idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
24,600 | void __exit sco_exit(void)
{
bt_procfs_cleanup(&init_net, "sco");
debugfs_remove(sco_debugfs);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
BT_ERR("SCO socket unregistration failed");
proto_unregister(&sco_proto);
}
| +Info | 0 | void __exit sco_exit(void)
{
bt_procfs_cleanup(&init_net, "sco");
debugfs_remove(sco_debugfs);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
BT_ERR("SCO socket unregistration failed");
proto_unregister(&sco_proto);
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,601 | int __init sco_init(void)
{
int err;
err = proto_register(&sco_proto, 0);
if (err < 0)
return err;
err = bt_sock_register(BTPROTO_SCO, &sco_sock_family_ops);
if (err < 0) {
BT_ERR("SCO socket registration failed");
goto error;
}
err = bt_procfs_init(THIS_MODULE, &init_net, "sco", &sco_sk_list, NULL);
if (err < 0) {
BT_ERR("Failed to create SCO proc file");
bt_sock_unregister(BTPROTO_SCO);
goto error;
}
if (bt_debugfs) {
sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs,
NULL, &sco_debugfs_fops);
if (!sco_debugfs)
BT_ERR("Failed to create SCO debug file");
}
BT_INFO("SCO socket layer initialized");
return 0;
error:
proto_unregister(&sco_proto);
return err;
}
| +Info | 0 | int __init sco_init(void)
{
int err;
err = proto_register(&sco_proto, 0);
if (err < 0)
return err;
err = bt_sock_register(BTPROTO_SCO, &sco_sock_family_ops);
if (err < 0) {
BT_ERR("SCO socket registration failed");
goto error;
}
err = bt_procfs_init(THIS_MODULE, &init_net, "sco", &sco_sk_list, NULL);
if (err < 0) {
BT_ERR("Failed to create SCO proc file");
bt_sock_unregister(BTPROTO_SCO);
goto error;
}
if (bt_debugfs) {
sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs,
NULL, &sco_debugfs_fops);
if (!sco_debugfs)
BT_ERR("Failed to create SCO debug file");
}
BT_INFO("SCO socket layer initialized");
return 0;
error:
proto_unregister(&sco_proto);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,602 | static void sco_recv_frame(struct sco_conn *conn, struct sk_buff *skb)
{
struct sock *sk = sco_chan_get(conn);
if (!sk)
goto drop;
BT_DBG("sk %p len %d", sk, skb->len);
if (sk->sk_state != BT_CONNECTED)
goto drop;
if (!sock_queue_rcv_skb(sk, skb))
return;
drop:
kfree_skb(skb);
}
| +Info | 0 | static void sco_recv_frame(struct sco_conn *conn, struct sk_buff *skb)
{
struct sock *sk = sco_chan_get(conn);
if (!sk)
goto drop;
BT_DBG("sk %p len %d", sk, skb->len);
if (sk->sk_state != BT_CONNECTED)
goto drop;
if (!sock_queue_rcv_skb(sk, skb))
return;
drop:
kfree_skb(skb);
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,603 | static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len)
{
struct sco_conn *conn = sco_pi(sk)->conn;
struct sk_buff *skb;
int err;
/* Check outgoing MTU */
if (len > conn->mtu)
return -EINVAL;
BT_DBG("sk %p len %d", sk, len);
skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
return err;
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
kfree_skb(skb);
return -EFAULT;
}
hci_send_sco(conn->hcon, skb);
return len;
}
| +Info | 0 | static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len)
{
struct sco_conn *conn = sco_pi(sk)->conn;
struct sk_buff *skb;
int err;
/* Check outgoing MTU */
if (len > conn->mtu)
return -EINVAL;
BT_DBG("sk %p len %d", sk, len);
skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
return err;
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
kfree_skb(skb);
return -EFAULT;
}
hci_send_sco(conn->hcon, skb);
return len;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,604 | static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flags)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *ch;
long timeo;
int err = 0;
lock_sock(sk);
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
break;
}
ch = bt_accept_dequeue(sk, newsock);
if (ch)
break;
if (!timeo) {
err = -EAGAIN;
break;
}
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
newsock->state = SS_CONNECTED;
BT_DBG("new socket %p", ch);
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flags)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *ch;
long timeo;
int err = 0;
lock_sock(sk);
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
break;
}
ch = bt_accept_dequeue(sk, newsock);
if (ch)
break;
if (!timeo) {
err = -EAGAIN;
break;
}
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
newsock->state = SS_CONNECTED;
BT_DBG("new socket %p", ch);
done:
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,605 | static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EINVAL;
goto done;
}
bacpy(&bt_sk(sk)->src, &sa->sco_bdaddr);
sk->sk_state = BT_BOUND;
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EINVAL;
goto done;
}
bacpy(&bt_sk(sk)->src, &sa->sco_bdaddr);
sk->sk_state = BT_BOUND;
done:
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,606 | static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p", sk);
if (alen < sizeof(struct sockaddr_sco) ||
addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND)
return -EBADFD;
if (sk->sk_type != SOCK_SEQPACKET)
return -EINVAL;
lock_sock(sk);
/* Set destination address and psm */
bacpy(&bt_sk(sk)->dst, &sa->sco_bdaddr);
err = sco_connect(sk);
if (err)
goto done;
err = bt_sock_wait_state(sk, BT_CONNECTED,
sock_sndtimeo(sk, flags & O_NONBLOCK));
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p", sk);
if (alen < sizeof(struct sockaddr_sco) ||
addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND)
return -EBADFD;
if (sk->sk_type != SOCK_SEQPACKET)
return -EINVAL;
lock_sock(sk);
/* Set destination address and psm */
bacpy(&bt_sk(sk)->dst, &sa->sco_bdaddr);
err = sco_connect(sk);
if (err)
goto done;
err = bt_sock_wait_state(sk, BT_CONNECTED,
sock_sndtimeo(sk, flags & O_NONBLOCK));
done:
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,607 | static int sco_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct sco_options opts;
struct sco_conninfo cinfo;
int len, err = 0;
BT_DBG("sk %p", sk);
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case SCO_OPTIONS:
if (sk->sk_state != BT_CONNECTED) {
err = -ENOTCONN;
break;
}
opts.mtu = sco_pi(sk)->conn->mtu;
BT_DBG("mtu %d", opts.mtu);
len = min_t(unsigned int, len, sizeof(opts));
if (copy_to_user(optval, (char *)&opts, len))
err = -EFAULT;
break;
case SCO_CONNINFO:
if (sk->sk_state != BT_CONNECTED) {
err = -ENOTCONN;
break;
}
memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = sco_pi(sk)->conn->hcon->handle;
memcpy(cinfo.dev_class, sco_pi(sk)->conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *)&cinfo, len))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct sco_options opts;
struct sco_conninfo cinfo;
int len, err = 0;
BT_DBG("sk %p", sk);
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case SCO_OPTIONS:
if (sk->sk_state != BT_CONNECTED) {
err = -ENOTCONN;
break;
}
opts.mtu = sco_pi(sk)->conn->mtu;
BT_DBG("mtu %d", opts.mtu);
len = min_t(unsigned int, len, sizeof(opts));
if (copy_to_user(optval, (char *)&opts, len))
err = -EFAULT;
break;
case SCO_CONNINFO:
if (sk->sk_state != BT_CONNECTED) {
err = -ENOTCONN;
break;
}
memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = sco_pi(sk)->conn->hcon->handle;
memcpy(cinfo.dev_class, sco_pi(sk)->conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *)&cinfo, len))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,608 | static int sco_sock_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
bdaddr_t *src = &bt_sk(sk)->src;
int err = 0;
BT_DBG("sk %p backlog %d", sk, backlog);
lock_sock(sk);
if (sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EINVAL;
goto done;
}
write_lock(&sco_sk_list.lock);
if (__sco_get_sock_listen_by_addr(src)) {
err = -EADDRINUSE;
goto unlock;
}
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
sk->sk_state = BT_LISTEN;
unlock:
write_unlock(&sco_sk_list.lock);
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
bdaddr_t *src = &bt_sk(sk)->src;
int err = 0;
BT_DBG("sk %p backlog %d", sk, backlog);
lock_sock(sk);
if (sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EINVAL;
goto done;
}
write_lock(&sco_sk_list.lock);
if (__sco_get_sock_listen_by_addr(src)) {
err = -EADDRINUSE;
goto unlock;
}
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
sk->sk_state = BT_LISTEN;
unlock:
write_unlock(&sco_sk_list.lock);
done:
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,609 | static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0;
u32 opt;
BT_DBG("sk %p", sk);
lock_sock(sk);
switch (optname) {
case BT_DEFER_SETUP:
if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
err = -EINVAL;
break;
}
if (get_user(opt, (u32 __user *) optval)) {
err = -EFAULT;
break;
}
if (opt)
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
else
clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0;
u32 opt;
BT_DBG("sk %p", sk);
lock_sock(sk);
switch (optname) {
case BT_DEFER_SETUP:
if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
err = -EINVAL;
break;
}
if (get_user(opt, (u32 __user *) optval)) {
err = -EFAULT;
break;
}
if (opt)
set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
else
clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,610 | static int sco_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
lock_sock(sk);
if (!sk->sk_shutdown) {
sk->sk_shutdown = SHUTDOWN_MASK;
sco_sock_clear_timer(sk);
__sco_sock_close(sk);
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED,
sk->sk_lingertime);
}
release_sock(sk);
return err;
}
| +Info | 0 | static int sco_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
lock_sock(sk);
if (!sk->sk_shutdown) {
sk->sk_shutdown = SHUTDOWN_MASK;
sco_sock_clear_timer(sk);
__sco_sock_close(sk);
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED,
sk->sk_lingertime);
}
release_sock(sk);
return err;
}
| @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
hci_conn_accept(pi->conn->hcon, 0);
sk->sk_state = BT_CONFIG;
+ msg->msg_namelen = 0;
release_sock(sk);
return 0; | CWE-200 | null | null |
24,611 | static void __rfcomm_sock_close(struct sock *sk)
{
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
switch (sk->sk_state) {
case BT_LISTEN:
rfcomm_sock_cleanup_listen(sk);
break;
case BT_CONNECT:
case BT_CONNECT2:
case BT_CONFIG:
case BT_CONNECTED:
rfcomm_dlc_close(d, 0);
default:
sock_set_flag(sk, SOCK_ZAPPED);
break;
}
}
| +Info | 0 | static void __rfcomm_sock_close(struct sock *sk)
{
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
switch (sk->sk_state) {
case BT_LISTEN:
rfcomm_sock_cleanup_listen(sk);
break;
case BT_CONNECT:
case BT_CONNECT2:
case BT_CONFIG:
case BT_CONNECTED:
rfcomm_dlc_close(d, 0);
default:
sock_set_flag(sk, SOCK_ZAPPED);
break;
}
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,612 | void __exit rfcomm_cleanup_sockets(void)
{
bt_procfs_cleanup(&init_net, "rfcomm");
debugfs_remove(rfcomm_sock_debugfs);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
BT_ERR("RFCOMM socket layer unregistration failed");
proto_unregister(&rfcomm_proto);
}
| +Info | 0 | void __exit rfcomm_cleanup_sockets(void)
{
bt_procfs_cleanup(&init_net, "rfcomm");
debugfs_remove(rfcomm_sock_debugfs);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
BT_ERR("RFCOMM socket layer unregistration failed");
proto_unregister(&rfcomm_proto);
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,613 | static struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
read_lock(&rfcomm_sk_list.lock);
sk_for_each(sk, &rfcomm_sk_list.head) {
if (state && sk->sk_state != state)
continue;
if (rfcomm_pi(sk)->channel == channel) {
/* Exact match. */
if (!bacmp(&bt_sk(sk)->src, src))
break;
/* Closest match */
if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY))
sk1 = sk;
}
}
read_unlock(&rfcomm_sk_list.lock);
return sk ? sk : sk1;
}
| +Info | 0 | static struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
read_lock(&rfcomm_sk_list.lock);
sk_for_each(sk, &rfcomm_sk_list.head) {
if (state && sk->sk_state != state)
continue;
if (rfcomm_pi(sk)->channel == channel) {
/* Exact match. */
if (!bacmp(&bt_sk(sk)->src, src))
break;
/* Closest match */
if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY))
sk1 = sk;
}
}
read_unlock(&rfcomm_sk_list.lock);
return sk ? sk : sk1;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,614 | int __init rfcomm_init_sockets(void)
{
int err;
err = proto_register(&rfcomm_proto, 0);
if (err < 0)
return err;
err = bt_sock_register(BTPROTO_RFCOMM, &rfcomm_sock_family_ops);
if (err < 0) {
BT_ERR("RFCOMM socket layer registration failed");
goto error;
}
err = bt_procfs_init(THIS_MODULE, &init_net, "rfcomm", &rfcomm_sk_list, NULL);
if (err < 0) {
BT_ERR("Failed to create RFCOMM proc file");
bt_sock_unregister(BTPROTO_RFCOMM);
goto error;
}
if (bt_debugfs) {
rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
if (!rfcomm_sock_debugfs)
BT_ERR("Failed to create RFCOMM debug file");
}
BT_INFO("RFCOMM socket layer initialized");
return 0;
error:
proto_unregister(&rfcomm_proto);
return err;
}
| +Info | 0 | int __init rfcomm_init_sockets(void)
{
int err;
err = proto_register(&rfcomm_proto, 0);
if (err < 0)
return err;
err = bt_sock_register(BTPROTO_RFCOMM, &rfcomm_sock_family_ops);
if (err < 0) {
BT_ERR("RFCOMM socket layer registration failed");
goto error;
}
err = bt_procfs_init(THIS_MODULE, &init_net, "rfcomm", &rfcomm_sk_list, NULL);
if (err < 0) {
BT_ERR("Failed to create RFCOMM proc file");
bt_sock_unregister(BTPROTO_RFCOMM);
goto error;
}
if (bt_debugfs) {
rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
if (!rfcomm_sock_debugfs)
BT_ERR("Failed to create RFCOMM debug file");
}
BT_INFO("RFCOMM socket layer initialized");
return 0;
error:
proto_unregister(&rfcomm_proto);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,615 | static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err)
{
struct sock *sk = d->owner, *parent;
unsigned long flags;
if (!sk)
return;
BT_DBG("dlc %p state %ld err %d", d, d->state, err);
local_irq_save(flags);
bh_lock_sock(sk);
if (err)
sk->sk_err = err;
sk->sk_state = d->state;
parent = bt_sk(sk)->parent;
if (parent) {
if (d->state == BT_CLOSED) {
sock_set_flag(sk, SOCK_ZAPPED);
bt_accept_unlink(sk);
}
parent->sk_data_ready(parent, 0);
} else {
if (d->state == BT_CONNECTED)
rfcomm_session_getaddr(d->session, &bt_sk(sk)->src, NULL);
sk->sk_state_change(sk);
}
bh_unlock_sock(sk);
local_irq_restore(flags);
if (parent && sock_flag(sk, SOCK_ZAPPED)) {
/* We have to drop DLC lock here, otherwise
* rfcomm_sock_destruct() will dead lock. */
rfcomm_dlc_unlock(d);
rfcomm_sock_kill(sk);
rfcomm_dlc_lock(d);
}
}
| +Info | 0 | static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err)
{
struct sock *sk = d->owner, *parent;
unsigned long flags;
if (!sk)
return;
BT_DBG("dlc %p state %ld err %d", d, d->state, err);
local_irq_save(flags);
bh_lock_sock(sk);
if (err)
sk->sk_err = err;
sk->sk_state = d->state;
parent = bt_sk(sk)->parent;
if (parent) {
if (d->state == BT_CLOSED) {
sock_set_flag(sk, SOCK_ZAPPED);
bt_accept_unlink(sk);
}
parent->sk_data_ready(parent, 0);
} else {
if (d->state == BT_CONNECTED)
rfcomm_session_getaddr(d->session, &bt_sk(sk)->src, NULL);
sk->sk_state_change(sk);
}
bh_unlock_sock(sk);
local_irq_restore(flags);
if (parent && sock_flag(sk, SOCK_ZAPPED)) {
/* We have to drop DLC lock here, otherwise
* rfcomm_sock_destruct() will dead lock. */
rfcomm_dlc_unlock(d);
rfcomm_sock_kill(sk);
rfcomm_dlc_lock(d);
}
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,616 | static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *nsk;
long timeo;
int err = 0;
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
break;
}
nsk = bt_accept_dequeue(sk, newsock);
if (nsk)
break;
if (!timeo) {
err = -EAGAIN;
break;
}
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
newsock->state = SS_CONNECTED;
BT_DBG("new socket %p", nsk);
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *nsk;
long timeo;
int err = 0;
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
if (sk->sk_state != BT_LISTEN) {
err = -EBADFD;
break;
}
nsk = bt_accept_dequeue(sk, newsock);
if (nsk)
break;
if (!timeo) {
err = -EAGAIN;
break;
}
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
newsock->state = SS_CONNECTED;
BT_DBG("new socket %p", nsk);
done:
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,617 | static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
{
struct rfcomm_dlc *d;
struct sock *sk;
sk = sk_alloc(net, PF_BLUETOOTH, prio, &rfcomm_proto);
if (!sk)
return NULL;
sock_init_data(sock, sk);
INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
d = rfcomm_dlc_alloc(prio);
if (!d) {
sk_free(sk);
return NULL;
}
d->data_ready = rfcomm_sk_data_ready;
d->state_change = rfcomm_sk_state_change;
rfcomm_pi(sk)->dlc = d;
d->owner = sk;
sk->sk_destruct = rfcomm_sock_destruct;
sk->sk_sndtimeo = RFCOMM_CONN_TIMEOUT;
sk->sk_sndbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
sk->sk_rcvbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
sock_reset_flag(sk, SOCK_ZAPPED);
sk->sk_protocol = proto;
sk->sk_state = BT_OPEN;
bt_sock_link(&rfcomm_sk_list, sk);
BT_DBG("sk %p", sk);
return sk;
}
| +Info | 0 | static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
{
struct rfcomm_dlc *d;
struct sock *sk;
sk = sk_alloc(net, PF_BLUETOOTH, prio, &rfcomm_proto);
if (!sk)
return NULL;
sock_init_data(sock, sk);
INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
d = rfcomm_dlc_alloc(prio);
if (!d) {
sk_free(sk);
return NULL;
}
d->data_ready = rfcomm_sk_data_ready;
d->state_change = rfcomm_sk_state_change;
rfcomm_pi(sk)->dlc = d;
d->owner = sk;
sk->sk_destruct = rfcomm_sock_destruct;
sk->sk_sndtimeo = RFCOMM_CONN_TIMEOUT;
sk->sk_sndbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
sk->sk_rcvbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
sock_reset_flag(sk, SOCK_ZAPPED);
sk->sk_protocol = proto;
sk->sk_state = BT_OPEN;
bt_sock_link(&rfcomm_sk_list, sk);
BT_DBG("sk %p", sk);
return sk;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,618 | static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p %pMR", sk, &sa->rc_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
write_lock(&rfcomm_sk_list.lock);
if (sa->rc_channel && __rfcomm_get_sock_by_addr(sa->rc_channel, &sa->rc_bdaddr)) {
err = -EADDRINUSE;
} else {
/* Save source address */
bacpy(&bt_sk(sk)->src, &sa->rc_bdaddr);
rfcomm_pi(sk)->channel = sa->rc_channel;
sk->sk_state = BT_BOUND;
}
write_unlock(&rfcomm_sk_list.lock);
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p %pMR", sk, &sa->rc_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
write_lock(&rfcomm_sk_list.lock);
if (sa->rc_channel && __rfcomm_get_sock_by_addr(sa->rc_channel, &sa->rc_bdaddr)) {
err = -EADDRINUSE;
} else {
/* Save source address */
bacpy(&bt_sk(sk)->src, &sa->rc_bdaddr);
rfcomm_pi(sk)->channel = sa->rc_channel;
sk->sk_state = BT_BOUND;
}
write_unlock(&rfcomm_sk_list.lock);
done:
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,619 | static void rfcomm_sock_cleanup_listen(struct sock *parent)
{
struct sock *sk;
BT_DBG("parent %p", parent);
/* Close not yet accepted dlcs */
while ((sk = bt_accept_dequeue(parent, NULL))) {
rfcomm_sock_close(sk);
rfcomm_sock_kill(sk);
}
parent->sk_state = BT_CLOSED;
sock_set_flag(parent, SOCK_ZAPPED);
}
| +Info | 0 | static void rfcomm_sock_cleanup_listen(struct sock *parent)
{
struct sock *sk;
BT_DBG("parent %p", parent);
/* Close not yet accepted dlcs */
while ((sk = bt_accept_dequeue(parent, NULL))) {
rfcomm_sock_close(sk);
rfcomm_sock_kill(sk);
}
parent->sk_state = BT_CLOSED;
sock_set_flag(parent, SOCK_ZAPPED);
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,620 | static void rfcomm_sock_close(struct sock *sk)
{
lock_sock(sk);
__rfcomm_sock_close(sk);
release_sock(sk);
}
| +Info | 0 | static void rfcomm_sock_close(struct sock *sk)
{
lock_sock(sk);
__rfcomm_sock_close(sk);
release_sock(sk);
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,621 | static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
