soreuseport: Fix TCP listener hash collision

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

diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index bc68ece..0d9e9d7 100644 (file)
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -470,6 +470,7 @@ static int inet_reuseport_add_sock(struct sock *sk,
                                                     const struct sock *sk2,
                                                     bool match_wildcard))
 {
+       struct inet_bind_bucket *tb = inet_csk(sk)->icsk_bind_hash;
        struct sock *sk2;
        struct hlist_nulls_node *node;
        kuid_t uid = sock_i_uid(sk);
@@ -479,6 +480,7 @@ static int inet_reuseport_add_sock(struct sock *sk,
                    sk2->sk_family == sk->sk_family &&
                    ipv6_only_sock(sk2) == ipv6_only_sock(sk) &&
                    sk2->sk_bound_dev_if == sk->sk_bound_dev_if &&
+                   inet_csk(sk2)->icsk_bind_hash == tb &&
                    sk2->sk_reuseport && uid_eq(uid, sock_i_uid(sk2)) &&
                    saddr_same(sk, sk2, false))
                        return reuseport_add_sock(sk, sk2);