code
stringlengths 23
2.05k
| label_name
stringlengths 6
7
| label
int64 0
37
|
|---|---|---|
static struct ip_options *tcp_v4_save_options(struct sock *sk,
struct sk_buff *skb)
{
struct ip_options *opt = &(IPCB(skb)->opt);
struct ip_options *dopt = NULL;
if (opt && opt->optlen) {
int opt_size = optlength(opt);
dopt = kmalloc(opt_size, GFP_ATOMIC);
if (dopt) {
if (ip_options_echo(dopt, skb)) {
kfree(dopt);
dopt = NULL;
}
}
}
return dopt;
} | CWE-362 | 18 |
static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)msg->msg_name;
struct ipxhdr *ipx = NULL;
struct sk_buff *skb;
int copied, rc;
lock_sock(sk);
/* put the autobinding in */
if (!ipxs->port) {
struct sockaddr_ipx uaddr;
uaddr.sipx_port = 0;
uaddr.sipx_network = 0;
#ifdef CONFIG_IPX_INTERN
rc = -ENETDOWN;
if (!ipxs->intrfc)
goto out; /* Someone zonked the iface */
memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN);
#endif /* CONFIG_IPX_INTERN */
rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
}
rc = -ENOTCONN;
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &rc);
if (!skb)
goto out;
ipx = ipx_hdr(skb);
copied = ntohs(ipx->ipx_pktsize) - sizeof(struct ipxhdr);
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
rc = skb_copy_datagram_iovec(skb, sizeof(struct ipxhdr), msg->msg_iov,
copied);
if (rc)
goto out_free;
if (skb->tstamp.tv64)
sk->sk_stamp = skb->tstamp;
msg->msg_namelen = sizeof(*sipx);
if (sipx) {
sipx->sipx_family = AF_IPX;
sipx->sipx_port = ipx->ipx_source.sock;
memcpy(sipx->sipx_node, ipx->ipx_source.node, IPX_NODE_LEN);
sipx->sipx_network = IPX_SKB_CB(skb)->ipx_source_net;
sipx->sipx_type = ipx->ipx_type;
sipx->sipx_zero = 0;
}
rc = copied;
out_free:
skb_free_datagram(sk, skb);
out:
release_sock(sk);
return rc;
} | CWE-20 | 0 |
int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov,
struct sockaddr_storage *kern_address, int mode)
{
int tot_len;
if (kern_msg->msg_namelen) {
if (mode == VERIFY_READ) {
int err = move_addr_to_kernel(kern_msg->msg_name,
kern_msg->msg_namelen,
kern_address);
if (err < 0)
return err;
}
kern_msg->msg_name = kern_address;
} else
kern_msg->msg_name = NULL;
tot_len = iov_from_user_compat_to_kern(kern_iov,
(struct compat_iovec __user *)kern_msg->msg_iov,
kern_msg->msg_iovlen);
if (tot_len >= 0)
kern_msg->msg_iov = kern_iov;
return tot_len;
} | CWE-20 | 0 |
static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_acomp racomp;
strlcpy(racomp.type, "acomp", sizeof(racomp.type));
if (nla_put(skb, CRYPTOCFGA_REPORT_ACOMP,
sizeof(struct crypto_report_acomp), &racomp))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | CWE-200 | 10 |
static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
struct msghdr *msg, size_t ignored, int flags)
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
unsigned bs = crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(
&ctx->req));
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
unsigned long iovlen;
struct iovec *iov;
int err = -EAGAIN;
int used;
long copied = 0;
lock_sock(sk);
msg->msg_namelen = 0;
for (iov = msg->msg_iov, iovlen = msg->msg_iovlen; iovlen > 0;
iovlen--, iov++) {
unsigned long seglen = iov->iov_len;
char __user *from = iov->iov_base;
while (seglen) {
sgl = list_first_entry(&ctx->tsgl,
struct skcipher_sg_list, list);
sg = sgl->sg;
while (!sg->length)
sg++;
used = ctx->used;
if (!used) {
err = skcipher_wait_for_data(sk, flags);
if (err)
goto unlock;
}
used = min_t(unsigned long, used, seglen);
used = af_alg_make_sg(&ctx->rsgl, from, used, 1);
err = used;
if (err < 0)
goto unlock;
if (ctx->more || used < ctx->used)
used -= used % bs;
err = -EINVAL;
if (!used)
goto free;
ablkcipher_request_set_crypt(&ctx->req, sg,
ctx->rsgl.sg, used,
ctx->iv);
err = af_alg_wait_for_completion(
ctx->enc ?
crypto_ablkcipher_encrypt(&ctx->req) :
crypto_ablkcipher_decrypt(&ctx->req),
&ctx->completion);
free:
af_alg_free_sg(&ctx->rsgl);
if (err)
goto unlock;
copied += used;
from += used;
seglen -= used;
skcipher_pull_sgl(sk, used);
}
}
err = 0;
unlock:
skcipher_wmem_wakeup(sk);
release_sock(sk);
return copied ?: err;
} | CWE-20 | 0 |
static void Sp_split_regexp(js_State *J)
{
js_Regexp *re;
const char *text;
int limit, len, k;
const char *p, *a, *b, *c, *e;
Resub m;
text = checkstring(J, 0);
re = js_toregexp(J, 1);
limit = js_isdefined(J, 2) ? js_tointeger(J, 2) : 1 << 30;
js_newarray(J);
len = 0;
e = text + strlen(text);
/* splitting the empty string */
if (e == text) {
if (js_regexec(re->prog, text, &m, 0)) {
if (len == limit) return;
js_pushliteral(J, "");
js_setindex(J, -2, 0);
}
return;
}
p = a = text;
while (a < e) {
if (js_regexec(re->prog, a, &m, a > text ? REG_NOTBOL : 0))
break; /* no match */
b = m.sub[0].sp;
c = m.sub[0].ep;
/* empty string at end of last match */
if (b == p) {
++a;
continue;
}
if (len == limit) return;
js_pushlstring(J, p, b - p);
js_setindex(J, -2, len++);
for (k = 1; k < m.nsub; ++k) {
if (len == limit) return;
js_pushlstring(J, m.sub[k].sp, m.sub[k].ep - m.sub[k].sp);
js_setindex(J, -2, len++);
}
a = p = c;
}
if (len == limit) return;
js_pushstring(J, p);
js_setindex(J, -2, len);
} | CWE-674 | 28 |
static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
{
struct net_bridge_mdb_htable *mdb;
struct net_bridge_mdb_entry *mp;
struct net_bridge_port_group *p;
struct net_bridge_port_group __rcu **pp;
struct br_ip ip;
int err = -EINVAL;
if (!netif_running(br->dev) || br->multicast_disabled)
return -EINVAL;
if (timer_pending(&br->multicast_querier_timer))
return -EBUSY;
ip.proto = entry->addr.proto;
if (ip.proto == htons(ETH_P_IP))
ip.u.ip4 = entry->addr.u.ip4;
#if IS_ENABLED(CONFIG_IPV6)
else
ip.u.ip6 = entry->addr.u.ip6;
#endif
spin_lock_bh(&br->multicast_lock);
mdb = mlock_dereference(br->mdb, br);
mp = br_mdb_ip_get(mdb, &ip);
if (!mp)
goto unlock;
for (pp = &mp->ports;
(p = mlock_dereference(*pp, br)) != NULL;
pp = &p->next) {
if (!p->port || p->port->dev->ifindex != entry->ifindex)
continue;
if (p->port->state == BR_STATE_DISABLED)
goto unlock;
rcu_assign_pointer(*pp, p->next);
hlist_del_init(&p->mglist);
del_timer(&p->timer);
call_rcu_bh(&p->rcu, br_multicast_free_pg);
err = 0;
if (!mp->ports && !mp->mglist &&
netif_running(br->dev))
mod_timer(&mp->timer, jiffies);
break;
}
unlock:
spin_unlock_bh(&br->multicast_lock);
return err;
} | CWE-20 | 0 |
int generate_password(int length, unsigned char *password)
{
const char pwchars[] =
{
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F',
'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z', '%', '$'
};
FILE *randfp;
unsigned char pwtemp[MAX_PASSWD_BUF];
unsigned char *p;
int i, n;
int passlen;
if ((length <= 0) || (length > MAX_PASSWD_LEN))
{
fprintf(stderr, "Invalid password length specified.\n");
return -1;
}
/* Open the device to read random octets */
if ((randfp = fopen("/dev/urandom", "r")) == NULL)
{
perror("Error open /dev/urandom:");
return -1;
}
/* Read random octets */
if ((n = fread((char*)pwtemp, 1, length, randfp)) != length)
{
fprintf(stderr, "Error: Couldn't read from /dev/urandom\n");
fclose(randfp);
return -1;
}
fclose(randfp);
/* Now ensure each octet is uses the defined character set */
for(i = 0, p = pwtemp; i < length; i++, p++)
{
*p = pwchars[((int)(*p)) % 64];
}
/* Convert the password to UTF-16LE */
passlen = passwd_to_utf16( pwtemp,
length,
MAX_PASSWD_LEN,
password);
return passlen;
} | CWE-287 | 4 |
static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len,
int noblock, int flags, int *addr_len)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)msg->msg_name;
struct sk_buff *skb;
size_t copied;
int err;
if (flags & MSG_OOB)
return -EOPNOTSUPP;
if (addr_len)
*addr_len=sizeof(*sin6);
if (flags & MSG_ERRQUEUE)
return ipv6_recv_error(sk, msg, len);
if (np->rxpmtu && np->rxopt.bits.rxpmtu)
return ipv6_recv_rxpmtu(sk, msg, len);
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (copied > len) {
copied = len;
msg->msg_flags |= MSG_TRUNC;
}
if (skb_csum_unnecessary(skb)) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else if (msg->msg_flags&MSG_TRUNC) {
if (__skb_checksum_complete(skb))
goto csum_copy_err;
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else {
err = skb_copy_and_csum_datagram_iovec(skb, 0, msg->msg_iov);
if (err == -EINVAL)
goto csum_copy_err;
}
if (err)
goto out_free;
/* Copy the address. */
if (sin6) {
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_addr = ipv6_hdr(skb)->saddr;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
IP6CB(skb)->iif);
}
sock_recv_ts_and_drops(msg, sk, skb);
if (np->rxopt.all)
ip6_datagram_recv_ctl(sk, msg, skb);
err = copied;
if (flags & MSG_TRUNC)
err = skb->len;
out_free:
skb_free_datagram(sk, skb);
out:
return err;
csum_copy_err:
skb_kill_datagram(sk, skb, flags);
/* Error for blocking case is chosen to masquerade
as some normal condition.
*/
err = (flags&MSG_DONTWAIT) ? -EAGAIN : -EHOSTUNREACH;
goto out;
} | CWE-20 | 0 |
static int l2tp_ip_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len, int noblock, int flags, int *addr_len)
{
struct inet_sock *inet = inet_sk(sk);
size_t copied = 0;
int err = -EOPNOTSUPP;
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
struct sk_buff *skb;
if (flags & MSG_OOB)
goto out;
if (addr_len)
*addr_len = sizeof(*sin);
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err)
goto done;
sock_recv_timestamp(msg, sk, skb);
/* Copy the address. */
if (sin) {
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
sin->sin_port = 0;
memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
}
if (inet->cmsg_flags)
ip_cmsg_recv(msg, skb);
if (flags & MSG_TRUNC)
copied = skb->len;
done:
skb_free_datagram(sk, skb);
out:
return err ? err : copied;
} | CWE-20 | 0 |
void big_key_revoke(struct key *key)
{
struct path *path = (struct path *)&key->payload.data[big_key_path];
/* clear the quota */
key_payload_reserve(key, 0);
if (key_is_instantiated(key) &&
(size_t)key->payload.data[big_key_len] > BIG_KEY_FILE_THRESHOLD)
vfs_truncate(path, 0);
} | CWE-20 | 0 |
static ssize_t k90_show_macro_mode(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);
const char *macro_mode;
char data[8];
ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
K90_REQUEST_GET_MODE,
USB_DIR_IN | USB_TYPE_VENDOR |
USB_RECIP_DEVICE, 0, 0, data, 2,
USB_CTRL_SET_TIMEOUT);
if (ret < 0) {
dev_warn(dev, "Failed to get K90 initial mode (error %d).\n",
ret);
return -EIO;
}
switch (data[0]) {
case K90_MACRO_MODE_HW:
macro_mode = "HW";
break;
case K90_MACRO_MODE_SW:
macro_mode = "SW";
break;
default:
dev_warn(dev, "K90 in unknown mode: %02hhx.\n",
data[0]);
return -EIO;
}
return snprintf(buf, PAGE_SIZE, "%s\n", macro_mode);
} | CWE-119 | 26 |
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
unsigned int, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
{
struct socket *sock;
struct iovec iov;
struct msghdr msg;
struct sockaddr_storage address;
int err, err2;
int fput_needed;
if (size > INT_MAX)
size = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
msg.msg_name = (struct sockaddr *)&address;
msg.msg_namelen = sizeof(address);
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
err2 = move_addr_to_user(&address,
msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
}
fput_light(sock->file, fput_needed);
out:
return err;
} | CWE-20 | 0 |
static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *m, size_t len, int flags)
{
struct sock *sk = sock->sk;
struct sk_buff *skb;
int ret;
int copylen;
ret = -EOPNOTSUPP;
if (m->msg_flags&MSG_OOB)
goto read_error;
m->msg_namelen = 0;
skb = skb_recv_datagram(sk, flags, 0 , &ret);
if (!skb)
goto read_error;
copylen = skb->len;
if (len < copylen) {
m->msg_flags |= MSG_TRUNC;
copylen = len;
}
ret = skb_copy_datagram_iovec(skb, 0, m->msg_iov, copylen);
if (ret)
goto out_free;
ret = (flags & MSG_TRUNC) ? skb->len : copylen;
out_free:
skb_free_datagram(sk, skb);
caif_check_flow_release(sk);
return ret;
read_error:
return ret;
} | CWE-20 | 0 |
static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
{
int i;
int nr = pagevec_count(pvec);
int delta_munlocked;
struct pagevec pvec_putback;
int pgrescued = 0;
pagevec_init(&pvec_putback, 0);
/* Phase 1: page isolation */
spin_lock_irq(zone_lru_lock(zone));
for (i = 0; i < nr; i++) {
struct page *page = pvec->pages[i];
if (TestClearPageMlocked(page)) {
/*
* We already have pin from follow_page_mask()
* so we can spare the get_page() here.
