT16 len, UINT8 *data)
{
BT_HDR* p_buf = GKI_getbuf((UINT16) (len + BTA_HH_MIN_OFFSET + sizeof(BT_HDR)));
if (p_buf) {
UINT8* pbuf_data;
p_buf->len = len;
p_buf->offset = BTA_HH_MIN_OFFSET;
pbuf_data = (UINT8*) (p_buf + 1) + p_buf->offset;
memcpy(pbuf_data, data, len);
}
return p_buf;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: Editor::Command Editor::CreateCommand(const String& command_name,
EditorCommandSource source) {
return Command(InternalCommand(command_name), source, frame_);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void SynchronousCompositorImpl::DidDestroyRendererObjects() {
DCHECK(output_surface_);
DCHECK(begin_frame_source_);
if (registered_with_client_) {
output_surface_->SetTreeActivationCallback(base::Closure());
compositor_client_->DidDestroyCompositor(this);
registered_with_client_ = false;
}
begin_frame_source_->SetClient(nullptr);
output_surface_->SetSyncClient(nullptr);
synchronous_input_handler_proxy_->SetOnlySynchronouslyAnimateRootFlings(
nullptr);
synchronous_input_handler_proxy_ = nullptr;
begin_frame_source_ = nullptr;
output_surface_ = nullptr;
need_animate_input_ = false;
}
CWE ID: CWE-399
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
{
u8 *gb_cur, *version_tlv, version, version_length;
u8 *lto_tlv, lto_length;
u8 *wks_tlv, wks_length;
u8 *miux_tlv, miux_length;
__be16 wks = cpu_to_be16(local->local_wks);
u8 gb_len = 0;
int ret = 0;
version = LLCP_VERSION_11;
version_tlv = nfc_llcp_build_tlv(LLCP_TLV_VERSION, &version,
1, &version_length);
gb_len += version_length;
lto_tlv = nfc_llcp_build_tlv(LLCP_TLV_LTO, &local->lto, 1, <o_length);
gb_len += lto_length;
pr_debug("Local wks 0x%lx\n", local->local_wks);
wks_tlv = nfc_llcp_build_tlv(LLCP_TLV_WKS, (u8 *)&wks, 2, &wks_length);
gb_len += wks_length;
miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&local->miux, 0,
&miux_length);
gb_len += miux_length;
gb_len += ARRAY_SIZE(llcp_magic);
if (gb_len > NFC_MAX_GT_LEN) {
ret = -EINVAL;
goto out;
}
gb_cur = local->gb;
memcpy(gb_cur, llcp_magic, ARRAY_SIZE(llcp_magic));
gb_cur += ARRAY_SIZE(llcp_magic);
memcpy(gb_cur, version_tlv, version_length);
gb_cur += version_length;
memcpy(gb_cur, lto_tlv, lto_length);
gb_cur += lto_length;
memcpy(gb_cur, wks_tlv, wks_length);
gb_cur += wks_length;
memcpy(gb_cur, miux_tlv, miux_length);
gb_cur += miux_length;
local->gb_len = gb_len;
out:
kfree(version_tlv);
kfree(lto_tlv);
kfree(wks_tlv);
kfree(miux_tlv);
return ret;
}
CWE ID: CWE-476
Target: 1
Example 2:
Code: void AutocompleteEditModel::StartAutocomplete(
bool has_selected_text,
bool prevent_inline_autocomplete) const {
ClearPopupKeywordMode();
bool keyword_is_selected = KeywordIsSelected();
popup_->SetHoveredLine(AutocompletePopupModel::kNoMatch);
autocomplete_controller_->Start(
user_text_, GetDesiredTLD(),
prevent_inline_autocomplete || just_deleted_text_ ||
(has_selected_text && inline_autocomplete_text_.empty()) ||
(paste_state_ != NONE), keyword_is_selected,
keyword_is_selected || allow_exact_keyword_match_,
AutocompleteInput::ALL_MATCHES);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Document::writeln(LocalDOMWindow* calling_window,
TrustedHTML* text,
ExceptionState& exception_state) {
DCHECK(calling_window);
DCHECK(RuntimeEnabledFeatures::TrustedDOMTypesEnabled());
writeln(text->toString(), calling_window->document(), exception_state);
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
int r;
gfn_t base_gfn;
unsigned long npages;
unsigned long i;
struct kvm_memory_slot *memslot;
struct kvm_memory_slot old, new;
struct kvm_memslots *slots, *old_memslots;
r = check_memory_region_flags(mem);
if (r)
goto out;
r = -EINVAL;
/* General sanity checks */
if (mem->memory_size & (PAGE_SIZE - 1))
goto out;
if (mem->guest_phys_addr & (PAGE_SIZE - 1))
goto out;
/* We can read the guest memory with __xxx_user() later on. */
if (user_alloc &&
((mem->userspace_addr & (PAGE_SIZE - 1)) ||
!access_ok(VERIFY_WRITE,
(void __user *)(unsigned long)mem->userspace_addr,
mem->memory_size)))
goto out;
if (mem->slot >= KVM_MEM_SLOTS_NUM)
goto out;
if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
goto out;
memslot = id_to_memslot(kvm->memslots, mem->slot);
base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
npages = mem->memory_size >> PAGE_SHIFT;
r = -EINVAL;
if (npages > KVM_MEM_MAX_NR_PAGES)
goto out;
if (!npages)
mem->flags &= ~KVM_MEM_LOG_DIRTY_PAGES;
new = old = *memslot;
new.id = mem->slot;
new.base_gfn = base_gfn;
new.npages = npages;
new.flags = mem->flags;
/* Disallow changing a memory slot's size. */
r = -EINVAL;
if (npages && old.npages && npages != old.npages)
goto out_free;
/* Check for overlaps */
r = -EEXIST;
for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
struct kvm_memory_slot *s = &kvm->memslots->memslots[i];
if (s == memslot || !s->npages)
continue;
if (!((base_gfn + npages <= s->base_gfn) ||
(base_gfn >= s->base_gfn + s->npages)))
goto out_free;
}
/* Free page dirty bitmap if unneeded */
if (!(new.flags & KVM_MEM_LOG_DIRTY_PAGES))
new.dirty_bitmap = NULL;
r = -ENOMEM;
/* Allocate if a slot is being created */
if (npages && !old.npages) {
new.user_alloc = user_alloc;
new.userspace_addr = mem->userspace_addr;
if (kvm_arch_create_memslot(&new, npages))
goto out_free;
}
/* Allocate page dirty bitmap if needed */
if ((new.flags & KVM_MEM_LOG_DIRTY_PAGES) && !new.dirty_bitmap) {
if (kvm_create_dirty_bitmap(&new) < 0)
goto out_free;
/* destroy any largepage mappings for dirty tracking */
}
if (!npages) {
struct kvm_memory_slot *slot;
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
slot = id_to_memslot(slots, mem->slot);
slot->flags |= KVM_MEMSLOT_INVALID;
update_memslots(slots, NULL);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
/* From this point no new shadow pages pointing to a deleted
* memslot will be created.
*
* validation of sp->gfn happens in:
* - gfn_to_hva (kvm_read_guest, gfn_to_pfn)
* - kvm_is_visible_gfn (mmu_check_roots)
*/
kvm_arch_flush_shadow_memslot(kvm, slot);
kfree(old_memslots);
}
r = kvm_arch_prepare_memory_region(kvm, &new, old, mem, user_alloc);
if (r)
goto out_free;
/* map/unmap the pages in iommu page table */
if (npages) {
r = kvm_iommu_map_pages(kvm, &new);
if (r)
goto out_free;
} else
kvm_iommu_unmap_pages(kvm, &old);
r = -ENOMEM;
slots = kmemdup(kvm->memslots, sizeof(struct kvm_memslots),
GFP_KERNEL);
if (!slots)
goto out_free;
/* actual memory is freed via old in kvm_free_physmem_slot below */
if (!npages) {
new.dirty_bitmap = NULL;
memset(&new.arch, 0, sizeof(new.arch));
}
update_memslots(slots, &new);
old_memslots = kvm->memslots;
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
kvm_arch_commit_memory_region(kvm, mem, old, user_alloc);
/*
* If the new memory slot is created, we need to clear all
* mmio sptes.
