tcp/dccp: fix hashdance race for passive sessions

[cascardo/linux.git] / net / ipv4 / syncookies.c

diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 4c0892b..4cbe9f0 100644 (file)
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -221,8 +221,10 @@ struct sock *tcp_get_cookie_sock(struct sock *sk, struct sk_buff *skb,
 {
        struct inet_connection_sock *icsk = inet_csk(sk);
        struct sock *child;
+       bool own_req;
 
-       child = icsk->icsk_af_ops->syn_recv_sock(sk, skb, req, dst);
+       child = icsk->icsk_af_ops->syn_recv_sock(sk, skb, req, dst,
+                                                NULL, &own_req);
        if (child) {
                atomic_set(&req->rsk_refcnt, 1);
                sock_rps_save_rxhash(child, skb);