int err = 0;
BT_DBG("sk %p", sk);
if (alen < sizeof(struct sockaddr_rc) ||
addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
sk->sk_state = BT_CONNECT;
bacpy(&bt_sk(sk)->dst, &sa->rc_bdaddr);
rfcomm_pi(sk)->channel = sa->rc_channel;
d->sec_level = rfcomm_pi(sk)->sec_level;
d->role_switch = rfcomm_pi(sk)->role_switch;
err = rfcomm_dlc_open(d, &bt_sk(sk)->src, &sa->rc_bdaddr, sa->rc_channel);
if (!err)
err = bt_sock_wait_state(sk, BT_CONNECTED,
sock_sndtimeo(sk, flags & O_NONBLOCK));
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
int err = 0;
BT_DBG("sk %p", sk);
if (alen < sizeof(struct sockaddr_rc) ||
addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
lock_sock(sk);
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
sk->sk_state = BT_CONNECT;
bacpy(&bt_sk(sk)->dst, &sa->rc_bdaddr);
rfcomm_pi(sk)->channel = sa->rc_channel;
d->sec_level = rfcomm_pi(sk)->sec_level;
d->role_switch = rfcomm_pi(sk)->role_switch;
err = rfcomm_dlc_open(d, &bt_sk(sk)->src, &sa->rc_bdaddr, sa->rc_channel);
if (!err)
err = bt_sock_wait_state(sk, BT_CONNECTED,
sock_sndtimeo(sk, flags & O_NONBLOCK));
done:
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,622 | static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
{
return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
}
| +Info | 0 | static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
{
return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,623 | static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int *len, int peer)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
BT_DBG("sock %p, sk %p", sock, sk);
memset(sa, 0, sizeof(*sa));
sa->rc_family = AF_BLUETOOTH;
sa->rc_channel = rfcomm_pi(sk)->channel;
if (peer)
bacpy(&sa->rc_bdaddr, &bt_sk(sk)->dst);
else
bacpy(&sa->rc_bdaddr, &bt_sk(sk)->src);
*len = sizeof(struct sockaddr_rc);
return 0;
}
| +Info | 0 | static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int *len, int peer)
{
struct sockaddr_rc *sa = (struct sockaddr_rc *) addr;
struct sock *sk = sock->sk;
BT_DBG("sock %p, sk %p", sock, sk);
memset(sa, 0, sizeof(*sa));
sa->rc_family = AF_BLUETOOTH;
sa->rc_channel = rfcomm_pi(sk)->channel;
if (peer)
bacpy(&sa->rc_bdaddr, &bt_sk(sk)->dst);
else
bacpy(&sa->rc_bdaddr, &bt_sk(sk)->src);
*len = sizeof(struct sockaddr_rc);
return 0;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,624 | static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct bt_security sec;
int len, err = 0;
BT_DBG("sk %p", sk);
if (level == SOL_RFCOMM)
return rfcomm_sock_getsockopt_old(sock, optname, optval, optlen);
if (level != SOL_BLUETOOTH)
return -ENOPROTOOPT;
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case BT_SECURITY:
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
break;
}
sec.level = rfcomm_pi(sk)->sec_level;
sec.key_size = 0;
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
err = -EFAULT;
break;
case BT_DEFER_SETUP:
if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
err = -EINVAL;
break;
}
if (put_user(test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags),
(u32 __user *) optval))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct bt_security sec;
int len, err = 0;
BT_DBG("sk %p", sk);
if (level == SOL_RFCOMM)
return rfcomm_sock_getsockopt_old(sock, optname, optval, optlen);
if (level != SOL_BLUETOOTH)
return -ENOPROTOOPT;
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case BT_SECURITY:
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
break;
}
sec.level = rfcomm_pi(sk)->sec_level;
sec.key_size = 0;
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
err = -EFAULT;
break;
case BT_DEFER_SETUP:
if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
err = -EINVAL;
break;
}
if (put_user(test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags),
(u32 __user *) optval))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,625 | static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct rfcomm_conninfo cinfo;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
int len, err = 0;
u32 opt;
BT_DBG("sk %p", sk);
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case RFCOMM_LM:
switch (rfcomm_pi(sk)->sec_level) {
case BT_SECURITY_LOW:
opt = RFCOMM_LM_AUTH;
break;
case BT_SECURITY_MEDIUM:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT;
break;
case BT_SECURITY_HIGH:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT |
RFCOMM_LM_SECURE;
break;
default:
opt = 0;
break;
}
if (rfcomm_pi(sk)->role_switch)
opt |= RFCOMM_LM_MASTER;
if (put_user(opt, (u32 __user *) optval))
err = -EFAULT;
break;
case RFCOMM_CONNINFO:
if (sk->sk_state != BT_CONNECTED &&
!rfcomm_pi(sk)->dlc->defer_setup) {
err = -ENOTCONN;
break;
}
memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = conn->hcon->handle;
memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *) &cinfo, len))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct rfcomm_conninfo cinfo;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
int len, err = 0;
u32 opt;
BT_DBG("sk %p", sk);
if (get_user(len, optlen))
return -EFAULT;
lock_sock(sk);
switch (optname) {
case RFCOMM_LM:
switch (rfcomm_pi(sk)->sec_level) {
case BT_SECURITY_LOW:
opt = RFCOMM_LM_AUTH;
break;
case BT_SECURITY_MEDIUM:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT;
break;
case BT_SECURITY_HIGH:
opt = RFCOMM_LM_AUTH | RFCOMM_LM_ENCRYPT |
RFCOMM_LM_SECURE;
break;
default:
opt = 0;
break;
}
if (rfcomm_pi(sk)->role_switch)
opt |= RFCOMM_LM_MASTER;
if (put_user(opt, (u32 __user *) optval))
err = -EFAULT;
break;
case RFCOMM_CONNINFO:
if (sk->sk_state != BT_CONNECTED &&
!rfcomm_pi(sk)->dlc->defer_setup) {
err = -ENOTCONN;
break;
}
memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = conn->hcon->handle;
memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *) &cinfo, len))
err = -EFAULT;
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,626 | static void rfcomm_sock_init(struct sock *sk, struct sock *parent)
{
struct rfcomm_pinfo *pi = rfcomm_pi(sk);
BT_DBG("sk %p", sk);
if (parent) {
sk->sk_type = parent->sk_type;
pi->dlc->defer_setup = test_bit(BT_SK_DEFER_SETUP,
&bt_sk(parent)->flags);
pi->sec_level = rfcomm_pi(parent)->sec_level;
pi->role_switch = rfcomm_pi(parent)->role_switch;
security_sk_clone(parent, sk);
} else {
pi->dlc->defer_setup = 0;
pi->sec_level = BT_SECURITY_LOW;
pi->role_switch = 0;
}
pi->dlc->sec_level = pi->sec_level;
pi->dlc->role_switch = pi->role_switch;
}
| +Info | 0 | static void rfcomm_sock_init(struct sock *sk, struct sock *parent)
{
struct rfcomm_pinfo *pi = rfcomm_pi(sk);
BT_DBG("sk %p", sk);
if (parent) {
sk->sk_type = parent->sk_type;
pi->dlc->defer_setup = test_bit(BT_SK_DEFER_SETUP,
&bt_sk(parent)->flags);
pi->sec_level = rfcomm_pi(parent)->sec_level;
pi->role_switch = rfcomm_pi(parent)->role_switch;
security_sk_clone(parent, sk);
} else {
pi->dlc->defer_setup = 0;
pi->sec_level = BT_SECURITY_LOW;
pi->role_switch = 0;
}
pi->dlc->sec_level = pi->sec_level;
pi->dlc->role_switch = pi->role_switch;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,627 | static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk __maybe_unused = sock->sk;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
err = bt_sock_ioctl(sock, cmd, arg);
if (err == -ENOIOCTLCMD) {
#ifdef CONFIG_BT_RFCOMM_TTY
lock_sock(sk);
err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg);
release_sock(sk);
#else
err = -EOPNOTSUPP;
#endif
}
return err;
}
| +Info | 0 | static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk __maybe_unused = sock->sk;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
err = bt_sock_ioctl(sock, cmd, arg);
if (err == -ENOIOCTLCMD) {
#ifdef CONFIG_BT_RFCOMM_TTY
lock_sock(sk);
err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg);
release_sock(sk);
#else
err = -EOPNOTSUPP;
#endif
}
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,628 | static void rfcomm_sock_kill(struct sock *sk)
{
if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
return;
BT_DBG("sk %p state %d refcnt %d", sk, sk->sk_state, atomic_read(&sk->sk_refcnt));
/* Kill poor orphan */
bt_sock_unlink(&rfcomm_sk_list, sk);
sock_set_flag(sk, SOCK_DEAD);
sock_put(sk);
}
| +Info | 0 | static void rfcomm_sock_kill(struct sock *sk)
{
if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
return;
BT_DBG("sk %p state %d refcnt %d", sk, sk->sk_state, atomic_read(&sk->sk_refcnt));
/* Kill poor orphan */
bt_sock_unlink(&rfcomm_sk_list, sk);
sock_set_flag(sk, SOCK_DEAD);
sock_put(sk);
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,629 | static int rfcomm_sock_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p backlog %d", sk, backlog);
lock_sock(sk);
if (sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
if (!rfcomm_pi(sk)->channel) {
bdaddr_t *src = &bt_sk(sk)->src;
u8 channel;
err = -EINVAL;
write_lock(&rfcomm_sk_list.lock);
for (channel = 1; channel < 31; channel++)
if (!__rfcomm_get_sock_by_addr(channel, src)) {
rfcomm_pi(sk)->channel = channel;
err = 0;
break;
}
write_unlock(&rfcomm_sk_list.lock);
if (err < 0)
goto done;
}
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
sk->sk_state = BT_LISTEN;
done:
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sk %p backlog %d", sk, backlog);
lock_sock(sk);
if (sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
}
if (!rfcomm_pi(sk)->channel) {
bdaddr_t *src = &bt_sk(sk)->src;
u8 channel;
err = -EINVAL;
write_lock(&rfcomm_sk_list.lock);
for (channel = 1; channel < 31; channel++)
if (!__rfcomm_get_sock_by_addr(channel, src)) {
rfcomm_pi(sk)->channel = channel;
err = 0;
break;
}
write_unlock(&rfcomm_sk_list.lock);
if (err < 0)
goto done;
}
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
sk->sk_state = BT_LISTEN;
done:
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,630 | static int rfcomm_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
int err;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
err = rfcomm_sock_shutdown(sock, 2);
sock_orphan(sk);
rfcomm_sock_kill(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
int err;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
err = rfcomm_sock_shutdown(sock, 2);
sock_orphan(sk);
rfcomm_sock_kill(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,631 | static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
struct sk_buff *skb;
int sent = 0;
if (test_bit(RFCOMM_DEFER_SETUP, &d->flags))
return -ENOTCONN;
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
if (sk->sk_shutdown & SEND_SHUTDOWN)
return -EPIPE;
BT_DBG("sock %p, sk %p", sock, sk);
lock_sock(sk);
while (len) {
size_t size = min_t(size_t, len, d->mtu);
int err;
skb = sock_alloc_send_skb(sk, size + RFCOMM_SKB_RESERVE,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb) {
if (sent == 0)
sent = err;
break;
}
skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE);
err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
if (err) {
kfree_skb(skb);
if (sent == 0)
sent = err;
break;
}
skb->priority = sk->sk_priority;
err = rfcomm_dlc_send(d, skb);
if (err < 0) {
kfree_skb(skb);
if (sent == 0)
sent = err;
break;
}
sent += size;
len -= size;
}
release_sock(sk);
return sent;
}
| +Info | 0 | static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
struct sk_buff *skb;
int sent = 0;
if (test_bit(RFCOMM_DEFER_SETUP, &d->flags))
return -ENOTCONN;
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
if (sk->sk_shutdown & SEND_SHUTDOWN)
return -EPIPE;
BT_DBG("sock %p, sk %p", sock, sk);
lock_sock(sk);
while (len) {
size_t size = min_t(size_t, len, d->mtu);
int err;
skb = sock_alloc_send_skb(sk, size + RFCOMM_SKB_RESERVE,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb) {
if (sent == 0)
sent = err;
break;
}
skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE);
err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
if (err) {
kfree_skb(skb);
if (sent == 0)
sent = err;
break;
}
skb->priority = sk->sk_priority;
err = rfcomm_dlc_send(d, skb);
if (err < 0) {
kfree_skb(skb);
if (sent == 0)
sent = err;
break;
}
sent += size;
len -= size;
}
release_sock(sk);
return sent;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,632 | static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0;
u32 opt;
BT_DBG("sk %p", sk);
lock_sock(sk);
switch (optname) {
case RFCOMM_LM:
if (get_user(opt, (u32 __user *) optval)) {
err = -EFAULT;
break;
}
if (opt & RFCOMM_LM_AUTH)
rfcomm_pi(sk)->sec_level = BT_SECURITY_LOW;
if (opt & RFCOMM_LM_ENCRYPT)
rfcomm_pi(sk)->sec_level = BT_SECURITY_MEDIUM;
if (opt & RFCOMM_LM_SECURE)
rfcomm_pi(sk)->sec_level = BT_SECURITY_HIGH;
rfcomm_pi(sk)->role_switch = (opt & RFCOMM_LM_MASTER);
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0;
u32 opt;
BT_DBG("sk %p", sk);
lock_sock(sk);
switch (optname) {
case RFCOMM_LM:
if (get_user(opt, (u32 __user *) optval)) {
err = -EFAULT;
break;
}
if (opt & RFCOMM_LM_AUTH)
rfcomm_pi(sk)->sec_level = BT_SECURITY_LOW;
if (opt & RFCOMM_LM_ENCRYPT)
rfcomm_pi(sk)->sec_level = BT_SECURITY_MEDIUM;
if (opt & RFCOMM_LM_SECURE)
rfcomm_pi(sk)->sec_level = BT_SECURITY_HIGH;
rfcomm_pi(sk)->role_switch = (opt & RFCOMM_LM_MASTER);
break;
default:
err = -ENOPROTOOPT;
break;
}
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,633 | static int rfcomm_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
lock_sock(sk);
if (!sk->sk_shutdown) {
sk->sk_shutdown = SHUTDOWN_MASK;
__rfcomm_sock_close(sk);
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED, sk->sk_lingertime);
}
release_sock(sk);
return err;
}
| +Info | 0 | static int rfcomm_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
if (!sk)
return 0;
lock_sock(sk);
if (!sk->sk_shutdown) {
sk->sk_shutdown = SHUTDOWN_MASK;
__rfcomm_sock_close(sk);
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED, sk->sk_lingertime);
}
release_sock(sk);
return err;
}
| @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
+ msg->msg_namelen = 0;
return 0;
}
| CWE-200 | null | null |
24,634 | struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock)
{
struct list_head *p, *n;
struct sock *sk;
BT_DBG("parent %p", parent);
list_for_each_safe(p, n, &bt_sk(parent)->accept_q) {
sk = (struct sock *) list_entry(p, struct bt_sock, accept_q);
lock_sock(sk);
/* FIXME: Is this check still needed */
if (sk->sk_state == BT_CLOSED) {
release_sock(sk);
bt_accept_unlink(sk);
continue;
}
if (sk->sk_state == BT_CONNECTED || !newsock ||
test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) {
bt_accept_unlink(sk);
if (newsock)
sock_graft(sk, newsock);
release_sock(sk);
return sk;
}
release_sock(sk);
}
return NULL;
}
| +Info | 0 | struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock)
{
struct list_head *p, *n;
struct sock *sk;
BT_DBG("parent %p", parent);
list_for_each_safe(p, n, &bt_sk(parent)->accept_q) {
sk = (struct sock *) list_entry(p, struct bt_sock, accept_q);
lock_sock(sk);
/* FIXME: Is this check still needed */
if (sk->sk_state == BT_CLOSED) {
release_sock(sk);
bt_accept_unlink(sk);
continue;
}
if (sk->sk_state == BT_CONNECTED || !newsock ||
test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) {
bt_accept_unlink(sk);
if (newsock)
sock_graft(sk, newsock);
release_sock(sk);
return sk;
}
release_sock(sk);
}
return NULL;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,635 | static inline unsigned int bt_accept_poll(struct sock *parent)
{
struct list_head *p, *n;
struct sock *sk;
list_for_each_safe(p, n, &bt_sk(parent)->accept_q) {
sk = (struct sock *) list_entry(p, struct bt_sock, accept_q);
if (sk->sk_state == BT_CONNECTED ||
(test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags) &&
sk->sk_state == BT_CONNECT2))
return POLLIN | POLLRDNORM;
}
return 0;
}
| +Info | 0 | static inline unsigned int bt_accept_poll(struct sock *parent)
{
struct list_head *p, *n;
struct sock *sk;
list_for_each_safe(p, n, &bt_sk(parent)->accept_q) {
sk = (struct sock *) list_entry(p, struct bt_sock, accept_q);
if (sk->sk_state == BT_CONNECTED ||
(test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags) &&
sk->sk_state == BT_CONNECT2))
return POLLIN | POLLRDNORM;
}
return 0;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,636 | void bt_accept_unlink(struct sock *sk)
{
BT_DBG("sk %p state %d", sk, sk->sk_state);
list_del_init(&bt_sk(sk)->accept_q);
bt_sk(sk)->parent->sk_ack_backlog--;
bt_sk(sk)->parent = NULL;
sock_put(sk);
}
| +Info | 0 | void bt_accept_unlink(struct sock *sk)
{
BT_DBG("sk %p state %d", sk, sk->sk_state);
list_del_init(&bt_sk(sk)->accept_q);
bt_sk(sk)->parent->sk_ack_backlog--;
bt_sk(sk)->parent = NULL;
sock_put(sk);
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,637 | static void __exit bt_exit(void)
{
sco_exit();
l2cap_exit();
hci_sock_cleanup();
sock_unregister(PF_BLUETOOTH);
bt_sysfs_cleanup();
}
| +Info | 0 | static void __exit bt_exit(void)
{
sco_exit();
l2cap_exit();
hci_sock_cleanup();
sock_unregister(PF_BLUETOOTH);
bt_sysfs_cleanup();
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,638 | static int __init bt_init(void)
{
int err;
BT_INFO("Core ver %s", VERSION);
err = bt_sysfs_init();
if (err < 0)
return err;
err = sock_register(&bt_sock_family_ops);
if (err < 0) {
bt_sysfs_cleanup();
return err;
}
BT_INFO("HCI device and connection manager initialized");
err = hci_sock_init();
if (err < 0)
goto error;
err = l2cap_init();
if (err < 0)
goto sock_err;
err = sco_init();
if (err < 0) {
l2cap_exit();
goto sock_err;
}
return 0;
sock_err:
hci_sock_cleanup();
error:
sock_unregister(PF_BLUETOOTH);
bt_sysfs_cleanup();
return err;
}
| +Info | 0 | static int __init bt_init(void)
{
int err;
BT_INFO("Core ver %s", VERSION);
err = bt_sysfs_init();
if (err < 0)
return err;
err = sock_register(&bt_sock_family_ops);
if (err < 0) {
bt_sysfs_cleanup();
return err;
}
BT_INFO("HCI device and connection manager initialized");
err = hci_sock_init();
if (err < 0)
goto error;
err = l2cap_init();
if (err < 0)
goto sock_err;
err = sco_init();
if (err < 0) {
l2cap_exit();
goto sock_err;
}
return 0;
sock_err:
hci_sock_cleanup();
error:
sock_unregister(PF_BLUETOOTH);
bt_sysfs_cleanup();
return err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,639 | void bt_procfs_cleanup(struct net *net, const char *name)
{
}
| +Info | 0 | void bt_procfs_cleanup(struct net *net, const char *name)
{
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,640 | int bt_procfs_init(struct module* module, struct net *net, const char *name,
struct bt_sock_list* sk_list,
int (* seq_show)(struct seq_file *, void *))
{
return 0;
}
| +Info | 0 | int bt_procfs_init(struct module* module, struct net *net, const char *name,
struct bt_sock_list* sk_list,
int (* seq_show)(struct seq_file *, void *))
{
return 0;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,641 | static void *bt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct bt_seq_state *s = seq->private;
struct bt_sock_list *l = s->l;
return seq_hlist_next(v, &l->head, pos);
}
| +Info | 0 | static void *bt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct bt_seq_state *s = seq->private;
struct bt_sock_list *l = s->l;
return seq_hlist_next(v, &l->head, pos);
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,642 | static int bt_seq_open(struct inode *inode, struct file *file)
{
struct bt_sock_list *sk_list;
struct bt_seq_state *s;
sk_list = PDE(inode)->data;
s = __seq_open_private(file, &bt_seq_ops,
sizeof(struct bt_seq_state));
if (!s)
return -ENOMEM;
s->l = sk_list;
return 0;
}
| +Info | 0 | static int bt_seq_open(struct inode *inode, struct file *file)
{
struct bt_sock_list *sk_list;
struct bt_seq_state *s;
sk_list = PDE(inode)->data;
s = __seq_open_private(file, &bt_seq_ops,
sizeof(struct bt_seq_state));
if (!s)
return -ENOMEM;
s->l = sk_list;
return 0;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,643 | static int bt_seq_show(struct seq_file *seq, void *v)
{
struct bt_seq_state *s = seq->private;
struct bt_sock_list *l = s->l;
if (v == SEQ_START_TOKEN) {
seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent");
if (l->custom_seq_show) {
seq_putc(seq, ' ');