*/
if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT)
kvm_arch_flush_shadow_all(kvm);
kvm_free_physmem_slot(&old, &new);
kfree(old_memslots);
return 0;
out_free:
kvm_free_physmem_slot(&new, &old);
out:
return r;
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: static void p4_pmu_enable_event(struct perf_event *event)
{
struct hw_perf_event *hwc = &event->hw;
int thread = p4_ht_config_thread(hwc->config);
u64 escr_conf = p4_config_unpack_escr(p4_clear_ht_bit(hwc->config));
unsigned int idx = p4_config_unpack_event(hwc->config);
struct p4_event_bind *bind;
u64 escr_addr, cccr;
bind = &p4_event_bind_map[idx];
escr_addr = (u64)bind->escr_msr[thread];
/*
* - we dont support cascaded counters yet
* - and counter 1 is broken (erratum)
*/
WARN_ON_ONCE(p4_is_event_cascaded(hwc->config));
WARN_ON_ONCE(hwc->idx == 1);
/* we need a real Event value */
escr_conf &= ~P4_ESCR_EVENT_MASK;
escr_conf |= P4_ESCR_EVENT(P4_OPCODE_EVNT(bind->opcode));
cccr = p4_config_unpack_cccr(hwc->config);
/*
* it could be Cache event so we need to write metrics
* into additional MSRs
*/
p4_pmu_enable_pebs(hwc->config);
(void)checking_wrmsrl(escr_addr, escr_conf);
(void)checking_wrmsrl(hwc->config_base,
(cccr & ~P4_CCCR_RESERVED) | P4_CCCR_ENABLE);
}
CWE ID: CWE-399
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int detect_datev(
sc_pkcs15_card_t *p15card
){
if(insert_cert(p15card,"3000C500", 0x45, 0, "Signatur Zertifikat")) return 1;
p15card->tokeninfo->manufacturer_id = strdup("DATEV");
p15card->tokeninfo->label = strdup("DATEV Classic");
insert_cert(p15card,"DF02C200", 0x46, 0, "Verschluesselungs Zertifikat");
insert_cert(p15card,"DF02C500", 0x47, 0, "Authentifizierungs Zertifikat");
insert_key(p15card,"30005371", 0x45, 0x82, 1024, 1, "Signatur Schluessel");
insert_key(p15card,"DF0253B1", 0x46, 0x81, 1024, 1, "Verschluesselungs Schluessel");
insert_key(p15card,"DF025371", 0x47, 0x82, 1024, 1, "Authentifizierungs Schluessel");
insert_pin(p15card,"5001", 1, 0, 0x01, 6, "PIN",
SC_PKCS15_PIN_FLAG_CASE_SENSITIVE | SC_PKCS15_PIN_FLAG_INITIALIZED
);
return 0;
}
CWE ID: CWE-125
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void PasswordAutofillManager::OnShowPasswordSuggestions(
int key,
base::i18n::TextDirection text_direction,
const base::string16& typed_username,
int options,
const gfx::RectF& bounds) {
std::vector<autofill::Suggestion> suggestions;
LoginToPasswordInfoMap::const_iterator fill_data_it =
login_to_password_info_.find(key);
if (fill_data_it == login_to_password_info_.end()) {
NOTREACHED();
return;
}
GetSuggestions(fill_data_it->second, typed_username, &suggestions,
(options & autofill::SHOW_ALL) != 0,
(options & autofill::IS_PASSWORD_FIELD) != 0);
form_data_key_ = key;
if (suggestions.empty()) {
autofill_client_->HideAutofillPopup();
return;
}
if (options & autofill::IS_PASSWORD_FIELD) {
autofill::Suggestion password_field_suggestions(l10n_util::GetStringUTF16(
IDS_AUTOFILL_PASSWORD_FIELD_SUGGESTIONS_TITLE));
password_field_suggestions.frontend_id = autofill::POPUP_ITEM_ID_TITLE;
suggestions.insert(suggestions.begin(), password_field_suggestions);
}
GURL origin = (fill_data_it->second).origin;
bool is_context_secure = autofill_client_->IsContextSecure() &&
(!origin.is_valid() || !origin.SchemeIs("http"));
if (!is_context_secure && security_state::IsHttpWarningInFormEnabled()) {
std::string icon_str;
if (origin.is_valid() && origin.SchemeIs("http")) {
icon_str = "httpWarning";
} else {
icon_str = "httpsInvalid";
}
autofill::Suggestion http_warning_suggestion(
l10n_util::GetStringUTF8(IDS_AUTOFILL_LOGIN_HTTP_WARNING_MESSAGE),
l10n_util::GetStringUTF8(IDS_AUTOFILL_HTTP_WARNING_LEARN_MORE),
icon_str, autofill::POPUP_ITEM_ID_HTTP_NOT_SECURE_WARNING_MESSAGE);
#if !defined(OS_ANDROID)
suggestions.insert(suggestions.begin(), autofill::Suggestion());
suggestions.front().frontend_id = autofill::POPUP_ITEM_ID_SEPARATOR;
#endif
suggestions.insert(suggestions.begin(), http_warning_suggestion);
if (!did_show_form_not_secure_warning_) {
did_show_form_not_secure_warning_ = true;
metrics_util::LogShowedFormNotSecureWarningOnCurrentNavigation();
}
}
if (ShouldShowManualFallbackForPreLollipop(
autofill_client_->GetSyncService())) {
if (base::FeatureList::IsEnabled(
password_manager::features::kEnableManualFallbacksFilling) &&
(options & autofill::IS_PASSWORD_FIELD) && password_client_ &&
password_client_->IsFillingFallbackEnabledForCurrentPage()) {
AddSimpleSuggestionWithSeparatorOnTop(
IDS_AUTOFILL_SHOW_ALL_SAVED_FALLBACK,
autofill::POPUP_ITEM_ID_ALL_SAVED_PASSWORDS_ENTRY, &suggestions);
show_all_saved_passwords_shown_context_ =
metrics_util::SHOW_ALL_SAVED_PASSWORDS_CONTEXT_PASSWORD;
metrics_util::LogContextOfShowAllSavedPasswordsShown(
show_all_saved_passwords_shown_context_);
}
if (base::FeatureList::IsEnabled(
password_manager::features::kEnableManualFallbacksGeneration) &&
password_manager_util::GetPasswordSyncState(
autofill_client_->GetSyncService()) == SYNCING_NORMAL_ENCRYPTION) {
AddSimpleSuggestionWithSeparatorOnTop(
IDS_AUTOFILL_GENERATE_PASSWORD_FALLBACK,
autofill::POPUP_ITEM_ID_GENERATE_PASSWORD_ENTRY, &suggestions);
}
}
autofill_client_->ShowAutofillPopup(bounds,
text_direction,
suggestions,
weak_ptr_factory_.GetWeakPtr());
}
CWE ID: CWE-264
Target: 1
Example 2:
Code: CSSStyleSheetResource::CSSStyleSheetResource(
const ResourceRequest& resource_request,
const ResourceLoaderOptions& options,
const TextResourceDecoderOptions& decoder_options)
: TextResource(resource_request,
ResourceType::kCSSStyleSheet,
options,
decoder_options) {}
CWE ID: CWE-254
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static unsigned long get_seg_limit(struct pt_regs *regs, int seg_reg_idx)
{
struct desc_struct *desc;
unsigned long limit;
short sel;
sel = get_segment_selector(regs, seg_reg_idx);
if (sel < 0)
return 0;
if (user_64bit_mode(regs) || v8086_mode(regs))
return -1L;
if (!sel)
return 0;
desc = get_desc(sel);
if (!desc)
return 0;
/*
* If the granularity bit is set, the limit is given in multiples
* of 4096. This also means that the 12 least significant bits are
* not tested when checking the segment limits. In practice,
* this means that the segment ends in (limit << 12) + 0xfff.
*/
limit = get_desc_limit(desc);
if (desc->g)
limit = (limit << 12) + 0xfff;
return limit;
}
CWE ID: CWE-362
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(dentry->d_sb);
struct hstate *h = hstate_inode(dentry->d_inode);
buf->f_type = HUGETLBFS_MAGIC;
buf->f_bsize = huge_page_size(h);
if (sbinfo) {
spin_lock(&sbinfo->stat_lock);
/* If no limits set, just report 0 for max/free/used
* blocks, like simple_statfs() */
if (sbinfo->max_blocks >= 0) {
buf->f_blocks = sbinfo->max_blocks;
buf->f_bavail = buf->f_bfree = sbinfo->free_blocks;
buf->f_files = sbinfo->max_inodes;
buf->f_ffree = sbinfo->free_inodes;
}
spin_unlock(&sbinfo->stat_lock);
}
buf->f_namelen = NAME_MAX;
return 0;
}
CWE ID: CWE-399
Target: 1
Example 2:
Code: cifs_writedata_release(struct kref *refcount)
{
struct cifs_writedata *wdata = container_of(refcount,
struct cifs_writedata, refcount);
if (wdata->cfile)
cifsFileInfo_put(wdata->cfile);
kfree(wdata);
}
CWE ID: CWE-189
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: Track::~Track()
{
Info& info = const_cast<Info&>(m_info);
info.Clear();
ContentEncoding** i = content_encoding_entries_;
ContentEncoding** const j = content_encoding_entries_end_;
while (i != j) {
ContentEncoding* const encoding = *i++;
delete encoding;
}
delete [] content_encoding_entries_;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int parseOperand(RAsm *a, const char *str, Operand *op, bool isrepop) {
size_t pos, nextpos = 0;
x86newTokenType last_type;
int size_token = 1;
bool explicit_size = false;
int reg_index = 0;
op->type = 0;
while (size_token) {
pos = nextpos;
last_type = getToken (str, &pos, &nextpos);
if (!r_str_ncasecmp (str + pos, "ptr", 3)) {
continue;
} else if (!r_str_ncasecmp (str + pos, "byte", 4)) {
op->type |= OT_MEMORY | OT_BYTE;
op->dest_size = OT_BYTE;
explicit_size = true;
} else if (!r_str_ncasecmp (str + pos, "word", 4)) {
op->type |= OT_MEMORY | OT_WORD;
op->dest_size = OT_WORD;
explicit_size = true;
} else if (!r_str_ncasecmp (str + pos, "dword", 5)) {
op->type |= OT_MEMORY | OT_DWORD;
op->dest_size = OT_DWORD;
explicit_size = true;
} else if (!r_str_ncasecmp (str + pos, "qword", 5)) {
op->type |= OT_MEMORY | OT_QWORD;
op->dest_size = OT_QWORD;
explicit_size = true;
} else if (!r_str_ncasecmp (str + pos, "oword", 5)) {
op->type |= OT_MEMORY | OT_OWORD;
op->dest_size = OT_OWORD;
explicit_size = true;
} else if (!r_str_ncasecmp (str + pos, "tbyte", 5)) {
op->type |= OT_MEMORY | OT_TBYTE;
op->dest_size = OT_TBYTE;
explicit_size = true;
} else { // the current token doesn't denote a size
size_token = 0;
}
}
if (str[pos] == '[') {
if (!op->type) {
op->type = OT_MEMORY;
}
op->offset = op->scale[0] = op->scale[1] = 0;
ut64 temp = 1;
Register reg = X86R_UNDEFINED;
bool first_reg = true;
while (str[pos] != ']') {
if (pos > nextpos) {
break;
}
pos = nextpos;
if (!str[pos]) {
break;
}
last_type = getToken (str, &pos, &nextpos);
if (last_type == TT_SPECIAL) {
if (str[pos] == '+' || str[pos] == '-' || str[pos] == ']') {
if (reg != X86R_UNDEFINED) {
op->regs[reg_index] = reg;
op->scale[reg_index] = temp;
++reg_index;
} else {
op->offset += temp;
op->regs[reg_index] = X86R_UNDEFINED;
}
temp = 1;
reg = X86R_UNDEFINED;
} else if (str[pos] == '*') {
}
}
else if (last_type == TT_WORD) {
ut32 reg_type = 0;
if (reg != X86R_UNDEFINED) {
op->type = 0; // Make the result invalid
}
nextpos = pos;
reg = parseReg (a, str, &nextpos, ®_type);
if (first_reg) {
op->extended = false;
if (reg > 8) {
op->extended = true;
op->reg = reg - 9;
}
first_reg = false;
} else if (reg > 8) {
op->reg = reg - 9;
}
if (reg_type & OT_REGTYPE & OT_SEGMENTREG) {
op->reg = reg;
op->type = reg_type;
parse_segment_offset (a, str, &nextpos, op, reg_index);
return nextpos;
}
if (!explicit_size) {
op->type |= reg_type;
}
op->reg_size = reg_type;
op->explicit_size = explicit_size;
if (!(reg_type & OT_GPREG)) {
op->type = 0; // Make the result invalid
}
}
else {
char *p = strchr (str, '+');
op->offset_sign = 1;
if (!p) {
p = strchr (str, '-');
if (p) {
op->offset_sign = -1;
}
}
char * plus = strchr (str, '+');
char * minus = strchr (str, '-');
char * closeB = strchr (str, ']');
if (plus && minus && plus < closeB && minus < closeB) {
op->offset_sign = -1;
}
char *tmp;
tmp = malloc (strlen (str + pos) + 1);
strcpy (tmp, str + pos);
strtok (tmp, "+-");
st64 read = getnum (a, tmp);
free (tmp);
temp *= read;
}
}
} else if (last_type == TT_WORD) { // register
nextpos = pos;
RFlagItem *flag;
if (isrepop) {
op->is_good_flag = false;
strncpy (op->rep_op, str, MAX_REPOP_LENGTH - 1);
op->rep_op[MAX_REPOP_LENGTH - 1] = '\0';
return nextpos;
}
op->reg = parseReg (a, str, &nextpos, &op->type);
op->extended = false;
if (op->reg > 8) {
op->extended = true;
op->reg -= 9;
}
if (op->type & OT_REGTYPE & OT_SEGMENTREG) {
parse_segment_offset (a, str, &nextpos, op, reg_index);
return nextpos;
}
if (op->reg == X86R_UNDEFINED) {
op->is_good_flag = false;
if (a->num && a->num->value == 0) {
return nextpos;
}
op->type = OT_CONSTANT;
