diff options
| -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 8affba5909bd..844c6e5a8289 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1776,6 +1776,9 @@ 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; |