l->custom_seq_show(seq, v);
}
seq_putc(seq, '\n');
} else {
struct sock *sk = sk_entry(v);
struct bt_sock *bt = bt_sk(sk);
seq_printf(seq,
"%pK %-6d %-6u %-6u %-6u %-6lu %pMR %pMR %-6lu",
sk,
atomic_read(&sk->sk_refcnt),
sk_rmem_alloc_get(sk),
sk_wmem_alloc_get(sk),
from_kuid(seq_user_ns(seq), sock_i_uid(sk)),
sock_i_ino(sk),
&bt->src,
&bt->dst,
bt->parent? sock_i_ino(bt->parent): 0LU);
if (l->custom_seq_show) {
seq_putc(seq, ' ');
l->custom_seq_show(seq, v);
}
seq_putc(seq, '\n');
}
return 0;
}
| +Info | 0 | static int bt_seq_show(struct seq_file *seq, void *v)
{
struct bt_seq_state *s = seq->private;
struct bt_sock_list *l = s->l;
if (v == SEQ_START_TOKEN) {
seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent");
if (l->custom_seq_show) {
seq_putc(seq, ' ');
l->custom_seq_show(seq, v);
}
seq_putc(seq, '\n');
} else {
struct sock *sk = sk_entry(v);
struct bt_sock *bt = bt_sk(sk);
seq_printf(seq,
"%pK %-6d %-6u %-6u %-6u %-6lu %pMR %pMR %-6lu",
sk,
atomic_read(&sk->sk_refcnt),
sk_rmem_alloc_get(sk),
sk_wmem_alloc_get(sk),
from_kuid(seq_user_ns(seq), sock_i_uid(sk)),
sock_i_ino(sk),
&bt->src,
&bt->dst,
bt->parent? sock_i_ino(bt->parent): 0LU);
if (l->custom_seq_show) {
seq_putc(seq, ' ');
l->custom_seq_show(seq, v);
}
seq_putc(seq, '\n');
}
return 0;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,644 | static int bt_sock_create(struct net *net, struct socket *sock, int proto,
int kern)
{
int err;
if (net != &init_net)
return -EAFNOSUPPORT;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
if (!bt_proto[proto])
request_module("bt-proto-%d", proto);
err = -EPROTONOSUPPORT;
read_lock(&bt_proto_lock);
if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
err = bt_proto[proto]->create(net, sock, proto, kern);
if (!err)
bt_sock_reclassify_lock(sock->sk, proto);
module_put(bt_proto[proto]->owner);
}
read_unlock(&bt_proto_lock);
return err;
}
| +Info | 0 | static int bt_sock_create(struct net *net, struct socket *sock, int proto,
int kern)
{
int err;
if (net != &init_net)
return -EAFNOSUPPORT;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
if (!bt_proto[proto])
request_module("bt-proto-%d", proto);
err = -EPROTONOSUPPORT;
read_lock(&bt_proto_lock);
if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
err = bt_proto[proto]->create(net, sock, proto, kern);
if (!err)
bt_sock_reclassify_lock(sock->sk, proto);
module_put(bt_proto[proto]->owner);
}
read_unlock(&bt_proto_lock);
return err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,645 | static long bt_sock_data_wait(struct sock *sk, long timeo)
{
DECLARE_WAITQUEUE(wait, current);
add_wait_queue(sk_sleep(sk), &wait);
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
if (!skb_queue_empty(&sk->sk_receive_queue))
break;
if (sk->sk_err || (sk->sk_shutdown & RCV_SHUTDOWN))
break;
if (signal_pending(current) || !timeo)
break;
set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return timeo;
}
| +Info | 0 | static long bt_sock_data_wait(struct sock *sk, long timeo)
{
DECLARE_WAITQUEUE(wait, current);
add_wait_queue(sk_sleep(sk), &wait);
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
if (!skb_queue_empty(&sk->sk_receive_queue))
break;
if (sk->sk_err || (sk->sk_shutdown & RCV_SHUTDOWN))
break;
if (signal_pending(current) || !timeo)
break;
set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return timeo;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,646 | int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
struct sk_buff *skb;
long amount;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
switch (cmd) {
case TIOCOUTQ:
if (sk->sk_state == BT_LISTEN)
return -EINVAL;
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
err = put_user(amount, (int __user *) arg);
break;
case TIOCINQ:
if (sk->sk_state == BT_LISTEN)
return -EINVAL;
lock_sock(sk);
skb = skb_peek(&sk->sk_receive_queue);
amount = skb ? skb->len : 0;
release_sock(sk);
err = put_user(amount, (int __user *) arg);
break;
case SIOCGSTAMP:
err = sock_get_timestamp(sk, (struct timeval __user *) arg);
break;
case SIOCGSTAMPNS:
err = sock_get_timestampns(sk, (struct timespec __user *) arg);
break;
default:
err = -ENOIOCTLCMD;
break;
}
return err;
}
| +Info | 0 | int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
struct sk_buff *skb;
long amount;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
switch (cmd) {
case TIOCOUTQ:
if (sk->sk_state == BT_LISTEN)
return -EINVAL;
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
err = put_user(amount, (int __user *) arg);
break;
case TIOCINQ:
if (sk->sk_state == BT_LISTEN)
return -EINVAL;
lock_sock(sk);
skb = skb_peek(&sk->sk_receive_queue);
amount = skb ? skb->len : 0;
release_sock(sk);
err = put_user(amount, (int __user *) arg);
break;
case SIOCGSTAMP:
err = sock_get_timestamp(sk, (struct timeval __user *) arg);
break;
case SIOCGSTAMPNS:
err = sock_get_timestampns(sk, (struct timespec __user *) arg);
break;
default:
err = -ENOIOCTLCMD;
break;
}
return err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,647 | void bt_sock_link(struct bt_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
sk_add_node(sk, &l->head);
write_unlock(&l->lock);
}
| +Info | 0 | void bt_sock_link(struct bt_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
sk_add_node(sk, &l->head);
write_unlock(&l->lock);
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,648 | unsigned int bt_sock_poll(struct file *file, struct socket *sock,
poll_table *wait)
{
struct sock *sk = sock->sk;
unsigned int mask = 0;
BT_DBG("sock %p, sk %p", sock, sk);
poll_wait(file, sk_sleep(sk), wait);
if (sk->sk_state == BT_LISTEN)
return bt_accept_poll(sk);
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR;
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
if (sk->sk_state == BT_CLOSED)
mask |= POLLHUP;
if (sk->sk_state == BT_CONNECT ||
sk->sk_state == BT_CONNECT2 ||
sk->sk_state == BT_CONFIG)
return mask;
if (!test_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags) && sock_writeable(sk))
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
else
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
return mask;
}
| +Info | 0 | unsigned int bt_sock_poll(struct file *file, struct socket *sock,
poll_table *wait)
{
struct sock *sk = sock->sk;
unsigned int mask = 0;
BT_DBG("sock %p, sk %p", sock, sk);
poll_wait(file, sk_sleep(sk), wait);
if (sk->sk_state == BT_LISTEN)
return bt_accept_poll(sk);
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR;
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
if (sk->sk_state == BT_CLOSED)
mask |= POLLHUP;
if (sk->sk_state == BT_CONNECT ||
sk->sk_state == BT_CONNECT2 ||
sk->sk_state == BT_CONFIG)
return mask;
if (!test_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags) && sock_writeable(sk))
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
else
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
return mask;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,649 | void bt_sock_reclassify_lock(struct sock *sk, int proto)
{
BUG_ON(!sk);
BUG_ON(sock_owned_by_user(sk));
sock_lock_init_class_and_name(sk,
bt_slock_key_strings[proto], &bt_slock_key[proto],
bt_key_strings[proto], &bt_lock_key[proto]);
}
| +Info | 0 | void bt_sock_reclassify_lock(struct sock *sk, int proto)
{
BUG_ON(!sk);
BUG_ON(sock_owned_by_user(sk));
sock_lock_init_class_and_name(sk,
bt_slock_key_strings[proto], &bt_slock_key[proto],
bt_key_strings[proto], &bt_lock_key[proto]);
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,650 | int bt_sock_register(int proto, const struct net_proto_family *ops)
{
int err = 0;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
write_lock(&bt_proto_lock);
if (bt_proto[proto])
err = -EEXIST;
else
bt_proto[proto] = ops;
write_unlock(&bt_proto_lock);
return err;
}
| +Info | 0 | int bt_sock_register(int proto, const struct net_proto_family *ops)
{
int err = 0;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
write_lock(&bt_proto_lock);
if (bt_proto[proto])
err = -EEXIST;
else
bt_proto[proto] = ops;
write_unlock(&bt_proto_lock);
return err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,651 | int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
int err = 0;
size_t target, copied = 0;
long timeo;
if (flags & MSG_OOB)
return -EOPNOTSUPP;
msg->msg_namelen = 0;
BT_DBG("sk %p size %zu", sk, size);
lock_sock(sk);
target = sock_rcvlowat(sk, flags & MSG_WAITALL, size);
timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
do {
struct sk_buff *skb;
int chunk;
skb = skb_dequeue(&sk->sk_receive_queue);
if (!skb) {
if (copied >= target)
break;
err = sock_error(sk);
if (err)
break;
if (sk->sk_shutdown & RCV_SHUTDOWN)
break;
err = -EAGAIN;
if (!timeo)
break;
timeo = bt_sock_data_wait(sk, timeo);
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
goto out;
}
continue;
}
chunk = min_t(unsigned int, skb->len, size);
if (skb_copy_datagram_iovec(skb, 0, msg->msg_iov, chunk)) {
skb_queue_head(&sk->sk_receive_queue, skb);
if (!copied)
copied = -EFAULT;
break;
}
copied += chunk;
size -= chunk;
sock_recv_ts_and_drops(msg, sk, skb);
if (!(flags & MSG_PEEK)) {
int skb_len = skb_headlen(skb);
if (chunk <= skb_len) {
__skb_pull(skb, chunk);
} else {
struct sk_buff *frag;
__skb_pull(skb, skb_len);
chunk -= skb_len;
skb_walk_frags(skb, frag) {
if (chunk <= frag->len) {
/* Pulling partial data */
skb->len -= chunk;
skb->data_len -= chunk;
__skb_pull(frag, chunk);
break;
} else if (frag->len) {
/* Pulling all frag data */
chunk -= frag->len;
skb->len -= frag->len;
skb->data_len -= frag->len;
__skb_pull(frag, frag->len);
}
}
}
if (skb->len) {
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
kfree_skb(skb);
} else {
/* put message back and return */
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
} while (size);
out:
release_sock(sk);
return copied ? : err;
}
| +Info | 0 | int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
int err = 0;
size_t target, copied = 0;
long timeo;
if (flags & MSG_OOB)
return -EOPNOTSUPP;
msg->msg_namelen = 0;
BT_DBG("sk %p size %zu", sk, size);
lock_sock(sk);
target = sock_rcvlowat(sk, flags & MSG_WAITALL, size);
timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
do {
struct sk_buff *skb;
int chunk;
skb = skb_dequeue(&sk->sk_receive_queue);
if (!skb) {
if (copied >= target)
break;
err = sock_error(sk);
if (err)
break;
if (sk->sk_shutdown & RCV_SHUTDOWN)
break;
err = -EAGAIN;
if (!timeo)
break;
timeo = bt_sock_data_wait(sk, timeo);
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
goto out;
}
continue;
}
chunk = min_t(unsigned int, skb->len, size);
if (skb_copy_datagram_iovec(skb, 0, msg->msg_iov, chunk)) {
skb_queue_head(&sk->sk_receive_queue, skb);
if (!copied)
copied = -EFAULT;
break;
}
copied += chunk;
size -= chunk;
sock_recv_ts_and_drops(msg, sk, skb);
if (!(flags & MSG_PEEK)) {
int skb_len = skb_headlen(skb);
if (chunk <= skb_len) {
__skb_pull(skb, chunk);
} else {
struct sk_buff *frag;
__skb_pull(skb, skb_len);
chunk -= skb_len;
skb_walk_frags(skb, frag) {
if (chunk <= frag->len) {
/* Pulling partial data */
skb->len -= chunk;
skb->data_len -= chunk;
__skb_pull(frag, chunk);
break;
} else if (frag->len) {
/* Pulling all frag data */
chunk -= frag->len;
skb->len -= frag->len;
skb->data_len -= frag->len;
__skb_pull(frag, frag->len);
}
}
}
if (skb->len) {
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
kfree_skb(skb);
} else {
/* put message back and return */
skb_queue_head(&sk->sk_receive_queue, skb);
break;
}
} while (size);
out:
release_sock(sk);
return copied ? : err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,652 | void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
sk_del_node_init(sk);
write_unlock(&l->lock);
}
| +Info | 0 | void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
sk_del_node_init(sk);
write_unlock(&l->lock);
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,653 | int bt_sock_unregister(int proto)
{
int err = 0;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
write_lock(&bt_proto_lock);
if (!bt_proto[proto])
err = -ENOENT;
else
bt_proto[proto] = NULL;
write_unlock(&bt_proto_lock);
return err;
}
| +Info | 0 | int bt_sock_unregister(int proto)
{
int err = 0;
if (proto < 0 || proto >= BT_MAX_PROTO)
return -EINVAL;
write_lock(&bt_proto_lock);
if (!bt_proto[proto])
err = -ENOENT;
else
bt_proto[proto] = NULL;
write_unlock(&bt_proto_lock);
return err;
}
| @@ -230,15 +230,15 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
+ msg->msg_namelen = 0;
+
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN)
return 0;
return err;
}
- msg->msg_namelen = 0;
-
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC; | CWE-200 | null | null |
24,654 | __acquires(ax25_list_lock)
{
spin_lock_bh(&ax25_list_lock);
return seq_hlist_start(&ax25_list, *pos);
}
| +Info | 0 | __acquires(ax25_list_lock)
{
spin_lock_bh(&ax25_list_lock);
return seq_hlist_start(&ax25_list, *pos);
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,655 | __releases(ax25_list_lock)
{
spin_unlock_bh(&ax25_list_lock);
}
| +Info | 0 | __releases(ax25_list_lock)
{
spin_unlock_bh(&ax25_list_lock);
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,656 | static int ax25_accept(struct socket *sock, struct socket *newsock, int flags)
{
struct sk_buff *skb;
struct sock *newsk;
DEFINE_WAIT(wait);
struct sock *sk;
int err = 0;
if (sock->state != SS_UNCONNECTED)
return -EINVAL;
if ((sk = sock->sk) == NULL)
return -EINVAL;
lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EOPNOTSUPP;
goto out;
}
if (sk->sk_state != TCP_LISTEN) {
err = -EINVAL;
goto out;
}
/*
* The read queue this time is holding sockets ready to use
* hooked into the SABM we saved
*/
for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
break;
if (flags & O_NONBLOCK) {
err = -EWOULDBLOCK;
break;
}
if (!signal_pending(current)) {
release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
err = -ERESTARTSYS;
break;
}
finish_wait(sk_sleep(sk), &wait);
if (err)
goto out;
newsk = skb->sk;
sock_graft(newsk, newsock);
/* Now attach up the new socket */
kfree_skb(skb);
sk->sk_ack_backlog--;
newsock->state = SS_CONNECTED;
out:
release_sock(sk);
return err;
}
| +Info | 0 | static int ax25_accept(struct socket *sock, struct socket *newsock, int flags)
{
struct sk_buff *skb;
struct sock *newsk;
DEFINE_WAIT(wait);
struct sock *sk;
int err = 0;
if (sock->state != SS_UNCONNECTED)
return -EINVAL;
if ((sk = sock->sk) == NULL)
return -EINVAL;
lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EOPNOTSUPP;
goto out;
}
if (sk->sk_state != TCP_LISTEN) {
err = -EINVAL;
goto out;
}
/*
* The read queue this time is holding sockets ready to use
* hooked into the SABM we saved
*/
for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
break;
if (flags & O_NONBLOCK) {
err = -EWOULDBLOCK;
break;
}
if (!signal_pending(current)) {
release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
err = -ERESTARTSYS;
break;
}
finish_wait(sk_sleep(sk), &wait);
if (err)
goto out;
newsk = skb->sk;
sock_graft(newsk, newsock);
/* Now attach up the new socket */
kfree_skb(skb);
sk->sk_ack_backlog--;
newsock->state = SS_CONNECTED;
out:
release_sock(sk);
return err;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,657 | static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
struct full_sockaddr_ax25 *addr = (struct full_sockaddr_ax25 *)uaddr;
ax25_dev *ax25_dev = NULL;
ax25_uid_assoc *user;
ax25_address call;
ax25_cb *ax25;
int err = 0;
if (addr_len != sizeof(struct sockaddr_ax25) &&
addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_bind(): uses old (6 digipeater) socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
if (addr->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
user = ax25_findbyuid(current_euid());
if (user) {
call = user->call;
ax25_uid_put(user);
} else {
if (ax25_uid_policy && !capable(CAP_NET_ADMIN))
return -EACCES;
call = addr->fsa_ax25.sax25_call;
}
lock_sock(sk);
ax25 = ax25_sk(sk);
if (!sock_flag(sk, SOCK_ZAPPED)) {
err = -EINVAL;
goto out;
}
ax25->source_addr = call;
/*
* User already set interface with SO_BINDTODEVICE
*/
if (ax25->ax25_dev != NULL)
goto done;
if (addr_len > sizeof(struct sockaddr_ax25) && addr->fsa_ax25.sax25_ndigis == 1) {
if (ax25cmp(&addr->fsa_digipeater[0], &null_ax25_address) != 0 &&
(ax25_dev = ax25_addr_ax25dev(&addr->fsa_digipeater[0])) == NULL) {
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if ((ax25_dev = ax25_addr_ax25dev(&addr->fsa_ax25.sax25_call)) == NULL) {
err = -EADDRNOTAVAIL;
goto out;
}
}
if (ax25_dev != NULL)
ax25_fillin_cb(ax25, ax25_dev);
done:
ax25_cb_add(ax25);
sock_reset_flag(sk, SOCK_ZAPPED);
out:
release_sock(sk);
return err;
}
| +Info | 0 | static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
struct full_sockaddr_ax25 *addr = (struct full_sockaddr_ax25 *)uaddr;
ax25_dev *ax25_dev = NULL;
ax25_uid_assoc *user;
ax25_address call;
ax25_cb *ax25;
int err = 0;
if (addr_len != sizeof(struct sockaddr_ax25) &&
addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_bind(): uses old (6 digipeater) socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
if (addr->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
user = ax25_findbyuid(current_euid());
if (user) {
call = user->call;
ax25_uid_put(user);
} else {
if (ax25_uid_policy && !capable(CAP_NET_ADMIN))
return -EACCES;
call = addr->fsa_ax25.sax25_call;
}
lock_sock(sk);
ax25 = ax25_sk(sk);
if (!sock_flag(sk, SOCK_ZAPPED)) {
err = -EINVAL;
goto out;
}
ax25->source_addr = call;
/*
* User already set interface with SO_BINDTODEVICE
*/
if (ax25->ax25_dev != NULL)
goto done;
if (addr_len > sizeof(struct sockaddr_ax25) && addr->fsa_ax25.sax25_ndigis == 1) {
if (ax25cmp(&addr->fsa_digipeater[0], &null_ax25_address) != 0 &&
(ax25_dev = ax25_addr_ax25dev(&addr->fsa_digipeater[0])) == NULL) {
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if ((ax25_dev = ax25_addr_ax25dev(&addr->fsa_ax25.sax25_call)) == NULL) {
err = -EADDRNOTAVAIL;
goto out;
}
}
if (ax25_dev != NULL)
ax25_fillin_cb(ax25, ax25_dev);
done:
ax25_cb_add(ax25);
sock_reset_flag(sk, SOCK_ZAPPED);
out:
release_sock(sk);
return err;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,658 | static void ax25_cb_del(ax25_cb *ax25)
{
if (!hlist_unhashed(&ax25->ax25_node)) {
spin_lock_bh(&ax25_list_lock);
hlist_del_init(&ax25->ax25_node);
spin_unlock_bh(&ax25_list_lock);
ax25_cb_put(ax25);
}
}
| +Info | 0 | static void ax25_cb_del(ax25_cb *ax25)
{
if (!hlist_unhashed(&ax25->ax25_node)) {
spin_lock_bh(&ax25_list_lock);
hlist_del_init(&ax25->ax25_node);
spin_unlock_bh(&ax25_list_lock);
ax25_cb_put(ax25);
}
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,659 | static int __must_check ax25_connect(struct socket *sock,
struct sockaddr *uaddr, int addr_len, int flags)
{
struct sock *sk = sock->sk;
ax25_cb *ax25 = ax25_sk(sk), *ax25t;
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)uaddr;
ax25_digi *digi = NULL;
int ct = 0, err = 0;
/*
* some sanity checks. code further down depends on this
*/
if (addr_len == sizeof(struct sockaddr_ax25))
/* support for this will go away in early 2.5.x
* ax25_connect(): uses obsolete socket structure
*/
;
else if (addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_connect(): uses old (6 digipeater) socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
if (fsa->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
lock_sock(sk);
/* deal with restarts */
if (sock->state == SS_CONNECTING) {
switch (sk->sk_state) {
case TCP_SYN_SENT: /* still trying */
err = -EINPROGRESS;
goto out_release;
case TCP_ESTABLISHED: /* connection established */
sock->state = SS_CONNECTED;
goto out_release;
case TCP_CLOSE: /* connection refused */
sock->state = SS_UNCONNECTED;
err = -ECONNREFUSED;
goto out_release;
}
}
if (sk->sk_state == TCP_ESTABLISHED && sk->sk_type == SOCK_SEQPACKET) {
err = -EISCONN; /* No reconnect on a seqpacket socket */
goto out_release;
}
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
kfree(ax25->digipeat);
ax25->digipeat = NULL;
/*
* Handle digi-peaters to be used.
