tcp: Fix bind() regression for v4-mapped-v6 wildcard address.

[platform/kernel/linux-rpi.git] / net / ipv4 / inet_hashtables.c

diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 5c54f28..a58b040 100644 (file)
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -839,7 +839,8 @@ bool inet_bind2_bucket_match_addr_any(const struct inet_bind2_bucket *tb, const
 #if IS_ENABLED(CONFIG_IPV6)
        if (sk->sk_family != tb->family) {
                if (sk->sk_family == AF_INET)
-                       return ipv6_addr_any(&tb->v6_rcv_saddr);
+                       return ipv6_addr_any(&tb->v6_rcv_saddr) ||
+                               ipv6_addr_v4mapped_any(&tb->v6_rcv_saddr);
 
                return false;
        }