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| author | Jakub Kicinski <kuba@kernel.org> | 2021-11-18 13:13:16 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-11-18 13:13:16 -0800 |
| commit | 50fc24944a2a0ef5aab571dcac17f6c5f2613f56 (patch) | |
| tree | 32477b48cc10073e948eb7b85877dc5a0746749d /net/ipv4/tcp.c | |
| parent | bb8cecf8ba127abca8ccd102207a59c55fdae515 (diff) | |
| parent | 8d0112ac6fd001f95aabb084ec2ccaa3637bc344 (diff) | |
| download | linux-50fc24944a2a0ef5aab571dcac17f6c5f2613f56.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index d1949fdb1462..6ab82e1a1d41 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1788,6 +1788,9 @@ 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; |