*/
if (addr_len > sizeof(struct sockaddr_ax25) &&
fsa->fsa_ax25.sax25_ndigis != 0) {
/* Valid number of digipeaters ? */
if (fsa->fsa_ax25.sax25_ndigis < 1 || fsa->fsa_ax25.sax25_ndigis > AX25_MAX_DIGIS) {
err = -EINVAL;
goto out_release;
}
if ((digi = kmalloc(sizeof(ax25_digi), GFP_KERNEL)) == NULL) {
err = -ENOBUFS;
goto out_release;
}
digi->ndigi = fsa->fsa_ax25.sax25_ndigis;
digi->lastrepeat = -1;
while (ct < fsa->fsa_ax25.sax25_ndigis) {
if ((fsa->fsa_digipeater[ct].ax25_call[6] &
AX25_HBIT) && ax25->iamdigi) {
digi->repeated[ct] = 1;
digi->lastrepeat = ct;
} else {
digi->repeated[ct] = 0;
}
digi->calls[ct] = fsa->fsa_digipeater[ct];
ct++;
}
}
/*
* Must bind first - autobinding in this may or may not work. If
* the socket is already bound, check to see if the device has
* been filled in, error if it hasn't.
*/
if (sock_flag(sk, SOCK_ZAPPED)) {
/* check if we can remove this feature. It is broken. */
printk(KERN_WARNING "ax25_connect(): %s uses autobind, please contact jreuter@yaina.de\n",
current->comm);
if ((err = ax25_rt_autobind(ax25, &fsa->fsa_ax25.sax25_call)) < 0) {
kfree(digi);
goto out_release;
}
ax25_fillin_cb(ax25, ax25->ax25_dev);
ax25_cb_add(ax25);
} else {
if (ax25->ax25_dev == NULL) {
kfree(digi);
err = -EHOSTUNREACH;
goto out_release;
}
}
if (sk->sk_type == SOCK_SEQPACKET &&
(ax25t=ax25_find_cb(&ax25->source_addr, &fsa->fsa_ax25.sax25_call, digi,
ax25->ax25_dev->dev))) {
kfree(digi);
err = -EADDRINUSE; /* Already such a connection */
ax25_cb_put(ax25t);
goto out_release;
}
ax25->dest_addr = fsa->fsa_ax25.sax25_call;
ax25->digipeat = digi;
/* First the easy one */
if (sk->sk_type != SOCK_SEQPACKET) {
sock->state = SS_CONNECTED;
sk->sk_state = TCP_ESTABLISHED;
goto out_release;
}
/* Move to connecting socket, ax.25 lapb WAIT_UA.. */
sock->state = SS_CONNECTING;
sk->sk_state = TCP_SYN_SENT;
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
case AX25_PROTO_STD_SIMPLEX:
case AX25_PROTO_STD_DUPLEX:
ax25_std_establish_data_link(ax25);
break;
#ifdef CONFIG_AX25_DAMA_SLAVE
case AX25_PROTO_DAMA_SLAVE:
ax25->modulus = AX25_MODULUS;
ax25->window = ax25->ax25_dev->values[AX25_VALUES_WINDOW];
if (ax25->ax25_dev->dama.slave)
ax25_ds_establish_data_link(ax25);
else
ax25_std_establish_data_link(ax25);
break;
#endif
}
ax25->state = AX25_STATE_1;
ax25_start_heartbeat(ax25);
/* Now the loop */
if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) {
err = -EINPROGRESS;
goto out_release;
}
if (sk->sk_state == TCP_SYN_SENT) {
DEFINE_WAIT(wait);
for (;;) {
prepare_to_wait(sk_sleep(sk), &wait,
TASK_INTERRUPTIBLE);
if (sk->sk_state != TCP_SYN_SENT)
break;
if (!signal_pending(current)) {
release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
err = -ERESTARTSYS;
break;
}
finish_wait(sk_sleep(sk), &wait);
if (err)
goto out_release;
}
if (sk->sk_state != TCP_ESTABLISHED) {
/* Not in ABM, not in WAIT_UA -> failed */
sock->state = SS_UNCONNECTED;
err = sock_error(sk); /* Always set at this point */
goto out_release;
}
sock->state = SS_CONNECTED;
err = 0;
out_release:
release_sock(sk);
return err;
}
| +Info | 0 | static int __must_check ax25_connect(struct socket *sock,
struct sockaddr *uaddr, int addr_len, int flags)
{
struct sock *sk = sock->sk;
ax25_cb *ax25 = ax25_sk(sk), *ax25t;
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)uaddr;
ax25_digi *digi = NULL;
int ct = 0, err = 0;
/*
* some sanity checks. code further down depends on this
*/
if (addr_len == sizeof(struct sockaddr_ax25))
/* support for this will go away in early 2.5.x
* ax25_connect(): uses obsolete socket structure
*/
;
else if (addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_connect(): uses old (6 digipeater) socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25)))
return -EINVAL;
if (fsa->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
lock_sock(sk);
/* deal with restarts */
if (sock->state == SS_CONNECTING) {
switch (sk->sk_state) {
case TCP_SYN_SENT: /* still trying */
err = -EINPROGRESS;
goto out_release;
case TCP_ESTABLISHED: /* connection established */
sock->state = SS_CONNECTED;
goto out_release;
case TCP_CLOSE: /* connection refused */
sock->state = SS_UNCONNECTED;
err = -ECONNREFUSED;
goto out_release;
}
}
if (sk->sk_state == TCP_ESTABLISHED && sk->sk_type == SOCK_SEQPACKET) {
err = -EISCONN; /* No reconnect on a seqpacket socket */
goto out_release;
}
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
kfree(ax25->digipeat);
ax25->digipeat = NULL;
/*
* Handle digi-peaters to be used.
*/
if (addr_len > sizeof(struct sockaddr_ax25) &&
fsa->fsa_ax25.sax25_ndigis != 0) {
/* Valid number of digipeaters ? */
if (fsa->fsa_ax25.sax25_ndigis < 1 || fsa->fsa_ax25.sax25_ndigis > AX25_MAX_DIGIS) {
err = -EINVAL;
goto out_release;
}
if ((digi = kmalloc(sizeof(ax25_digi), GFP_KERNEL)) == NULL) {
err = -ENOBUFS;
goto out_release;
}
digi->ndigi = fsa->fsa_ax25.sax25_ndigis;
digi->lastrepeat = -1;
while (ct < fsa->fsa_ax25.sax25_ndigis) {
if ((fsa->fsa_digipeater[ct].ax25_call[6] &
AX25_HBIT) && ax25->iamdigi) {
digi->repeated[ct] = 1;
digi->lastrepeat = ct;
} else {
digi->repeated[ct] = 0;
}
digi->calls[ct] = fsa->fsa_digipeater[ct];
ct++;
}
}
/*
* Must bind first - autobinding in this may or may not work. If
* the socket is already bound, check to see if the device has
* been filled in, error if it hasn't.
*/
if (sock_flag(sk, SOCK_ZAPPED)) {
/* check if we can remove this feature. It is broken. */
printk(KERN_WARNING "ax25_connect(): %s uses autobind, please contact jreuter@yaina.de\n",
current->comm);
if ((err = ax25_rt_autobind(ax25, &fsa->fsa_ax25.sax25_call)) < 0) {
kfree(digi);
goto out_release;
}
ax25_fillin_cb(ax25, ax25->ax25_dev);
ax25_cb_add(ax25);
} else {
if (ax25->ax25_dev == NULL) {
kfree(digi);
err = -EHOSTUNREACH;
goto out_release;
}
}
if (sk->sk_type == SOCK_SEQPACKET &&
(ax25t=ax25_find_cb(&ax25->source_addr, &fsa->fsa_ax25.sax25_call, digi,
ax25->ax25_dev->dev))) {
kfree(digi);
err = -EADDRINUSE; /* Already such a connection */
ax25_cb_put(ax25t);
goto out_release;
}
ax25->dest_addr = fsa->fsa_ax25.sax25_call;
ax25->digipeat = digi;
/* First the easy one */
if (sk->sk_type != SOCK_SEQPACKET) {
sock->state = SS_CONNECTED;
sk->sk_state = TCP_ESTABLISHED;
goto out_release;
}
/* Move to connecting socket, ax.25 lapb WAIT_UA.. */
sock->state = SS_CONNECTING;
sk->sk_state = TCP_SYN_SENT;
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
case AX25_PROTO_STD_SIMPLEX:
case AX25_PROTO_STD_DUPLEX:
ax25_std_establish_data_link(ax25);
break;
#ifdef CONFIG_AX25_DAMA_SLAVE
case AX25_PROTO_DAMA_SLAVE:
ax25->modulus = AX25_MODULUS;
ax25->window = ax25->ax25_dev->values[AX25_VALUES_WINDOW];
if (ax25->ax25_dev->dama.slave)
ax25_ds_establish_data_link(ax25);
else
ax25_std_establish_data_link(ax25);
break;
#endif
}
ax25->state = AX25_STATE_1;
ax25_start_heartbeat(ax25);
/* Now the loop */
if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) {
err = -EINPROGRESS;
goto out_release;
}
if (sk->sk_state == TCP_SYN_SENT) {
DEFINE_WAIT(wait);
for (;;) {
prepare_to_wait(sk_sleep(sk), &wait,
TASK_INTERRUPTIBLE);
if (sk->sk_state != TCP_SYN_SENT)
break;
if (!signal_pending(current)) {
release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
err = -ERESTARTSYS;
break;
}
finish_wait(sk_sleep(sk), &wait);
if (err)
goto out_release;
}
if (sk->sk_state != TCP_ESTABLISHED) {
/* Not in ABM, not in WAIT_UA -> failed */
sock->state = SS_UNCONNECTED;
err = sock_error(sk); /* Always set at this point */
goto out_release;
}
sock->state = SS_CONNECTED;
err = 0;
out_release:
release_sock(sk);
return err;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,660 | static int ax25_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
ax25_cb *ax25;
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
switch (sock->type) {
case SOCK_DGRAM:
if (protocol == 0 || protocol == PF_AX25)
protocol = AX25_P_TEXT;
break;
case SOCK_SEQPACKET:
switch (protocol) {
case 0:
case PF_AX25: /* For CLX */
protocol = AX25_P_TEXT;
break;
case AX25_P_SEGMENT:
#ifdef CONFIG_INET
case AX25_P_ARP:
case AX25_P_IP:
#endif
#ifdef CONFIG_NETROM
case AX25_P_NETROM:
#endif
#ifdef CONFIG_ROSE
case AX25_P_ROSE:
#endif
return -ESOCKTNOSUPPORT;
#ifdef CONFIG_NETROM_MODULE
case AX25_P_NETROM:
if (ax25_protocol_is_registered(AX25_P_NETROM))
return -ESOCKTNOSUPPORT;
break;
#endif
#ifdef CONFIG_ROSE_MODULE
case AX25_P_ROSE:
if (ax25_protocol_is_registered(AX25_P_ROSE))
return -ESOCKTNOSUPPORT;
#endif
default:
break;
}
break;
case SOCK_RAW:
break;
default:
return -ESOCKTNOSUPPORT;
}
sk = sk_alloc(net, PF_AX25, GFP_ATOMIC, &ax25_proto);
if (sk == NULL)
return -ENOMEM;
ax25 = sk->sk_protinfo = ax25_create_cb();
if (!ax25) {
sk_free(sk);
return -ENOMEM;
}
sock_init_data(sock, sk);
sk->sk_destruct = ax25_free_sock;
sock->ops = &ax25_proto_ops;
sk->sk_protocol = protocol;
ax25->sk = sk;
return 0;
}
| +Info | 0 | static int ax25_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
ax25_cb *ax25;
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
switch (sock->type) {
case SOCK_DGRAM:
if (protocol == 0 || protocol == PF_AX25)
protocol = AX25_P_TEXT;
break;
case SOCK_SEQPACKET:
switch (protocol) {
case 0:
case PF_AX25: /* For CLX */
protocol = AX25_P_TEXT;
break;
case AX25_P_SEGMENT:
#ifdef CONFIG_INET
case AX25_P_ARP:
case AX25_P_IP:
#endif
#ifdef CONFIG_NETROM
case AX25_P_NETROM:
#endif
#ifdef CONFIG_ROSE
case AX25_P_ROSE:
#endif
return -ESOCKTNOSUPPORT;
#ifdef CONFIG_NETROM_MODULE
case AX25_P_NETROM:
if (ax25_protocol_is_registered(AX25_P_NETROM))
return -ESOCKTNOSUPPORT;
break;
#endif
#ifdef CONFIG_ROSE_MODULE
case AX25_P_ROSE:
if (ax25_protocol_is_registered(AX25_P_ROSE))
return -ESOCKTNOSUPPORT;
#endif
default:
break;
}
break;
case SOCK_RAW:
break;
default:
return -ESOCKTNOSUPPORT;
}
sk = sk_alloc(net, PF_AX25, GFP_ATOMIC, &ax25_proto);
if (sk == NULL)
return -ENOMEM;
ax25 = sk->sk_protinfo = ax25_create_cb();
if (!ax25) {
sk_free(sk);
return -ENOMEM;
}
sock_init_data(sock, sk);
sk->sk_destruct = ax25_free_sock;
sock->ops = &ax25_proto_ops;
sk->sk_protocol = protocol;
ax25->sk = sk;
return 0;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,661 | ax25_cb *ax25_create_cb(void)
{
ax25_cb *ax25;
if ((ax25 = kzalloc(sizeof(*ax25), GFP_ATOMIC)) == NULL)
return NULL;
atomic_set(&ax25->refcount, 1);
skb_queue_head_init(&ax25->write_queue);
skb_queue_head_init(&ax25->frag_queue);
skb_queue_head_init(&ax25->ack_queue);
skb_queue_head_init(&ax25->reseq_queue);
ax25_setup_timers(ax25);
ax25_fillin_cb(ax25, NULL);
ax25->state = AX25_STATE_0;
return ax25;
}
| +Info | 0 | ax25_cb *ax25_create_cb(void)
{
ax25_cb *ax25;
if ((ax25 = kzalloc(sizeof(*ax25), GFP_ATOMIC)) == NULL)
return NULL;
atomic_set(&ax25->refcount, 1);
skb_queue_head_init(&ax25->write_queue);
skb_queue_head_init(&ax25->frag_queue);
skb_queue_head_init(&ax25->ack_queue);
skb_queue_head_init(&ax25->reseq_queue);
ax25_setup_timers(ax25);
ax25_fillin_cb(ax25, NULL);
ax25->state = AX25_STATE_0;
return ax25;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,662 | static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
{
struct ax25_ctl_struct ax25_ctl;
ax25_digi digi;
ax25_dev *ax25_dev;
ax25_cb *ax25;
unsigned int k;
int ret = 0;
if (copy_from_user(&ax25_ctl, arg, sizeof(ax25_ctl)))
return -EFAULT;
if ((ax25_dev = ax25_addr_ax25dev(&ax25_ctl.port_addr)) == NULL)
return -ENODEV;
if (ax25_ctl.digi_count > AX25_MAX_DIGIS)
return -EINVAL;
if (ax25_ctl.arg > ULONG_MAX / HZ && ax25_ctl.cmd != AX25_KILL)
return -EINVAL;
digi.ndigi = ax25_ctl.digi_count;
for (k = 0; k < digi.ndigi; k++)
digi.calls[k] = ax25_ctl.digi_addr[k];
if ((ax25 = ax25_find_cb(&ax25_ctl.source_addr, &ax25_ctl.dest_addr, &digi, ax25_dev->dev)) == NULL)
return -ENOTCONN;
switch (ax25_ctl.cmd) {
case AX25_KILL:
ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
#ifdef CONFIG_AX25_DAMA_SLAVE
if (ax25_dev->dama.slave && ax25->ax25_dev->values[AX25_VALUES_PROTOCOL] == AX25_PROTO_DAMA_SLAVE)
ax25_dama_off(ax25);
#endif
ax25_disconnect(ax25, ENETRESET);
break;
case AX25_WINDOW:
if (ax25->modulus == AX25_MODULUS) {
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 7)
goto einval_put;
} else {
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 63)
goto einval_put;
}
ax25->window = ax25_ctl.arg;
break;
case AX25_T1:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->rtt = (ax25_ctl.arg * HZ) / 2;
ax25->t1 = ax25_ctl.arg * HZ;
break;
case AX25_T2:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->t2 = ax25_ctl.arg * HZ;
break;
case AX25_N2:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 31)
goto einval_put;
ax25->n2count = 0;
ax25->n2 = ax25_ctl.arg;
break;
case AX25_T3:
if (ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->t3 = ax25_ctl.arg * HZ;
break;
case AX25_IDLE:
if (ax25_ctl.arg > ULONG_MAX / (60 * HZ))
goto einval_put;
ax25->idle = ax25_ctl.arg * 60 * HZ;
break;
case AX25_PACLEN:
if (ax25_ctl.arg < 16 || ax25_ctl.arg > 65535)
goto einval_put;
ax25->paclen = ax25_ctl.arg;
break;
default:
goto einval_put;
}
out_put:
ax25_cb_put(ax25);
return ret;
einval_put:
ret = -EINVAL;
goto out_put;
}
| +Info | 0 | static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
{
struct ax25_ctl_struct ax25_ctl;
ax25_digi digi;
ax25_dev *ax25_dev;
ax25_cb *ax25;
unsigned int k;
int ret = 0;
if (copy_from_user(&ax25_ctl, arg, sizeof(ax25_ctl)))
return -EFAULT;
if ((ax25_dev = ax25_addr_ax25dev(&ax25_ctl.port_addr)) == NULL)
return -ENODEV;
if (ax25_ctl.digi_count > AX25_MAX_DIGIS)
return -EINVAL;
if (ax25_ctl.arg > ULONG_MAX / HZ && ax25_ctl.cmd != AX25_KILL)
return -EINVAL;
digi.ndigi = ax25_ctl.digi_count;
for (k = 0; k < digi.ndigi; k++)
digi.calls[k] = ax25_ctl.digi_addr[k];
if ((ax25 = ax25_find_cb(&ax25_ctl.source_addr, &ax25_ctl.dest_addr, &digi, ax25_dev->dev)) == NULL)
return -ENOTCONN;
switch (ax25_ctl.cmd) {
case AX25_KILL:
ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
#ifdef CONFIG_AX25_DAMA_SLAVE
if (ax25_dev->dama.slave && ax25->ax25_dev->values[AX25_VALUES_PROTOCOL] == AX25_PROTO_DAMA_SLAVE)
ax25_dama_off(ax25);
#endif
ax25_disconnect(ax25, ENETRESET);
break;
case AX25_WINDOW:
if (ax25->modulus == AX25_MODULUS) {
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 7)
goto einval_put;
} else {
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 63)
goto einval_put;
}
ax25->window = ax25_ctl.arg;
break;
case AX25_T1:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->rtt = (ax25_ctl.arg * HZ) / 2;
ax25->t1 = ax25_ctl.arg * HZ;
break;