*/
if (__munlock_isolate_lru_page(page, false))
continue;
else
__munlock_isolation_failed(page);
}
/*
* We won't be munlocking this page in the next phase
* but we still need to release the follow_page_mask()
* pin. We cannot do it under lru_lock however. If it's
* the last pin, __page_cache_release() would deadlock.
*/
pagevec_add(&pvec_putback, pvec->pages[i]);
pvec->pages[i] = NULL;
}
delta_munlocked = -nr + pagevec_count(&pvec_putback);
__mod_zone_page_state(zone, NR_MLOCK, delta_munlocked);
spin_unlock_irq(zone_lru_lock(zone));
/* Now we can release pins of pages that we are not munlocking */
pagevec_release(&pvec_putback);
/* Phase 2: page munlock */
for (i = 0; i < nr; i++) {
struct page *page = pvec->pages[i];
if (page) {
lock_page(page);
if (!__putback_lru_fast_prepare(page, &pvec_putback,
&pgrescued)) {
/*
* Slow path. We don't want to lose the last
* pin before unlock_page()
*/
get_page(page); /* for putback_lru_page() */
__munlock_isolated_page(page);
unlock_page(page);
put_page(page); /* from follow_page_mask() */
}
}
}
/*
* Phase 3: page putback for pages that qualified for the fast path
* This will also call put_page() to return pin from follow_page_mask()
*/
if (pagevec_count(&pvec_putback))
__putback_lru_fast(&pvec_putback, pgrescued);
} | CWE-20 | 0 |
static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
struct vsock_sock *vsk,
struct msghdr *msg, size_t len,
int flags)
{
int err;
int noblock;
struct vmci_datagram *dg;
size_t payload_len;
struct sk_buff *skb;
noblock = flags & MSG_DONTWAIT;
if (flags & MSG_OOB || flags & MSG_ERRQUEUE)
return -EOPNOTSUPP;
msg->msg_namelen = 0;
/* Retrieve the head sk_buff from the socket's receive queue. */
err = 0;
skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
if (err)
return err;
if (!skb)
return -EAGAIN;
dg = (struct vmci_datagram *)skb->data;
if (!dg)
/* err is 0, meaning we read zero bytes. */
goto out;
payload_len = dg->payload_size;
/* Ensure the sk_buff matches the payload size claimed in the packet. */
if (payload_len != skb->len - sizeof(*dg)) {
err = -EINVAL;
goto out;
}
if (payload_len > len) {
payload_len = len;
msg->msg_flags |= MSG_TRUNC;
}
/* Place the datagram payload in the user's iovec. */
err = skb_copy_datagram_iovec(skb, sizeof(*dg), msg->msg_iov,
payload_len);
if (err)
goto out;
if (msg->msg_name) {
struct sockaddr_vm *vm_addr;
/* Provide the address of the sender. */
vm_addr = (struct sockaddr_vm *)msg->msg_name;
vsock_addr_init(vm_addr, dg->src.context, dg->src.resource);
msg->msg_namelen = sizeof(*vm_addr);
}
err = payload_len;
out:
skb_free_datagram(&vsk->sk, skb);
return err;
} | CWE-20 | 0 |
static int l2tp_ip_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len, int noblock, int flags, int *addr_len)
{
struct inet_sock *inet = inet_sk(sk);
size_t copied = 0;
int err = -EOPNOTSUPP;
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
struct sk_buff *skb;
if (flags & MSG_OOB)
goto out;
if (addr_len)
*addr_len = sizeof(*sin);
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err)
goto done;
sock_recv_timestamp(msg, sk, skb);
/* Copy the address. */
if (sin) {
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
sin->sin_port = 0;
memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
}
if (inet->cmsg_flags)
ip_cmsg_recv(msg, skb);
if (flags & MSG_TRUNC)
copied = skb->len;
done:
skb_free_datagram(sk, skb);
out:
return err ? err : copied;
} | CWE-200 | 10 |
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
AVFilterContext *ctx = inlink->dst;
BoxBlurContext *s = ctx->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFrame *out;
int plane;
int cw = FF_CEIL_RSHIFT(inlink->w, s->hsub), ch = FF_CEIL_RSHIFT(in->height, s->vsub);
int w[4] = { inlink->w, cw, cw, inlink->w };
int h[4] = { in->height, ch, ch, in->height };
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
}
av_frame_copy_props(out, in);
for (plane = 0; in->data[plane] && plane < 4; plane++)
hblur(out->data[plane], out->linesize[plane],
in ->data[plane], in ->linesize[plane],
w[plane], h[plane], s->radius[plane], s->power[plane],
s->temp);
for (plane = 0; in->data[plane] && plane < 4; plane++)
vblur(out->data[plane], out->linesize[plane],
out->data[plane], out->linesize[plane],
w[plane], h[plane], s->radius[plane], s->power[plane],
s->temp);
av_frame_free(&in);
return ff_filter_frame(outlink, out);
} | CWE-119 | 26 |
static int needs_empty_write(sector_t block, struct inode *inode)
{
int error;
struct buffer_head bh_map = { .b_state = 0, .b_blocknr = 0 };
bh_map.b_size = 1 << inode->i_blkbits;
error = gfs2_block_map(inode, block, &bh_map, 0);
if (unlikely(error))
return error;
return !buffer_mapped(&bh_map);
} | CWE-119 | 26 |
CURLcode Curl_urldecode(struct SessionHandle *data,
const char *string, size_t length,
char **ostring, size_t *olen,
bool reject_ctrl)
{
size_t alloc = (length?length:strlen(string))+1;
char *ns = malloc(alloc);
unsigned char in;
size_t strindex=0;
unsigned long hex;
CURLcode res;
if(!ns)
return CURLE_OUT_OF_MEMORY;
while(--alloc > 0) {
in = *string;
if(('%' == in) && ISXDIGIT(string[1]) && ISXDIGIT(string[2])) {
/* this is two hexadecimal digits following a '%' */
char hexstr[3];
char *ptr;
hexstr[0] = string[1];
hexstr[1] = string[2];
hexstr[2] = 0;
hex = strtoul(hexstr, &ptr, 16);
in = curlx_ultouc(hex); /* this long is never bigger than 255 anyway */
res = Curl_convert_from_network(data, &in, 1);
if(res) {
/* Curl_convert_from_network calls failf if unsuccessful */
free(ns);
return res;
}
string+=2;
alloc-=2;
}
if(reject_ctrl && (in < 0x20)) {
free(ns);
return CURLE_URL_MALFORMAT;
}
ns[strindex++] = in;
string++;
}
ns[strindex]=0; /* terminate it */
if(olen)
/* store output size */
*olen = strindex;
if(ostring)
/* store output string */
*ostring = ns;
return CURLE_OK;
} | CWE-119 | 26 |
static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len, int noblock, int flags,
int *addr_len)
{
size_t copied = 0;
int err = -EOPNOTSUPP;
struct sk_buff *skb;
struct sockaddr_ieee802154 *saddr;
saddr = (struct sockaddr_ieee802154 *)msg->msg_name;
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
/* FIXME: skip headers if necessary ?! */
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err)
goto done;
sock_recv_ts_and_drops(msg, sk, skb);
if (saddr) {
saddr->family = AF_IEEE802154;
saddr->addr = mac_cb(skb)->sa;
}
if (addr_len)
*addr_len = sizeof(*saddr);
if (flags & MSG_TRUNC)
copied = skb->len;
done:
skb_free_datagram(sk, skb);
out:
if (err)
return err;
return copied;
} | CWE-20 | 0 |
static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct rose_sock *rose = rose_sk(sk);
struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
size_t copied;
unsigned char *asmptr;
struct sk_buff *skb;
int n, er, qbit;
/*
* This works for seqpacket too. The receiver has ordered the queue for
* us! We do one quick check first though
*/
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
/* Now we can treat all alike */
if ((skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &er)) == NULL)
return er;
qbit = (skb->data[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
skb_pull(skb, ROSE_MIN_LEN);
if (rose->qbitincl) {
asmptr = skb_push(skb, 1);
*asmptr = qbit;
}
skb_reset_transport_header(skb);
copied = skb->len;
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (srose != NULL) {
memset(srose, 0, msg->msg_namelen);
srose->srose_family = AF_ROSE;
srose->srose_addr = rose->dest_addr;
srose->srose_call = rose->dest_call;
srose->srose_ndigis = rose->dest_ndigis;
if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) {
struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name;
for (n = 0 ; n < rose->dest_ndigis ; n++)
full_srose->srose_digis[n] = rose->dest_digis[n];
msg->msg_namelen = sizeof(struct full_sockaddr_rose);
} else {
if (rose->dest_ndigis >= 1) {
srose->srose_ndigis = 1;
srose->srose_digi = rose->dest_digis[0];
}
msg->msg_namelen = sizeof(struct sockaddr_rose);
}
}
skb_free_datagram(sk, skb);
return copied;
} | CWE-20 | 0 |
static int handle_pte_fault(struct mm_struct *mm,
struct vm_area_struct *vma, unsigned long address,
pte_t *pte, pmd_t *pmd, unsigned int flags)
{
pte_t entry;
spinlock_t *ptl;
/*
* some architectures can have larger ptes than wordsize,
* e.g.ppc44x-defconfig has CONFIG_PTE_64BIT=y and CONFIG_32BIT=y,
* so READ_ONCE or ACCESS_ONCE cannot guarantee atomic accesses.
* The code below just needs a consistent view for the ifs and
* we later double check anyway with the ptl lock held. So here
* a barrier will do.
*/
entry = *pte;
barrier();
if (!pte_present(entry)) {
if (pte_none(entry)) {
if (vma->vm_ops) {
if (likely(vma->vm_ops->fault))
return do_fault(mm, vma, address, pte,
pmd, flags, entry);
}
return do_anonymous_page(mm, vma, address,
pte, pmd, flags);
}
return do_swap_page(mm, vma, address,
pte, pmd, flags, entry);
}
if (pte_protnone(entry))
return do_numa_page(mm, vma, address, entry, pte, pmd);
ptl = pte_lockptr(mm, pmd);
spin_lock(ptl);
if (unlikely(!pte_same(*pte, entry)))
goto unlock;
if (flags & FAULT_FLAG_WRITE) {
if (!pte_write(entry))
return do_wp_page(mm, vma, address,
pte, pmd, ptl, entry);
entry = pte_mkdirty(entry);
}
entry = pte_mkyoung(entry);
if (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) {
update_mmu_cache(vma, address, pte);
} else {
/*
* This is needed only for protection faults but the arch code
* is not yet telling us if this is a protection fault or not.
* This still avoids useless tlb flushes for .text page faults
* with threads.
*/
if (flags & FAULT_FLAG_WRITE)
flush_tlb_fix_spurious_fault(vma, address);
}
unlock:
pte_unmap_unlock(pte, ptl);
return 0;
} | CWE-20 | 0 |
static int p4_pmu_handle_irq(struct pt_regs *regs)
{
struct perf_sample_data data;
struct cpu_hw_events *cpuc;
struct perf_event *event;
struct hw_perf_event *hwc;
int idx, handled = 0;
u64 val;
perf_sample_data_init(&data, 0);
cpuc = &__get_cpu_var(cpu_hw_events);
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
int overflow;
if (!test_bit(idx, cpuc->active_mask)) {
/* catch in-flight IRQs */
if (__test_and_clear_bit(idx, cpuc->running))
handled++;
continue;
}
event = cpuc->events[idx];
hwc = &event->hw;
WARN_ON_ONCE(hwc->idx != idx);
/* it might be unflagged overflow */
overflow = p4_pmu_clear_cccr_ovf(hwc);
val = x86_perf_event_update(event);
if (!overflow && (val & (1ULL << (x86_pmu.cntval_bits - 1))))
continue;
handled += overflow;
/* event overflow for sure */
data.period = event->hw.last_period;
if (!x86_perf_event_set_period(event))
continue;
if (perf_event_overflow(event, 1, &data, regs))
x86_pmu_stop(event, 0);
}
if (handled)
inc_irq_stat(apic_perf_irqs);
/*
* When dealing with the unmasking of the LVTPC on P4 perf hw, it has
* been observed that the OVF bit flag has to be cleared first _before_
* the LVTPC can be unmasked.
*
* The reason is the NMI line will continue to be asserted while the OVF
* bit is set. This causes a second NMI to generate if the LVTPC is
* unmasked before the OVF bit is cleared, leading to unknown NMI
* messages.
