diff options
| -rw-r--r-- | include/net/request_sock.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 26c630c40abb..8839133d6f6b 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -101,10 +101,21 @@ static inline struct sock *skb_steal_sock(struct sk_buff *skb, } *prefetched = skb_sk_is_prefetched(skb); - if (*prefetched) + if (*prefetched) { +#if IS_ENABLED(CONFIG_SYN_COOKIES) + if (sk->sk_state == TCP_NEW_SYN_RECV && inet_reqsk(sk)->syncookie) { + struct request_sock *req = inet_reqsk(sk); + + *refcounted = false; + sk = req->rsk_listener; + req->rsk_listener = NULL; + return sk; + } +#endif *refcounted = sk_is_refcounted(sk); - else + } else { *refcounted = true; + } skb->destructor = NULL; skb->sk = NULL; |