case AX25_T2:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->t2 = ax25_ctl.arg * HZ;
break;
case AX25_N2:
if (ax25_ctl.arg < 1 || ax25_ctl.arg > 31)
goto einval_put;
ax25->n2count = 0;
ax25->n2 = ax25_ctl.arg;
break;
case AX25_T3:
if (ax25_ctl.arg > ULONG_MAX / HZ)
goto einval_put;
ax25->t3 = ax25_ctl.arg * HZ;
break;
case AX25_IDLE:
if (ax25_ctl.arg > ULONG_MAX / (60 * HZ))
goto einval_put;
ax25->idle = ax25_ctl.arg * 60 * HZ;
break;
case AX25_PACLEN:
if (ax25_ctl.arg < 16 || ax25_ctl.arg > 65535)
goto einval_put;
ax25->paclen = ax25_ctl.arg;
break;
default:
goto einval_put;
}
out_put:
ax25_cb_put(ax25);
return ret;
einval_put:
ret = -EINVAL;
goto out_put;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,663 | void ax25_fillin_cb(ax25_cb *ax25, ax25_dev *ax25_dev)
{
ax25->ax25_dev = ax25_dev;
if (ax25->ax25_dev != NULL) {
ax25_fillin_cb_from_dev(ax25, ax25_dev);
return;
}
/*
* No device, use kernel / AX.25 spec default values
*/
ax25->rtt = msecs_to_jiffies(AX25_DEF_T1) / 2;
ax25->t1 = msecs_to_jiffies(AX25_DEF_T1);
ax25->t2 = msecs_to_jiffies(AX25_DEF_T2);
ax25->t3 = msecs_to_jiffies(AX25_DEF_T3);
ax25->n2 = AX25_DEF_N2;
ax25->paclen = AX25_DEF_PACLEN;
ax25->idle = msecs_to_jiffies(AX25_DEF_IDLE);
ax25->backoff = AX25_DEF_BACKOFF;
if (AX25_DEF_AXDEFMODE) {
ax25->modulus = AX25_EMODULUS;
ax25->window = AX25_DEF_EWINDOW;
} else {
ax25->modulus = AX25_MODULUS;
ax25->window = AX25_DEF_WINDOW;
}
}
| +Info | 0 | void ax25_fillin_cb(ax25_cb *ax25, ax25_dev *ax25_dev)
{
ax25->ax25_dev = ax25_dev;
if (ax25->ax25_dev != NULL) {
ax25_fillin_cb_from_dev(ax25, ax25_dev);
return;
}
/*
* No device, use kernel / AX.25 spec default values
*/
ax25->rtt = msecs_to_jiffies(AX25_DEF_T1) / 2;
ax25->t1 = msecs_to_jiffies(AX25_DEF_T1);
ax25->t2 = msecs_to_jiffies(AX25_DEF_T2);
ax25->t3 = msecs_to_jiffies(AX25_DEF_T3);
ax25->n2 = AX25_DEF_N2;
ax25->paclen = AX25_DEF_PACLEN;
ax25->idle = msecs_to_jiffies(AX25_DEF_IDLE);
ax25->backoff = AX25_DEF_BACKOFF;
if (AX25_DEF_AXDEFMODE) {
ax25->modulus = AX25_EMODULUS;
ax25->window = AX25_DEF_EWINDOW;
} else {
ax25->modulus = AX25_MODULUS;
ax25->window = AX25_DEF_WINDOW;
}
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,664 | static void ax25_fillin_cb_from_dev(ax25_cb *ax25, ax25_dev *ax25_dev)
{
ax25->rtt = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]) / 2;
ax25->t1 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]);
ax25->t2 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T2]);
ax25->t3 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T3]);
ax25->n2 = ax25_dev->values[AX25_VALUES_N2];
ax25->paclen = ax25_dev->values[AX25_VALUES_PACLEN];
ax25->idle = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_IDLE]);
ax25->backoff = ax25_dev->values[AX25_VALUES_BACKOFF];
if (ax25_dev->values[AX25_VALUES_AXDEFMODE]) {
ax25->modulus = AX25_EMODULUS;
ax25->window = ax25_dev->values[AX25_VALUES_EWINDOW];
} else {
ax25->modulus = AX25_MODULUS;
ax25->window = ax25_dev->values[AX25_VALUES_WINDOW];
}
}
| +Info | 0 | static void ax25_fillin_cb_from_dev(ax25_cb *ax25, ax25_dev *ax25_dev)
{
ax25->rtt = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]) / 2;
ax25->t1 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]);
ax25->t2 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T2]);
ax25->t3 = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T3]);
ax25->n2 = ax25_dev->values[AX25_VALUES_N2];
ax25->paclen = ax25_dev->values[AX25_VALUES_PACLEN];
ax25->idle = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_IDLE]);
ax25->backoff = ax25_dev->values[AX25_VALUES_BACKOFF];
if (ax25_dev->values[AX25_VALUES_AXDEFMODE]) {
ax25->modulus = AX25_EMODULUS;
ax25->window = ax25_dev->values[AX25_VALUES_EWINDOW];
} else {
ax25->modulus = AX25_MODULUS;
ax25->window = ax25_dev->values[AX25_VALUES_WINDOW];
}
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,665 | ax25_cb *ax25_find_cb(ax25_address *src_addr, ax25_address *dest_addr,
ax25_digi *digi, struct net_device *dev)
{
ax25_cb *s;
spin_lock_bh(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk && s->sk->sk_type != SOCK_SEQPACKET)
continue;
if (s->ax25_dev == NULL)
continue;
if (ax25cmp(&s->source_addr, src_addr) == 0 && ax25cmp(&s->dest_addr, dest_addr) == 0 && s->ax25_dev->dev == dev) {
if (digi != NULL && digi->ndigi != 0) {
if (s->digipeat == NULL)
continue;
if (ax25digicmp(s->digipeat, digi) != 0)
continue;
} else {
if (s->digipeat != NULL && s->digipeat->ndigi != 0)
continue;
}
ax25_cb_hold(s);
spin_unlock_bh(&ax25_list_lock);
return s;
}
}
spin_unlock_bh(&ax25_list_lock);
return NULL;
}
| +Info | 0 | ax25_cb *ax25_find_cb(ax25_address *src_addr, ax25_address *dest_addr,
ax25_digi *digi, struct net_device *dev)
{
ax25_cb *s;
spin_lock_bh(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk && s->sk->sk_type != SOCK_SEQPACKET)
continue;
if (s->ax25_dev == NULL)
continue;
if (ax25cmp(&s->source_addr, src_addr) == 0 && ax25cmp(&s->dest_addr, dest_addr) == 0 && s->ax25_dev->dev == dev) {
if (digi != NULL && digi->ndigi != 0) {
if (s->digipeat == NULL)
continue;
if (ax25digicmp(s->digipeat, digi) != 0)
continue;
} else {
if (s->digipeat != NULL && s->digipeat->ndigi != 0)
continue;
}
ax25_cb_hold(s);
spin_unlock_bh(&ax25_list_lock);
return s;
}
}
spin_unlock_bh(&ax25_list_lock);
return NULL;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,666 | struct sock *ax25_find_listener(ax25_address *addr, int digi,
struct net_device *dev, int type)
{
ax25_cb *s;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if ((s->iamdigi && !digi) || (!s->iamdigi && digi))
continue;
if (s->sk && !ax25cmp(&s->source_addr, addr) &&
s->sk->sk_type == type && s->sk->sk_state == TCP_LISTEN) {
/* If device is null we match any device */
if (s->ax25_dev == NULL || s->ax25_dev->dev == dev) {
sock_hold(s->sk);
spin_unlock(&ax25_list_lock);
return s->sk;
}
}
}
spin_unlock(&ax25_list_lock);
return NULL;
}
| +Info | 0 | struct sock *ax25_find_listener(ax25_address *addr, int digi,
struct net_device *dev, int type)
{
ax25_cb *s;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if ((s->iamdigi && !digi) || (!s->iamdigi && digi))
continue;
if (s->sk && !ax25cmp(&s->source_addr, addr) &&
s->sk->sk_type == type && s->sk->sk_state == TCP_LISTEN) {
/* If device is null we match any device */
if (s->ax25_dev == NULL || s->ax25_dev->dev == dev) {
sock_hold(s->sk);
spin_unlock(&ax25_list_lock);
return s->sk;
}
}
}
spin_unlock(&ax25_list_lock);
return NULL;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,667 | static void ax25_free_sock(struct sock *sk)
{
ax25_cb_put(ax25_sk(sk));
}
| +Info | 0 | static void ax25_free_sock(struct sock *sk)
{
ax25_cb_put(ax25_sk(sk));
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,668 | struct sock *ax25_get_socket(ax25_address *my_addr, ax25_address *dest_addr,
int type)
{
struct sock *sk = NULL;
ax25_cb *s;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk && !ax25cmp(&s->source_addr, my_addr) &&
!ax25cmp(&s->dest_addr, dest_addr) &&
s->sk->sk_type == type) {
sk = s->sk;
sock_hold(sk);
break;
}
}
spin_unlock(&ax25_list_lock);
return sk;
}
| +Info | 0 | struct sock *ax25_get_socket(ax25_address *my_addr, ax25_address *dest_addr,
int type)
{
struct sock *sk = NULL;
ax25_cb *s;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk && !ax25cmp(&s->source_addr, my_addr) &&
!ax25cmp(&s->dest_addr, dest_addr) &&
s->sk->sk_type == type) {
sk = s->sk;
sock_hold(sk);
break;
}
}
spin_unlock(&ax25_list_lock);
return sk;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,669 | static int ax25_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)uaddr;
struct sock *sk = sock->sk;
unsigned char ndigi, i;
ax25_cb *ax25;
int err = 0;
memset(fsa, 0, sizeof(*fsa));
lock_sock(sk);
ax25 = ax25_sk(sk);
if (peer != 0) {
if (sk->sk_state != TCP_ESTABLISHED) {
err = -ENOTCONN;
goto out;
}
fsa->fsa_ax25.sax25_family = AF_AX25;
fsa->fsa_ax25.sax25_call = ax25->dest_addr;
if (ax25->digipeat != NULL) {
ndigi = ax25->digipeat->ndigi;
fsa->fsa_ax25.sax25_ndigis = ndigi;
for (i = 0; i < ndigi; i++)
fsa->fsa_digipeater[i] =
ax25->digipeat->calls[i];
}
} else {
fsa->fsa_ax25.sax25_family = AF_AX25;
fsa->fsa_ax25.sax25_call = ax25->source_addr;
fsa->fsa_ax25.sax25_ndigis = 1;
if (ax25->ax25_dev != NULL) {
memcpy(&fsa->fsa_digipeater[0],
ax25->ax25_dev->dev->dev_addr, AX25_ADDR_LEN);
} else {
fsa->fsa_digipeater[0] = null_ax25_address;
}
}
*uaddr_len = sizeof (struct full_sockaddr_ax25);
out:
release_sock(sk);
return err;
}
| +Info | 0 | static int ax25_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)uaddr;
struct sock *sk = sock->sk;
unsigned char ndigi, i;
ax25_cb *ax25;
int err = 0;
memset(fsa, 0, sizeof(*fsa));
lock_sock(sk);
ax25 = ax25_sk(sk);
if (peer != 0) {
if (sk->sk_state != TCP_ESTABLISHED) {
err = -ENOTCONN;
goto out;
}
fsa->fsa_ax25.sax25_family = AF_AX25;
fsa->fsa_ax25.sax25_call = ax25->dest_addr;
if (ax25->digipeat != NULL) {
ndigi = ax25->digipeat->ndigi;
fsa->fsa_ax25.sax25_ndigis = ndigi;
for (i = 0; i < ndigi; i++)
fsa->fsa_digipeater[i] =
ax25->digipeat->calls[i];
}
} else {
fsa->fsa_ax25.sax25_family = AF_AX25;
fsa->fsa_ax25.sax25_call = ax25->source_addr;
fsa->fsa_ax25.sax25_ndigis = 1;
if (ax25->ax25_dev != NULL) {
memcpy(&fsa->fsa_digipeater[0],
ax25->ax25_dev->dev->dev_addr, AX25_ADDR_LEN);
} else {
fsa->fsa_digipeater[0] = null_ax25_address;
}
}
*uaddr_len = sizeof (struct full_sockaddr_ax25);
out:
release_sock(sk);
return err;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,670 | static void *ax25_info_next(struct seq_file *seq, void *v, loff_t *pos)
{
return seq_hlist_next(v, &ax25_list, pos);
}
| +Info | 0 | static void *ax25_info_next(struct seq_file *seq, void *v, loff_t *pos)
{
return seq_hlist_next(v, &ax25_list, pos);
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,671 | static int ax25_info_show(struct seq_file *seq, void *v)
{
ax25_cb *ax25 = hlist_entry(v, struct ax25_cb, ax25_node);
char buf[11];
int k;
/*
* New format:
* magic dev src_addr dest_addr,digi1,digi2,.. st vs vr va t1 t1 t2 t2 t3 t3 idle idle n2 n2 rtt window paclen Snd-Q Rcv-Q inode
*/
seq_printf(seq, "%8.8lx %s %s%s ",
(long) ax25,
ax25->ax25_dev == NULL? "???" : ax25->ax25_dev->dev->name,
ax2asc(buf, &ax25->source_addr),
ax25->iamdigi? "*":"");
seq_printf(seq, "%s", ax2asc(buf, &ax25->dest_addr));
for (k=0; (ax25->digipeat != NULL) && (k < ax25->digipeat->ndigi); k++) {
seq_printf(seq, ",%s%s",
ax2asc(buf, &ax25->digipeat->calls[k]),
ax25->digipeat->repeated[k]? "*":"");
}
seq_printf(seq, " %d %d %d %d %lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %d %d",
ax25->state,
ax25->vs, ax25->vr, ax25->va,
ax25_display_timer(&ax25->t1timer) / HZ, ax25->t1 / HZ,
ax25_display_timer(&ax25->t2timer) / HZ, ax25->t2 / HZ,
ax25_display_timer(&ax25->t3timer) / HZ, ax25->t3 / HZ,
ax25_display_timer(&ax25->idletimer) / (60 * HZ),
ax25->idle / (60 * HZ),
ax25->n2count, ax25->n2,
ax25->rtt / HZ,
ax25->window,
ax25->paclen);
if (ax25->sk != NULL) {
seq_printf(seq, " %d %d %lu\n",
sk_wmem_alloc_get(ax25->sk),
sk_rmem_alloc_get(ax25->sk),
sock_i_ino(ax25->sk));
} else {
seq_puts(seq, " * * *\n");
}
return 0;
}
| +Info | 0 | static int ax25_info_show(struct seq_file *seq, void *v)
{
ax25_cb *ax25 = hlist_entry(v, struct ax25_cb, ax25_node);
char buf[11];
int k;
/*
* New format:
* magic dev src_addr dest_addr,digi1,digi2,.. st vs vr va t1 t1 t2 t2 t3 t3 idle idle n2 n2 rtt window paclen Snd-Q Rcv-Q inode
*/
seq_printf(seq, "%8.8lx %s %s%s ",
(long) ax25,
ax25->ax25_dev == NULL? "???" : ax25->ax25_dev->dev->name,
ax2asc(buf, &ax25->source_addr),
ax25->iamdigi? "*":"");
seq_printf(seq, "%s", ax2asc(buf, &ax25->dest_addr));
for (k=0; (ax25->digipeat != NULL) && (k < ax25->digipeat->ndigi); k++) {
seq_printf(seq, ",%s%s",
ax2asc(buf, &ax25->digipeat->calls[k]),
ax25->digipeat->repeated[k]? "*":"");
}
seq_printf(seq, " %d %d %d %d %lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %d %d",
ax25->state,
ax25->vs, ax25->vr, ax25->va,
ax25_display_timer(&ax25->t1timer) / HZ, ax25->t1 / HZ,
ax25_display_timer(&ax25->t2timer) / HZ, ax25->t2 / HZ,
ax25_display_timer(&ax25->t3timer) / HZ, ax25->t3 / HZ,
ax25_display_timer(&ax25->idletimer) / (60 * HZ),
ax25->idle / (60 * HZ),
ax25->n2count, ax25->n2,
ax25->rtt / HZ,
ax25->window,
ax25->paclen);
if (ax25->sk != NULL) {
seq_printf(seq, " %d %d %lu\n",
sk_wmem_alloc_get(ax25->sk),
sk_rmem_alloc_get(ax25->sk),
sock_i_ino(ax25->sk));
} else {
seq_puts(seq, " * * *\n");
}
return 0;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,672 | static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
int res = 0;
lock_sock(sk);
switch (cmd) {
case TIOCOUTQ: {
long amount;
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
res = put_user(amount, (int __user *)argp);
break;
}
case TIOCINQ: {
struct sk_buff *skb;
long amount = 0L;
/* These two are safe on a single CPU system as only user tasks fiddle here */
if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
amount = skb->len;
res = put_user(amount, (int __user *) argp);
break;
}
case SIOCGSTAMP:
res = sock_get_timestamp(sk, argp);
break;
case SIOCGSTAMPNS:
res = sock_get_timestampns(sk, argp);
break;
case SIOCAX25ADDUID: /* Add a uid to the uid/call map table */
case SIOCAX25DELUID: /* Delete a uid from the uid/call map table */
case SIOCAX25GETUID: {
struct sockaddr_ax25 sax25;
if (copy_from_user(&sax25, argp, sizeof(sax25))) {
res = -EFAULT;
break;
}
res = ax25_uid_ioctl(cmd, &sax25);
break;
}
case SIOCAX25NOUID: { /* Set the default policy (default/bar) */
long amount;
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
if (get_user(amount, (long __user *)argp)) {
res = -EFAULT;
break;
}
if (amount > AX25_NOUID_BLOCK) {
res = -EINVAL;
break;
}
ax25_uid_policy = amount;
res = 0;
break;
}
case SIOCADDRT:
case SIOCDELRT:
case SIOCAX25OPTRT:
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
res = ax25_rt_ioctl(cmd, argp);
break;
case SIOCAX25CTLCON:
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
res = ax25_ctl_ioctl(cmd, argp);
break;
case SIOCAX25GETINFO:
case SIOCAX25GETINFOOLD: {
ax25_cb *ax25 = ax25_sk(sk);
struct ax25_info_struct ax25_info;
ax25_info.t1 = ax25->t1 / HZ;
ax25_info.t2 = ax25->t2 / HZ;
ax25_info.t3 = ax25->t3 / HZ;
ax25_info.idle = ax25->idle / (60 * HZ);
ax25_info.n2 = ax25->n2;
ax25_info.t1timer = ax25_display_timer(&ax25->t1timer) / HZ;
ax25_info.t2timer = ax25_display_timer(&ax25->t2timer) / HZ;
ax25_info.t3timer = ax25_display_timer(&ax25->t3timer) / HZ;