*/
apic_write(APIC_LVTPC, APIC_DM_NMI);
return handled;
} | CWE-400 | 2 |
error_t am335xEthAddVlanAddrEntry(uint_t port, uint_t vlanId, MacAddr *macAddr)
{
error_t error;
uint_t index;
Am335xAleEntry entry;
//Ensure that there are no duplicate address entries in the ALE table
index = am335xEthFindVlanAddrEntry(vlanId, macAddr);
//No matching entry found?
if(index >= CPSW_ALE_MAX_ENTRIES)
{
//Find a free entry in the ALE table
index = am335xEthFindFreeEntry();
}
//Sanity check
if(index < CPSW_ALE_MAX_ENTRIES)
{
//Set up a VLAN/address table entry
entry.word2 = 0;
entry.word1 = CPSW_ALE_WORD1_ENTRY_TYPE_VLAN_ADDR;
entry.word0 = 0;
//Multicast address?
if(macIsMulticastAddr(macAddr))
{
//Set port mask
entry.word2 |= CPSW_ALE_WORD2_SUPER |
CPSW_ALE_WORD2_PORT_LIST(1 << port) |
CPSW_ALE_WORD2_PORT_LIST(1 << CPSW_CH0);
//Set multicast forward state
entry.word1 |= CPSW_ALE_WORD1_MCAST_FWD_STATE(0);
}
//Set VLAN identifier
entry.word1 |= CPSW_ALE_WORD1_VLAN_ID(vlanId);
//Copy the upper 16 bits of the unicast address
entry.word1 |= (macAddr->b[0] << 8) | macAddr->b[1];
//Copy the lower 32 bits of the unicast address
entry.word0 |= (macAddr->b[2] << 24) | (macAddr->b[3] << 16) |
(macAddr->b[4] << 8) | macAddr->b[5];
//Add a new entry to the ALE table
am335xEthWriteEntry(index, &entry);
//Sucessful processing
error = NO_ERROR;
}
else
{
//The ALE table is full
error = ERROR_FAILURE;
}
//Return status code
return error;
} | CWE-20 | 0 |
static int iscsi_add_notunderstood_response(
char *key,
char *value,
struct iscsi_param_list *param_list)
{
struct iscsi_extra_response *extra_response;
if (strlen(value) > VALUE_MAXLEN) {
pr_err("Value for notunderstood key \"%s\" exceeds %d,"
" protocol error.\n", key, VALUE_MAXLEN);
return -1;
}
extra_response = kzalloc(sizeof(struct iscsi_extra_response), GFP_KERNEL);
if (!extra_response) {
pr_err("Unable to allocate memory for"
" struct iscsi_extra_response.\n");
return -1;
}
INIT_LIST_HEAD(&extra_response->er_list);
strncpy(extra_response->key, key, strlen(key) + 1);
strncpy(extra_response->value, NOTUNDERSTOOD,
strlen(NOTUNDERSTOOD) + 1);
list_add_tail(&extra_response->er_list,
¶m_list->extra_response_list);
return 0;
} | CWE-119 | 26 |
id3_skip (SF_PRIVATE * psf)
{ unsigned char buf [10] ;
memset (buf, 0, sizeof (buf)) ;
psf_binheader_readf (psf, "pb", 0, buf, 10) ;
if (buf [0] == 'I' && buf [1] == 'D' && buf [2] == '3')
{ int offset = buf [6] & 0x7f ;
offset = (offset << 7) | (buf [7] & 0x7f) ;
offset = (offset << 7) | (buf [8] & 0x7f) ;
offset = (offset << 7) | (buf [9] & 0x7f) ;
psf_log_printf (psf, "ID3 length : %d\n--------------------\n", offset) ;
/* Never want to jump backwards in a file. */
if (offset < 0)
return 0 ;
/* Calculate new file offset and position ourselves there. */
psf->fileoffset += offset + 10 ;
psf_binheader_readf (psf, "p", psf->fileoffset) ;
return 1 ;
} ;
return 0 ;
} /* id3_skip */ | CWE-119 | 26 |
static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct irda_sock *self = irda_sk(sk);
struct sk_buff *skb;
size_t copied;
int err;
IRDA_DEBUG(4, "%s()\n", __func__);
msg->msg_namelen = 0;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &err);
if (!skb)
return err;
skb_reset_transport_header(skb);
copied = skb->len;
if (copied > size) {
IRDA_DEBUG(2, "%s(), Received truncated frame (%zd < %zd)!\n",
__func__, copied, size);
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
skb_free_datagram(sk, skb);
/*
* Check if we have previously stopped IrTTP and we know
* have more free space in our rx_queue. If so tell IrTTP
* to start delivering frames again before our rx_queue gets
* empty
*/
if (self->rx_flow == FLOW_STOP) {
if ((atomic_read(&sk->sk_rmem_alloc) << 2) <= sk->sk_rcvbuf) {
IRDA_DEBUG(2, "%s(), Starting IrTTP\n", __func__);
self->rx_flow = FLOW_START;
irttp_flow_request(self->tsap, FLOW_START);
}
}
return copied;
} | CWE-20 | 0 |
static int read_public_key(RSA *rsa)
{
int r;
sc_path_t path;
sc_file_t *file;
u8 buf[2048], *p = buf;
size_t bufsize, keysize;
r = select_app_df();
if (r)
return 1;
sc_format_path("I1012", &path);
r = sc_select_file(card, &path, &file);
if (r) {
fprintf(stderr, "Unable to select public key file: %s\n", sc_strerror(r));
return 2;
}
bufsize = file->size;
sc_file_free(file);
r = sc_read_binary(card, 0, buf, bufsize, 0);
if (r < 0) {
fprintf(stderr, "Unable to read public key file: %s\n", sc_strerror(r));
return 2;
}
bufsize = r;
do {
if (bufsize < 4)
return 3;
keysize = (p[0] << 8) | p[1];
if (keysize == 0)
break;
if (keysize < 3)
return 3;
if (p[2] == opt_key_num)
break;
p += keysize;
bufsize -= keysize;
} while (1);
if (keysize == 0) {
printf("Key number %d not found.\n", opt_key_num);
return 2;
}
return parse_public_key(p, keysize, rsa);
} | CWE-119 | 26 |
dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
{
enum ctx_state prev_state;
prev_state = exception_enter();
if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
X86_TRAP_SS, SIGBUS) != NOTIFY_STOP) {
preempt_conditional_sti(regs);
do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
preempt_conditional_cli(regs);
}
exception_exit(prev_state);
} | CWE-269 | 6 |
void grubfs_free (GrubFS *gf) {
if (gf) {
if (gf->file && gf->file->device)
free (gf->file->device->disk);
//free (gf->file->device);
free (gf->file);
free (gf);
}
} | CWE-119 | 26 |
static int readContigStripsIntoBuffer (TIFF* in, uint8* buf)
{
uint8* bufp = buf;
int32 bytes_read = 0;
uint32 strip, nstrips = TIFFNumberOfStrips(in);
uint32 stripsize = TIFFStripSize(in);
uint32 rows = 0;
uint32 rps = TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rps);
tsize_t scanline_size = TIFFScanlineSize(in);
if (scanline_size == 0) {
TIFFError("", "TIFF scanline size is zero!");
return 0;
}
for (strip = 0; strip < nstrips; strip++) {
bytes_read = TIFFReadEncodedStrip (in, strip, bufp, -1);
rows = bytes_read / scanline_size;
if ((strip < (nstrips - 1)) && (bytes_read != (int32)stripsize))
TIFFError("", "Strip %d: read %lu bytes, strip size %lu",
(int)strip + 1, (unsigned long) bytes_read,
(unsigned long)stripsize);
if (bytes_read < 0 && !ignore) {
TIFFError("", "Error reading strip %lu after %lu rows",
(unsigned long) strip, (unsigned long)rows);
return 0;
}
bufp += bytes_read;
}
return 1;
} /* end readContigStripsIntoBuffer */ | CWE-119 | 26 |
static int ext4_split_extent(handle_t *handle,
struct inode *inode,
struct ext4_ext_path *path,
struct ext4_map_blocks *map,
int split_flag,
int flags)
{
ext4_lblk_t ee_block;
struct ext4_extent *ex;
unsigned int ee_len, depth;
int err = 0;
int uninitialized;
int split_flag1, flags1;
depth = ext_depth(inode);
ex = path[depth].p_ext;
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
uninitialized = ext4_ext_is_uninitialized(ex);
if (map->m_lblk + map->m_len < ee_block + ee_len) {
split_flag1 = split_flag & EXT4_EXT_MAY_ZEROOUT ?
EXT4_EXT_MAY_ZEROOUT : 0;
flags1 = flags | EXT4_GET_BLOCKS_PRE_IO;
if (uninitialized)
split_flag1 |= EXT4_EXT_MARK_UNINIT1 |
EXT4_EXT_MARK_UNINIT2;
err = ext4_split_extent_at(handle, inode, path,
map->m_lblk + map->m_len, split_flag1, flags1);
if (err)
goto out;
}
ext4_ext_drop_refs(path);
path = ext4_ext_find_extent(inode, map->m_lblk, path);
if (IS_ERR(path))
return PTR_ERR(path);
if (map->m_lblk >= ee_block) {
split_flag1 = split_flag & EXT4_EXT_MAY_ZEROOUT ?
EXT4_EXT_MAY_ZEROOUT : 0;
if (uninitialized)
split_flag1 |= EXT4_EXT_MARK_UNINIT1;
if (split_flag & EXT4_EXT_MARK_UNINIT2)
split_flag1 |= EXT4_EXT_MARK_UNINIT2;
err = ext4_split_extent_at(handle, inode, path,
map->m_lblk, split_flag1, flags);
if (err)
goto out;
}
ext4_ext_show_leaf(inode, path);
out:
return err ? err : map->m_len;
} | CWE-362 | 18 |
struct se_portal_group *tcm_loop_make_naa_tpg(
struct se_wwn *wwn,
struct config_group *group,
const char *name)
{
struct tcm_loop_hba *tl_hba = container_of(wwn,
struct tcm_loop_hba, tl_hba_wwn);
struct tcm_loop_tpg *tl_tpg;
char *tpgt_str, *end_ptr;
int ret;
unsigned short int tpgt;
tpgt_str = strstr(name, "tpgt_");
if (!tpgt_str) {
printk(KERN_ERR "Unable to locate \"tpgt_#\" directory"
" group\n");
return ERR_PTR(-EINVAL);
}
tpgt_str += 5; /* Skip ahead of "tpgt_" */
tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0);
if (tpgt > TL_TPGS_PER_HBA) {
printk(KERN_ERR "Passed tpgt: %hu exceeds TL_TPGS_PER_HBA:"
" %u\n", tpgt, TL_TPGS_PER_HBA);
return ERR_PTR(-EINVAL);
}
tl_tpg = &tl_hba->tl_hba_tpgs[tpgt];
tl_tpg->tl_hba = tl_hba;
tl_tpg->tl_tpgt = tpgt;
/*
* Register the tl_tpg as a emulated SAS TCM Target Endpoint
*/
ret = core_tpg_register(&tcm_loop_fabric_configfs->tf_ops,
wwn, &tl_tpg->tl_se_tpg, tl_tpg,
TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0)
return ERR_PTR(-ENOMEM);
printk(KERN_INFO "TCM_Loop_ConfigFS: Allocated Emulated %s"
" Target Port %s,t,0x%04x\n", tcm_loop_dump_proto_id(tl_hba),
config_item_name(&wwn->wwn_group.cg_item), tpgt);
return &tl_tpg->tl_se_tpg;
} | CWE-119 | 26 |
static void perf_log_throttle(struct perf_event *event, int enable)
{
struct perf_output_handle handle;
struct perf_sample_data sample;
int ret;
struct {
struct perf_event_header header;
u64 time;
u64 id;
u64 stream_id;
} throttle_event = {
.header = {
.type = PERF_RECORD_THROTTLE,
.misc = 0,
.size = sizeof(throttle_event),
},
.time = perf_clock(),
.id = primary_event_id(event),
.stream_id = event->id,
};
if (enable)
throttle_event.header.type = PERF_RECORD_UNTHROTTLE;
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
throttle_event.header.size, 1, 0);
if (ret)
return;
perf_output_put(&handle, throttle_event);
perf_event__output_id_sample(event, &handle, &sample);
perf_output_end(&handle);
} | CWE-400 | 2 |
static int netbk_count_requests(struct xenvif *vif,
struct xen_netif_tx_request *first,
struct xen_netif_tx_request *txp,
int work_to_do)
{
RING_IDX cons = vif->tx.req_cons;
int frags = 0;
if (!(first->flags & XEN_NETTXF_more_data))
return 0;
do {
if (frags >= work_to_do) {
netdev_dbg(vif->dev, "Need more frags\n");
return -frags;
}
if (unlikely(frags >= MAX_SKB_FRAGS)) {
netdev_dbg(vif->dev, "Too many frags\n");
return -frags;
}
memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
sizeof(*txp));
if (txp->size > first->size) {
netdev_dbg(vif->dev, "Frags galore\n");
return -frags;
}
first->size -= txp->size;
frags++;
if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
netdev_dbg(vif->dev, "txp->offset: %x, size: %u\n",
txp->offset, txp->size);
return -frags;
}
} while ((txp++)->flags & XEN_NETTXF_more_data);
return frags;
} | CWE-20 | 0 |
static int pfkey_recvmsg(struct kiocb *kiocb,
struct socket *sock, struct msghdr *msg, size_t len,
int flags)
{
struct sock *sk = sock->sk;
struct pfkey_sock *pfk = pfkey_sk(sk);
struct sk_buff *skb;
int copied, err;
err = -EINVAL;
if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT))
goto out;
msg->msg_namelen = 0;
skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
copied = skb->len;
if (copied > len) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err)
goto out_free;
sock_recv_ts_and_drops(msg, sk, skb);
err = (flags & MSG_TRUNC) ? skb->len : copied;
if (pfk->dump.dump != NULL &&
3 * atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf)
pfkey_do_dump(pfk);
out_free:
skb_free_datagram(sk, skb);
out:
return err;
} | CWE-20 | 0 |
static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len,
int noblock, int flags, int *addr_len)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)msg->msg_name;
struct sk_buff *skb;
size_t copied;
int err;
if (flags & MSG_OOB)
return -EOPNOTSUPP;
if (addr_len)
*addr_len=sizeof(*sin6);
if (flags & MSG_ERRQUEUE)
return ipv6_recv_error(sk, msg, len);
if (np->rxpmtu && np->rxopt.bits.rxpmtu)
return ipv6_recv_rxpmtu(sk, msg, len);
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
copied = skb->len;
if (copied > len) {
copied = len;
msg->msg_flags |= MSG_TRUNC;
}
if (skb_csum_unnecessary(skb)) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else if (msg->msg_flags&MSG_TRUNC) {
if (__skb_checksum_complete(skb))
goto csum_copy_err;
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else {
err = skb_copy_and_csum_datagram_iovec(skb, 0, msg->msg_iov);
if (err == -EINVAL)
goto csum_copy_err;
}
if (err)
goto out_free;
/* Copy the address. */
if (sin6) {
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
sin6->sin6_addr = ipv6_hdr(skb)->saddr;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
IP6CB(skb)->iif);
}
sock_recv_ts_and_drops(msg, sk, skb);
if (np->rxopt.all)
ip6_datagram_recv_ctl(sk, msg, skb);
err = copied;
if (flags & MSG_TRUNC)
err = skb->len;
out_free:
skb_free_datagram(sk, skb);
out:
return err;
csum_copy_err:
skb_kill_datagram(sk, skb, flags);
/* Error for blocking case is chosen to masquerade
as some normal condition.
