net: use inet6_rcv_saddr to compare sockets

In ipv6_rcv_saddr_equal() we need to use inet6_rcv_saddr(sk) for the
ipv6 compare with the fast socket information to make sure we're doing
the proper comparisons.

Fixes: 637bc8bbe6c0 ("inet: reset tb->fastreuseport when adding a reuseport sk")
Reported-and-tested-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index f87f4805e244ae057d4b931f966a8b0ca98f7f43..a1bf30438bc5c9cee1cbd6091361ed48b016e438 100644 (file)
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -266,7 +266,7 @@ static inline int sk_reuseport_match(struct inet_bind_bucket *tb,
 #if IS_ENABLED(CONFIG_IPV6)
        if (tb->fast_sk_family == AF_INET6)
                return ipv6_rcv_saddr_equal(&tb->fast_v6_rcv_saddr,
-                                           &sk->sk_v6_rcv_saddr,
+                                           inet6_rcv_saddr(sk),
                                            tb->fast_rcv_saddr,
                                            sk->sk_rcv_saddr,
                                            tb->fast_ipv6_only,