ax25_info.idletimer = ax25_display_timer(&ax25->idletimer) / (60 * HZ);
ax25_info.n2count = ax25->n2count;
ax25_info.state = ax25->state;
ax25_info.rcv_q = sk_rmem_alloc_get(sk);
ax25_info.snd_q = sk_wmem_alloc_get(sk);
ax25_info.vs = ax25->vs;
ax25_info.vr = ax25->vr;
ax25_info.va = ax25->va;
ax25_info.vs_max = ax25->vs; /* reserved */
ax25_info.paclen = ax25->paclen;
ax25_info.window = ax25->window;
/* old structure? */
if (cmd == SIOCAX25GETINFOOLD) {
static int warned = 0;
if (!warned) {
printk(KERN_INFO "%s uses old SIOCAX25GETINFO\n",
current->comm);
warned=1;
}
if (copy_to_user(argp, &ax25_info, sizeof(struct ax25_info_struct_deprecated))) {
res = -EFAULT;
break;
}
} else {
if (copy_to_user(argp, &ax25_info, sizeof(struct ax25_info_struct))) {
res = -EINVAL;
break;
}
}
res = 0;
break;
}
case SIOCAX25ADDFWD:
case SIOCAX25DELFWD: {
struct ax25_fwd_struct ax25_fwd;
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
if (copy_from_user(&ax25_fwd, argp, sizeof(ax25_fwd))) {
res = -EFAULT;
break;
}
res = ax25_fwd_ioctl(cmd, &ax25_fwd);
break;
}
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCGIFDSTADDR:
case SIOCSIFDSTADDR:
case SIOCGIFBRDADDR:
case SIOCSIFBRDADDR:
case SIOCGIFNETMASK:
case SIOCSIFNETMASK:
case SIOCGIFMETRIC:
case SIOCSIFMETRIC:
res = -EINVAL;
break;
default:
res = -ENOIOCTLCMD;
break;
}
release_sock(sk);
return res;
}
| +Info | 0 | static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
int res = 0;
lock_sock(sk);
switch (cmd) {
case TIOCOUTQ: {
long amount;
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
res = put_user(amount, (int __user *)argp);
break;
}
case TIOCINQ: {
struct sk_buff *skb;
long amount = 0L;
/* These two are safe on a single CPU system as only user tasks fiddle here */
if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
amount = skb->len;
res = put_user(amount, (int __user *) argp);
break;
}
case SIOCGSTAMP:
res = sock_get_timestamp(sk, argp);
break;
case SIOCGSTAMPNS:
res = sock_get_timestampns(sk, argp);
break;
case SIOCAX25ADDUID: /* Add a uid to the uid/call map table */
case SIOCAX25DELUID: /* Delete a uid from the uid/call map table */
case SIOCAX25GETUID: {
struct sockaddr_ax25 sax25;
if (copy_from_user(&sax25, argp, sizeof(sax25))) {
res = -EFAULT;
break;
}
res = ax25_uid_ioctl(cmd, &sax25);
break;
}
case SIOCAX25NOUID: { /* Set the default policy (default/bar) */
long amount;
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
if (get_user(amount, (long __user *)argp)) {
res = -EFAULT;
break;
}
if (amount > AX25_NOUID_BLOCK) {
res = -EINVAL;
break;
}
ax25_uid_policy = amount;
res = 0;
break;
}
case SIOCADDRT:
case SIOCDELRT:
case SIOCAX25OPTRT:
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
res = ax25_rt_ioctl(cmd, argp);
break;
case SIOCAX25CTLCON:
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
res = ax25_ctl_ioctl(cmd, argp);
break;
case SIOCAX25GETINFO:
case SIOCAX25GETINFOOLD: {
ax25_cb *ax25 = ax25_sk(sk);
struct ax25_info_struct ax25_info;
ax25_info.t1 = ax25->t1 / HZ;
ax25_info.t2 = ax25->t2 / HZ;
ax25_info.t3 = ax25->t3 / HZ;
ax25_info.idle = ax25->idle / (60 * HZ);
ax25_info.n2 = ax25->n2;
ax25_info.t1timer = ax25_display_timer(&ax25->t1timer) / HZ;
ax25_info.t2timer = ax25_display_timer(&ax25->t2timer) / HZ;
ax25_info.t3timer = ax25_display_timer(&ax25->t3timer) / HZ;
ax25_info.idletimer = ax25_display_timer(&ax25->idletimer) / (60 * HZ);
ax25_info.n2count = ax25->n2count;
ax25_info.state = ax25->state;
ax25_info.rcv_q = sk_rmem_alloc_get(sk);
ax25_info.snd_q = sk_wmem_alloc_get(sk);
ax25_info.vs = ax25->vs;
ax25_info.vr = ax25->vr;
ax25_info.va = ax25->va;
ax25_info.vs_max = ax25->vs; /* reserved */
ax25_info.paclen = ax25->paclen;
ax25_info.window = ax25->window;
/* old structure? */
if (cmd == SIOCAX25GETINFOOLD) {
static int warned = 0;
if (!warned) {
printk(KERN_INFO "%s uses old SIOCAX25GETINFO\n",
current->comm);
warned=1;
}
if (copy_to_user(argp, &ax25_info, sizeof(struct ax25_info_struct_deprecated))) {
res = -EFAULT;
break;
}
} else {
if (copy_to_user(argp, &ax25_info, sizeof(struct ax25_info_struct))) {
res = -EINVAL;
break;
}
}
res = 0;
break;
}
case SIOCAX25ADDFWD:
case SIOCAX25DELFWD: {
struct ax25_fwd_struct ax25_fwd;
if (!capable(CAP_NET_ADMIN)) {
res = -EPERM;
break;
}
if (copy_from_user(&ax25_fwd, argp, sizeof(ax25_fwd))) {
res = -EFAULT;
break;
}
res = ax25_fwd_ioctl(cmd, &ax25_fwd);
break;
}
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCGIFDSTADDR:
case SIOCSIFDSTADDR:
case SIOCGIFBRDADDR:
case SIOCSIFBRDADDR:
case SIOCGIFNETMASK:
case SIOCSIFNETMASK:
case SIOCGIFMETRIC:
case SIOCSIFMETRIC:
res = -EINVAL;
break;
default:
res = -ENOIOCTLCMD;
break;
}
release_sock(sk);
return res;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,673 | static void ax25_kill_by_device(struct net_device *dev)
{
ax25_dev *ax25_dev;
ax25_cb *s;
if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL)
return;
spin_lock_bh(&ax25_list_lock);
again:
ax25_for_each(s, &ax25_list) {
if (s->ax25_dev == ax25_dev) {
s->ax25_dev = NULL;
spin_unlock_bh(&ax25_list_lock);
ax25_disconnect(s, ENETUNREACH);
spin_lock_bh(&ax25_list_lock);
/* The entry could have been deleted from the
* list meanwhile and thus the next pointer is
* no longer valid. Play it safe and restart
* the scan. Forward progress is ensured
* because we set s->ax25_dev to NULL and we
* are never passed a NULL 'dev' argument.
*/
goto again;
}
}
spin_unlock_bh(&ax25_list_lock);
}
| +Info | 0 | static void ax25_kill_by_device(struct net_device *dev)
{
ax25_dev *ax25_dev;
ax25_cb *s;
if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL)
return;
spin_lock_bh(&ax25_list_lock);
again:
ax25_for_each(s, &ax25_list) {
if (s->ax25_dev == ax25_dev) {
s->ax25_dev = NULL;
spin_unlock_bh(&ax25_list_lock);
ax25_disconnect(s, ENETUNREACH);
spin_lock_bh(&ax25_list_lock);
/* The entry could have been deleted from the
* list meanwhile and thus the next pointer is
* no longer valid. Play it safe and restart
* the scan. Forward progress is ensured
* because we set s->ax25_dev to NULL and we
* are never passed a NULL 'dev' argument.
*/
goto again;
}
}
spin_unlock_bh(&ax25_list_lock);
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,674 | static int ax25_release(struct socket *sock)
{
struct sock *sk = sock->sk;
ax25_cb *ax25;
if (sk == NULL)
return 0;
sock_hold(sk);
sock_orphan(sk);
lock_sock(sk);
ax25 = ax25_sk(sk);
if (sk->sk_type == SOCK_SEQPACKET) {
switch (ax25->state) {
case AX25_STATE_0:
release_sock(sk);
ax25_disconnect(ax25, 0);
lock_sock(sk);
ax25_destroy_socket(ax25);
break;
case AX25_STATE_1:
case AX25_STATE_2:
ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
release_sock(sk);
ax25_disconnect(ax25, 0);
lock_sock(sk);
ax25_destroy_socket(ax25);
break;
case AX25_STATE_3:
case AX25_STATE_4:
ax25_clear_queues(ax25);
ax25->n2count = 0;
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
case AX25_PROTO_STD_SIMPLEX:
case AX25_PROTO_STD_DUPLEX:
ax25_send_control(ax25,
AX25_DISC,
AX25_POLLON,
AX25_COMMAND);
ax25_stop_t2timer(ax25);
ax25_stop_t3timer(ax25);
ax25_stop_idletimer(ax25);
break;
#ifdef CONFIG_AX25_DAMA_SLAVE
case AX25_PROTO_DAMA_SLAVE:
ax25_stop_t3timer(ax25);
ax25_stop_idletimer(ax25);
break;
#endif
}
ax25_calculate_t1(ax25);
ax25_start_t1timer(ax25);
ax25->state = AX25_STATE_2;
sk->sk_state = TCP_CLOSE;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
sock_set_flag(sk, SOCK_DESTROY);
break;
default:
break;
}
} else {
sk->sk_state = TCP_CLOSE;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
ax25_destroy_socket(ax25);
}
sock->sk = NULL;
release_sock(sk);
sock_put(sk);
return 0;
}
| +Info | 0 | static int ax25_release(struct socket *sock)
{
struct sock *sk = sock->sk;
ax25_cb *ax25;
if (sk == NULL)
return 0;
sock_hold(sk);
sock_orphan(sk);
lock_sock(sk);
ax25 = ax25_sk(sk);
if (sk->sk_type == SOCK_SEQPACKET) {
switch (ax25->state) {
case AX25_STATE_0:
release_sock(sk);
ax25_disconnect(ax25, 0);
lock_sock(sk);
ax25_destroy_socket(ax25);
break;
case AX25_STATE_1:
case AX25_STATE_2:
ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
release_sock(sk);
ax25_disconnect(ax25, 0);
lock_sock(sk);
ax25_destroy_socket(ax25);
break;
case AX25_STATE_3:
case AX25_STATE_4:
ax25_clear_queues(ax25);
ax25->n2count = 0;
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
case AX25_PROTO_STD_SIMPLEX:
case AX25_PROTO_STD_DUPLEX:
ax25_send_control(ax25,
AX25_DISC,
AX25_POLLON,
AX25_COMMAND);
ax25_stop_t2timer(ax25);
ax25_stop_t3timer(ax25);
ax25_stop_idletimer(ax25);
break;
#ifdef CONFIG_AX25_DAMA_SLAVE
case AX25_PROTO_DAMA_SLAVE:
ax25_stop_t3timer(ax25);
ax25_stop_idletimer(ax25);
break;
#endif
}
ax25_calculate_t1(ax25);
ax25_start_t1timer(ax25);
ax25->state = AX25_STATE_2;
sk->sk_state = TCP_CLOSE;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
sock_set_flag(sk, SOCK_DESTROY);
break;
default:
break;
}
} else {
sk->sk_state = TCP_CLOSE;
sk->sk_shutdown |= SEND_SHUTDOWN;
sk->sk_state_change(sk);
ax25_destroy_socket(ax25);
}
sock->sk = NULL;
release_sock(sk);
sock_put(sk);
return 0;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,675 | void ax25_send_to_raw(ax25_address *addr, struct sk_buff *skb, int proto)
{
ax25_cb *s;
struct sk_buff *copy;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk != NULL && ax25cmp(&s->source_addr, addr) == 0 &&
s->sk->sk_type == SOCK_RAW &&
s->sk->sk_protocol == proto &&
s->ax25_dev->dev == skb->dev &&
atomic_read(&s->sk->sk_rmem_alloc) <= s->sk->sk_rcvbuf) {
if ((copy = skb_clone(skb, GFP_ATOMIC)) == NULL)
continue;
if (sock_queue_rcv_skb(s->sk, copy) != 0)
kfree_skb(copy);
}
}
spin_unlock(&ax25_list_lock);
}
| +Info | 0 | void ax25_send_to_raw(ax25_address *addr, struct sk_buff *skb, int proto)
{
ax25_cb *s;
struct sk_buff *copy;
spin_lock(&ax25_list_lock);
ax25_for_each(s, &ax25_list) {
if (s->sk != NULL && ax25cmp(&s->source_addr, addr) == 0 &&
s->sk->sk_type == SOCK_RAW &&
s->sk->sk_protocol == proto &&
s->ax25_dev->dev == skb->dev &&
atomic_read(&s->sk->sk_rmem_alloc) <= s->sk->sk_rcvbuf) {
if ((copy = skb_clone(skb, GFP_ATOMIC)) == NULL)
continue;
if (sock_queue_rcv_skb(s->sk, copy) != 0)
kfree_skb(copy);
}
}
spin_unlock(&ax25_list_lock);
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,676 | static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sockaddr_ax25 *usax = (struct sockaddr_ax25 *)msg->msg_name;
struct sock *sk = sock->sk;
struct sockaddr_ax25 sax;
struct sk_buff *skb;
ax25_digi dtmp, *dp;
ax25_cb *ax25;
size_t size;
int lv, err, addr_len = msg->msg_namelen;
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
return -EINVAL;
lock_sock(sk);
ax25 = ax25_sk(sk);
if (sock_flag(sk, SOCK_ZAPPED)) {
err = -EADDRNOTAVAIL;
goto out;
}
if (sk->sk_shutdown & SEND_SHUTDOWN) {
send_sig(SIGPIPE, current, 0);
err = -EPIPE;
goto out;
}
if (ax25->ax25_dev == NULL) {
err = -ENETUNREACH;
goto out;
}
if (len > ax25->ax25_dev->dev->mtu) {
err = -EMSGSIZE;
goto out;
}
if (usax != NULL) {
if (usax->sax25_family != AF_AX25) {
err = -EINVAL;
goto out;
}
if (addr_len == sizeof(struct sockaddr_ax25))
/* ax25_sendmsg(): uses obsolete socket structure */
;
else if (addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_sendmsg(): uses old (6 digipeater)
* socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25))) {
err = -EINVAL;
goto out;
}
if (addr_len > sizeof(struct sockaddr_ax25) && usax->sax25_ndigis != 0) {
int ct = 0;
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)usax;
/* Valid number of digipeaters ? */
if (usax->sax25_ndigis < 1 || usax->sax25_ndigis > AX25_MAX_DIGIS) {
err = -EINVAL;
goto out;
}
dtmp.ndigi = usax->sax25_ndigis;
while (ct < usax->sax25_ndigis) {
dtmp.repeated[ct] = 0;
dtmp.calls[ct] = fsa->fsa_digipeater[ct];
ct++;
}
dtmp.lastrepeat = 0;
}
sax = *usax;
if (sk->sk_type == SOCK_SEQPACKET &&
ax25cmp(&ax25->dest_addr, &sax.sax25_call)) {
err = -EISCONN;
goto out;
}
if (usax->sax25_ndigis == 0)
dp = NULL;
else
dp = &dtmp;
} else {
/*
* FIXME: 1003.1g - if the socket is like this because
* it has become closed (not started closed) and is VC
* we ought to SIGPIPE, EPIPE
*/
if (sk->sk_state != TCP_ESTABLISHED) {
err = -ENOTCONN;
goto out;
}
sax.sax25_family = AF_AX25;
sax.sax25_call = ax25->dest_addr;
dp = ax25->digipeat;
}
/* Build a packet */
/* Assume the worst case */
size = len + ax25->ax25_dev->dev->hard_header_len;
skb = sock_alloc_send_skb(sk, size, msg->msg_flags&MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
skb_reserve(skb, size - len);
/* User data follows immediately after the AX.25 data */
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
err = -EFAULT;
kfree_skb(skb);
goto out;
}
skb_reset_network_header(skb);
/* Add the PID if one is not supplied by the user in the skb */
if (!ax25->pidincl)
*skb_push(skb, 1) = sk->sk_protocol;
if (sk->sk_type == SOCK_SEQPACKET) {
/* Connected mode sockets go via the LAPB machine */
if (sk->sk_state != TCP_ESTABLISHED) {
kfree_skb(skb);
err = -ENOTCONN;
goto out;
}
/* Shove it onto the queue and kick */
ax25_output(ax25, ax25->paclen, skb);
err = len;
goto out;
}
skb_push(skb, 1 + ax25_addr_size(dp));
/* Building AX.25 Header */
/* Build an AX.25 header */
lv = ax25_addr_build(skb->data, &ax25->source_addr, &sax.sax25_call,
dp, AX25_COMMAND, AX25_MODULUS);
skb_set_transport_header(skb, lv);
*skb_transport_header(skb) = AX25_UI;
/* Datagram frames go straight out of the door as UI */
ax25_queue_xmit(skb, ax25->ax25_dev->dev);
err = len;
out:
release_sock(sk);
return err;
}
| +Info | 0 | static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sockaddr_ax25 *usax = (struct sockaddr_ax25 *)msg->msg_name;
struct sock *sk = sock->sk;
struct sockaddr_ax25 sax;
struct sk_buff *skb;
ax25_digi dtmp, *dp;
ax25_cb *ax25;
size_t size;
int lv, err, addr_len = msg->msg_namelen;
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
return -EINVAL;
lock_sock(sk);
ax25 = ax25_sk(sk);
if (sock_flag(sk, SOCK_ZAPPED)) {
err = -EADDRNOTAVAIL;
goto out;
}
if (sk->sk_shutdown & SEND_SHUTDOWN) {
send_sig(SIGPIPE, current, 0);
err = -EPIPE;
goto out;
}
if (ax25->ax25_dev == NULL) {
err = -ENETUNREACH;
goto out;
}
if (len > ax25->ax25_dev->dev->mtu) {
err = -EMSGSIZE;
goto out;
}
if (usax != NULL) {
if (usax->sax25_family != AF_AX25) {
err = -EINVAL;
goto out;
}
if (addr_len == sizeof(struct sockaddr_ax25))
/* ax25_sendmsg(): uses obsolete socket structure */
;
else if (addr_len != sizeof(struct full_sockaddr_ax25))
/* support for old structure may go away some time
* ax25_sendmsg(): uses old (6 digipeater)
* socket structure.