*/
err = (flags&MSG_DONTWAIT) ? -EAGAIN : -EHOSTUNREACH;
goto out;
} | CWE-200 | 10 |
CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
const char *userp,
const char *passwdp,
char **outptr, size_t *outlen)
{
CURLcode result;
char *plainauth;
size_t ulen;
size_t plen;
size_t plainlen;
*outlen = 0;
*outptr = NULL;
ulen = strlen(userp);
plen = strlen(passwdp);
/* Compute binary message length. Check for overflows. */
if((ulen > SIZE_T_MAX/2) || (plen > (SIZE_T_MAX/2 - 2)))
return CURLE_OUT_OF_MEMORY;
plainlen = 2 * ulen + plen + 2;
plainauth = malloc(plainlen);
if(!plainauth)
return CURLE_OUT_OF_MEMORY;
/* Calculate the reply */
memcpy(plainauth, userp, ulen);
plainauth[ulen] = '\0';
memcpy(plainauth + ulen + 1, userp, ulen);
plainauth[2 * ulen + 1] = '\0';
memcpy(plainauth + 2 * ulen + 2, passwdp, plen);
/* Base64 encode the reply */
result = Curl_base64_encode(data, plainauth, plainlen, outptr, outlen);
free(plainauth);
return result;
} | CWE-119 | 26 |
static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct sk_buff *skb;
int copied;
int err = 0;
lock_sock(sk);
/*
* This works for seqpacket too. The receiver has ordered the
* queue for us! We do one quick check first though
*/
if (sk->sk_type == SOCK_SEQPACKET && sk->sk_state != TCP_ESTABLISHED) {
err = -ENOTCONN;
goto out;
}
/* Now we can treat all alike */
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
if (!ax25_sk(sk)->pidincl)
skb_pull(skb, 1); /* Remove PID */
skb_reset_transport_header(skb);
copied = skb->len;
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (msg->msg_namelen != 0) {
struct sockaddr_ax25 *sax = (struct sockaddr_ax25 *)msg->msg_name;
ax25_digi digi;
ax25_address src;
const unsigned char *mac = skb_mac_header(skb);
memset(sax, 0, sizeof(struct full_sockaddr_ax25));
ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL,
&digi, NULL, NULL);
sax->sax25_family = AF_AX25;
/* We set this correctly, even though we may not let the
application know the digi calls further down (because it
did NOT ask to know them). This could get political... **/
sax->sax25_ndigis = digi.ndigi;
sax->sax25_call = src;
if (sax->sax25_ndigis != 0) {
int ct;
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)sax;
for (ct = 0; ct < digi.ndigi; ct++)
fsa->fsa_digipeater[ct] = digi.calls[ct];
}
msg->msg_namelen = sizeof(struct full_sockaddr_ax25);
}
skb_free_datagram(sk, skb);
err = copied;
out:
release_sock(sk);
return err;
} | CWE-20 | 0 |
static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct rose_sock *rose = rose_sk(sk);
struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
size_t copied;
unsigned char *asmptr;
struct sk_buff *skb;
int n, er, qbit;
/*
* This works for seqpacket too. The receiver has ordered the queue for
* us! We do one quick check first though
*/
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
/* Now we can treat all alike */
if ((skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &er)) == NULL)
return er;
qbit = (skb->data[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
skb_pull(skb, ROSE_MIN_LEN);
if (rose->qbitincl) {
asmptr = skb_push(skb, 1);
*asmptr = qbit;
}
skb_reset_transport_header(skb);
copied = skb->len;
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (srose != NULL) {
memset(srose, 0, msg->msg_namelen);
srose->srose_family = AF_ROSE;
srose->srose_addr = rose->dest_addr;
srose->srose_call = rose->dest_call;
srose->srose_ndigis = rose->dest_ndigis;
if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) {
struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name;
for (n = 0 ; n < rose->dest_ndigis ; n++)
full_srose->srose_digis[n] = rose->dest_digis[n];
msg->msg_namelen = sizeof(struct full_sockaddr_rose);
} else {
if (rose->dest_ndigis >= 1) {
srose->srose_ndigis = 1;
srose->srose_digi = rose->dest_digis[0];
}
msg->msg_namelen = sizeof(struct sockaddr_rose);
}
}
skb_free_datagram(sk, skb);
return copied;
} | CWE-20 | 0 |
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
unsigned int, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
{
struct socket *sock;
struct iovec iov;
struct msghdr msg;
struct sockaddr_storage address;
int err, err2;
int fput_needed;
if (size > INT_MAX)
size = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
msg.msg_name = (struct sockaddr *)&address;
msg.msg_namelen = sizeof(address);
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
err2 = move_addr_to_user(&address,
msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
}
fput_light(sock->file, fput_needed);
out:
return err;
} | CWE-20 | 0 |
static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
return dax_mkwrite(vma, vmf, ext4_get_block_dax,
ext4_end_io_unwritten);
} | CWE-362 | 18 |
static void __exit xfrm6_tunnel_fini(void)
{
unregister_pernet_subsys(&xfrm6_tunnel_net_ops);
xfrm6_tunnel_spi_fini();
xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
} | CWE-362 | 18 |
int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl,
int type)
{
int err;
char *xattr_name;
size_t size = 0;
char *value = NULL;
hfs_dbg(ACL_MOD, "[%s]: ino %lu\n", __func__, inode->i_ino);
switch (type) {
case ACL_TYPE_ACCESS:
xattr_name = XATTR_NAME_POSIX_ACL_ACCESS;
if (acl) {
err = posix_acl_equiv_mode(acl, &inode->i_mode);
if (err < 0)
return err;
}
err = 0;
break;
case ACL_TYPE_DEFAULT:
xattr_name = XATTR_NAME_POSIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
}
if (acl) {
size = posix_acl_xattr_size(acl->a_count);
if (unlikely(size > HFSPLUS_MAX_INLINE_DATA_SIZE))
return -ENOMEM;
value = (char *)hfsplus_alloc_attr_entry();
if (unlikely(!value))
return -ENOMEM;
err = posix_acl_to_xattr(&init_user_ns, acl, value, size);
if (unlikely(err < 0))
goto end_set_acl;
}
err = __hfsplus_setxattr(inode, xattr_name, value, size, 0);
end_set_acl:
hfsplus_destroy_attr_entry((hfsplus_attr_entry *)value);
if (!err)
set_cached_acl(inode, type, acl);
return err;
} | CWE-285 | 23 |
static VALUE cState_space_before_set(VALUE self, VALUE space_before)
{
unsigned long len;
GET_STATE(self);
Check_Type(space_before, T_STRING);
len = RSTRING_LEN(space_before);
if (len == 0) {
if (state->space_before) {
ruby_xfree(state->space_before);
state->space_before = NULL;
state->space_before_len = 0;
}
} else {
if (state->space_before) ruby_xfree(state->space_before);
state->space_before = strdup(RSTRING_PTR(space_before));
state->space_before_len = len;
}
return Qnil;
} | CWE-119 | 26 |
rndr_quote(struct buf *ob, const struct buf *text, void *opaque)
{
if (!text || !text->size)
return 0;
BUFPUTSL(ob, "<q>");
bufput(ob, text->data, text->size);
BUFPUTSL(ob, "</q>");
return 1;
} | CWE-74 | 1 |
static int http_open(URLContext *h, const char *uri, int flags,
AVDictionary **options)
{
HTTPContext *s = h->priv_data;
int ret;
if( s->seekable == 1 )
h->is_streamed = 0;
else
h->is_streamed = 1;
s->filesize = -1;
s->location = av_strdup(uri);
if (!s->location)
return AVERROR(ENOMEM);
if (options)
av_dict_copy(&s->chained_options, *options, 0);
if (s->headers) {
int len = strlen(s->headers);
if (len < 2 || strcmp("\r\n", s->headers + len - 2)) {
av_log(h, AV_LOG_WARNING,
"No trailing CRLF found in HTTP header.\n");
ret = av_reallocp(&s->headers, len + 3);
if (ret < 0)
return ret;
s->headers[len] = '\r';
s->headers[len + 1] = '\n';
s->headers[len + 2] = '\0';
}
}
if (s->listen) {
return http_listen(h, uri, flags, options);
}
ret = http_open_cnx(h, options);
if (ret < 0)
av_dict_free(&s->chained_options);
return ret;
} | CWE-119 | 26 |
error_t enc624j600SoftReset(NetInterface *interface)
{
//Wait for the SPI interface to be ready
do
{
//Write 0x1234 to EUDAST
enc624j600WriteReg(interface, ENC624J600_REG_EUDAST, 0x1234);
//Read back register and check contents
} while(enc624j600ReadReg(interface, ENC624J600_REG_EUDAST) != 0x1234);
//Poll CLKRDY and wait for it to become set
while((enc624j600ReadReg(interface, ENC624J600_REG_ESTAT) & ESTAT_CLKRDY) == 0)
{
}
//Issue a system reset command by setting ETHRST
enc624j600SetBit(interface, ENC624J600_REG_ECON2, ECON2_ETHRST);
//Wait at least 25us for the reset to take place
sleep(1);
//Read EUDAST to confirm that the system reset took place.
//EUDAST should have reverted back to its reset default
if(enc624j600ReadReg(interface, ENC624J600_REG_EUDAST) != 0x0000)
{
return ERROR_FAILURE;
}
//Wait at least 256us for the PHY registers and PHY
//status bits to become available
sleep(1);
//The controller is now ready to accept further commands
return NO_ERROR;
} | CWE-20 | 0 |
static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
p_code_block)
{
OPJ_UINT32 l_data_size;
/* The +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
l_data_size = 1 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
(p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
if (l_data_size > p_code_block->data_size) {
if (p_code_block->data) {
/* We refer to data - 1 since below we incremented it */
opj_free(p_code_block->data - 1);
}
p_code_block->data = (OPJ_BYTE*) opj_malloc(l_data_size + 1);
if (! p_code_block->data) {
p_code_block->data_size = 0U;
return OPJ_FALSE;
}
p_code_block->data_size = l_data_size;
/* We reserve the initial byte as a fake byte to a non-FF value */
/* and increment the data pointer, so that opj_mqc_init_enc() */
/* can do bp = data - 1, and opj_mqc_byteout() can safely dereference */
/* it. */
p_code_block->data[0] = 0;
p_code_block->data += 1; /*why +1 ?*/
}
return OPJ_TRUE;
} | CWE-119 | 26 |
error_t lpc546xxEthUpdateMacConfig(NetInterface *interface)
{
uint32_t config;
//Read current MAC configuration
config = ENET->MAC_CONFIG;
//10BASE-T or 100BASE-TX operation mode?
if(interface->linkSpeed == NIC_LINK_SPEED_100MBPS)
{
config |= ENET_MAC_CONFIG_FES_MASK;
}
else
{
config &= ~ENET_MAC_CONFIG_FES_MASK;
}
//Half-duplex or full-duplex mode?