RCore *core = a->num? (RCore *)(a->num->userptr): NULL;
if (core && (flag = r_flag_get (core->flags, str))) {
op->is_good_flag = true;
}
char *p = strchr (str, '-');
if (p) {
op->sign = -1;
str = ++p;
}
op->immediate = getnum (a, str);
} else if (op->reg < X86R_UNDEFINED) {
strncpy (op->rep_op, str, MAX_REPOP_LENGTH - 1);
op->rep_op[MAX_REPOP_LENGTH - 1] = '\0';
}
} else { // immediate
op->type = OT_CONSTANT;
op->sign = 1;
char *p = strchr (str, '-');
if (p) {
op->sign = -1;
str = ++p;
}
op->immediate = getnum (a, str);
}
return nextpos;
}
CWE ID: CWE-125
Target: 1
Example 2:
Code: int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 pid,
unsigned int group, int report, gfp_t flags)
{
int err = 0;
if (group) {
int exclude_pid = 0;
if (report) {
atomic_inc(&skb->users);
exclude_pid = pid;
}
/* errors reported via destination sk->sk_err, but propagate
* delivery errors if NETLINK_BROADCAST_ERROR flag is set */
err = nlmsg_multicast(sk, skb, exclude_pid, group, flags);
}
if (report) {
int err2;
err2 = nlmsg_unicast(sk, skb, pid);
if (!err || err == -ESRCH)
err = err2;
}
return err;
}
CWE ID: CWE-287
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: std::string TestURLLoader::TestFollowURLRedirect() {
pp::URLRequestInfo request(instance_);
std::string redirect_prefix("/server-redirect?");
std::string redirect_url =
GetReachableAbsoluteURL("test_url_loader_data/hello.txt");
request.SetURL(redirect_prefix.append(redirect_url));
return LoadAndCompareBody(request, "hello\n");
}
CWE ID: CWE-284
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void bta_hl_co_put_rx_data (UINT8 app_id, tBTA_HL_MDL_HANDLE mdl_handle,
UINT16 data_size, UINT8 *p_data, UINT16 evt)
{
UINT8 app_idx, mcl_idx, mdl_idx;
btif_hl_mdl_cb_t *p_dcb;
tBTA_HL_STATUS status = BTA_HL_STATUS_FAIL;
int r;
BTIF_TRACE_DEBUG("%s app_id=%d mdl_handle=0x%x data_size=%d",
__FUNCTION__,app_id, mdl_handle, data_size);
if (btif_hl_find_mdl_idx_using_handle(mdl_handle, &app_idx, &mcl_idx, &mdl_idx))
{
p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
if ((p_dcb->p_rx_pkt = (UINT8 *)btif_hl_get_buf(data_size)) != NULL)
{
memcpy(p_dcb->p_rx_pkt, p_data, data_size);
if (p_dcb->p_scb)
{
BTIF_TRACE_DEBUG("app_idx=%d mcl_idx=0x%x mdl_idx=0x%x data_size=%d",
app_idx, mcl_idx, mdl_idx, data_size);
r = send(p_dcb->p_scb->socket_id[1], p_dcb->p_rx_pkt, data_size, 0);
if (r == data_size)
{
BTIF_TRACE_DEBUG("socket send success data_size=%d", data_size);
status = BTA_HL_STATUS_OK;
}
else
{
BTIF_TRACE_ERROR("socket send failed r=%d data_size=%d",r, data_size);
}
}
btif_hl_free_buf((void **) &p_dcb->p_rx_pkt);
}
}
bta_hl_ci_put_rx_data(mdl_handle, status, evt);
}
CWE ID: CWE-284
Target: 1
Example 2:
Code: int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
{
struct page *page;
struct kvm *kvm;
int r;
BUG_ON(vcpu->kvm == NULL);
kvm = vcpu->kvm;
vcpu->arch.pv.pv_unhalted = false;
vcpu->arch.emulate_ctxt.ops = &emulate_ops;
if (!irqchip_in_kernel(kvm) || kvm_vcpu_is_reset_bsp(vcpu))
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
else
vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED;
page = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!page) {
r = -ENOMEM;
goto fail;
}
vcpu->arch.pio_data = page_address(page);
kvm_set_tsc_khz(vcpu, max_tsc_khz);
r = kvm_mmu_create(vcpu);
if (r < 0)
goto fail_free_pio_data;
if (irqchip_in_kernel(kvm)) {
r = kvm_create_lapic(vcpu);
if (r < 0)
goto fail_mmu_destroy;
} else
static_key_slow_inc(&kvm_no_apic_vcpu);
vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4,
GFP_KERNEL);
if (!vcpu->arch.mce_banks) {
r = -ENOMEM;
goto fail_free_lapic;
}
vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS;
if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL)) {
r = -ENOMEM;
goto fail_free_mce_banks;
}
fx_init(vcpu);
vcpu->arch.ia32_tsc_adjust_msr = 0x0;
vcpu->arch.pv_time_enabled = false;
vcpu->arch.guest_supported_xcr0 = 0;
vcpu->arch.guest_xstate_size = XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET;
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT;
kvm_async_pf_hash_reset(vcpu);
kvm_pmu_init(vcpu);
vcpu->arch.pending_external_vector = -1;
return 0;
fail_free_mce_banks:
kfree(vcpu->arch.mce_banks);
fail_free_lapic:
kvm_free_lapic(vcpu);
fail_mmu_destroy:
kvm_mmu_destroy(vcpu);
fail_free_pio_data:
free_page((unsigned long)vcpu->arch.pio_data);
fail:
return r;
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void LargeObjectArena::freeLargeObjectPage(LargeObjectPage* object) {
ASAN_UNPOISON_MEMORY_REGION(object->payload(), object->payloadSize());
object->heapObjectHeader()->finalize(object->payload(),
object->payloadSize());
getThreadState()->heap().heapStats().decreaseAllocatedSpace(object->size());
ASAN_UNPOISON_MEMORY_REGION(object->heapObjectHeader(),
sizeof(HeapObjectHeader));
ASAN_UNPOISON_MEMORY_REGION(object->getAddress() + object->size(),
allocationGranularity);
PageMemory* memory = object->storage();
object->~LargeObjectPage();
delete memory;
}
CWE ID: CWE-119
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void InputDispatcher::enqueueDispatchEntryLocked(
const sp<Connection>& connection, EventEntry* eventEntry, const InputTarget* inputTarget,
int32_t dispatchMode) {
int32_t inputTargetFlags = inputTarget->flags;
if (!(inputTargetFlags & dispatchMode)) {
return;
}
inputTargetFlags = (inputTargetFlags & ~InputTarget::FLAG_DISPATCH_MASK) | dispatchMode;
DispatchEntry* dispatchEntry = new DispatchEntry(eventEntry, // increments ref
inputTargetFlags, inputTarget->xOffset, inputTarget->yOffset,
inputTarget->scaleFactor);
switch (eventEntry->type) {
case EventEntry::TYPE_KEY: {
KeyEntry* keyEntry = static_cast<KeyEntry*>(eventEntry);
dispatchEntry->resolvedAction = keyEntry->action;
dispatchEntry->resolvedFlags = keyEntry->flags;
if (!connection->inputState.trackKey(keyEntry,
dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags)) {
#if DEBUG_DISPATCH_CYCLE
ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: skipping inconsistent key event",
connection->getInputChannelName());
#endif
delete dispatchEntry;
return; // skip the inconsistent event
}
break;
}
case EventEntry::TYPE_MOTION: {
MotionEntry* motionEntry = static_cast<MotionEntry*>(eventEntry);
if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_OUTSIDE) {
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_OUTSIDE;
} else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_EXIT) {
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_EXIT;
} else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_HOVER_ENTER) {
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_ENTER;
} else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_EXIT) {
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_CANCEL;
} else if (dispatchMode & InputTarget::FLAG_DISPATCH_AS_SLIPPERY_ENTER) {
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_DOWN;
} else {
dispatchEntry->resolvedAction = motionEntry->action;
}
if (dispatchEntry->resolvedAction == AMOTION_EVENT_ACTION_HOVER_MOVE
&& !connection->inputState.isHovering(
motionEntry->deviceId, motionEntry->source, motionEntry->displayId)) {
#if DEBUG_DISPATCH_CYCLE
ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: filling in missing hover enter event",
connection->getInputChannelName());
#endif
dispatchEntry->resolvedAction = AMOTION_EVENT_ACTION_HOVER_ENTER;
}
dispatchEntry->resolvedFlags = motionEntry->flags;
if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
dispatchEntry->resolvedFlags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
}
if (!connection->inputState.trackMotion(motionEntry,
dispatchEntry->resolvedAction, dispatchEntry->resolvedFlags)) {
#if DEBUG_DISPATCH_CYCLE
ALOGD("channel '%s' ~ enqueueDispatchEntryLocked: skipping inconsistent motion event",
connection->getInputChannelName());
#endif
delete dispatchEntry;
return; // skip the inconsistent event
}
break;
}
}
if (dispatchEntry->hasForegroundTarget()) {
incrementPendingForegroundDispatchesLocked(eventEntry);
}
connection->outboundQueue.enqueueAtTail(dispatchEntry);
traceOutboundQueueLengthLocked(connection);
}
CWE ID: CWE-264
Target: 1
Example 2:
Code: void WebMediaPlayerImpl::SetSinkId(const blink::WebString& sink_id,
blink::WebSetSinkIdCallbacks* web_callback) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
DVLOG(1) << __func__;
media::OutputDeviceStatusCB callback =
media::ConvertToOutputDeviceStatusCB(web_callback);
media_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&SetSinkIdOnMediaThread, audio_source_provider_,
sink_id.Utf8(), callback));
}
CWE ID: CWE-732
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: mysqlnd_switch_to_ssl_if_needed(
MYSQLND_CONN_DATA * conn,
const MYSQLND_PACKET_GREET * const greet_packet,
const MYSQLND_OPTIONS * const options,
unsigned long mysql_flags
TSRMLS_DC
)
{
enum_func_status ret = FAIL;
const MYSQLND_CHARSET * charset;
MYSQLND_PACKET_AUTH * auth_packet;
DBG_ENTER("mysqlnd_switch_to_ssl_if_needed");
auth_packet = conn->protocol->m.get_auth_packet(conn->protocol, FALSE TSRMLS_CC);
if (!auth_packet) {
SET_OOM_ERROR(*conn->error_info);
goto end;
}
auth_packet->client_flags = mysql_flags;
auth_packet->max_packet_size = MYSQLND_ASSEMBLED_PACKET_MAX_SIZE;
if (options->charset_name && (charset = mysqlnd_find_charset_name(options->charset_name))) {
auth_packet->charset_no = charset->nr;
} else {
#if MYSQLND_UNICODE
auth_packet->charset_no = 200;/* utf8 - swedish collation, check mysqlnd_charset.c */
#else
auth_packet->charset_no = greet_packet->charset_no;
#endif
}
#ifdef MYSQLND_SSL_SUPPORTED
if ((greet_packet->server_capabilities & CLIENT_SSL) && (mysql_flags & CLIENT_SSL)) {
zend_bool verify = mysql_flags & CLIENT_SSL_VERIFY_SERVER_CERT? TRUE:FALSE;
DBG_INF("Switching to SSL");
if (!PACKET_WRITE(auth_packet, conn)) {
CONN_SET_STATE(conn, CONN_QUIT_SENT);
SET_CLIENT_ERROR(*conn->error_info, CR_SERVER_GONE_ERROR, UNKNOWN_SQLSTATE, mysqlnd_server_gone);
goto end;
}
conn->net->m.set_client_option(conn->net, MYSQL_OPT_SSL_VERIFY_SERVER_CERT, (const char *) &verify TSRMLS_CC);
if (FAIL == conn->net->m.enable_ssl(conn->net TSRMLS_CC)) {
goto end;
}
}
#endif
ret = PASS;
end:
PACKET_FREE(auth_packet);
DBG_RETURN(ret);
}
CWE ID: CWE-284
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: std::string* GetTestingDMToken() {
static std::string dm_token;
return &dm_token;
}
CWE ID: CWE-20
Target: 1
Example 2:
Code: json_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
char *str;
int nbytes;
JsonLexContext *lex;
str = pq_getmsgtext(buf, buf->len - buf->cursor, &nbytes);
/* Validate it. */
lex = makeJsonLexContextCstringLen(str, nbytes, false);
pg_parse_json(lex, &nullSemAction);
PG_RETURN_TEXT_P(cstring_to_text_with_len(str, nbytes));
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void UnloadController::TabDetachedAt(TabContents* contents, int index) {
TabDetachedImpl(contents);
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int usb_enumerate_device_otg(struct usb_device *udev)
{
int err = 0;
#ifdef CONFIG_USB_OTG
/*
* OTG-aware devices on OTG-capable root hubs may be able to use SRP,
* to wake us after we've powered off VBUS; and HNP, switching roles
* "host" to "peripheral". The OTG descriptor helps figure this out.