*/
if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) ||
(addr_len > sizeof(struct full_sockaddr_ax25))) {
err = -EINVAL;
goto out;
}
if (addr_len > sizeof(struct sockaddr_ax25) && usax->sax25_ndigis != 0) {
int ct = 0;
struct full_sockaddr_ax25 *fsa = (struct full_sockaddr_ax25 *)usax;
/* Valid number of digipeaters ? */
if (usax->sax25_ndigis < 1 || usax->sax25_ndigis > AX25_MAX_DIGIS) {
err = -EINVAL;
goto out;
}
dtmp.ndigi = usax->sax25_ndigis;
while (ct < usax->sax25_ndigis) {
dtmp.repeated[ct] = 0;
dtmp.calls[ct] = fsa->fsa_digipeater[ct];
ct++;
}
dtmp.lastrepeat = 0;
}
sax = *usax;
if (sk->sk_type == SOCK_SEQPACKET &&
ax25cmp(&ax25->dest_addr, &sax.sax25_call)) {
err = -EISCONN;
goto out;
}
if (usax->sax25_ndigis == 0)
dp = NULL;
else
dp = &dtmp;
} else {
/*
* FIXME: 1003.1g - if the socket is like this because
* it has become closed (not started closed) and is VC
* we ought to SIGPIPE, EPIPE
*/
if (sk->sk_state != TCP_ESTABLISHED) {
err = -ENOTCONN;
goto out;
}
sax.sax25_family = AF_AX25;
sax.sax25_call = ax25->dest_addr;
dp = ax25->digipeat;
}
/* Build a packet */
/* Assume the worst case */
size = len + ax25->ax25_dev->dev->hard_header_len;
skb = sock_alloc_send_skb(sk, size, msg->msg_flags&MSG_DONTWAIT, &err);
if (skb == NULL)
goto out;
skb_reserve(skb, size - len);
/* User data follows immediately after the AX.25 data */
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
err = -EFAULT;
kfree_skb(skb);
goto out;
}
skb_reset_network_header(skb);
/* Add the PID if one is not supplied by the user in the skb */
if (!ax25->pidincl)
*skb_push(skb, 1) = sk->sk_protocol;
if (sk->sk_type == SOCK_SEQPACKET) {
/* Connected mode sockets go via the LAPB machine */
if (sk->sk_state != TCP_ESTABLISHED) {
kfree_skb(skb);
err = -ENOTCONN;
goto out;
}
/* Shove it onto the queue and kick */
ax25_output(ax25, ax25->paclen, skb);
err = len;
goto out;
}
skb_push(skb, 1 + ax25_addr_size(dp));
/* Building AX.25 Header */
/* Build an AX.25 header */
lv = ax25_addr_build(skb->data, &ax25->source_addr, &sax.sax25_call,
dp, AX25_COMMAND, AX25_MODULUS);
skb_set_transport_header(skb, lv);
*skb_transport_header(skb) = AX25_UI;
/* Datagram frames go straight out of the door as UI */
ax25_queue_xmit(skb, ax25->ax25_dev->dev);
err = len;
out:
release_sock(sk);
return err;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,677 | static int ax25_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
ax25_cb *ax25;
struct net_device *dev;
char devname[IFNAMSIZ];
unsigned long opt;
int res = 0;
if (level != SOL_AX25)
return -ENOPROTOOPT;
if (optlen < sizeof(unsigned int))
return -EINVAL;
if (get_user(opt, (unsigned int __user *)optval))
return -EFAULT;
lock_sock(sk);
ax25 = ax25_sk(sk);
switch (optname) {
case AX25_WINDOW:
if (ax25->modulus == AX25_MODULUS) {
if (opt < 1 || opt > 7) {
res = -EINVAL;
break;
}
} else {
if (opt < 1 || opt > 63) {
res = -EINVAL;
break;
}
}
ax25->window = opt;
break;
case AX25_T1:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->rtt = (opt * HZ) >> 1;
ax25->t1 = opt * HZ;
break;
case AX25_T2:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->t2 = opt * HZ;
break;
case AX25_N2:
if (opt < 1 || opt > 31) {
res = -EINVAL;
break;
}
ax25->n2 = opt;
break;
case AX25_T3:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->t3 = opt * HZ;
break;
case AX25_IDLE:
if (opt > ULONG_MAX / (60 * HZ)) {
res = -EINVAL;
break;
}
ax25->idle = opt * 60 * HZ;
break;
case AX25_BACKOFF:
if (opt > 2) {
res = -EINVAL;
break;
}
ax25->backoff = opt;
break;
case AX25_EXTSEQ:
ax25->modulus = opt ? AX25_EMODULUS : AX25_MODULUS;
break;
case AX25_PIDINCL:
ax25->pidincl = opt ? 1 : 0;
break;
case AX25_IAMDIGI:
ax25->iamdigi = opt ? 1 : 0;
break;
case AX25_PACLEN:
if (opt < 16 || opt > 65535) {
res = -EINVAL;
break;
}
ax25->paclen = opt;
break;
case SO_BINDTODEVICE:
if (optlen > IFNAMSIZ)
optlen = IFNAMSIZ;
if (copy_from_user(devname, optval, optlen)) {
res = -EFAULT;
break;
}
if (sk->sk_type == SOCK_SEQPACKET &&
(sock->state != SS_UNCONNECTED ||
sk->sk_state == TCP_LISTEN)) {
res = -EADDRNOTAVAIL;
break;
}
dev = dev_get_by_name(&init_net, devname);
if (!dev) {
res = -ENODEV;
break;
}
ax25->ax25_dev = ax25_dev_ax25dev(dev);
ax25_fillin_cb(ax25, ax25->ax25_dev);
dev_put(dev);
break;
default:
res = -ENOPROTOOPT;
}
release_sock(sk);
return res;
}
| +Info | 0 | static int ax25_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
ax25_cb *ax25;
struct net_device *dev;
char devname[IFNAMSIZ];
unsigned long opt;
int res = 0;
if (level != SOL_AX25)
return -ENOPROTOOPT;
if (optlen < sizeof(unsigned int))
return -EINVAL;
if (get_user(opt, (unsigned int __user *)optval))
return -EFAULT;
lock_sock(sk);
ax25 = ax25_sk(sk);
switch (optname) {
case AX25_WINDOW:
if (ax25->modulus == AX25_MODULUS) {
if (opt < 1 || opt > 7) {
res = -EINVAL;
break;
}
} else {
if (opt < 1 || opt > 63) {
res = -EINVAL;
break;
}
}
ax25->window = opt;
break;
case AX25_T1:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->rtt = (opt * HZ) >> 1;
ax25->t1 = opt * HZ;
break;
case AX25_T2:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->t2 = opt * HZ;
break;
case AX25_N2:
if (opt < 1 || opt > 31) {
res = -EINVAL;
break;
}
ax25->n2 = opt;
break;
case AX25_T3:
if (opt < 1 || opt > ULONG_MAX / HZ) {
res = -EINVAL;
break;
}
ax25->t3 = opt * HZ;
break;
case AX25_IDLE:
if (opt > ULONG_MAX / (60 * HZ)) {
res = -EINVAL;
break;
}
ax25->idle = opt * 60 * HZ;
break;
case AX25_BACKOFF:
if (opt > 2) {
res = -EINVAL;
break;
}
ax25->backoff = opt;
break;
case AX25_EXTSEQ:
ax25->modulus = opt ? AX25_EMODULUS : AX25_MODULUS;
break;
case AX25_PIDINCL:
ax25->pidincl = opt ? 1 : 0;
break;
case AX25_IAMDIGI:
ax25->iamdigi = opt ? 1 : 0;
break;
case AX25_PACLEN:
if (opt < 16 || opt > 65535) {
res = -EINVAL;
break;
}
ax25->paclen = opt;
break;
case SO_BINDTODEVICE:
if (optlen > IFNAMSIZ)
optlen = IFNAMSIZ;
if (copy_from_user(devname, optval, optlen)) {
res = -EFAULT;
break;
}
if (sk->sk_type == SOCK_SEQPACKET &&
(sock->state != SS_UNCONNECTED ||
sk->sk_state == TCP_LISTEN)) {
res = -EADDRNOTAVAIL;
break;
}
dev = dev_get_by_name(&init_net, devname);
if (!dev) {
res = -ENODEV;
break;
}
ax25->ax25_dev = ax25_dev_ax25dev(dev);
ax25_fillin_cb(ax25, ax25->ax25_dev);
dev_put(dev);
break;
default:
res = -ENOPROTOOPT;
}
release_sock(sk);
return res;
}
| @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
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; | CWE-200 | null | null |
24,678 | static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi,
int vci)
{
struct sock *sk = sk_atm(vcc);
int error;
if ((vpi != ATM_VPI_UNSPEC && vpi != ATM_VPI_ANY &&
vpi >> dev->ci_range.vpi_bits) || (vci != ATM_VCI_UNSPEC &&
vci != ATM_VCI_ANY && vci >> dev->ci_range.vci_bits))
return -EINVAL;
if (vci > 0 && vci < ATM_NOT_RSV_VCI && !capable(CAP_NET_BIND_SERVICE))
return -EPERM;
error = -ENODEV;
if (!try_module_get(dev->ops->owner))
return error;
vcc->dev = dev;
write_lock_irq(&vcc_sklist_lock);
if (test_bit(ATM_DF_REMOVED, &dev->flags) ||
(error = find_ci(vcc, &vpi, &vci))) {
write_unlock_irq(&vcc_sklist_lock);
goto fail_module_put;
}
vcc->vpi = vpi;
vcc->vci = vci;
__vcc_insert_socket(sk);
write_unlock_irq(&vcc_sklist_lock);
switch (vcc->qos.aal) {
case ATM_AAL0:
error = atm_init_aal0(vcc);
vcc->stats = &dev->stats.aal0;
break;
case ATM_AAL34:
error = atm_init_aal34(vcc);
vcc->stats = &dev->stats.aal34;
break;
case ATM_NO_AAL:
/* ATM_AAL5 is also used in the "0 for default" case */
vcc->qos.aal = ATM_AAL5;
/* fall through */
case ATM_AAL5:
error = atm_init_aal5(vcc);
vcc->stats = &dev->stats.aal5;
break;
default:
error = -EPROTOTYPE;
}
if (!error)
error = adjust_tp(&vcc->qos.txtp, vcc->qos.aal);
if (!error)
error = adjust_tp(&vcc->qos.rxtp, vcc->qos.aal);
if (error)
goto fail;
pr_debug("VCC %d.%d, AAL %d\n", vpi, vci, vcc->qos.aal);
pr_debug(" TX: %d, PCR %d..%d, SDU %d\n",
vcc->qos.txtp.traffic_class,
vcc->qos.txtp.min_pcr,
vcc->qos.txtp.max_pcr,
vcc->qos.txtp.max_sdu);
pr_debug(" RX: %d, PCR %d..%d, SDU %d\n",
vcc->qos.rxtp.traffic_class,
vcc->qos.rxtp.min_pcr,
vcc->qos.rxtp.max_pcr,
vcc->qos.rxtp.max_sdu);
if (dev->ops->open) {
error = dev->ops->open(vcc);
if (error)
goto fail;
}
return 0;
fail:
vcc_remove_socket(sk);
fail_module_put:
module_put(dev->ops->owner);
/* ensure we get dev module ref count correct */
vcc->dev = NULL;
return error;
}
| +Info | 0 | static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi,
int vci)
{
struct sock *sk = sk_atm(vcc);
int error;
if ((vpi != ATM_VPI_UNSPEC && vpi != ATM_VPI_ANY &&
vpi >> dev->ci_range.vpi_bits) || (vci != ATM_VCI_UNSPEC &&
vci != ATM_VCI_ANY && vci >> dev->ci_range.vci_bits))
return -EINVAL;
if (vci > 0 && vci < ATM_NOT_RSV_VCI && !capable(CAP_NET_BIND_SERVICE))
return -EPERM;
error = -ENODEV;
if (!try_module_get(dev->ops->owner))
return error;
vcc->dev = dev;
write_lock_irq(&vcc_sklist_lock);
if (test_bit(ATM_DF_REMOVED, &dev->flags) ||
(error = find_ci(vcc, &vpi, &vci))) {
write_unlock_irq(&vcc_sklist_lock);
goto fail_module_put;
}
vcc->vpi = vpi;
vcc->vci = vci;
__vcc_insert_socket(sk);
write_unlock_irq(&vcc_sklist_lock);
switch (vcc->qos.aal) {
case ATM_AAL0:
error = atm_init_aal0(vcc);
vcc->stats = &dev->stats.aal0;
break;
case ATM_AAL34:
error = atm_init_aal34(vcc);
vcc->stats = &dev->stats.aal34;
break;
case ATM_NO_AAL:
/* ATM_AAL5 is also used in the "0 for default" case */
vcc->qos.aal = ATM_AAL5;
/* fall through */
case ATM_AAL5:
error = atm_init_aal5(vcc);
vcc->stats = &dev->stats.aal5;
break;
default:
error = -EPROTOTYPE;
}
if (!error)
error = adjust_tp(&vcc->qos.txtp, vcc->qos.aal);
if (!error)
error = adjust_tp(&vcc->qos.rxtp, vcc->qos.aal);
if (error)
goto fail;
pr_debug("VCC %d.%d, AAL %d\n", vpi, vci, vcc->qos.aal);
pr_debug(" TX: %d, PCR %d..%d, SDU %d\n",
vcc->qos.txtp.traffic_class,
vcc->qos.txtp.min_pcr,
vcc->qos.txtp.max_pcr,
vcc->qos.txtp.max_sdu);
pr_debug(" RX: %d, PCR %d..%d, SDU %d\n",
vcc->qos.rxtp.traffic_class,
vcc->qos.rxtp.min_pcr,
vcc->qos.rxtp.max_pcr,
vcc->qos.rxtp.max_sdu);
if (dev->ops->open) {
error = dev->ops->open(vcc);
if (error)
goto fail;
}
return 0;
fail:
vcc_remove_socket(sk);
fail_module_put:
module_put(dev->ops->owner);
/* ensure we get dev module ref count correct */
vcc->dev = NULL;
return error;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,679 | static void __vcc_insert_socket(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
struct hlist_head *head = &vcc_hash[vcc->vci & (VCC_HTABLE_SIZE - 1)];
sk->sk_hash = vcc->vci & (VCC_HTABLE_SIZE - 1);
sk_add_node(sk, head);
}
| +Info | 0 | static void __vcc_insert_socket(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
struct hlist_head *head = &vcc_hash[vcc->vci & (VCC_HTABLE_SIZE - 1)];
sk->sk_hash = vcc->vci & (VCC_HTABLE_SIZE - 1);
sk_add_node(sk, head);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,680 | static int atm_change_qos(struct atm_vcc *vcc, struct atm_qos *qos)
{
int error;
/*
* Don't let the QoS change the already connected AAL type nor the
* traffic class.
*/
if (qos->aal != vcc->qos.aal ||
qos->rxtp.traffic_class != vcc->qos.rxtp.traffic_class ||
qos->txtp.traffic_class != vcc->qos.txtp.traffic_class)
return -EINVAL;
error = adjust_tp(&qos->txtp, qos->aal);
if (!error)
error = adjust_tp(&qos->rxtp, qos->aal);
if (error)
return error;
if (!vcc->dev->ops->change_qos)
return -EOPNOTSUPP;
if (sk_atm(vcc)->sk_family == AF_ATMPVC)
return vcc->dev->ops->change_qos(vcc, qos, ATM_MF_SET);
return svc_change_qos(vcc, qos);
}
| +Info | 0 | static int atm_change_qos(struct atm_vcc *vcc, struct atm_qos *qos)
{
int error;
/*
* Don't let the QoS change the already connected AAL type nor the
* traffic class.
*/
if (qos->aal != vcc->qos.aal ||
qos->rxtp.traffic_class != vcc->qos.rxtp.traffic_class ||
qos->txtp.traffic_class != vcc->qos.txtp.traffic_class)
return -EINVAL;
error = adjust_tp(&qos->txtp, qos->aal);
if (!error)
error = adjust_tp(&qos->rxtp, qos->aal);
if (error)
return error;
if (!vcc->dev->ops->change_qos)
return -EOPNOTSUPP;
if (sk_atm(vcc)->sk_family == AF_ATMPVC)
return vcc->dev->ops->change_qos(vcc, qos, ATM_MF_SET);
return svc_change_qos(vcc, qos);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,681 | void atm_dev_release_vccs(struct atm_dev *dev)
{
int i;
write_lock_irq(&vcc_sklist_lock);
for (i = 0; i < VCC_HTABLE_SIZE; i++) {
struct hlist_head *head = &vcc_hash[i];
struct hlist_node *tmp;
struct sock *s;
struct atm_vcc *vcc;
sk_for_each_safe(s, tmp, head) {
vcc = atm_sk(s);
if (vcc->dev == dev) {
vcc_release_async(vcc, -EPIPE);
sk_del_node_init(s);
}
}
}
write_unlock_irq(&vcc_sklist_lock);
}
| +Info | 0 | void atm_dev_release_vccs(struct atm_dev *dev)
{
int i;
write_lock_irq(&vcc_sklist_lock);
for (i = 0; i < VCC_HTABLE_SIZE; i++) {
struct hlist_head *head = &vcc_hash[i];
struct hlist_node *tmp;
struct sock *s;
struct atm_vcc *vcc;
sk_for_each_safe(s, tmp, head) {
vcc = atm_sk(s);
if (vcc->dev == dev) {
vcc_release_async(vcc, -EPIPE);
sk_del_node_init(s);
}
}
}
write_unlock_irq(&vcc_sklist_lock);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,682 | void atm_dev_signal_change(struct atm_dev *dev, char signal)
{
pr_debug("%s signal=%d dev=%p number=%d dev->signal=%d\n",
__func__, signal, dev, dev->number, dev->signal);
/* atm driver sending invalid signal */
WARN_ON(signal < ATM_PHY_SIG_LOST || signal > ATM_PHY_SIG_FOUND);
if (dev->signal == signal)
return; /* no change */
dev->signal = signal;
atomic_notifier_call_chain(&atm_dev_notify_chain, signal, dev);
}
| +Info | 0 | void atm_dev_signal_change(struct atm_dev *dev, char signal)
{
pr_debug("%s signal=%d dev=%p number=%d dev->signal=%d\n",
__func__, signal, dev, dev->number, dev->signal);
/* atm driver sending invalid signal */
WARN_ON(signal < ATM_PHY_SIG_LOST || signal > ATM_PHY_SIG_FOUND);
if (dev->signal == signal)
return; /* no change */
dev->signal = signal;
atomic_notifier_call_chain(&atm_dev_notify_chain, signal, dev);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,683 | static void __exit atm_exit(void)
{
atm_proc_exit();
atm_sysfs_exit();
atmsvc_exit();
atmpvc_exit();
proto_unregister(&vcc_proto);
}
| +Info | 0 | static void __exit atm_exit(void)
{
atm_proc_exit();
atm_sysfs_exit();
atmsvc_exit();
atmpvc_exit();
proto_unregister(&vcc_proto);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,684 | static int __init atm_init(void)
{
int error;
error = proto_register(&vcc_proto, 0);
if (error < 0)
goto out;
error = atmpvc_init();
if (error < 0) {
pr_err("atmpvc_init() failed with %d\n", error);
goto out_unregister_vcc_proto;
}
error = atmsvc_init();
if (error < 0) {
pr_err("atmsvc_init() failed with %d\n", error);
goto out_atmpvc_exit;
}
error = atm_proc_init();
if (error < 0) {
pr_err("atm_proc_init() failed with %d\n", error);
goto out_atmsvc_exit;
}
error = atm_sysfs_init();
if (error < 0) {
pr_err("atm_sysfs_init() failed with %d\n", error);
goto out_atmproc_exit;
}
out:
return error;
out_atmproc_exit:
atm_proc_exit();
out_atmsvc_exit:
atmsvc_exit();
out_atmpvc_exit:
atmsvc_exit();
out_unregister_vcc_proto:
proto_unregister(&vcc_proto);
goto out;
}
| +Info | 0 | static int __init atm_init(void)
{
int error;
error = proto_register(&vcc_proto, 0);
if (error < 0)
goto out;
error = atmpvc_init();
if (error < 0) {
pr_err("atmpvc_init() failed with %d\n", error);
goto out_unregister_vcc_proto;
}
error = atmsvc_init();
if (error < 0) {
pr_err("atmsvc_init() failed with %d\n", error);
goto out_atmpvc_exit;
}
error = atm_proc_init();
if (error < 0) {
pr_err("atm_proc_init() failed with %d\n", error);
goto out_atmsvc_exit;
}
error = atm_sysfs_init();
if (error < 0) {
pr_err("atm_sysfs_init() failed with %d\n", error);
goto out_atmproc_exit;
}
out:
return error;
out_atmproc_exit:
atm_proc_exit();
out_atmsvc_exit:
atmsvc_exit();
out_atmpvc_exit:
atmsvc_exit();
out_unregister_vcc_proto:
proto_unregister(&vcc_proto);
goto out;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,685 | static int check_ci(const struct atm_vcc *vcc, short vpi, int vci)
{
struct hlist_head *head = &vcc_hash[vci & (VCC_HTABLE_SIZE - 1)];
struct sock *s;
struct atm_vcc *walk;
sk_for_each(s, head) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if (test_bit(ATM_VF_ADDR, &walk->flags) && walk->vpi == vpi &&
walk->vci == vci && ((walk->qos.txtp.traffic_class !=
ATM_NONE && vcc->qos.txtp.traffic_class != ATM_NONE) ||
(walk->qos.rxtp.traffic_class != ATM_NONE &&
vcc->qos.rxtp.traffic_class != ATM_NONE)))
return -EADDRINUSE;
}
/* allow VCCs with same VPI/VCI iff they don't collide on
TX/RX (but we may refuse such sharing for other reasons,
e.g. if protocol requires to have both channels) */
return 0;
}
| +Info | 0 | static int check_ci(const struct atm_vcc *vcc, short vpi, int vci)
{
struct hlist_head *head = &vcc_hash[vci & (VCC_HTABLE_SIZE - 1)];
struct sock *s;
struct atm_vcc *walk;
sk_for_each(s, head) {
walk = atm_sk(s);
if (walk->dev != vcc->dev)
continue;
if (test_bit(ATM_VF_ADDR, &walk->flags) && walk->vpi == vpi &&
walk->vci == vci && ((walk->qos.txtp.traffic_class !=
ATM_NONE && vcc->qos.txtp.traffic_class != ATM_NONE) ||
(walk->qos.rxtp.traffic_class != ATM_NONE &&
vcc->qos.rxtp.traffic_class != ATM_NONE)))
return -EADDRINUSE;
}
/* allow VCCs with same VPI/VCI iff they don't collide on
TX/RX (but we may refuse such sharing for other reasons,
e.g. if protocol requires to have both channels) */
return 0;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,686 | static int check_tp(const struct atm_trafprm *tp)
{
/* @@@ Should be merged with adjust_tp */
if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS)
return 0;
if (tp->traffic_class != ATM_UBR && !tp->min_pcr && !tp->pcr &&
!tp->max_pcr)
return -EINVAL;
if (tp->min_pcr == ATM_MAX_PCR)
return -EINVAL;
if (tp->min_pcr && tp->max_pcr && tp->max_pcr != ATM_MAX_PCR &&
tp->min_pcr > tp->max_pcr)
return -EINVAL;
/*
* We allow pcr to be outside [min_pcr,max_pcr], because later
* adjustment may still push it in the valid range.