if(interface->duplexMode == NIC_FULL_DUPLEX_MODE)
{
config |= ENET_MAC_CONFIG_DM_MASK;
}
else
{
config &= ~ENET_MAC_CONFIG_DM_MASK;
}
//Update MAC configuration register
ENET->MAC_CONFIG = config;
//Successful processing
return NO_ERROR;
} | CWE-20 | 0 |
static void vector64_dst_append(RStrBuf *sb, csh *handle, cs_insn *insn, int n, int i) {
cs_arm64_op op = INSOP64 (n);
if (op.vector_index != -1) {
i = op.vector_index;
}
#if CS_API_MAJOR == 4
const bool isvessas = (op.vess || op.vas);
#else
const bool isvessas = op.vas;
#endif
if (isvessas && i != -1) {
int size = vector_size (&op);
int shift = i * size;
char *regc = "l";
size_t s = sizeof (bitmask_by_width) / sizeof (*bitmask_by_width);
size_t index = size > 0? (size - 1) % s: 0;
if (index >= BITMASK_BY_WIDTH_COUNT) {
index = 0;
}
ut64 mask = bitmask_by_width[index];
if (shift >= 64) {
shift -= 64;
regc = "h";
}
if (shift > 0 && shift < 64) {
r_strbuf_appendf (sb, "%d,SWAP,0x%"PFMT64x",&,<<,%s%s,0x%"PFMT64x",&,|,%s%s",
shift, mask, REG64 (n), regc, VEC64_MASK (shift, size), REG64 (n), regc);
} else {
int dimsize = size % 64;
r_strbuf_appendf (sb, "0x%"PFMT64x",&,%s%s,0x%"PFMT64x",&,|,%s%s",
mask, REG64 (n), regc, VEC64_MASK (shift, dimsize), REG64 (n), regc);
}
} else {
r_strbuf_appendf (sb, "%s", REG64 (n));
}
} | CWE-119 | 26 |
static int xfrm_alloc_replay_state_esn(struct xfrm_replay_state_esn **replay_esn,
struct xfrm_replay_state_esn **preplay_esn,
struct nlattr *rta)
{
struct xfrm_replay_state_esn *p, *pp, *up;
if (!rta)
return 0;
up = nla_data(rta);
p = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
if (!p)
return -ENOMEM;
pp = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
if (!pp) {
kfree(p);
return -ENOMEM;
}
*replay_esn = p;
*preplay_esn = pp;
return 0;
} | CWE-200 | 10 |
static int iwl_process_add_sta_resp(struct iwl_priv *priv,
struct iwl_addsta_cmd *addsta,
struct iwl_rx_packet *pkt)
{
u8 sta_id = addsta->sta.sta_id;
unsigned long flags;
int ret = -EIO;
if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
pkt->hdr.flags);
return ret;
}
IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n",
sta_id);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
switch (pkt->u.add_sta.status) {
case ADD_STA_SUCCESS_MSK:
IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n");
iwl_sta_ucode_activate(priv, sta_id);
ret = 0;
break;
case ADD_STA_NO_ROOM_IN_TABLE:
IWL_ERR(priv, "Adding station %d failed, no room in table.\n",
sta_id);
break;
case ADD_STA_NO_BLOCK_ACK_RESOURCE:
IWL_ERR(priv, "Adding station %d failed, no block ack "
"resource.\n", sta_id);
break;
case ADD_STA_MODIFY_NON_EXIST_STA:
IWL_ERR(priv, "Attempting to modify non-existing station %d\n",
sta_id);
break;
default:
IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n",
pkt->u.add_sta.status);
break;
}
IWL_DEBUG_INFO(priv, "%s station id %u addr %pM\n",
priv->stations[sta_id].sta.mode ==
STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
sta_id, priv->stations[sta_id].sta.sta.addr);
/*
* XXX: The MAC address in the command buffer is often changed from
* the original sent to the device. That is, the MAC address
* written to the command buffer often is not the same MAC address
* read from the command buffer when the command returns. This
* issue has not yet been resolved and this debugging is left to
* observe the problem.
*/
IWL_DEBUG_INFO(priv, "%s station according to cmd buffer %pM\n",
priv->stations[sta_id].sta.mode ==
STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
addsta->sta.addr);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return ret;
} | CWE-119 | 26 |
hash_link_ref(const uint8_t *link_ref, size_t length)
{
size_t i;
unsigned int hash = 0;
for (i = 0; i < length; ++i)
hash = tolower(link_ref[i]) + (hash << 6) + (hash << 16) - hash;
return hash;
} | CWE-327 | 3 |
void * pvPortMalloc( size_t xWantedSize )
{
void * pvReturn = NULL;
static uint8_t * pucAlignedHeap = NULL;
/* Ensure that blocks are always aligned to the required number of bytes. */
#if ( portBYTE_ALIGNMENT != 1 )
{
if( xWantedSize & portBYTE_ALIGNMENT_MASK )
{
/* Byte alignment required. */
xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
}
}
#endif
vTaskSuspendAll();
{
if( pucAlignedHeap == NULL )
{
/* Ensure the heap starts on a correctly aligned boundary. */
pucAlignedHeap = ( uint8_t * ) ( ( ( portPOINTER_SIZE_TYPE ) & ucHeap[ portBYTE_ALIGNMENT ] ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) );
}
/* Check there is enough room left for the allocation. */
if( ( ( xNextFreeByte + xWantedSize ) < configADJUSTED_HEAP_SIZE ) &&
( ( xNextFreeByte + xWantedSize ) > xNextFreeByte ) ) /* Check for overflow. */
{
/* Return the next free byte then increment the index past this
* block. */
pvReturn = pucAlignedHeap + xNextFreeByte;
xNextFreeByte += xWantedSize;
}
traceMALLOC( pvReturn, xWantedSize );
}
( void ) xTaskResumeAll();
#if ( configUSE_MALLOC_FAILED_HOOK == 1 )
{
if( pvReturn == NULL )
{
extern void vApplicationMallocFailedHook( void );
vApplicationMallocFailedHook();
}
}
#endif
return pvReturn;
}
| CWE-119 | 26 |
static int udf_symlink_filler(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
struct buffer_head *bh = NULL;
unsigned char *symlink;
int err = -EIO;
unsigned char *p = kmap(page);
struct udf_inode_info *iinfo;
uint32_t pos;
iinfo = UDF_I(inode);
pos = udf_block_map(inode, 0);
down_read(&iinfo->i_data_sem);
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
symlink = iinfo->i_ext.i_data + iinfo->i_lenEAttr;
} else {
bh = sb_bread(inode->i_sb, pos);
if (!bh)
goto out;
symlink = bh->b_data;
}
udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p);
brelse(bh);
up_read(&iinfo->i_data_sem);
SetPageUptodate(page);
kunmap(page);
unlock_page(page);
return 0;
out:
up_read(&iinfo->i_data_sem);
SetPageError(page);
kunmap(page);
unlock_page(page);
return err;
} | CWE-119 | 26 |
label (const uint8_t * src, size_t srclen, uint8_t * dst, size_t * dstlen,
int flags)
{
size_t plen;
uint32_t *p;
int rc;
size_t tmpl;
if (_idn2_ascii_p (src, srclen))
{
if (flags & IDN2_ALABEL_ROUNDTRIP)
/* FIXME implement this MAY:
If the input to this procedure appears to be an A-label
(i.e., it starts in "xn--", interpreted
case-insensitively), the lookup application MAY attempt to
convert it to a U-label, first ensuring that the A-label is
entirely in lowercase (converting it to lowercase if
necessary), and apply the tests of Section 5.4 and the
conversion of Section 5.5 to that form. */
return IDN2_INVALID_FLAGS;
if (srclen > IDN2_LABEL_MAX_LENGTH)
return IDN2_TOO_BIG_LABEL;
if (srclen > *dstlen)
return IDN2_TOO_BIG_DOMAIN;
memcpy (dst, src, srclen);
*dstlen = srclen;
return IDN2_OK;
}
rc = _idn2_u8_to_u32_nfc (src, srclen, &p, &plen, flags & IDN2_NFC_INPUT);
if (rc != IDN2_OK)
return rc;
if (!(flags & IDN2_TRANSITIONAL))
{
rc = _idn2_label_test(
TEST_NFC |
TEST_2HYPHEN |
TEST_LEADING_COMBINING |
TEST_DISALLOWED |
TEST_CONTEXTJ_RULE |
TEST_CONTEXTO_WITH_RULE |
TEST_UNASSIGNED | TEST_BIDI |
((flags & IDN2_NONTRANSITIONAL) ? TEST_NONTRANSITIONAL : 0) |
((flags & IDN2_USE_STD3_ASCII_RULES) ? 0 : TEST_ALLOW_STD3_DISALLOWED),
p, plen);
if (rc != IDN2_OK)
{
free(p);
return rc;
}
}
dst[0] = 'x';
dst[1] = 'n';
dst[2] = '-';
dst[3] = '-';
tmpl = *dstlen - 4;
rc = _idn2_punycode_encode (plen, p, &tmpl, (char *) dst + 4);
free (p);
if (rc != IDN2_OK)
return rc;
*dstlen = 4 + tmpl;
return IDN2_OK;
} | CWE-20 | 0 |
void sock_release(struct socket *sock)
{
if (sock->ops) {
struct module *owner = sock->ops->owner;
sock->ops->release(sock);
sock->ops = NULL;
module_put(owner);
}
if (rcu_dereference_protected(sock->wq, 1)->fasync_list)
pr_err("%s: fasync list not empty!\n", __func__);
if (!sock->file) {
iput(SOCK_INODE(sock));
return;
}
sock->file = NULL;
} | CWE-362 | 18 |
CAMLprim value caml_alloc_dummy(value size)
{
mlsize_t wosize = Int_val(size);
if (wosize == 0) return Atom(0);
return caml_alloc (wosize, 0);
} | CWE-119 | 26 |
void beforeSleep(struct aeEventLoop *eventLoop) {
REDIS_NOTUSED(eventLoop);
listNode *ln;
redisClient *c;
/* Awake clients that got all the swapped keys they requested */
if (server.vm_enabled && listLength(server.io_ready_clients)) {
listIter li;
listRewind(server.io_ready_clients,&li);
while((ln = listNext(&li))) {
c = ln->value;
struct redisCommand *cmd;
/* Resume the client. */
listDelNode(server.io_ready_clients,ln);
c->flags &= (~REDIS_IO_WAIT);
server.vm_blocked_clients--;
aeCreateFileEvent(server.el, c->fd, AE_READABLE,
readQueryFromClient, c);
cmd = lookupCommand(c->argv[0]->ptr);
redisAssert(cmd != NULL);
call(c,cmd);
resetClient(c);
/* There may be more data to process in the input buffer. */
if (c->querybuf && sdslen(c->querybuf) > 0)
processInputBuffer(c);
}
}
/* Try to process pending commands for clients that were just unblocked. */
while (listLength(server.unblocked_clients)) {
ln = listFirst(server.unblocked_clients);
redisAssert(ln != NULL);
c = ln->value;
listDelNode(server.unblocked_clients,ln);
/* Process remaining data in the input buffer. */
if (c->querybuf && sdslen(c->querybuf) > 0)
processInputBuffer(c);
}
/* Write the AOF buffer on disk */
flushAppendOnlyFile();
} | CWE-20 | 0 |
de_dotdot( char* file )
{
char* cp;
char* cp2;
int l;
/* Collapse any multiple / sequences. */
while ( ( cp = strstr( file, "//") ) != (char*) 0 )
{
for ( cp2 = cp + 2; *cp2 == '/'; ++cp2 )
continue;
(void) strcpy( cp + 1, cp2 );
}
/* Remove leading ./ and any /./ sequences. */
while ( strncmp( file, "./", 2 ) == 0 )
(void) memmove( file, file + 2, strlen( file ) - 1 );
while ( ( cp = strstr( file, "/./") ) != (char*) 0 )
(void) memmove( cp, cp + 2, strlen( file ) - 1 );
/* Alternate between removing leading ../ and removing xxx/../ */
for (;;)
{
while ( strncmp( file, "../", 3 ) == 0 )
(void) memmove( file, file + 3, strlen( file ) - 2 );
cp = strstr( file, "/../" );
if ( cp == (char*) 0 )
break;
for ( cp2 = cp - 1; cp2 >= file && *cp2 != '/'; --cp2 )
continue;
(void) strcpy( cp2 + 1, cp + 4 );
}
/* Also elide any xxx/.. at the end. */
while ( ( l = strlen( file ) ) > 3 &&
strcmp( ( cp = file + l - 3 ), "/.." ) == 0 )
{
for ( cp2 = cp - 1; cp2 >= file && *cp2 != '/'; --cp2 )
continue;
if ( cp2 < file )
break;
*cp2 = '\0';
}
} | CWE-119 | 26 |
cdf_file_summary_info(struct magic_set *ms, const cdf_header_t *h,
const cdf_stream_t *sst, const uint64_t clsid[2])
{
cdf_summary_info_header_t si;
cdf_property_info_t *info;
size_t count;
int m;
if (cdf_unpack_summary_info(sst, h, &si, &info, &count) == -1)
return -1;
if (NOTMIME(ms)) {
const char *str;
if (file_printf(ms, "Composite Document File V2 Document")
== -1)
return -1;
if (file_printf(ms, ", %s Endian",
si.si_byte_order == 0xfffe ? "Little" : "Big") == -1)
return -2;
switch (si.si_os) {
case 2:
if (file_printf(ms, ", Os: Windows, Version %d.%d",
si.si_os_version & 0xff,
(uint32_t)si.si_os_version >> 8) == -1)
return -2;
break;
case 1:
if (file_printf(ms, ", Os: MacOS, Version %d.%d",
(uint32_t)si.si_os_version >> 8,
si.si_os_version & 0xff) == -1)
return -2;
break;
default:
if (file_printf(ms, ", Os %d, Version: %d.%d", si.si_os,
si.si_os_version & 0xff,
(uint32_t)si.si_os_version >> 8) == -1)
return -2;
break;
}
str = cdf_clsid_to_mime(clsid, clsid2desc);
if (str)
if (file_printf(ms, ", %s", str) == -1)
return -2;
}
m = cdf_file_property_info(ms, info, count, clsid);
free(info);
return m == -1 ? -2 : m;
} | CWE-119 | 26 |
int cipso_v4_req_setattr(struct request_sock *req,
const struct cipso_v4_doi *doi_def,
const struct netlbl_lsm_secattr *secattr)
{
int ret_val = -EPERM;
unsigned char *buf = NULL;
u32 buf_len;
u32 opt_len;
struct ip_options *opt = NULL;
struct inet_request_sock *req_inet;
/* We allocate the maximum CIPSO option size here so we are probably
* being a little wasteful, but it makes our life _much_ easier later
* on and after all we are only talking about 40 bytes. */
buf_len = CIPSO_V4_OPT_LEN_MAX;
buf = kmalloc(buf_len, GFP_ATOMIC);
if (buf == NULL) {
ret_val = -ENOMEM;
goto req_setattr_failure;
}
ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
if (ret_val < 0)
goto req_setattr_failure;
buf_len = ret_val;
/* We can't use ip_options_get() directly because it makes a call to
* ip_options_get_alloc() which allocates memory with GFP_KERNEL and
* we won't always have CAP_NET_RAW even though we _always_ want to
* set the IPOPT_CIPSO option. */
opt_len = (buf_len + 3) & ~3;
opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);
if (opt == NULL) {
ret_val = -ENOMEM;
goto req_setattr_failure;
}
memcpy(opt->__data, buf, buf_len);
opt->optlen = opt_len;
opt->cipso = sizeof(struct iphdr);
kfree(buf);
buf = NULL;
req_inet = inet_rsk(req);
opt = xchg(&req_inet->opt, opt);
kfree(opt);
return 0;
req_setattr_failure:
kfree(buf);
kfree(opt);
return ret_val;
} | CWE-362 | 18 |
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
unsigned int, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
{
struct socket *sock;
struct iovec iov;
struct msghdr msg;
struct sockaddr_storage address;
int err, err2;
int fput_needed;
if (size > INT_MAX)
size = INT_MAX;
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
msg.msg_name = (struct sockaddr *)&address;
msg.msg_namelen = sizeof(address);
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
err2 = move_addr_to_user(&address,
msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
}
fput_light(sock->file, fput_needed);
out:
return err;
} | CWE-20 | 0 |
static int read_public_key(RSA *rsa)
{
int r;
sc_path_t path;
sc_file_t *file;
u8 buf[2048], *p = buf;
size_t bufsize, keysize;
r = select_app_df();
if (r)
return 1;
sc_format_path("I1012", &path);
r = sc_select_file(card, &path, &file);
if (r) {
fprintf(stderr, "Unable to select public key file: %s\n", sc_strerror(r));
return 2;
}
bufsize = file->size;
sc_file_free(file);
r = sc_read_binary(card, 0, buf, bufsize, 0);
if (r < 0) {
fprintf(stderr, "Unable to read public key file: %s\n", sc_strerror(r));
return 2;
}
bufsize = r;
do {
if (bufsize < 4)
return 3;
keysize = (p[0] << 8) | p[1];
if (keysize == 0)
break;
if (keysize < 3)
return 3;
if (p[2] == opt_key_num)
break;
p += keysize;
bufsize -= keysize;
} while (1);
if (keysize == 0) {
printf("Key number %d not found.\n", opt_key_num);
return 2;
}
return parse_public_key(p, keysize, rsa);
} | CWE-119 | 26 |
static void vmx_set_constant_host_state(struct vcpu_vmx *vmx)
{
u32 low32, high32;
unsigned long tmpl;
struct desc_ptr dt;
vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */
vmcs_writel(HOST_CR4, read_cr4()); /* 22.2.3, 22.2.5 */
vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */
vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS); /* 22.2.4 */
#ifdef CONFIG_X86_64
/*
* Load null selectors, so we can avoid reloading them in
* __vmx_load_host_state(), in case userspace uses the null selectors
* too (the expected case).
