summaryrefslogtreecommitdiff
path: root/net/compat.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2019-02-28 08:27:17 +0100
committerIngo Molnar <mingo@kernel.org>2019-02-28 08:27:17 +0100
commit9ed8f1a6e7670aadd5aef30456a90b456ed1b185 (patch)
treeb93479f7f70187b68d29b747ce02c720ddb11f42 /net/compat.c
parent43f4e6279f05eefac058a3524e184cecae463bfe (diff)
parent7d762d69145a54d169f58e56d6dac57a5508debc (diff)
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/compat.c')
-rw-r--r--net/compat.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/compat.c b/net/compat.c
index 959d1c51826d..3d348198004f 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -388,8 +388,12 @@ static int __compat_sys_setsockopt(int fd, int level, int optname,
char __user *optval, unsigned int optlen)
{
int err;
- struct socket *sock = sockfd_lookup(fd, &err);
+ struct socket *sock;
+
+ if (optlen > INT_MAX)
+ return -EINVAL;
+ sock = sockfd_lookup(fd, &err);
if (sock) {
err = security_socket_setsockopt(sock, level, optname);
if (err) {