*/
if (!udev->bus->is_b_host
&& udev->config
&& udev->parent == udev->bus->root_hub) {
struct usb_otg_descriptor *desc = NULL;
struct usb_bus *bus = udev->bus;
unsigned port1 = udev->portnum;
/* descriptor may appear anywhere in config */
err = __usb_get_extra_descriptor(udev->rawdescriptors[0],
le16_to_cpu(udev->config[0].desc.wTotalLength),
USB_DT_OTG, (void **) &desc);
if (err || !(desc->bmAttributes & USB_OTG_HNP))
return 0;
dev_info(&udev->dev, "Dual-Role OTG device on %sHNP port\n",
(port1 == bus->otg_port) ? "" : "non-");
/* enable HNP before suspend, it's simpler */
if (port1 == bus->otg_port) {
bus->b_hnp_enable = 1;
err = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
USB_REQ_SET_FEATURE, 0,
USB_DEVICE_B_HNP_ENABLE,
0, NULL, 0,
USB_CTRL_SET_TIMEOUT);
if (err < 0) {
/*
* OTG MESSAGE: report errors here,
* customize to match your product.
*/
dev_err(&udev->dev, "can't set HNP mode: %d\n",
err);
bus->b_hnp_enable = 0;
}
} else if (desc->bLength == sizeof
(struct usb_otg_descriptor)) {
/* Set a_alt_hnp_support for legacy otg device */
err = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
USB_REQ_SET_FEATURE, 0,
USB_DEVICE_A_ALT_HNP_SUPPORT,
0, NULL, 0,
USB_CTRL_SET_TIMEOUT);
if (err < 0)
dev_err(&udev->dev,
"set a_alt_hnp_support failed: %d\n",
err);
}
}
#endif
return err;
}
CWE ID: CWE-400
Target: 1
Example 2:
Code: void ChromeClientImpl::AttachRootGraphicsLayer(GraphicsLayer* root_layer,
LocalFrame* local_frame) {
DCHECK(!RuntimeEnabledFeatures::SlimmingPaintV2Enabled());
WebLocalFrameImpl* web_frame =
WebLocalFrameImpl::FromFrame(local_frame)->LocalRoot();
DCHECK(web_frame->FrameWidget() || !root_layer);
if (web_frame->FrameWidget())
web_frame->FrameWidget()->SetRootGraphicsLayer(root_layer);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int main(int argc, char **argv) {
int frame_cnt = 0;
FILE *outfile = NULL;
vpx_codec_ctx_t codec;
VpxVideoReader *reader = NULL;
const VpxVideoInfo *info = NULL;
const VpxInterface *decoder = NULL;
exec_name = argv[0];
if (argc != 3)
die("Invalid number of arguments.");
reader = vpx_video_reader_open(argv[1]);
if (!reader)
die("Failed to open %s for reading.", argv[1]);
if (!(outfile = fopen(argv[2], "wb")))
die("Failed to open %s for writing.", argv[2]);
info = vpx_video_reader_get_info(reader);
decoder = get_vpx_decoder_by_fourcc(info->codec_fourcc);
if (!decoder)
die("Unknown input codec.");
printf("Using %s\n", vpx_codec_iface_name(decoder->interface()));
if (vpx_codec_dec_init(&codec, decoder->interface(), NULL, 0))
die_codec(&codec, "Failed to initialize decoder");
while (vpx_video_reader_read_frame(reader)) {
vpx_codec_iter_t iter = NULL;
vpx_image_t *img = NULL;
size_t frame_size = 0;
const unsigned char *frame = vpx_video_reader_get_frame(reader,
&frame_size);
if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 0))
die_codec(&codec, "Failed to decode frame");
while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL) {
unsigned char digest[16];
get_image_md5(img, digest);
print_md5(outfile, digest);
fprintf(outfile, " img-%dx%d-%04d.i420\n",
img->d_w, img->d_h, ++frame_cnt);
}
}
printf("Processed %d frames.\n", frame_cnt);
if (vpx_codec_destroy(&codec))
die_codec(&codec, "Failed to destroy codec.");
vpx_video_reader_close(reader);
fclose(outfile);
return EXIT_SUCCESS;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: cJSON *cJSON_CreateNull( void )
{
cJSON *item = cJSON_New_Item();
if ( item )
item->type = cJSON_NULL;
return item;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: void TabStripModel::InsertTabContentsAt(int index,
TabContents* contents,
int add_types) {
bool active = add_types & ADD_ACTIVE;
extensions::TabHelper* extensions_tab_helper =
extensions::TabHelper::FromWebContents(contents->web_contents());
bool pin = extensions_tab_helper->is_app() || add_types & ADD_PINNED;
index = ConstrainInsertionIndex(index, pin);
closing_all_ = false;
WebContents* active_contents = GetActiveWebContents();
WebContentsData* data = new WebContentsData(contents->web_contents());
data->pinned = pin;
if ((add_types & ADD_INHERIT_GROUP) && active_contents) {
if (active) {
ForgetAllOpeners();
}
data->SetGroup(active_contents);
} else if ((add_types & ADD_INHERIT_OPENER) && active_contents) {
if (active) {
ForgetAllOpeners();
}
data->opener = active_contents;
}
contents_data_.insert(contents_data_.begin() + index, data);
selection_model_.IncrementFrom(index);
FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
TabInsertedAt(contents->web_contents(), index, active));
if (active) {
TabStripSelectionModel new_model;
new_model.Copy(selection_model_);
new_model.SetSelectedIndex(index);
SetSelection(new_model, NOTIFY_DEFAULT);
}
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Texture::Destroy() {
if (id_ != 0) {
ScopedGLErrorSuppressor suppressor(decoder_);
glDeleteTextures(1, &id_);
id_ = 0;
memory_tracker_.UpdateMemRepresented(0);
TRACE_BACKBUFFER_MEMORY_TOTAL(decoder_);
}
}
CWE ID: CWE-189
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: png_write_start_row(png_structp png_ptr)
{
#ifdef PNG_WRITE_INTERLACING_SUPPORTED
/* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */
/* Start of interlace block */
int png_pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
/* Offset to next interlace block */
int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
/* Start of interlace block in the y direction */
int png_pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
/* Offset to next interlace block in the y direction */
int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
#endif
png_size_t buf_size;
png_debug(1, "in png_write_start_row");
buf_size = (png_size_t)(PNG_ROWBYTES(
png_ptr->usr_channels*png_ptr->usr_bit_depth, png_ptr->width) + 1);
/* Set up row buffer */
png_ptr->row_buf = (png_bytep)png_malloc(png_ptr,
(png_uint_32)buf_size);
png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE;
#ifdef PNG_WRITE_FILTER_SUPPORTED
/* Set up filtering buffer, if using this filter */
if (png_ptr->do_filter & PNG_FILTER_SUB)
{
png_ptr->sub_row = (png_bytep)png_malloc(png_ptr,
(png_uint_32)(png_ptr->rowbytes + 1));
png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB;
}
/* We only need to keep the previous row if we are using one of these. */
if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH))
{
/* Set up previous row buffer */
png_ptr->prev_row = (png_bytep)png_calloc(png_ptr,
(png_uint_32)buf_size);
if (png_ptr->do_filter & PNG_FILTER_UP)
{
png_ptr->up_row = (png_bytep)png_malloc(png_ptr,
(png_uint_32)(png_ptr->rowbytes + 1));
png_ptr->up_row[0] = PNG_FILTER_VALUE_UP;
}
if (png_ptr->do_filter & PNG_FILTER_AVG)
{
png_ptr->avg_row = (png_bytep)png_malloc(png_ptr,
(png_uint_32)(png_ptr->rowbytes + 1));
png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG;
}
if (png_ptr->do_filter & PNG_FILTER_PAETH)
{
png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr,
(png_uint_32)(png_ptr->rowbytes + 1));
png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH;
}
}
#endif /* PNG_WRITE_FILTER_SUPPORTED */
#ifdef PNG_WRITE_INTERLACING_SUPPORTED
/* If interlaced, we need to set up width and height of pass */
if (png_ptr->interlaced)
{
if (!(png_ptr->transformations & PNG_INTERLACE))
{
png_ptr->num_rows = (png_ptr->height + png_pass_yinc[0] - 1 -
png_pass_ystart[0]) / png_pass_yinc[0];
png_ptr->usr_width = (png_ptr->width + png_pass_inc[0] - 1 -
png_pass_start[0]) / png_pass_inc[0];
}
else
{
png_ptr->num_rows = png_ptr->height;
png_ptr->usr_width = png_ptr->width;
}
}
else
#endif
{
png_ptr->num_rows = png_ptr->height;
png_ptr->usr_width = png_ptr->width;
}
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
png_ptr->zstream.next_out = png_ptr->zbuf;
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: void Respond(const WebURLResponse& response) {
EXPECT_TRUE(active_loader());
data_provider()->DidReceiveResponse(response);
base::RunLoop().RunUntilIdle();
}
CWE ID: CWE-732
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void vp8_decoder_remove_threads(VP8D_COMP *pbi)
{
/* shutdown MB Decoding thread; */
if (pbi->b_multithreaded_rd)
{
int i;
pbi->b_multithreaded_rd = 0;
/* allow all threads to exit */
for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
{
sem_post(&pbi->h_event_start_decoding[i]);
pthread_join(pbi->h_decoding_thread[i], NULL);
}
for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
{
sem_destroy(&pbi->h_event_start_decoding[i]);
}
sem_destroy(&pbi->h_event_end_decoding);
vpx_free(pbi->h_decoding_thread);
pbi->h_decoding_thread = NULL;
vpx_free(pbi->h_event_start_decoding);
pbi->h_event_start_decoding = NULL;
vpx_free(pbi->mb_row_di);
pbi->mb_row_di = NULL ;
vpx_free(pbi->de_thread_data);
pbi->de_thread_data = NULL;
}
}
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void PageInfo::PresentSiteIdentity() {
DCHECK_NE(site_identity_status_, SITE_IDENTITY_STATUS_UNKNOWN);
DCHECK_NE(site_connection_status_, SITE_CONNECTION_STATUS_UNKNOWN);
PageInfoUI::IdentityInfo info;
if (site_identity_status_ == SITE_IDENTITY_STATUS_EV_CERT)
info.site_identity = UTF16ToUTF8(organization_name());
else
info.site_identity = UTF16ToUTF8(GetSimpleSiteName(site_url_));
info.connection_status = site_connection_status_;
info.connection_status_description = UTF16ToUTF8(site_connection_details_);
info.identity_status = site_identity_status_;
info.safe_browsing_status = safe_browsing_status_;
info.identity_status_description = UTF16ToUTF8(site_details_message_);
info.certificate = certificate_;
info.show_ssl_decision_revoke_button = show_ssl_decision_revoke_button_;
info.show_change_password_buttons = show_change_password_buttons_;
ui_->SetIdentityInfo(info);
}
CWE ID: CWE-311
Target: 1
Example 2:
Code: void ResourceFetcher::requestPreload(Resource::Type type, FetchRequest& request, const String& charset)
{
if (type == Resource::MainResource)
return;
String encoding;
if (type == Resource::Script || type == Resource::CSSStyleSheet)
encoding = charset.isEmpty() ? m_document->charset().string() : charset;
request.setCharset(encoding);
request.setForPreload(true);
ResourcePtr<Resource> resource = requestResource(type, request);
if (!resource || (m_preloads && m_preloads->contains(resource.get())))
return;
TRACE_EVENT_ASYNC_STEP_INTO0("net", "Resource", resource.get(), "Preload");
resource->increasePreloadCount();
if (!m_preloads)
m_preloads = adoptPtr(new ListHashSet<Resource*>);
m_preloads->add(resource.get());
#if PRELOAD_DEBUG
printf("PRELOADING %s\n", resource->url().string().latin1().data());
#endif
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
MOVTrack *track, int64_t moof_offset)
{
int64_t pos = avio_tell(pb);
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
MOV_TFHD_BASE_DATA_OFFSET;
if (!track->entry) {
flags |= MOV_TFHD_DURATION_IS_EMPTY;
} else {
flags |= MOV_TFHD_DEFAULT_FLAGS;
}
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
}
/* Don't set a default sample size, the silverlight player refuses
* to play files with that set. Don't set a default sample duration,
* WMP freaks out if it is set. Don't set a base data offset, PIFF
* file format says it MUST NOT be set. */
if (track->mode == MODE_ISM)
flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
MOV_TFHD_BASE_DATA_OFFSET);
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "tfhd");
avio_w8(pb, 0); /* version */
avio_wb24(pb, flags);
avio_wb32(pb, track->track_id); /* track-id */
if (flags & MOV_TFHD_BASE_DATA_OFFSET)
avio_wb64(pb, moof_offset);
if (flags & MOV_TFHD_DEFAULT_DURATION) {
track->default_duration = get_cluster_duration(track, 0);
avio_wb32(pb, track->default_duration);
}
if (flags & MOV_TFHD_DEFAULT_SIZE) {
track->default_size = track->entry ? track->cluster[0].size : 1;
avio_wb32(pb, track->default_size);
} else
track->default_size = -1;
if (flags & MOV_TFHD_DEFAULT_FLAGS) {
/* Set the default flags based on the second sample, if available.