*/
vmcs_write16(HOST_DS_SELECTOR, 0);
vmcs_write16(HOST_ES_SELECTOR, 0);
#else
vmcs_write16(HOST_DS_SELECTOR, __KERNEL_DS); /* 22.2.4 */
vmcs_write16(HOST_ES_SELECTOR, __KERNEL_DS); /* 22.2.4 */
#endif
vmcs_write16(HOST_SS_SELECTOR, __KERNEL_DS); /* 22.2.4 */
vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8); /* 22.2.4 */
native_store_idt(&dt);
vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */
vmx->host_idt_base = dt.address;
vmcs_writel(HOST_RIP, vmx_return); /* 22.2.5 */
rdmsr(MSR_IA32_SYSENTER_CS, low32, high32);
vmcs_write32(HOST_IA32_SYSENTER_CS, low32);
rdmsrl(MSR_IA32_SYSENTER_EIP, tmpl);
vmcs_writel(HOST_IA32_SYSENTER_EIP, tmpl); /* 22.2.3 */
if (vmcs_config.vmexit_ctrl & VM_EXIT_LOAD_IA32_PAT) {
rdmsr(MSR_IA32_CR_PAT, low32, high32);
vmcs_write64(HOST_IA32_PAT, low32 | ((u64) high32 << 32));
}
} | CWE-400 | 2 |
static int rawsock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags)
{
int noblock = flags & MSG_DONTWAIT;
struct sock *sk = sock->sk;
struct sk_buff *skb;
int copied;
int rc;
pr_debug("sock=%p sk=%p len=%zu flags=%d\n", sock, sk, len, flags);
skb = skb_recv_datagram(sk, flags, noblock, &rc);
if (!skb)
return rc;
msg->msg_namelen = 0;
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
rc = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
skb_free_datagram(sk, skb);
return rc ? : copied;
} | CWE-20 | 0 |
sf_flac_write_callback (const FLAC__StreamDecoder * UNUSED (decoder), const FLAC__Frame *frame, const int32_t * const buffer [], void *client_data)
{ SF_PRIVATE *psf = (SF_PRIVATE*) client_data ;
FLAC_PRIVATE* pflac = (FLAC_PRIVATE*) psf->codec_data ;
pflac->frame = frame ;
pflac->bufferpos = 0 ;
pflac->bufferbackup = SF_FALSE ;
pflac->wbuffer = buffer ;
flac_buffer_copy (psf) ;
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE ;
} /* sf_flac_write_callback */ | CWE-119 | 26 |
zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC)
{
zend_lex_state original_lex_state;
zend_op_array *op_array = (zend_op_array *) emalloc(sizeof(zend_op_array));
zend_op_array *original_active_op_array = CG(active_op_array);
zend_op_array *retval;
zval tmp;
int compiler_result;
zend_bool original_in_compilation = CG(in_compilation);
if (source_string->value.str.len==0) {
efree(op_array);
return NULL;
}
CG(in_compilation) = 1;
tmp = *source_string;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
source_string = &tmp;
zend_save_lexical_state(&original_lex_state TSRMLS_CC);
if (zend_prepare_string_for_scanning(source_string, filename TSRMLS_CC)==FAILURE) {
efree(op_array);
retval = NULL;
} else {
zend_bool orig_interactive = CG(interactive);
CG(interactive) = 0;
init_op_array(op_array, ZEND_EVAL_CODE, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);
CG(interactive) = orig_interactive;
CG(active_op_array) = op_array;
zend_stack_push(&CG(context_stack), (void *) &CG(context), sizeof(CG(context)));
zend_init_compiler_context(TSRMLS_C);
BEGIN(ST_IN_SCRIPTING);
compiler_result = zendparse(TSRMLS_C);
if (SCNG(script_filtered)) {
efree(SCNG(script_filtered));
SCNG(script_filtered) = NULL;
}
if (compiler_result==1) {
CG(active_op_array) = original_active_op_array;
CG(unclean_shutdown)=1;
destroy_op_array(op_array TSRMLS_CC);
efree(op_array);
retval = NULL;
} else {
zend_do_return(NULL, 0 TSRMLS_CC);
CG(active_op_array) = original_active_op_array;
pass_two(op_array TSRMLS_CC);
zend_release_labels(0 TSRMLS_CC);
retval = op_array;
}
}
zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
zval_dtor(&tmp);
CG(in_compilation) = original_in_compilation;
return retval;
} | CWE-20 | 0 |
void lpc546xxEthEventHandler(NetInterface *interface)
{
error_t error;
//Packet received?
if((ENET->DMA_CH[0].DMA_CHX_STAT & ENET_DMA_CH_DMA_CHX_STAT_RI_MASK) != 0)
{
//Clear interrupt flag
ENET->DMA_CH[0].DMA_CHX_STAT = ENET_DMA_CH_DMA_CHX_STAT_RI_MASK;
//Process all pending packets
do
{
//Read incoming packet
error = lpc546xxEthReceivePacket(interface);
//No more data in the receive buffer?
} while(error != ERROR_BUFFER_EMPTY);
}
//Re-enable DMA interrupts
ENET->DMA_CH[0].DMA_CHX_INT_EN = ENET_DMA_CH_DMA_CHX_INT_EN_NIE_MASK |
ENET_DMA_CH_DMA_CHX_INT_EN_RIE_MASK | ENET_DMA_CH_DMA_CHX_INT_EN_TIE_MASK;
} | CWE-20 | 0 |
char *url_decode_r(char *to, char *url, size_t size) {
char *s = url, // source
*d = to, // destination
*e = &to[size - 1]; // destination end
while(*s && d < e) {
if(unlikely(*s == '%')) {
if(likely(s[1] && s[2])) {
*d++ = from_hex(s[1]) << 4 | from_hex(s[2]);
s += 2;
}
}
else if(unlikely(*s == '+'))
*d++ = ' ';
else
*d++ = *s;
s++;
}
*d = '\0';
return to;
} | CWE-116 | 15 |
static int cac_get_serial_nr_from_CUID(sc_card_t* card, sc_serial_number_t* serial)
{
cac_private_data_t * priv = CAC_DATA(card);
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_NORMAL);
if (card->serialnr.len) {
*serial = card->serialnr;
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
if (priv->cac_id_len) {
serial->len = MIN(priv->cac_id_len, SC_MAX_SERIALNR);
memcpy(serial->value, priv->cac_id, priv->cac_id_len);
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_FILE_NOT_FOUND);
} | CWE-119 | 26 |
static void tokenadd(struct jv_parser* p, char c) {
assert(p->tokenpos <= p->tokenlen);
if (p->tokenpos == p->tokenlen) {
p->tokenlen = p->tokenlen*2 + 256;
p->tokenbuf = jv_mem_realloc(p->tokenbuf, p->tokenlen);
}
assert(p->tokenpos < p->tokenlen);
p->tokenbuf[p->tokenpos++] = c;
} | CWE-119 | 26 |
unix_client_connect(hsm_com_client_hdl_t *hdl)
{
int fd, len;
struct sockaddr_un unix_addr;
if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
{
return HSM_COM_ERROR;
}
memset(&unix_addr,0,sizeof(unix_addr));
unix_addr.sun_family = AF_UNIX;
if(strlen(hdl->c_path) >= sizeof(unix_addr.sun_path))
{
close(fd);
return HSM_COM_PATH_ERR;
}
snprintf(unix_addr.sun_path, sizeof(unix_addr.sun_path), "%s", hdl->c_path);
len = SUN_LEN(&unix_addr);
unlink(unix_addr.sun_path);
if(bind(fd, (struct sockaddr *)&unix_addr, len) < 0)
{
unlink(hdl->c_path);
close(fd);
return HSM_COM_BIND_ERR;
}
if(chmod(unix_addr.sun_path, S_IRWXU) < 0)
{
unlink(hdl->c_path);
close(fd);
return HSM_COM_CHMOD_ERR;
}
memset(&unix_addr,0,sizeof(unix_addr));
unix_addr.sun_family = AF_UNIX;
strncpy(unix_addr.sun_path, hdl->s_path, sizeof(unix_addr.sun_path));
unix_addr.sun_path[sizeof(unix_addr.sun_path)-1] = 0;
len = SUN_LEN(&unix_addr);
if (connect(fd, (struct sockaddr *) &unix_addr, len) < 0)
{
unlink(hdl->c_path);
close(fd);
return HSM_COM_CONX_ERR;
}
hdl->client_fd = fd;
hdl->client_state = HSM_COM_C_STATE_CT;
// Send connection data packet
if(unix_sck_send_conn(hdl, 2) != HSM_COM_OK)
{
hdl->client_state = HSM_COM_C_STATE_IN;
return HSM_COM_SEND_ERR;
}
return HSM_COM_OK;
}
| CWE-362 | 18 |
fpDiff(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;
uint8 *cp = (uint8 *) cp0;
uint8 *tmp = (uint8 *)_TIFFmalloc(cc);
assert((cc%(bps*stride))==0);
if (!tmp)
return;
_TIFFmemcpy(tmp, cp0, cc);
for (count = 0; count < wc; count++) {
uint32 byte;
for (byte = 0; byte < bps; byte++) {
#if WORDS_BIGENDIAN
cp[byte * wc + count] = tmp[bps * count + byte];
#else
cp[(bps - byte - 1) * wc + count] =
tmp[bps * count + byte];
#endif
}
}
_TIFFfree(tmp);
cp = (uint8 *) cp0;
cp += cc - stride - 1;
for (count = cc; count > stride; count -= stride)
REPEAT4(stride, cp[stride] = (unsigned char)((cp[stride] - cp[0])&0xff); cp--)
} | CWE-119 | 26 |
static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof TSRMLS_DC)
{
char *ksep, *vsep, *val;
size_t klen, vlen;
/* FIXME: string-size_t */
unsigned int new_vlen;
if (var->ptr >= var->end) {
return 0;
}
vsep = memchr(var->ptr, '&', var->end - var->ptr);
if (!vsep) {
if (!eof) {
return 0;
} else {
vsep = var->end;
}
}
ksep = memchr(var->ptr, '=', vsep - var->ptr);
if (ksep) {
*ksep = '\0';
/* "foo=bar&" or "foo=&" */
klen = ksep - var->ptr;
vlen = vsep - ++ksep;
} else {
ksep = "";
/* "foo&" */
klen = vsep - var->ptr;
vlen = 0;
}
php_url_decode(var->ptr, klen);
val = estrndup(ksep, vlen);
if (vlen) {
vlen = php_url_decode(val, vlen);
}
if (sapi_module.input_filter(PARSE_POST, var->ptr, &val, vlen, &new_vlen TSRMLS_CC)) {
php_register_variable_safe(var->ptr, val, new_vlen, arr TSRMLS_CC);
}
efree(val);
var->ptr = vsep + (vsep != var->end);
return 1;
} | CWE-400 | 2 |
unsigned long insn_get_seg_base(struct pt_regs *regs, int seg_reg_idx)
{
struct desc_struct *desc;
short sel;
sel = get_segment_selector(regs, seg_reg_idx);
if (sel < 0)
return -1L;
if (v8086_mode(regs))
/*
* Base is simply the segment selector shifted 4
* bits to the right.
