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authorDaniel Vetter <daniel.vetter@ffwll.ch>2019-06-19 12:04:55 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2019-06-19 12:07:29 +0200
commit52d2d44eee8091e740d0d275df1311fb8373c9a9 (patch)
tree4aff282e84b3469f18cf9717490b892f6f39198f /net/ipv4/tcp_input.c
parent2454fcea338ad821a39d471bc7db5a58ba41b742 (diff)
parent9e0babf2c06c73cda2c0cd37a1653d823adb40ec (diff)
Merge v5.2-rc5 into drm-next
Maarten needs -rc4 backmerged so he can pull in the fbcon notifier removal topic branch into drm-misc-next. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c61edd023b35..08a477e74cf3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3791,6 +3791,8 @@ void tcp_parse_options(const struct net *net,
length--;
continue;
default:
+ if (length < 2)
+ return;
opsize = *ptr++;
if (opsize < 2) /* "silly options" */
return;