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Diffstat (limited to 'net/core/sock.c')
-rw-r--r--net/core/sock.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 6e00811d44bc..e110b9004147 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -404,8 +404,9 @@ set_rcvbuf:
if (!valbool) {
sk->sk_bound_dev_if = 0;
} else {
- if (optlen > IFNAMSIZ)
- optlen = IFNAMSIZ;
+ if (optlen > IFNAMSIZ - 1)
+ optlen = IFNAMSIZ - 1;
+ memset(devname, 0, sizeof(devname));
if (copy_from_user(devname, optval, optlen)) {
ret = -EFAULT;
break;
@@ -616,7 +617,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
break;
case SO_PEERSEC:
- return security_socket_getpeersec(sock, optval, optlen, len);
+ return security_socket_getpeersec_stream(sock, optval, optlen, len);
default:
return(-ENOPROTOOPT);
@@ -1385,6 +1386,20 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
EXPORT_SYMBOL(sock_common_getsockopt);
+#ifdef CONFIG_COMPAT
+int compat_sock_common_getsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int __user *optlen)
+{
+ struct sock *sk = sock->sk;
+
+ if (sk->sk_prot->compat_setsockopt != NULL)
+ return sk->sk_prot->compat_getsockopt(sk, level, optname,
+ optval, optlen);
+ return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL(compat_sock_common_getsockopt);
+#endif
+
int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
@@ -1414,6 +1429,20 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
EXPORT_SYMBOL(sock_common_setsockopt);
+#ifdef CONFIG_COMPAT
+int compat_sock_common_setsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int optlen)
+{
+ struct sock *sk = sock->sk;
+
+ if (sk->sk_prot->compat_setsockopt != NULL)
+ return sk->sk_prot->compat_setsockopt(sk, level, optname,
+ optval, optlen);
+ return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
+}
+EXPORT_SYMBOL(compat_sock_common_setsockopt);
+#endif
+
void sk_common_release(struct sock *sk)
{
if (sk->sk_prot->destroy)