*/
return (unsigned long)(sel << 4);
if (user_64bit_mode(regs)) {
/*
* Only FS or GS will have a base address, the rest of
* the segments' bases are forced to 0.
*/
unsigned long base;
if (seg_reg_idx == INAT_SEG_REG_FS)
rdmsrl(MSR_FS_BASE, base);
else if (seg_reg_idx == INAT_SEG_REG_GS)
/*
* swapgs was called at the kernel entry point. Thus,
* MSR_KERNEL_GS_BASE will have the user-space GS base.
*/
rdmsrl(MSR_KERNEL_GS_BASE, base);
else
base = 0;
return base;
}
/* In protected mode the segment selector cannot be null. */
if (!sel)
return -1L;
desc = get_desc(sel);
if (!desc)
return -1L;
return get_desc_base(desc);
} | CWE-362 | 18 |
PGTYPEStimestamp_from_asc(char *str, char **endptr)
{
timestamp result;
#ifdef HAVE_INT64_TIMESTAMP
int64 noresult = 0;
#else
double noresult = 0.0;
#endif
fsec_t fsec;
struct tm tt,
*tm = &tt;
int dtype;
int nf;
char *field[MAXDATEFIELDS];
int ftype[MAXDATEFIELDS];
char lowstr[MAXDATELEN + MAXDATEFIELDS];
char *realptr;
char **ptr = (endptr != NULL) ? endptr : &realptr;
if (strlen(str) >= sizeof(lowstr))
{
errno = PGTYPES_TS_BAD_TIMESTAMP;
return (noresult);
}
if (ParseDateTime(str, lowstr, field, ftype, &nf, ptr) != 0 ||
DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, 0) != 0)
{
errno = PGTYPES_TS_BAD_TIMESTAMP;
return (noresult);
}
switch (dtype)
{
case DTK_DATE:
if (tm2timestamp(tm, fsec, NULL, &result) != 0)
{
errno = PGTYPES_TS_BAD_TIMESTAMP;
return (noresult);
}
break;
case DTK_EPOCH:
result = SetEpochTimestamp();
break;
case DTK_LATE:
TIMESTAMP_NOEND(result);
break;
case DTK_EARLY:
TIMESTAMP_NOBEGIN(result);
break;
case DTK_INVALID:
errno = PGTYPES_TS_BAD_TIMESTAMP;
return (noresult);
default:
errno = PGTYPES_TS_BAD_TIMESTAMP;
return (noresult);
}
/* AdjustTimestampForTypmod(&result, typmod); */
/*
* Since it's difficult to test for noresult, make sure errno is 0 if no
* error occurred.
*/
errno = 0;
return result;
} | CWE-119 | 26 |
int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
{
gfn_t gfn, end_gfn;
pfn_t pfn;
int r = 0;
struct iommu_domain *domain = kvm->arch.iommu_domain;
int flags;
/* check if iommu exists and in use */
if (!domain)
return 0;
gfn = slot->base_gfn;
end_gfn = gfn + slot->npages;
flags = IOMMU_READ;
if (!(slot->flags & KVM_MEM_READONLY))
flags |= IOMMU_WRITE;
if (!kvm->arch.iommu_noncoherent)
flags |= IOMMU_CACHE;
while (gfn < end_gfn) {
unsigned long page_size;
/* Check if already mapped */
if (iommu_iova_to_phys(domain, gfn_to_gpa(gfn))) {
gfn += 1;
continue;
}
/* Get the page size we could use to map */
page_size = kvm_host_page_size(kvm, gfn);
/* Make sure the page_size does not exceed the memslot */
while ((gfn + (page_size >> PAGE_SHIFT)) > end_gfn)
page_size >>= 1;
/* Make sure gfn is aligned to the page size we want to map */
while ((gfn << PAGE_SHIFT) & (page_size - 1))
page_size >>= 1;
/* Make sure hva is aligned to the page size we want to map */
while (__gfn_to_hva_memslot(slot, gfn) & (page_size - 1))
page_size >>= 1;
/*
* Pin all pages we are about to map in memory. This is
* important because we unmap and unpin in 4kb steps later.
*/
pfn = kvm_pin_pages(slot, gfn, page_size);
if (is_error_noslot_pfn(pfn)) {
gfn += 1;
continue;
}
/* Map into IO address space */
r = iommu_map(domain, gfn_to_gpa(gfn), pfn_to_hpa(pfn),
page_size, flags);
if (r) {
printk(KERN_ERR "kvm_iommu_map_address:"
"iommu failed to map pfn=%llx\n", pfn);
kvm_unpin_pages(kvm, pfn, page_size);
goto unmap_pages;
}
gfn += page_size >> PAGE_SHIFT;
}
return 0;
unmap_pages:
kvm_iommu_put_pages(kvm, slot->base_gfn, gfn - slot->base_gfn);
return r;
} | CWE-119 | 26 |
static int muscle_list_files(sc_card_t *card, u8 *buf, size_t bufLen)
{
muscle_private_t* priv = MUSCLE_DATA(card);
mscfs_t *fs = priv->fs;
int x;
int count = 0;
mscfs_check_cache(priv->fs);
for(x = 0; x < fs->cache.size; x++) {
u8* oid= fs->cache.array[x].objectId.id;
sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL,
"FILE: %02X%02X%02X%02X\n",
oid[0],oid[1],oid[2],oid[3]);
if(0 == memcmp(fs->currentPath, oid, 2)) {
buf[0] = oid[2];
buf[1] = oid[3];
if(buf[0] == 0x00 && buf[1] == 0x00) continue; /* No directories/null names outside of root */
buf += 2;
count+=2;
}
}
return count;
} | CWE-119 | 26 |
static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
{
struct page *pages[NFS4ACL_MAXPAGES] = {NULL, };
struct nfs_getaclargs args = {
.fh = NFS_FH(inode),
.acl_pages = pages,
.acl_len = buflen,
};
struct nfs_getaclres res = {
.acl_len = buflen,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_GETACL],
.rpc_argp = &args,
.rpc_resp = &res,
};
unsigned int npages = DIV_ROUND_UP(buflen, PAGE_SIZE);
int ret = -ENOMEM, i;
/* As long as we're doing a round trip to the server anyway,
* let's be prepared for a page of acl data. */
if (npages == 0)
npages = 1;
if (npages > ARRAY_SIZE(pages))
return -ERANGE;
for (i = 0; i < npages; i++) {
pages[i] = alloc_page(GFP_KERNEL);
if (!pages[i])
goto out_free;
}
/* for decoding across pages */
res.acl_scratch = alloc_page(GFP_KERNEL);
if (!res.acl_scratch)
goto out_free;
args.acl_len = npages * PAGE_SIZE;
args.acl_pgbase = 0;
dprintk("%s buf %p buflen %zu npages %d args.acl_len %zu\n",
__func__, buf, buflen, npages, args.acl_len);
ret = nfs4_call_sync(NFS_SERVER(inode)->client, NFS_SERVER(inode),
&msg, &args.seq_args, &res.seq_res, 0);
if (ret)
goto out_free;
/* Handle the case where the passed-in buffer is too short */
if (res.acl_flags & NFS4_ACL_TRUNC) {
/* Did the user only issue a request for the acl length? */
if (buf == NULL)
goto out_ok;
ret = -ERANGE;
goto out_free;
}
nfs4_write_cached_acl(inode, pages, res.acl_data_offset, res.acl_len);
if (buf)
_copy_from_pages(buf, pages, res.acl_data_offset, res.acl_len);
out_ok:
ret = res.acl_len;
out_free:
for (i = 0; i < npages; i++)
if (pages[i])
__free_page(pages[i]);
if (res.acl_scratch)
__free_page(res.acl_scratch);
return ret;
} | CWE-119 | 26 |
static char *oidc_cache_get_hashed_key(request_rec *r, const char *passphrase,
const char *key) {
char *input = apr_psprintf(r->pool, "%s:%s", passphrase, key);
char *output = NULL;
if (oidc_util_hash_string_and_base64url_encode(r, OIDC_JOSE_ALG_SHA256,
input, &output) == FALSE) {
oidc_error(r,
"oidc_util_hash_string_and_base64url_encode returned an error");
return NULL;
}
return output;
} | CWE-330 | 12 |
static int intel_pmu_drain_bts_buffer(void)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
struct debug_store *ds = cpuc->ds;
struct bts_record {
u64 from;
u64 to;
u64 flags;
};
struct perf_event *event = cpuc->events[X86_PMC_IDX_FIXED_BTS];
struct bts_record *at, *top;
struct perf_output_handle handle;
struct perf_event_header header;
struct perf_sample_data data;
struct pt_regs regs;
if (!event)
return 0;
if (!x86_pmu.bts_active)
return 0;
at = (struct bts_record *)(unsigned long)ds->bts_buffer_base;
top = (struct bts_record *)(unsigned long)ds->bts_index;
if (top <= at)
return 0;
ds->bts_index = ds->bts_buffer_base;
perf_sample_data_init(&data, 0);
data.period = event->hw.last_period;
regs.ip = 0;
/*
* Prepare a generic sample, i.e. fill in the invariant fields.
* We will overwrite the from and to address before we output
* the sample.
*/
perf_prepare_sample(&header, &data, event, ®s);
if (perf_output_begin(&handle, event, header.size * (top - at), 1, 1))
return 1;
for (; at < top; at++) {
data.ip = at->from;
data.addr = at->to;
perf_output_sample(&handle, &header, &data, event);
}
perf_output_end(&handle);
/* There's new data available. */
event->hw.interrupts++;
event->pending_kill = POLL_IN;
return 1;
} | CWE-400 | 2 |
static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n");
rdesc[60] = 0xfa;
rdesc[40] = 0xfa;
}
return rdesc;
} | CWE-119 | 26 |
static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
AVDictionary *opts, AVDictionary *opts2, int *is_http)
{
HLSContext *c = s->priv_data;
AVDictionary *tmp = NULL;
const char *proto_name = NULL;
int ret;
av_dict_copy(&tmp, opts, 0);
av_dict_copy(&tmp, opts2, 0);
if (av_strstart(url, "crypto", NULL)) {
if (url[6] == '+' || url[6] == ':')
proto_name = avio_find_protocol_name(url + 7);
}
if (!proto_name)
proto_name = avio_find_protocol_name(url);
if (!proto_name)
return AVERROR_INVALIDDATA;
// only http(s) & file are allowed
if (!av_strstart(proto_name, "http", NULL) && !av_strstart(proto_name, "file", NULL))
return AVERROR_INVALIDDATA;
if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':')
;
else if (av_strstart(url, "crypto", NULL) && !strncmp(proto_name, url + 7, strlen(proto_name)) && url[7 + strlen(proto_name)] == ':')
;
else if (strcmp(proto_name, "file") || !strncmp(url, "file,", 5))
return AVERROR_INVALIDDATA;
ret = s->io_open(s, pb, url, AVIO_FLAG_READ, &tmp);
if (ret >= 0) {
// update cookies on http response with setcookies.