* If the first sample is different, that can be signaled via a separate field. */
if (track->entry > 1)
track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
else
track->default_sample_flags =
track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
avio_wb32(pb, track->default_sample_flags);
}
return update_size(pb, pos);
}
CWE ID: CWE-369
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int ff_mpeg4_decode_picture_header(Mpeg4DecContext *ctx, GetBitContext *gb)
{
MpegEncContext *s = &ctx->m;
unsigned startcode, v;
int ret;
int vol = 0;
/* search next start code */
align_get_bits(gb);
if (!s->studio_profile && s->avctx->bits_per_raw_sample != 8)
s->avctx->bits_per_raw_sample = 0;
if (s->codec_tag == AV_RL32("WV1F") && show_bits(gb, 24) == 0x575630) {
skip_bits(gb, 24);
if (get_bits(gb, 8) == 0xF0)
goto end;
}
startcode = 0xff;
for (;;) {
if (get_bits_count(gb) >= gb->size_in_bits) {
if (gb->size_in_bits == 8 &&
(ctx->divx_version >= 0 || ctx->xvid_build >= 0) || s->codec_tag == AV_RL32("QMP4")) {
av_log(s->avctx, AV_LOG_VERBOSE, "frame skip %d\n", gb->size_in_bits);
return FRAME_SKIPPED; // divx bug
} else
return AVERROR_INVALIDDATA; // end of stream
}
/* use the bits after the test */
v = get_bits(gb, 8);
startcode = ((startcode << 8) | v) & 0xffffffff;
if ((startcode & 0xFFFFFF00) != 0x100)
continue; // no startcode
if (s->avctx->debug & FF_DEBUG_STARTCODE) {
av_log(s->avctx, AV_LOG_DEBUG, "startcode: %3X ", startcode);
if (startcode <= 0x11F)
av_log(s->avctx, AV_LOG_DEBUG, "Video Object Start");
else if (startcode <= 0x12F)
av_log(s->avctx, AV_LOG_DEBUG, "Video Object Layer Start");
else if (startcode <= 0x13F)
av_log(s->avctx, AV_LOG_DEBUG, "Reserved");
else if (startcode <= 0x15F)
av_log(s->avctx, AV_LOG_DEBUG, "FGS bp start");
else if (startcode <= 0x1AF)
av_log(s->avctx, AV_LOG_DEBUG, "Reserved");
else if (startcode == 0x1B0)
av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Seq Start");
else if (startcode == 0x1B1)
av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Seq End");
else if (startcode == 0x1B2)
av_log(s->avctx, AV_LOG_DEBUG, "User Data");
else if (startcode == 0x1B3)
av_log(s->avctx, AV_LOG_DEBUG, "Group of VOP start");
else if (startcode == 0x1B4)
av_log(s->avctx, AV_LOG_DEBUG, "Video Session Error");
else if (startcode == 0x1B5)
av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Start");
else if (startcode == 0x1B6)
av_log(s->avctx, AV_LOG_DEBUG, "Video Object Plane start");
else if (startcode == 0x1B7)
av_log(s->avctx, AV_LOG_DEBUG, "slice start");
else if (startcode == 0x1B8)
av_log(s->avctx, AV_LOG_DEBUG, "extension start");
else if (startcode == 0x1B9)
av_log(s->avctx, AV_LOG_DEBUG, "fgs start");
else if (startcode == 0x1BA)
av_log(s->avctx, AV_LOG_DEBUG, "FBA Object start");
else if (startcode == 0x1BB)
av_log(s->avctx, AV_LOG_DEBUG, "FBA Object Plane start");
else if (startcode == 0x1BC)
av_log(s->avctx, AV_LOG_DEBUG, "Mesh Object start");
else if (startcode == 0x1BD)
av_log(s->avctx, AV_LOG_DEBUG, "Mesh Object Plane start");
else if (startcode == 0x1BE)
av_log(s->avctx, AV_LOG_DEBUG, "Still Texture Object start");
else if (startcode == 0x1BF)
av_log(s->avctx, AV_LOG_DEBUG, "Texture Spatial Layer start");
else if (startcode == 0x1C0)
av_log(s->avctx, AV_LOG_DEBUG, "Texture SNR Layer start");
else if (startcode == 0x1C1)
av_log(s->avctx, AV_LOG_DEBUG, "Texture Tile start");
else if (startcode == 0x1C2)
av_log(s->avctx, AV_LOG_DEBUG, "Texture Shape Layer start");
else if (startcode == 0x1C3)
av_log(s->avctx, AV_LOG_DEBUG, "stuffing start");
else if (startcode <= 0x1C5)
av_log(s->avctx, AV_LOG_DEBUG, "reserved");
else if (startcode <= 0x1FF)
av_log(s->avctx, AV_LOG_DEBUG, "System start");
av_log(s->avctx, AV_LOG_DEBUG, " at %d\n", get_bits_count(gb));
}
if (startcode >= 0x120 && startcode <= 0x12F) {
if (vol) {
av_log(s->avctx, AV_LOG_WARNING, "Ignoring multiple VOL headers\n");
continue;
}
vol++;
if ((ret = decode_vol_header(ctx, gb)) < 0)
return ret;
} else if (startcode == USER_DATA_STARTCODE) {
decode_user_data(ctx, gb);
} else if (startcode == GOP_STARTCODE) {
mpeg4_decode_gop_header(s, gb);
} else if (startcode == VOS_STARTCODE) {
mpeg4_decode_profile_level(s, gb);
if (s->avctx->profile == FF_PROFILE_MPEG4_SIMPLE_STUDIO &&
(s->avctx->level > 0 && s->avctx->level < 9)) {
s->studio_profile = 1;
next_start_code_studio(gb);
extension_and_user_data(s, gb, 0);
}
} else if (startcode == VISUAL_OBJ_STARTCODE) {
if (s->studio_profile) {
if ((ret = decode_studiovisualobject(ctx, gb)) < 0)
return ret;
} else
mpeg4_decode_visual_object(s, gb);
} else if (startcode == VOP_STARTCODE) {
break;
}
align_get_bits(gb);
startcode = 0xff;
}
end:
if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
s->low_delay = 1;
s->avctx->has_b_frames = !s->low_delay;
if (s->studio_profile) {
if (!s->avctx->bits_per_raw_sample) {
av_log(s->avctx, AV_LOG_ERROR, "Missing VOL header\n");
return AVERROR_INVALIDDATA;
}
return decode_studio_vop_header(ctx, gb);
} else
return decode_vop_header(ctx, gb);
}
CWE ID: CWE-476
Target: 1
Example 2:
Code: void TakeOwnership() {
target_contents_owner_.reset(params_->target_contents);
}
CWE ID: CWE-20
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
struct nlattr **attrs)
{
struct net *net = sock_net(skb->sk);
struct xfrm_state *x;
int err;
struct xfrm_user_expire *ue = nlmsg_data(nlh);
struct xfrm_usersa_info *p = &ue->state;
struct xfrm_mark m;
u32 mark = xfrm_mark_get(attrs, &m);
x = xfrm_state_lookup(net, mark, &p->id.daddr, p->id.spi, p->id.proto, p->family);
err = -ENOENT;
if (x == NULL)
return err;
spin_lock_bh(&x->lock);
err = -EINVAL;
if (x->km.state != XFRM_STATE_VALID)
goto out;
km_state_expired(x, ue->hard, current->pid);
if (ue->hard) {
uid_t loginuid = audit_get_loginuid(current);
u32 sessionid = audit_get_sessionid(current);
u32 sid;
security_task_getsecid(current, &sid);
__xfrm_state_delete(x);
xfrm_audit_state_delete(x, 1, loginuid, sessionid, sid);
}
err = 0;
out:
spin_unlock_bh(&x->lock);
xfrm_state_put(x);
return err;
}
CWE ID:
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static void onEndTest(void* self)
{
ASSERT(isMainThread());
webkit_support::QuitMessageLoop();
CCLayerTreeHostTest* test = static_cast<CCLayerTreeHostTest*>(self);
ASSERT(test);
test->m_layerTreeHost.clear();
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: u32 ip_idents_reserve(u32 hash, int segs)
{
u32 *p_tstamp = ip_tstamps + hash % IP_IDENTS_SZ;
atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ;
u32 old = ACCESS_ONCE(*p_tstamp);
u32 now = (u32)jiffies;
u32 new, delta = 0;
if (old != now && cmpxchg(p_tstamp, old, now) == old)
delta = prandom_u32_max(now - old);
/* Do not use atomic_add_return() as it makes UBSAN unhappy */
do {
old = (u32)atomic_read(p_id);
new = old + delta + segs;
} while (atomic_cmpxchg(p_id, old, new) != old);
return new - segs;
}
CWE ID: CWE-476
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static void spl_ptr_heap_insert(spl_ptr_heap *heap, spl_ptr_heap_element elem, void *cmp_userdata TSRMLS_DC) { /* {{{ */
int i;
if (heap->count+1 > heap->max_size) {
/* we need to allocate more memory */
heap->elements = (void **) safe_erealloc(heap->elements, sizeof(spl_ptr_heap_element), (heap->max_size), (sizeof(spl_ptr_heap_element) * (heap->max_size)));
heap->max_size *= 2;
}
heap->ctor(elem TSRMLS_CC);
/* sifting up */
for(i = heap->count++; i > 0 && heap->cmp(heap->elements[(i-1)/2], elem, cmp_userdata TSRMLS_CC) < 0; i = (i-1)/2) {
heap->elements[i] = heap->elements[(i-1)/2];
}
if (EG(exception)) {
/* exception thrown during comparison */
}
heap->elements[i] = elem;
}
/* }}} */
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void AudioInputRendererHost::OnCreateStream(
int stream_id, const media::AudioParameters& params,
const std::string& device_id, bool automatic_gain_control) {
VLOG(1) << "AudioInputRendererHost::OnCreateStream(stream_id="
<< stream_id << ")";
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
DCHECK(LookupById(stream_id) == NULL);
media::AudioParameters audio_params(params);
if (media_stream_manager_->audio_input_device_manager()->
ShouldUseFakeDevice()) {
audio_params.Reset(media::AudioParameters::AUDIO_FAKE,
params.channel_layout(), params.sample_rate(),
params.bits_per_sample(), params.frames_per_buffer());
} else if (WebContentsCaptureUtil::IsWebContentsDeviceId(device_id)) {
audio_params.Reset(media::AudioParameters::AUDIO_VIRTUAL,
params.channel_layout(), params.sample_rate(),
params.bits_per_sample(), params.frames_per_buffer());
}
DCHECK_GT(audio_params.frames_per_buffer(), 0);
uint32 buffer_size = audio_params.GetBytesPerBuffer();
scoped_ptr<AudioEntry> entry(new AudioEntry());
uint32 mem_size = sizeof(media::AudioInputBufferParameters) + buffer_size;
if (!entry->shared_memory.CreateAndMapAnonymous(mem_size)) {