*/
return 0;
}
| +Info | 0 | static int check_tp(const struct atm_trafprm *tp)
{
/* @@@ Should be merged with adjust_tp */
if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS)
return 0;
if (tp->traffic_class != ATM_UBR && !tp->min_pcr && !tp->pcr &&
!tp->max_pcr)
return -EINVAL;
if (tp->min_pcr == ATM_MAX_PCR)
return -EINVAL;
if (tp->min_pcr && tp->max_pcr && tp->max_pcr != ATM_MAX_PCR &&
tp->min_pcr > tp->max_pcr)
return -EINVAL;
/*
* We allow pcr to be outside [min_pcr,max_pcr], because later
* adjustment may still push it in the valid range.
*/
return 0;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,687 | static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci)
{
static short p; /* poor man's per-device cache */
static int c;
short old_p;
int old_c;
int err;
if (*vpi != ATM_VPI_ANY && *vci != ATM_VCI_ANY) {
err = check_ci(vcc, *vpi, *vci);
return err;
}
/* last scan may have left values out of bounds for current device */
if (*vpi != ATM_VPI_ANY)
p = *vpi;
else if (p >= 1 << vcc->dev->ci_range.vpi_bits)
p = 0;
if (*vci != ATM_VCI_ANY)
c = *vci;
else if (c < ATM_NOT_RSV_VCI || c >= 1 << vcc->dev->ci_range.vci_bits)
c = ATM_NOT_RSV_VCI;
old_p = p;
old_c = c;
do {
if (!check_ci(vcc, p, c)) {
*vpi = p;
*vci = c;
return 0;
}
if (*vci == ATM_VCI_ANY) {
c++;
if (c >= 1 << vcc->dev->ci_range.vci_bits)
c = ATM_NOT_RSV_VCI;
}
if ((c == ATM_NOT_RSV_VCI || *vci != ATM_VCI_ANY) &&
*vpi == ATM_VPI_ANY) {
p++;
if (p >= 1 << vcc->dev->ci_range.vpi_bits)
p = 0;
}
} while (old_p != p || old_c != c);
return -EADDRINUSE;
}
| +Info | 0 | static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci)
{
static short p; /* poor man's per-device cache */
static int c;
short old_p;
int old_c;
int err;
if (*vpi != ATM_VPI_ANY && *vci != ATM_VCI_ANY) {
err = check_ci(vcc, *vpi, *vci);
return err;
}
/* last scan may have left values out of bounds for current device */
if (*vpi != ATM_VPI_ANY)
p = *vpi;
else if (p >= 1 << vcc->dev->ci_range.vpi_bits)
p = 0;
if (*vci != ATM_VCI_ANY)
c = *vci;
else if (c < ATM_NOT_RSV_VCI || c >= 1 << vcc->dev->ci_range.vci_bits)
c = ATM_NOT_RSV_VCI;
old_p = p;
old_c = c;
do {
if (!check_ci(vcc, p, c)) {
*vpi = p;
*vci = c;
return 0;
}
if (*vci == ATM_VCI_ANY) {
c++;
if (c >= 1 << vcc->dev->ci_range.vci_bits)
c = ATM_NOT_RSV_VCI;
}
if ((c == ATM_NOT_RSV_VCI || *vci != ATM_VCI_ANY) &&
*vpi == ATM_VPI_ANY) {
p++;
if (p >= 1 << vcc->dev->ci_range.vpi_bits)
p = 0;
}
} while (old_p != p || old_c != c);
return -EADDRINUSE;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,688 | int register_atmdevice_notifier(struct notifier_block *nb)
{
return atomic_notifier_chain_register(&atm_dev_notify_chain, nb);
}
| +Info | 0 | int register_atmdevice_notifier(struct notifier_block *nb)
{
return atomic_notifier_chain_register(&atm_dev_notify_chain, nb);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,689 | void unregister_atmdevice_notifier(struct notifier_block *nb)
{
atomic_notifier_chain_unregister(&atm_dev_notify_chain, nb);
}
| +Info | 0 | void unregister_atmdevice_notifier(struct notifier_block *nb)
{
atomic_notifier_chain_unregister(&atm_dev_notify_chain, nb);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,690 | int vcc_connect(struct socket *sock, int itf, short vpi, int vci)
{
struct atm_dev *dev;
struct atm_vcc *vcc = ATM_SD(sock);
int error;
pr_debug("(vpi %d, vci %d)\n", vpi, vci);
if (sock->state == SS_CONNECTED)
return -EISCONN;
if (sock->state != SS_UNCONNECTED)
return -EINVAL;
if (!(vpi || vci))
return -EINVAL;
if (vpi != ATM_VPI_UNSPEC && vci != ATM_VCI_UNSPEC)
clear_bit(ATM_VF_PARTIAL, &vcc->flags);
else
if (test_bit(ATM_VF_PARTIAL, &vcc->flags))
return -EINVAL;
pr_debug("(TX: cl %d,bw %d-%d,sdu %d; "
"RX: cl %d,bw %d-%d,sdu %d,AAL %s%d)\n",
vcc->qos.txtp.traffic_class, vcc->qos.txtp.min_pcr,
vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_sdu,
vcc->qos.rxtp.traffic_class, vcc->qos.rxtp.min_pcr,
vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_sdu,
vcc->qos.aal == ATM_AAL5 ? "" :
vcc->qos.aal == ATM_AAL0 ? "" : " ??? code ",
vcc->qos.aal == ATM_AAL0 ? 0 : vcc->qos.aal);
if (!test_bit(ATM_VF_HASQOS, &vcc->flags))
return -EBADFD;
if (vcc->qos.txtp.traffic_class == ATM_ANYCLASS ||
vcc->qos.rxtp.traffic_class == ATM_ANYCLASS)
return -EINVAL;
if (likely(itf != ATM_ITF_ANY)) {
dev = try_then_request_module(atm_dev_lookup(itf),
"atm-device-%d", itf);
} else {
dev = NULL;
mutex_lock(&atm_dev_mutex);
if (!list_empty(&atm_devs)) {
dev = list_entry(atm_devs.next,
struct atm_dev, dev_list);
atm_dev_hold(dev);
}
mutex_unlock(&atm_dev_mutex);
}
if (!dev)
return -ENODEV;
error = __vcc_connect(vcc, dev, vpi, vci);
if (error) {
atm_dev_put(dev);
return error;
}
if (vpi == ATM_VPI_UNSPEC || vci == ATM_VCI_UNSPEC)
set_bit(ATM_VF_PARTIAL, &vcc->flags);
if (test_bit(ATM_VF_READY, &ATM_SD(sock)->flags))
sock->state = SS_CONNECTED;
return 0;
}
| +Info | 0 | int vcc_connect(struct socket *sock, int itf, short vpi, int vci)
{
struct atm_dev *dev;
struct atm_vcc *vcc = ATM_SD(sock);
int error;
pr_debug("(vpi %d, vci %d)\n", vpi, vci);
if (sock->state == SS_CONNECTED)
return -EISCONN;
if (sock->state != SS_UNCONNECTED)
return -EINVAL;
if (!(vpi || vci))
return -EINVAL;
if (vpi != ATM_VPI_UNSPEC && vci != ATM_VCI_UNSPEC)
clear_bit(ATM_VF_PARTIAL, &vcc->flags);
else
if (test_bit(ATM_VF_PARTIAL, &vcc->flags))
return -EINVAL;
pr_debug("(TX: cl %d,bw %d-%d,sdu %d; "
"RX: cl %d,bw %d-%d,sdu %d,AAL %s%d)\n",
vcc->qos.txtp.traffic_class, vcc->qos.txtp.min_pcr,
vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_sdu,
vcc->qos.rxtp.traffic_class, vcc->qos.rxtp.min_pcr,
vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_sdu,
vcc->qos.aal == ATM_AAL5 ? "" :
vcc->qos.aal == ATM_AAL0 ? "" : " ??? code ",
vcc->qos.aal == ATM_AAL0 ? 0 : vcc->qos.aal);
if (!test_bit(ATM_VF_HASQOS, &vcc->flags))
return -EBADFD;
if (vcc->qos.txtp.traffic_class == ATM_ANYCLASS ||
vcc->qos.rxtp.traffic_class == ATM_ANYCLASS)
return -EINVAL;
if (likely(itf != ATM_ITF_ANY)) {
dev = try_then_request_module(atm_dev_lookup(itf),
"atm-device-%d", itf);
} else {
dev = NULL;
mutex_lock(&atm_dev_mutex);
if (!list_empty(&atm_devs)) {
dev = list_entry(atm_devs.next,
struct atm_dev, dev_list);
atm_dev_hold(dev);
}
mutex_unlock(&atm_dev_mutex);
}
if (!dev)
return -ENODEV;
error = __vcc_connect(vcc, dev, vpi, vci);
if (error) {
atm_dev_put(dev);
return error;
}
if (vpi == ATM_VPI_UNSPEC || vci == ATM_VCI_UNSPEC)
set_bit(ATM_VF_PARTIAL, &vcc->flags);
if (test_bit(ATM_VF_READY, &ATM_SD(sock)->flags))
sock->state = SS_CONNECTED;
return 0;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,691 | int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
{
struct sock *sk;
struct atm_vcc *vcc;
sock->sk = NULL;
if (sock->type == SOCK_STREAM)
return -EINVAL;
sk = sk_alloc(net, family, GFP_KERNEL, &vcc_proto);
if (!sk)
return -ENOMEM;
sock_init_data(sock, sk);
sk->sk_state_change = vcc_def_wakeup;
sk->sk_write_space = vcc_write_space;
vcc = atm_sk(sk);
vcc->dev = NULL;
memset(&vcc->local, 0, sizeof(struct sockaddr_atmsvc));
memset(&vcc->remote, 0, sizeof(struct sockaddr_atmsvc));
vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */
atomic_set(&sk->sk_wmem_alloc, 1);
atomic_set(&sk->sk_rmem_alloc, 0);
vcc->push = NULL;
vcc->pop = NULL;
vcc->owner = NULL;
vcc->push_oam = NULL;
vcc->release_cb = NULL;
vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */
vcc->atm_options = vcc->aal_options = 0;
sk->sk_destruct = vcc_sock_destruct;
return 0;
}
| +Info | 0 | int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
{
struct sock *sk;
struct atm_vcc *vcc;
sock->sk = NULL;
if (sock->type == SOCK_STREAM)
return -EINVAL;
sk = sk_alloc(net, family, GFP_KERNEL, &vcc_proto);
if (!sk)
return -ENOMEM;
sock_init_data(sock, sk);
sk->sk_state_change = vcc_def_wakeup;
sk->sk_write_space = vcc_write_space;
vcc = atm_sk(sk);
vcc->dev = NULL;
memset(&vcc->local, 0, sizeof(struct sockaddr_atmsvc));
memset(&vcc->remote, 0, sizeof(struct sockaddr_atmsvc));
vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */
atomic_set(&sk->sk_wmem_alloc, 1);
atomic_set(&sk->sk_rmem_alloc, 0);
vcc->push = NULL;
vcc->pop = NULL;
vcc->owner = NULL;
vcc->push_oam = NULL;
vcc->release_cb = NULL;
vcc->vpi = vcc->vci = 0; /* no VCI/VPI yet */
vcc->atm_options = vcc->aal_options = 0;
sk->sk_destruct = vcc_sock_destruct;
return 0;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,692 | static void vcc_def_wakeup(struct sock *sk)
{
struct socket_wq *wq;
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
if (wq_has_sleeper(wq))
wake_up(&wq->wait);
rcu_read_unlock();
}
| +Info | 0 | static void vcc_def_wakeup(struct sock *sk)
{
struct socket_wq *wq;
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
if (wq_has_sleeper(wq))
wake_up(&wq->wait);
rcu_read_unlock();
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,693 | static void vcc_destroy_socket(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
struct sk_buff *skb;
set_bit(ATM_VF_CLOSE, &vcc->flags);
clear_bit(ATM_VF_READY, &vcc->flags);
if (vcc->dev) {
if (vcc->dev->ops->close)
vcc->dev->ops->close(vcc);
if (vcc->push)
vcc->push(vcc, NULL); /* atmarpd has no push */
module_put(vcc->owner);
while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
atm_return(vcc, skb->truesize);
kfree_skb(skb);
}
module_put(vcc->dev->ops->owner);
atm_dev_put(vcc->dev);
}
vcc_remove_socket(sk);
}
| +Info | 0 | static void vcc_destroy_socket(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
struct sk_buff *skb;
set_bit(ATM_VF_CLOSE, &vcc->flags);
clear_bit(ATM_VF_READY, &vcc->flags);
if (vcc->dev) {
if (vcc->dev->ops->close)
vcc->dev->ops->close(vcc);
if (vcc->push)
vcc->push(vcc, NULL); /* atmarpd has no push */
module_put(vcc->owner);
while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
atm_return(vcc, skb->truesize);
kfree_skb(skb);
}
module_put(vcc->dev->ops->owner);
atm_dev_put(vcc->dev);
}
vcc_remove_socket(sk);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,694 | int vcc_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
struct atm_vcc *vcc;
int len;
if (get_user(len, optlen))
return -EFAULT;
if (__SO_LEVEL_MATCH(optname, level) && len != __SO_SIZE(optname))
return -EINVAL;
vcc = ATM_SD(sock);
switch (optname) {
case SO_ATMQOS:
if (!test_bit(ATM_VF_HASQOS, &vcc->flags))
return -EINVAL;
return copy_to_user(optval, &vcc->qos, sizeof(vcc->qos))
? -EFAULT : 0;
case SO_SETCLP:
return put_user(vcc->atm_options & ATM_ATMOPT_CLP ? 1 : 0,
(unsigned long __user *)optval) ? -EFAULT : 0;
case SO_ATMPVC:
{
struct sockaddr_atmpvc pvc;
if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags))
return -ENOTCONN;
memset(&pvc, 0, sizeof(pvc));
pvc.sap_family = AF_ATMPVC;
pvc.sap_addr.itf = vcc->dev->number;
pvc.sap_addr.vpi = vcc->vpi;
pvc.sap_addr.vci = vcc->vci;
return copy_to_user(optval, &pvc, sizeof(pvc)) ? -EFAULT : 0;
}
default:
if (level == SOL_SOCKET)
return -EINVAL;
break;
}
if (!vcc->dev || !vcc->dev->ops->getsockopt)
return -EINVAL;
return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len);
}
| +Info | 0 | int vcc_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
struct atm_vcc *vcc;
int len;
if (get_user(len, optlen))
return -EFAULT;
if (__SO_LEVEL_MATCH(optname, level) && len != __SO_SIZE(optname))
return -EINVAL;
vcc = ATM_SD(sock);
switch (optname) {
case SO_ATMQOS:
if (!test_bit(ATM_VF_HASQOS, &vcc->flags))
return -EINVAL;
return copy_to_user(optval, &vcc->qos, sizeof(vcc->qos))
? -EFAULT : 0;
case SO_SETCLP:
return put_user(vcc->atm_options & ATM_ATMOPT_CLP ? 1 : 0,
(unsigned long __user *)optval) ? -EFAULT : 0;
case SO_ATMPVC:
{
struct sockaddr_atmpvc pvc;
if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags))
return -ENOTCONN;
memset(&pvc, 0, sizeof(pvc));
pvc.sap_family = AF_ATMPVC;
pvc.sap_addr.itf = vcc->dev->number;
pvc.sap_addr.vpi = vcc->vpi;
pvc.sap_addr.vci = vcc->vci;
return copy_to_user(optval, &pvc, sizeof(pvc)) ? -EFAULT : 0;
}
default:
if (level == SOL_SOCKET)
return -EINVAL;
break;
}
if (!vcc->dev || !vcc->dev->ops->getsockopt)
return -EINVAL;
return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,695 | void vcc_insert_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
__vcc_insert_socket(sk);
write_unlock_irq(&vcc_sklist_lock);
}
| +Info | 0 | void vcc_insert_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
__vcc_insert_socket(sk);
write_unlock_irq(&vcc_sklist_lock);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,696 | unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct atm_vcc *vcc;
unsigned int mask;
sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
vcc = ATM_SD(sock);
/* exceptional events */
if (sk->sk_err)
mask = POLLERR;
if (test_bit(ATM_VF_RELEASED, &vcc->flags) ||
test_bit(ATM_VF_CLOSE, &vcc->flags))
mask |= POLLHUP;
/* readable? */
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
/* writable? */
if (sock->state == SS_CONNECTING &&
test_bit(ATM_VF_WAITING, &vcc->flags))
return mask;
if (vcc->qos.txtp.traffic_class != ATM_NONE &&
vcc_writable(sk))
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
return mask;
}
| +Info | 0 | unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct atm_vcc *vcc;
unsigned int mask;
sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
vcc = ATM_SD(sock);
/* exceptional events */
if (sk->sk_err)
mask = POLLERR;
if (test_bit(ATM_VF_RELEASED, &vcc->flags) ||
test_bit(ATM_VF_CLOSE, &vcc->flags))
mask |= POLLHUP;
/* readable? */
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
/* writable? */
if (sock->state == SS_CONNECTING &&
test_bit(ATM_VF_WAITING, &vcc->flags))
return mask;
if (vcc->qos.txtp.traffic_class != ATM_NONE &&
vcc_writable(sk))
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
return mask;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,697 | int vcc_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (sk) {
lock_sock(sk);
vcc_destroy_socket(sock->sk);
release_sock(sk);
sock_put(sk);
}
return 0;
}
| +Info | 0 | int vcc_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (sk) {
lock_sock(sk);
vcc_destroy_socket(sock->sk);
release_sock(sk);
sock_put(sk);
}
return 0;
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,698 | static void vcc_release_cb(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
if (vcc->release_cb)
vcc->release_cb(vcc);
}
| +Info | 0 | static void vcc_release_cb(struct sock *sk)
{
struct atm_vcc *vcc = atm_sk(sk);
if (vcc->release_cb)
vcc->release_cb(vcc);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
24,699 | static void vcc_remove_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
sk_del_node_init(sk);
write_unlock_irq(&vcc_sklist_lock);
}
| +Info | 0 | static void vcc_remove_socket(struct sock *sk)
{
write_lock_irq(&vcc_sklist_lock);
sk_del_node_init(sk);
write_unlock_irq(&vcc_sklist_lock);
}
| @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
struct sk_buff *skb;
int copied, error = -EINVAL;
+ msg->msg_namelen = 0;
+
if (sock->state != SS_CONNECTED)
return -ENOTCONN;
| CWE-200 | null | null |
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