char *new_cookies = NULL;
if (!(s->flags & AVFMT_FLAG_CUSTOM_IO))
av_opt_get(*pb, "cookies", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&new_cookies);
if (new_cookies) {
av_free(c->cookies);
c->cookies = new_cookies;
}
av_dict_set(&opts, "cookies", c->cookies, 0);
}
av_dict_free(&tmp);
if (is_http)
*is_http = av_strstart(proto_name, "http", NULL);
return ret;
} | CWE-200 | 10 |
uint16_t enc624j600ReadPhyReg(NetInterface *interface, uint8_t address)
{
//Write the address of the PHY register to read from
enc624j600WriteReg(interface, ENC624J600_REG_MIREGADR, MIREGADR_R8 | address);
//Start read operation
enc624j600WriteReg(interface, ENC624J600_REG_MICMD, MICMD_MIIRD);
//Wait at least 25.6us before polling the BUSY bit
usleep(100);
//Wait for the read operation to complete
while((enc624j600ReadReg(interface, ENC624J600_REG_MISTAT) & MISTAT_BUSY) != 0)
{
}
//Clear command register
enc624j600WriteReg(interface, ENC624J600_REG_MICMD, 0x00);
//Return register contents
return enc624j600ReadReg(interface, ENC624J600_REG_MIRD);
} | CWE-20 | 0 |
static BOOL rdp_read_font_capability_set(wStream* s, UINT16 length, rdpSettings* settings)
{
WINPR_UNUSED(settings);
if (length > 4)
Stream_Seek_UINT16(s); /* fontSupportFlags (2 bytes) */
if (length > 6)
Stream_Seek_UINT16(s); /* pad2Octets (2 bytes) */
return TRUE;
} | CWE-119 | 26 |
int rtp_packetize_xiph_config( sout_stream_id_sys_t *id, const char *fmtp,
int64_t i_pts )
{
if (fmtp == NULL)
return VLC_EGENERIC;
/* extract base64 configuration from fmtp */
char *start = strstr(fmtp, "configuration=");
assert(start != NULL);
start += sizeof("configuration=") - 1;
char *end = strchr(start, ';');
assert(end != NULL);
size_t len = end - start;
char b64[len + 1];
memcpy(b64, start, len);
b64[len] = '\0';
int i_max = rtp_mtu (id) - 6; /* payload max in one packet */
uint8_t *p_orig, *p_data;
int i_data;
i_data = vlc_b64_decode_binary(&p_orig, b64);
if (i_data <= 9)
{
free(p_orig);
return VLC_EGENERIC;
}
p_data = p_orig + 9;
i_data -= 9;
int i_count = ( i_data + i_max - 1 ) / i_max;
for( int i = 0; i < i_count; i++ )
{
int i_payload = __MIN( i_max, i_data );
block_t *out = block_Alloc( 18 + i_payload );
unsigned fragtype, numpkts;
if (i_count == 1)
{
fragtype = 0;
numpkts = 1;
}
else
{
numpkts = 0;
if (i == 0)
fragtype = 1;
else if (i == i_count - 1)
fragtype = 3;
else
fragtype = 2;
}
/* Ident:24, Fragment type:2, Vorbis/Theora Data Type:2, # of pkts:4 */
uint32_t header = ((XIPH_IDENT & 0xffffff) << 8) |
(fragtype << 6) | (1 << 4) | numpkts;
/* rtp common header */
rtp_packetize_common( id, out, 0, i_pts );
SetDWBE( out->p_buffer + 12, header);
SetWBE( out->p_buffer + 16, i_payload);
memcpy( &out->p_buffer[18], p_data, i_payload );
out->i_dts = i_pts;
rtp_packetize_send( id, out );
p_data += i_payload;
i_data -= i_payload;
}
free(p_orig);
return VLC_SUCCESS;
} | CWE-119 | 26 |
static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
struct vsock_sock *vsk,
struct msghdr *msg, size_t len,
int flags)
{
int err;
int noblock;
struct vmci_datagram *dg;
size_t payload_len;
struct sk_buff *skb;
noblock = flags & MSG_DONTWAIT;
if (flags & MSG_OOB || flags & MSG_ERRQUEUE)
return -EOPNOTSUPP;
msg->msg_namelen = 0;
/* Retrieve the head sk_buff from the socket's receive queue. */
err = 0;
skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
if (err)
return err;
if (!skb)
return -EAGAIN;
dg = (struct vmci_datagram *)skb->data;
if (!dg)
/* err is 0, meaning we read zero bytes. */
goto out;
payload_len = dg->payload_size;
/* Ensure the sk_buff matches the payload size claimed in the packet. */
if (payload_len != skb->len - sizeof(*dg)) {
err = -EINVAL;
goto out;
}
if (payload_len > len) {
payload_len = len;
msg->msg_flags |= MSG_TRUNC;
}
/* Place the datagram payload in the user's iovec. */
err = skb_copy_datagram_iovec(skb, sizeof(*dg), msg->msg_iov,
payload_len);
if (err)
goto out;
if (msg->msg_name) {
struct sockaddr_vm *vm_addr;
/* Provide the address of the sender. */
vm_addr = (struct sockaddr_vm *)msg->msg_name;
vsock_addr_init(vm_addr, dg->src.context, dg->src.resource);
msg->msg_namelen = sizeof(*vm_addr);
}
err = payload_len;
out:
skb_free_datagram(&vsk->sk, skb);
return err;
} | CWE-20 | 0 |
horizontalDifference8(unsigned char *ip, int n, int stride,
unsigned short *wp, uint16 *From8)
{
register int r1, g1, b1, a1, r2, g2, b2, a2, mask;
#undef CLAMP
#define CLAMP(v) (From8[(v)])
mask = CODE_MASK;
if (n >= stride) {
if (stride == 3) {
r2 = wp[0] = CLAMP(ip[0]); g2 = wp[1] = CLAMP(ip[1]);
b2 = wp[2] = CLAMP(ip[2]);
n -= 3;
while (n > 0) {
n -= 3;
r1 = CLAMP(ip[3]); wp[3] = (uint16)((r1-r2) & mask); r2 = r1;
g1 = CLAMP(ip[4]); wp[4] = (uint16)((g1-g2) & mask); g2 = g1;
b1 = CLAMP(ip[5]); wp[5] = (uint16)((b1-b2) & mask); b2 = b1;
wp += 3;
ip += 3;
}
} else if (stride == 4) {
r2 = wp[0] = CLAMP(ip[0]); g2 = wp[1] = CLAMP(ip[1]);
b2 = wp[2] = CLAMP(ip[2]); a2 = wp[3] = CLAMP(ip[3]);
n -= 4;
while (n > 0) {
n -= 4;
r1 = CLAMP(ip[4]); wp[4] = (uint16)((r1-r2) & mask); r2 = r1;
g1 = CLAMP(ip[5]); wp[5] = (uint16)((g1-g2) & mask); g2 = g1;
b1 = CLAMP(ip[6]); wp[6] = (uint16)((b1-b2) & mask); b2 = b1;
a1 = CLAMP(ip[7]); wp[7] = (uint16)((a1-a2) & mask); a2 = a1;
wp += 4;
ip += 4;
}
} else {
wp += n + stride - 1; /* point to last one */
ip += n + stride - 1; /* point to last one */
n -= stride;
while (n > 0) {
REPEAT(stride, wp[0] = CLAMP(ip[0]);
wp[stride] -= wp[0];
wp[stride] &= mask;
wp--; ip--)
n -= stride;
}
REPEAT(stride, wp[0] = CLAMP(ip[0]); wp--; ip--)
}
}
} | CWE-119 | 26 |
static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddrlen, int peer)
{
struct sockaddr_llc sllc;
struct sock *sk = sock->sk;
struct llc_sock *llc = llc_sk(sk);
int rc = 0;
memset(&sllc, 0, sizeof(sllc));
lock_sock(sk);
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
*uaddrlen = sizeof(sllc);
memset(uaddr, 0, *uaddrlen);
if (peer) {
rc = -ENOTCONN;
if (sk->sk_state != TCP_ESTABLISHED)
goto out;
if(llc->dev)
sllc.sllc_arphrd = llc->dev->type;
sllc.sllc_sap = llc->daddr.lsap;
memcpy(&sllc.sllc_mac, &llc->daddr.mac, IFHWADDRLEN);
} else {
rc = -EINVAL;
if (!llc->sap)
goto out;
sllc.sllc_sap = llc->sap->laddr.lsap;
if (llc->dev) {
sllc.sllc_arphrd = llc->dev->type;
memcpy(&sllc.sllc_mac, llc->dev->dev_addr,
IFHWADDRLEN);
}
}
rc = 0;
sllc.sllc_family = AF_LLC;
memcpy(uaddr, &sllc, sizeof(sllc));
out:
release_sock(sk);
return rc;
} | CWE-200 | 10 |
void __detach_mounts(struct dentry *dentry)
{
struct mountpoint *mp;
struct mount *mnt;
namespace_lock();
mp = lookup_mountpoint(dentry);
if (IS_ERR_OR_NULL(mp))
goto out_unlock;
lock_mount_hash();
while (!hlist_empty(&mp->m_list)) {
mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);
if (mnt->mnt.mnt_flags & MNT_UMOUNT) {
struct mount *p, *tmp;
list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) {
hlist_add_head(&p->mnt_umount.s_list, &unmounted);
umount_mnt(p);
}
}
else umount_tree(mnt, 0);
}
unlock_mount_hash();
put_mountpoint(mp);
out_unlock:
namespace_unlock();
} | CWE-200 | 10 |
static inline int xsave_state_booting(struct xsave_struct *fx, u64 mask)
{
u32 lmask = mask;
u32 hmask = mask >> 32;
int err = 0;
WARN_ON(system_state != SYSTEM_BOOTING);
if (boot_cpu_has(X86_FEATURE_XSAVES))
asm volatile("1:"XSAVES"\n\t"
"2:\n\t"
: : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask)
: "memory");
else
asm volatile("1:"XSAVE"\n\t"
"2:\n\t"
: : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask)
: "memory");
asm volatile(xstate_fault
: "0" (0)
: "memory");
return err;
} | CWE-20 | 0 |
flac_read_loop (SF_PRIVATE *psf, unsigned len)
{ FLAC_PRIVATE* pflac = (FLAC_PRIVATE*) psf->codec_data ;
pflac->pos = 0 ;
pflac->len = len ;
pflac->remain = len ;
/* First copy data that has already been decoded and buffered. */
if (pflac->frame != NULL && pflac->bufferpos < pflac->frame->header.blocksize)
flac_buffer_copy (psf) ;
/* Decode some more. */
while (pflac->pos < pflac->len)
{ if (FLAC__stream_decoder_process_single (pflac->fsd) == 0)
break ;
if (FLAC__stream_decoder_get_state (pflac->fsd) >= FLAC__STREAM_DECODER_END_OF_STREAM)
break ;
} ;
pflac->ptr = NULL ;
return pflac->pos ;
} /* flac_read_loop */ | CWE-119 | 26 |
static void process_blob(struct rev_info *revs,
struct blob *blob,
show_object_fn show,
struct strbuf *path,
const char *name,
void *cb_data)
{
struct object *obj = &blob->object;
if (!revs->blob_objects)
return;
if (!obj)
die("bad blob object");
if (obj->flags & (UNINTERESTING | SEEN))
return;
obj->flags |= SEEN;
show(obj, path, name, cb_data);
} | CWE-119 | 26 |
static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
struct vsock_sock *vsk,
struct msghdr *msg, size_t len,
int flags)
{
int err;
int noblock;
struct vmci_datagram *dg;
size_t payload_len;
struct sk_buff *skb;
noblock = flags & MSG_DONTWAIT;
if (flags & MSG_OOB || flags & MSG_ERRQUEUE)
return -EOPNOTSUPP;
msg->msg_namelen = 0;
/* Retrieve the head sk_buff from the socket's receive queue. */
err = 0;
skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
if (err)
return err;
if (!skb)
return -EAGAIN;
dg = (struct vmci_datagram *)skb->data;
if (!dg)
/* err is 0, meaning we read zero bytes. */
goto out;
payload_len = dg->payload_size;
/* Ensure the sk_buff matches the payload size claimed in the packet. */
if (payload_len != skb->len - sizeof(*dg)) {
err = -EINVAL;
goto out;
}
if (payload_len > len) {
payload_len = len;
msg->msg_flags |= MSG_TRUNC;
}
/* Place the datagram payload in the user's iovec. */
err = skb_copy_datagram_iovec(skb, sizeof(*dg), msg->msg_iov,
payload_len);
if (err)
goto out;
if (msg->msg_name) {
struct sockaddr_vm *vm_addr;
/* Provide the address of the sender. */
vm_addr = (struct sockaddr_vm *)msg->msg_name;
vsock_addr_init(vm_addr, dg->src.context, dg->src.resource);
msg->msg_namelen = sizeof(*vm_addr);
}
err = payload_len;
out:
skb_free_datagram(&vsk->sk, skb);
return err;
} | CWE-20 | 0 |
void cipso_v4_req_delattr(struct request_sock *req)
{
struct ip_options *opt;
struct inet_request_sock *req_inet;
req_inet = inet_rsk(req);
opt = req_inet->opt;
if (opt == NULL || opt->cipso == 0)
return;
cipso_v4_delopt(&req_inet->opt);
} | CWE-362 | 18 |
static inline int xsave_state(struct xsave_struct *fx, u64 mask)
{
u32 lmask = mask;
u32 hmask = mask >> 32;
int err = 0;
/*
* If xsaves is enabled, xsaves replaces xsaveopt because
* it supports compact format and supervisor states in addition to
* modified optimization in xsaveopt.
*
* Otherwise, if xsaveopt is enabled, xsaveopt replaces xsave
* because xsaveopt supports modified optimization which is not
* supported by xsave.
*
* If none of xsaves and xsaveopt is enabled, use xsave.
*/
alternative_input_2(
"1:"XSAVE,
"1:"XSAVEOPT,
X86_FEATURE_XSAVEOPT,
"1:"XSAVES,
X86_FEATURE_XSAVES,
[fx] "D" (fx), "a" (lmask), "d" (hmask) :
"memory");
asm volatile("2:\n\t"
xstate_fault
: "0" (0)
: "memory");
return err;
} | CWE-20 | 0 |
static void mark_commit(struct commit *c, void *data)
{
mark_object(&c->object, NULL, NULL, data);
} | CWE-119 | 26 |
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