SendErrorMessage(stream_id);
return;
}
scoped_ptr<AudioInputSyncWriter> writer(
new AudioInputSyncWriter(&entry->shared_memory));
if (!writer->Init()) {
SendErrorMessage(stream_id);
return;
}
entry->writer.reset(writer.release());
entry->controller = media::AudioInputController::CreateLowLatency(
audio_manager_,
this,
audio_params,
device_id,
entry->writer.get());
if (!entry->controller) {
SendErrorMessage(stream_id);
return;
}
if (params.format() == media::AudioParameters::AUDIO_PCM_LOW_LATENCY)
entry->controller->SetAutomaticGainControl(automatic_gain_control);
entry->stream_id = stream_id;
audio_entries_.insert(std::make_pair(stream_id, entry.release()));
}
CWE ID: CWE-189
Target: 1
Example 2:
Code: SPICE_GNUC_VISIBLE const char** spice_server_char_device_recognized_subtypes(void)
{
return spice_server_char_device_recognized_subtypes_list;
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int ocfs2_set_acl(handle_t *handle,
struct inode *inode,
struct buffer_head *di_bh,
int type,
struct posix_acl *acl,
struct ocfs2_alloc_context *meta_ac,
struct ocfs2_alloc_context *data_ac)
{
int name_index;
void *value = NULL;
size_t size = 0;
int ret;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
switch (type) {
case ACL_TYPE_ACCESS:
name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
umode_t mode = inode->i_mode;
ret = posix_acl_equiv_mode(acl, &mode);
if (ret < 0)
return ret;
if (ret == 0)
acl = NULL;
ret = ocfs2_acl_set_mode(inode, di_bh,
handle, mode);
if (ret)
return ret;
}
break;
case ACL_TYPE_DEFAULT:
name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
}
if (acl) {
value = ocfs2_acl_to_xattr(acl, &size);
if (IS_ERR(value))
return (int)PTR_ERR(value);
}
if (handle)
ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index,
"", value, size, 0,
meta_ac, data_ac);
else
ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);
kfree(value);
return ret;
}
CWE ID: CWE-285
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: htc_request_check_host_hdr(struct http *hp)
{
int u;
int seen_host = 0;
for (u = HTTP_HDR_FIRST; u < hp->nhd; u++) {
if (hp->hd[u].b == NULL)
continue;
AN(hp->hd[u].b);
AN(hp->hd[u].e);
if (http_IsHdr(&hp->hd[u], H_Host)) {
if (seen_host) {
return (400);
}
seen_host = 1;
}
}
return (0);
}
CWE ID:
Target: 1
Example 2:
Code: static int decode_renew(struct xdr_stream *xdr)
{
return decode_op_hdr(xdr, OP_RENEW);
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: static int replace_map_fd_with_map_ptr(struct verifier_env *env)
{
struct bpf_insn *insn = env->prog->insnsi;
int insn_cnt = env->prog->len;
int i, j;
for (i = 0; i < insn_cnt; i++, insn++) {
if (BPF_CLASS(insn->code) == BPF_LDX &&
(BPF_MODE(insn->code) != BPF_MEM || insn->imm != 0)) {
verbose("BPF_LDX uses reserved fields\n");
return -EINVAL;
}
if (BPF_CLASS(insn->code) == BPF_STX &&
((BPF_MODE(insn->code) != BPF_MEM &&
BPF_MODE(insn->code) != BPF_XADD) || insn->imm != 0)) {
verbose("BPF_STX uses reserved fields\n");
return -EINVAL;
}
if (insn[0].code == (BPF_LD | BPF_IMM | BPF_DW)) {
struct bpf_map *map;
struct fd f;
if (i == insn_cnt - 1 || insn[1].code != 0 ||
insn[1].dst_reg != 0 || insn[1].src_reg != 0 ||
insn[1].off != 0) {
verbose("invalid bpf_ld_imm64 insn\n");
return -EINVAL;
}
if (insn->src_reg == 0)
/* valid generic load 64-bit imm */
goto next_insn;
if (insn->src_reg != BPF_PSEUDO_MAP_FD) {
verbose("unrecognized bpf_ld_imm64 insn\n");
return -EINVAL;
}
f = fdget(insn->imm);
map = __bpf_map_get(f);
if (IS_ERR(map)) {
verbose("fd %d is not pointing to valid bpf_map\n",
insn->imm);
fdput(f);
return PTR_ERR(map);
}
/* store map pointer inside BPF_LD_IMM64 instruction */
insn[0].imm = (u32) (unsigned long) map;
insn[1].imm = ((u64) (unsigned long) map) >> 32;
/* check whether we recorded this map already */
for (j = 0; j < env->used_map_cnt; j++)
if (env->used_maps[j] == map) {
fdput(f);
goto next_insn;
}
if (env->used_map_cnt >= MAX_USED_MAPS) {
fdput(f);
return -E2BIG;
}
/* remember this map */
env->used_maps[env->used_map_cnt++] = map;
/* hold the map. If the program is rejected by verifier,
* the map will be released by release_maps() or it
* will be used by the valid program until it's unloaded
* and all maps are released in free_bpf_prog_info()
*/
bpf_map_inc(map, false);
fdput(f);
next_insn:
insn++;
i++;
}
}
/* now all pseudo BPF_LD_IMM64 instructions load valid
* 'struct bpf_map *' into a register instead of user map_fd.
* These pointers will be used later by verifier to validate map access.
*/
return 0;
}
CWE ID:
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
{
opj_image_cmptparm_t cmptparm[4]; /* maximum of 4 components */
OPJ_UINT8 lut_R[256], lut_G[256], lut_B[256];
OPJ_UINT8 const* pLUT[3];
opj_image_t * image = NULL;
FILE *IN;
OPJ_BITMAPFILEHEADER File_h;
OPJ_BITMAPINFOHEADER Info_h;
OPJ_UINT32 i, palette_len, numcmpts = 1U;
OPJ_BOOL l_result = OPJ_FALSE;
OPJ_UINT8* pData = NULL;
OPJ_UINT32 stride;
pLUT[0] = lut_R; pLUT[1] = lut_G; pLUT[2] = lut_B;
IN = fopen(filename, "rb");
if (!IN)
{
fprintf(stderr, "Failed to open %s for reading !!\n", filename);
return NULL;
}
if (!bmp_read_file_header(IN, &File_h)) {
fclose(IN);
return NULL;
}
if (!bmp_read_info_header(IN, &Info_h)) {
fclose(IN);
return NULL;
}
/* Load palette */
if (Info_h.biBitCount <= 8U)
{
memset(&lut_R[0], 0, sizeof(lut_R));
memset(&lut_G[0], 0, sizeof(lut_G));
memset(&lut_B[0], 0, sizeof(lut_B));
palette_len = Info_h.biClrUsed;
if((palette_len == 0U) && (Info_h.biBitCount <= 8U)) {
palette_len = (1U << Info_h.biBitCount);
}
if (palette_len > 256U) {
palette_len = 256U;
}
if (palette_len > 0U) {
OPJ_UINT8 has_color = 0U;
for (i = 0U; i < palette_len; i++) {
lut_B[i] = (OPJ_UINT8)getc(IN);
lut_G[i] = (OPJ_UINT8)getc(IN);
lut_R[i] = (OPJ_UINT8)getc(IN);
(void)getc(IN); /* padding */
has_color |= (lut_B[i] ^ lut_G[i]) | (lut_G[i] ^ lut_R[i]);
}
if(has_color) {
numcmpts = 3U;
}
}
} else {
numcmpts = 3U;
if ((Info_h.biCompression == 3) && (Info_h.biAlphaMask != 0U)) {
numcmpts++;
}
}
stride = ((Info_h.biWidth * Info_h.biBitCount + 31U) / 32U) * 4U; /* rows are aligned on 32bits */
if (Info_h.biBitCount == 4 && Info_h.biCompression == 2) { /* RLE 4 gets decoded as 8 bits data for now... */
stride = ((Info_h.biWidth * 8U + 31U) / 32U) * 4U;
}
pData = (OPJ_UINT8 *) calloc(1, stride * Info_h.biHeight * sizeof(OPJ_UINT8));
if (pData == NULL) {
fclose(IN);
return NULL;
}
/* Place the cursor at the beginning of the image information */
fseek(IN, 0, SEEK_SET);
fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
switch (Info_h.biCompression) {
case 0:
case 3:
/* read raw data */
l_result = bmp_read_raw_data(IN, pData, stride, Info_h.biWidth, Info_h.biHeight);
break;
case 1:
/* read rle8 data */
l_result = bmp_read_rle8_data(IN, pData, stride, Info_h.biWidth, Info_h.biHeight);
break;
case 2:
/* read rle4 data */
l_result = bmp_read_rle4_data(IN, pData, stride, Info_h.biWidth, Info_h.biHeight);
break;
default:
fprintf(stderr, "Unsupported BMP compression\n");
l_result = OPJ_FALSE;
break;
}
if (!l_result) {
free(pData);
fclose(IN);
return NULL;
}
/* create the image */
memset(&cmptparm[0], 0, sizeof(cmptparm));
for(i = 0; i < 4U; i++)
{
cmptparm[i].prec = 8;
cmptparm[i].bpp = 8;
cmptparm[i].sgnd = 0;
cmptparm[i].dx = (OPJ_UINT32)parameters->subsampling_dx;
cmptparm[i].dy = (OPJ_UINT32)parameters->subsampling_dy;
cmptparm[i].w = Info_h.biWidth;
cmptparm[i].h = Info_h.biHeight;
}
image = opj_image_create(numcmpts, &cmptparm[0], (numcmpts == 1U) ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB);
if(!image) {
fclose(IN);
free(pData);
return NULL;
}
if (numcmpts == 4U) {
image->comps[3].alpha = 1;
}
/* set image offset and reference grid */
image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
image->x1 = image->x0 + (Info_h.biWidth - 1U) * (OPJ_UINT32)parameters->subsampling_dx + 1U;
image->y1 = image->y0 + (Info_h.biHeight - 1U) * (OPJ_UINT32)parameters->subsampling_dy + 1U;
/* Read the data */
if (Info_h.biBitCount == 24 && Info_h.biCompression == 0) { /*RGB */
bmp24toimage(pData, stride, image);
}
else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) { /* RGB 8bpp Indexed */
bmp8toimage(pData, stride, image, pLUT);
}
else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { /*RLE8*/
bmp8toimage(pData, stride, image, pLUT);
}
else if (Info_h.biBitCount == 4 && Info_h.biCompression == 2) { /*RLE4*/
bmp8toimage(pData, stride, image, pLUT); /* RLE 4 gets decoded as 8 bits data for now */
}
else if (Info_h.biBitCount == 32 && Info_h.biCompression == 0) { /* RGBX */
bmpmask32toimage(pData, stride, image, 0x00FF0000U, 0x0000FF00U, 0x000000FFU, 0x00000000U);
}
else if (Info_h.biBitCount == 32 && Info_h.biCompression == 3) { /* bitmask */
bmpmask32toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask, Info_h.biBlueMask, Info_h.biAlphaMask);
}
