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authorLinus Walleij <[email protected]>2021-11-27 00:54:16 +0100
committerLinus Walleij <[email protected]>2021-11-27 00:54:16 +0100
commit2448eab44034d9603c97ca17760a53d4d6e4b60c (patch)
tree7f323cea55258e94e0c7c70b63d02c9effb00c1f /net/ipv4/tcp.c
parentdeee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff)
parent136057256686de39cc3a07c2e39ef6bc43003ff6 (diff)
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed for next are strongly textually dependent on a fix that was applied for rc2. Signed-off-by: Linus Walleij <[email protected]>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b7796b4cf0a0..bbb3d39c69af 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1758,6 +1758,9 @@ static skb_frag_t *skb_advance_to_frag(struct sk_buff *skb, u32 offset_skb,
{
skb_frag_t *frag;
+ if (unlikely(offset_skb >= skb->len))
+ return NULL;
+
offset_skb -= skb_headlen(skb);
if ((int)offset_skb < 0 || skb_has_frag_list(skb))
return NULL;