net: set tb->fast_sk_family

We need to set the tb->fast_sk_family properly so we can use the proper
comparison function for all subsequent reuseport bind requests.

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 b9c64b40a83af1e151f553ba0e624fae5060ffd0..f87f4805e244ae057d4b931f966a8b0ca98f7f43 100644 (file)
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -328,6 +328,7 @@ success:
                        tb->fastuid = uid;
                        tb->fast_rcv_saddr = sk->sk_rcv_saddr;
                        tb->fast_ipv6_only = ipv6_only_sock(sk);
+                       tb->fast_sk_family = sk->sk_family;
 #if IS_ENABLED(CONFIG_IPV6)
                        tb->fast_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
 #endif
@@ -354,6 +355,7 @@ success:
                                tb->fastuid = uid;
                                tb->fast_rcv_saddr = sk->sk_rcv_saddr;
                                tb->fast_ipv6_only = ipv6_only_sock(sk);
+                               tb->fast_sk_family = sk->sk_family;
 #if IS_ENABLED(CONFIG_IPV6)
                                tb->fast_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
 #endif