else if (Info_h.biBitCount == 16 && Info_h.biCompression == 0) { /* RGBX */
bmpmask16toimage(pData, stride, image, 0x7C00U, 0x03E0U, 0x001FU, 0x0000U);
}
else if (Info_h.biBitCount == 16 && Info_h.biCompression == 3) { /* bitmask */
if ((Info_h.biRedMask == 0U) && (Info_h.biGreenMask == 0U) && (Info_h.biBlueMask == 0U)) {
Info_h.biRedMask = 0xF800U;
Info_h.biGreenMask = 0x07E0U;
Info_h.biBlueMask = 0x001FU;
}
bmpmask16toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask, Info_h.biBlueMask, Info_h.biAlphaMask);
}
else {
opj_image_destroy(image);
image = NULL;
fprintf(stderr, "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
}
free(pData);
fclose(IN);
return image;
}
CWE ID: CWE-190
Target: 1
Example 2:
Code: OMX_ERRORTYPE omx_vdec::get_config(OMX_IN OMX_HANDLETYPE hComp,
OMX_IN OMX_INDEXTYPE configIndex,
OMX_INOUT OMX_PTR configData)
{
(void) hComp;
OMX_ERRORTYPE eRet = OMX_ErrorNone;
if (m_state == OMX_StateInvalid) {
DEBUG_PRINT_ERROR("Get Config in Invalid State");
return OMX_ErrorInvalidState;
}
switch ((unsigned long)configIndex) {
case OMX_QcomIndexConfigInterlaced: {
VALIDATE_OMX_PARAM_DATA(configData, OMX_QCOM_CONFIG_INTERLACETYPE);
OMX_QCOM_CONFIG_INTERLACETYPE *configFmt =
(OMX_QCOM_CONFIG_INTERLACETYPE *) configData;
if (configFmt->nPortIndex == 1) {
if (configFmt->nIndex == 0) {
configFmt->eInterlaceType = OMX_QCOM_InterlaceFrameProgressive;
} else if (configFmt->nIndex == 1) {
configFmt->eInterlaceType =
OMX_QCOM_InterlaceInterleaveFrameTopFieldFirst;
} else if (configFmt->nIndex == 2) {
configFmt->eInterlaceType =
OMX_QCOM_InterlaceInterleaveFrameBottomFieldFirst;
} else {
DEBUG_PRINT_ERROR("get_config: OMX_QcomIndexConfigInterlaced:"
" NoMore Interlaced formats");
eRet = OMX_ErrorNoMore;
}
} else {
DEBUG_PRINT_ERROR("get_config: Bad port index %d queried on only o/p port",
(int)configFmt->nPortIndex);
eRet = OMX_ErrorBadPortIndex;
}
break;
}
case OMX_QcomIndexQueryNumberOfVideoDecInstance: {
VALIDATE_OMX_PARAM_DATA(configData, QOMX_VIDEO_QUERY_DECODER_INSTANCES);
QOMX_VIDEO_QUERY_DECODER_INSTANCES *decoderinstances =
(QOMX_VIDEO_QUERY_DECODER_INSTANCES*)configData;
decoderinstances->nNumOfInstances = 16;
/*TODO: How to handle this case */
break;
}
case OMX_QcomIndexConfigVideoFramePackingArrangement: {
if (drv_ctx.decoder_format == VDEC_CODECTYPE_H264) {
VALIDATE_OMX_PARAM_DATA(configData, OMX_QCOM_FRAME_PACK_ARRANGEMENT);
OMX_QCOM_FRAME_PACK_ARRANGEMENT *configFmt =
(OMX_QCOM_FRAME_PACK_ARRANGEMENT *) configData;
memcpy(configFmt, &m_frame_pack_arrangement,
sizeof(OMX_QCOM_FRAME_PACK_ARRANGEMENT));
} else {
DEBUG_PRINT_ERROR("get_config: Framepack data not supported for non H264 codecs");
}
break;
}
case OMX_IndexConfigCommonOutputCrop: {
VALIDATE_OMX_PARAM_DATA(configData, OMX_CONFIG_RECTTYPE);
OMX_CONFIG_RECTTYPE *rect = (OMX_CONFIG_RECTTYPE *) configData;
memcpy(rect, &rectangle, sizeof(OMX_CONFIG_RECTTYPE));
DEBUG_PRINT_HIGH("get_config: crop info: L: %u, T: %u, R: %u, B: %u",
rectangle.nLeft, rectangle.nTop,
rectangle.nWidth, rectangle.nHeight);
break;
}
case OMX_QcomIndexConfigPerfLevel: {
VALIDATE_OMX_PARAM_DATA(configData, OMX_QCOM_VIDEO_CONFIG_PERF_LEVEL);
struct v4l2_control control;
OMX_QCOM_VIDEO_CONFIG_PERF_LEVEL *perf =
(OMX_QCOM_VIDEO_CONFIG_PERF_LEVEL *)configData;
control.id = V4L2_CID_MPEG_VIDC_SET_PERF_LEVEL;
if (ioctl(drv_ctx.video_driver_fd, VIDIOC_G_CTRL, &control) < 0) {
DEBUG_PRINT_ERROR("Failed getting performance level: %d", errno);
eRet = OMX_ErrorHardware;
}
if (eRet == OMX_ErrorNone) {
switch (control.value) {
case V4L2_CID_MPEG_VIDC_PERF_LEVEL_TURBO:
perf->ePerfLevel = OMX_QCOM_PerfLevelTurbo;
break;
default:
DEBUG_PRINT_HIGH("Unknown perf level %d, reporting Nominal instead", control.value);
/* Fall through */
case V4L2_CID_MPEG_VIDC_PERF_LEVEL_NOMINAL:
perf->ePerfLevel = OMX_QCOM_PerfLevelNominal;
break;
}
}
break;
}
default: {
DEBUG_PRINT_ERROR("get_config: unknown param %d",configIndex);
eRet = OMX_ErrorBadParameter;
}
}
return eRet;
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int32_t DownmixLib_Create(const effect_uuid_t *uuid,
int32_t sessionId,
int32_t ioId,
effect_handle_t *pHandle) {
int ret;
int i;
downmix_module_t *module;
const effect_descriptor_t *desc;
ALOGV("DownmixLib_Create()");
#ifdef DOWNMIX_TEST_CHANNEL_INDEX
ALOGI("DOWNMIX_TEST_CHANNEL_INDEX: should work:");
Downmix_testIndexComputation(AUDIO_CHANNEL_OUT_FRONT_LEFT | AUDIO_CHANNEL_OUT_FRONT_RIGHT |
AUDIO_CHANNEL_OUT_LOW_FREQUENCY | AUDIO_CHANNEL_OUT_BACK_CENTER);
Downmix_testIndexComputation(CHANNEL_MASK_QUAD_SIDE | CHANNEL_MASK_QUAD_BACK);
Downmix_testIndexComputation(CHANNEL_MASK_5POINT1_SIDE | AUDIO_CHANNEL_OUT_BACK_CENTER);
Downmix_testIndexComputation(CHANNEL_MASK_5POINT1_BACK | AUDIO_CHANNEL_OUT_BACK_CENTER);
ALOGI("DOWNMIX_TEST_CHANNEL_INDEX: should NOT work:");
Downmix_testIndexComputation(AUDIO_CHANNEL_OUT_FRONT_LEFT | AUDIO_CHANNEL_OUT_FRONT_RIGHT |
AUDIO_CHANNEL_OUT_LOW_FREQUENCY | AUDIO_CHANNEL_OUT_BACK_LEFT);
Downmix_testIndexComputation(AUDIO_CHANNEL_OUT_FRONT_LEFT | AUDIO_CHANNEL_OUT_FRONT_RIGHT |
AUDIO_CHANNEL_OUT_LOW_FREQUENCY | AUDIO_CHANNEL_OUT_SIDE_LEFT);
Downmix_testIndexComputation(AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_BACK_LEFT | AUDIO_CHANNEL_OUT_BACK_RIGHT);
Downmix_testIndexComputation(AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_SIDE_LEFT | AUDIO_CHANNEL_OUT_SIDE_RIGHT);
#endif
if (pHandle == NULL || uuid == NULL) {
return -EINVAL;
}
for (i = 0 ; i < kNbEffects ; i++) {
desc = gDescriptors[i];
if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t)) == 0) {
break;
}
}
if (i == kNbEffects) {
return -ENOENT;
}
module = malloc(sizeof(downmix_module_t));
module->itfe = &gDownmixInterface;
module->context.state = DOWNMIX_STATE_UNINITIALIZED;
ret = Downmix_Init(module);
if (ret < 0) {
ALOGW("DownmixLib_Create() init failed");
free(module);
return ret;
}
*pHandle = (effect_handle_t) module;
ALOGV("DownmixLib_Create() %p , size %zu", module, sizeof(downmix_module_t));
return 0;
}
CWE ID: CWE-119
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: main(void)
{
unsigned int i;
unsigned char buf[MAX_LENGTH];
unsigned long crc;
unsigned char c;
int inchar;
/* Skip 8-byte signature */
for (i=8; i; i--)
{
c=GETBREAK;
putchar(c);
}
if (inchar != EOF)
for (;;)
{
/* Read the length */
unsigned long length; /* must be 32 bits! */
c=GETBREAK; buf[0] = c; length = c; length <<= 8;
c=GETBREAK; buf[1] = c; length += c; length <<= 8;
c=GETBREAK; buf[2] = c; length += c; length <<= 8;
c=GETBREAK; buf[3] = c; length += c;
/* Read the chunkname */
c=GETBREAK; buf[4] = c;
c=GETBREAK; buf[5] = c;
c=GETBREAK; buf[6] = c;
c=GETBREAK; buf[7] = c;
/* The iTXt chunk type expressed as integers is (105, 84, 88, 116) */
if (buf[4] == 105 && buf[5] == 84 && buf[6] == 88 && buf[7] == 116)
{
if (length >= MAX_LENGTH-12)
break; /* To do: handle this more gracefully */
/* Initialize the CRC */
crc = crc32(0, Z_NULL, 0);
/* Copy the data bytes */
for (i=8; i < length + 12; i++)
{
c=GETBREAK; buf[i] = c;
}
/* Calculate the CRC */
crc = crc32(crc, buf+4, (uInt)length+4);
for (;;)
{
/* Check the CRC */
if (((crc >> 24) & 0xff) == buf[length+8] &&
((crc >> 16) & 0xff) == buf[length+9] &&
((crc >> 8) & 0xff) == buf[length+10] &&
((crc ) & 0xff) == buf[length+11])
break;
length++;
if (length >= MAX_LENGTH-12)
break;
c=GETBREAK;
buf[length+11]=c;
/* Update the CRC */
crc = crc32(crc, buf+7+length, 1);
}
/* Update length bytes */
buf[0] = (unsigned char)((length << 24) & 0xff);
buf[1] = (unsigned char)((length << 16) & 0xff);
buf[2] = (unsigned char)((length << 8) & 0xff);
buf[3] = (unsigned char)((length ) & 0xff);
/* Write the fixed iTXt chunk (length, name, data, crc) */
for (i=0; i<length+12; i++)
putchar(buf[i]);
}
else
{
/* Copy bytes that were already read (length and chunk name) */
for (i=0; i<8; i++)
putchar(buf[i]);
/* Copy data bytes and CRC */
for (i=8; i< length+12; i++)
{
c=GETBREAK;
putchar(c);
}
if (inchar == EOF)
{
break;
}
/* The IEND chunk type expressed as integers is (73, 69, 78, 68) */
if (buf[4] == 73 && buf[5] == 69 && buf[6] == 78 && buf[7] == 68)
break;
}
if (inchar == EOF)
break;
if (buf[4] == 73 && buf[5] == 69 && buf[6] == 78 && buf[7] == 68)
break;
}
return 0;
}
CWE ID:
Target: 1
Example 2:
Code: cJSON *cJSON_CreateNumber(double num) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_Number;item->valuedouble=num;item->valueint=(int)num;}return item;}
CWE ID: CWE-125
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: int kvm_deassign_device(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev)
{
struct iommu_domain *domain = kvm->arch.iommu_domain;
struct pci_dev *pdev = NULL;
/* check if iommu exists and in use */
if (!domain)
return 0;
pdev = assigned_dev->dev;
if (pdev == NULL)
return -ENODEV;
iommu_detach_device(domain, &pdev->dev);
pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
dev_info(&pdev->dev, "kvm deassign device\n");
return 0;
}
CWE ID: CWE-189
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: int perf_event_refresh(struct perf_event *event, int refresh)
{
/*
* not supported on inherited events
*/
if (event->attr.inherit || !is_sampling_event(event))
return -EINVAL;
atomic_add(refresh, &event->event_limit);
perf_event_enable(event);
return 0;
}
CWE ID: CWE-264
Target: 1
Example 2:
Code: void InputHandler::paste()
{
executeTextEditCommand("Paste");
}
CWE ID:
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: bool HTMLFormControlElement::willValidate() const {
return ListedElement::WillValidate();
}
CWE ID: CWE-704
Output:
| 0 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: void read_boot(DOS_FS * fs)
{
struct boot_sector b;
unsigned total_sectors;
unsigned short logical_sector_size, sectors;
unsigned fat_length;
unsigned total_fat_entries;
off_t data_size;
fs_read(0, sizeof(b), &b);
logical_sector_size = GET_UNALIGNED_W(b.sector_size);
if (!logical_sector_size)
die("Logical sector size is zero.");
/* This was moved up because it's the first thing that will fail */
/* if the platform needs special handling of unaligned multibyte accesses */
/* but such handling isn't being provided. See GET_UNALIGNED_W() above. */
if (logical_sector_size & (SECTOR_SIZE - 1))
die("Logical sector size (%d bytes) is not a multiple of the physical "
"sector size.", logical_sector_size);
fs->cluster_size = b.cluster_size * logical_sector_size;
if (!fs->cluster_size)
die("Cluster size is zero.");
if (b.fats != 2 && b.fats != 1)
die("Currently, only 1 or 2 FATs are supported, not %d.\n", b.fats);
fs->nfats = b.fats;
sectors = GET_UNALIGNED_W(b.sectors);
total_sectors = sectors ? sectors : le32toh(b.total_sect);
if (verbose)
printf("Checking we can access the last sector of the filesystem\n");
/* Can't access last odd sector anyway, so round down */
fs_test((off_t)((total_sectors & ~1) - 1) * logical_sector_size,
logical_sector_size);
fat_length = le16toh(b.fat_length) ?
le16toh(b.fat_length) : le32toh(b.fat32_length);
fs->fat_start = (off_t)le16toh(b.reserved) * logical_sector_size;
fs->root_start = ((off_t)le16toh(b.reserved) + b.fats * fat_length) *
logical_sector_size;
fs->root_entries = GET_UNALIGNED_W(b.dir_entries);
fs->data_start = fs->root_start + ROUND_TO_MULTIPLE(fs->root_entries <<
MSDOS_DIR_BITS,
logical_sector_size);
data_size = (off_t)total_sectors * logical_sector_size - fs->data_start;
fs->data_clusters = data_size / fs->cluster_size;
fs->root_cluster = 0; /* indicates standard, pre-FAT32 root dir */
fs->fsinfo_start = 0; /* no FSINFO structure */
fs->free_clusters = -1; /* unknown */
if (!b.fat_length && b.fat32_length) {
fs->fat_bits = 32;
fs->root_cluster = le32toh(b.root_cluster);
if (!fs->root_cluster && fs->root_entries)
/* M$ hasn't specified this, but it looks reasonable: If
* root_cluster is 0 but there is a separate root dir
* (root_entries != 0), we handle the root dir the old way. Give a
* warning, but convertig to a root dir in a cluster chain seems
* to complex for now... */
printf("Warning: FAT32 root dir not in cluster chain! "
"Compatibility mode...\n");
else if (!fs->root_cluster && !fs->root_entries)
die("No root directory!");
else if (fs->root_cluster && fs->root_entries)
printf("Warning: FAT32 root dir is in a cluster chain, but "
"a separate root dir\n"
" area is defined. Cannot fix this easily.\n");
if (fs->data_clusters < FAT16_THRESHOLD)
printf("Warning: Filesystem is FAT32 according to fat_length "
"and fat32_length fields,\n"
" but has only %lu clusters, less than the required "
"minimum of %d.\n"
" This may lead to problems on some systems.\n",
(unsigned long)fs->data_clusters, FAT16_THRESHOLD);
check_fat_state_bit(fs, &b);
fs->backupboot_start = le16toh(b.backup_boot) * logical_sector_size;
check_backup_boot(fs, &b, logical_sector_size);
read_fsinfo(fs, &b, logical_sector_size);
} else if (!atari_format) {
/* On real MS-DOS, a 16 bit FAT is used whenever there would be too
* much clusers otherwise. */
fs->fat_bits = (fs->data_clusters >= FAT12_THRESHOLD) ? 16 : 12;
if (fs->data_clusters >= FAT16_THRESHOLD)
die("Too many clusters (%lu) for FAT16 filesystem.", fs->data_clusters);
check_fat_state_bit(fs, &b);
} else {
/* On Atari, things are more difficult: GEMDOS always uses 12bit FATs
* on floppies, and always 16 bit on harddisks. */
fs->fat_bits = 16; /* assume 16 bit FAT for now */
/* If more clusters than fat entries in 16-bit fat, we assume
* it's a real MSDOS FS with 12-bit fat. */
if (fs->data_clusters + 2 > fat_length * logical_sector_size * 8 / 16 ||
/* if it has one of the usual floppy sizes -> 12bit FAT */
(total_sectors == 720 || total_sectors == 1440 ||
total_sectors == 2880))
fs->fat_bits = 12;
}
/* On FAT32, the high 4 bits of a FAT entry are reserved */
fs->eff_fat_bits = (fs->fat_bits == 32) ? 28 : fs->fat_bits;
fs->fat_size = fat_length * logical_sector_size;
fs->label = calloc(12, sizeof(uint8_t));
if (fs->fat_bits == 12 || fs->fat_bits == 16) {
struct boot_sector_16 *b16 = (struct boot_sector_16 *)&b;
if (b16->extended_sig == 0x29)
memmove(fs->label, b16->label, 11);
else
fs->label = NULL;
} else if (fs->fat_bits == 32) {
if (b.extended_sig == 0x29)
memmove(fs->label, &b.label, 11);
else
fs->label = NULL;
}
total_fat_entries = (uint64_t)fs->fat_size * 8 / fs->fat_bits;
if (fs->data_clusters > total_fat_entries - 2)
die("Filesystem has %u clusters but only space for %u FAT entries.",
fs->data_clusters, total_fat_entries - 2);
if (!fs->root_entries && !fs->root_cluster)
die("Root directory has zero size.");
if (fs->root_entries & (MSDOS_DPS - 1))
die("Root directory (%d entries) doesn't span an integral number of "
"sectors.", fs->root_entries);
if (logical_sector_size & (SECTOR_SIZE - 1))
die("Logical sector size (%d bytes) is not a multiple of the physical "
"sector size.", logical_sector_size);
#if 0 /* linux kernel doesn't check that either */
/* ++roman: On Atari, these two fields are often left uninitialized */
if (!atari_format && (!b.secs_track || !b.heads))
die("Invalid disk format in boot sector.");
#endif
if (verbose)
dump_boot(fs, &b, logical_sector_size);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: SWFOutput_writeGlyphShape(SWFOutput out, SWFShape shape)
{
unsigned char c;
int styleDone = 0;
int i;
c = 1<<4;
SWFOutput_writeUInt8(out, c);
shape->nFills = 1;
shape->nLines = 0;
for ( i=0; i<shape->nRecords; ++i )
{
if(!styleDone && shape->records[i].type == SHAPERECORD_STATECHANGE)
{
shape->records[i].record.stateChange->flags |= SWF_SHAPE_FILLSTYLE0FLAG;
shape->records[i].record.stateChange->leftFill = 1;
styleDone = 1;
}
if ( i < shape->nRecords-1 ||
shape->records[i].type != SHAPERECORD_STATECHANGE )
{
SWFShape_writeShapeRecord(shape, shape->records[i], out);
}
}
SWFOutput_writeBits(out, 0, 6); /* end tag */
SWFOutput_byteAlign(out);
}
CWE ID: CWE-119
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void Browser::FindInPage(bool find_next, bool forward_direction) {
ShowFindBar();
if (find_next) {
string16 find_text;
#if defined(OS_MACOSX)
find_text = GetFindPboardText();
#endif
GetSelectedTabContentsWrapper()->
GetFindManager()->StartFinding(find_text,
forward_direction,
false); // Not case sensitive.
}
}
CWE ID: CWE-20
Output:
| 1 |
Here are some example code snippets. Analyze the following code and CWE ID and the target value where 1 indicates the code has vulnerability and 0 indicates non-vulnerable code.
Example 1:
Code: static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
{
return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
indx, 0, data, size, 500);
}
CWE ID: CWE-119
Target: 1
Example 2:
Code: static int lxcfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset,
struct fuse_file_info *fi)
{
if (strcmp(path, "/") == 0) {
if (filler(buf, "proc", NULL, 0) != 0 ||
filler(buf, "cgroup", NULL, 0) != 0)
return -EINVAL;
return 0;
}
if (strncmp(path, "/cgroup", 7) == 0)
return cg_readdir(path, buf, filler, offset, fi);
if (strcmp(path, "/proc") == 0)
return proc_readdir(path, buf, filler, offset, fi);
return -EINVAL;
}
CWE ID: CWE-264
Target: 0
Now analyze the following code and CWE ID. Determine whether it has a vulnerability. If it does, return '1'; if it doesn't, return '0'. Remember, I want response in '1' or '0'. Do Not respond with explanation.
Code: void AppControllerImpl::GetApps(
mojom::AppController::GetAppsCallback callback) {
std::vector<chromeos::kiosk_next_home::mojom::AppPtr> app_list;
app_service_proxy_->AppRegistryCache().ForEachApp(
[this, &app_list](const apps::AppUpdate& update) {
app_list.push_back(CreateAppPtr(update));
});
std::move(callback).Run(std::move(app_list));
}
CWE ID: CWE-416
Output:
| 1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.