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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
| commit | d900385139e5aa8d584dee92c87bb85d0226253e (patch) | |
| tree | 26aa082f242221c535f2d8aa03b0c314c713e8ea /net/ipv6/tcp_ipv6.c | |
| parent | 56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff) | |
| parent | 200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff) | |
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index b4ffcec732b4..53e15514d90d 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -978,6 +978,11 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) if (!ipv6_unicast_destination(skb)) goto drop; + if (ipv6_addr_v4mapped(&ipv6_hdr(skb)->saddr)) { + IP6_INC_STATS_BH(sock_net(sk), NULL, IPSTATS_MIB_INHDRERRORS); + return 0; + } + return tcp_conn_request(&tcp6_request_sock_ops, &tcp_request_sock_ipv6_ops, sk, skb); |