diff options
| author | David S. Miller <[email protected]> | 2021-03-25 22:31:22 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2021-03-25 22:31:22 +0000 |
| commit | efd13b71a3fa31413f8d15342e01d44b60b0a432 (patch) | |
| tree | 2ed1b299e25538c5a60485a1047507b49d3e0ecf /net/mptcp/subflow.c | |
| parent | hinic: avoid gcc -Wrestrict warning (diff) | |
| parent | Merge branch 'akpm' (patches from Andrew) (diff) | |
| download | kernel-efd13b71a3fa31413f8d15342e01d44b60b0a432.tar.gz kernel-efd13b71a3fa31413f8d15342e01d44b60b0a432.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 3d47d670e665..d17d39ccdf34 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -477,6 +477,11 @@ static int subflow_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(sock_net(sk), NULL, IPSTATS_MIB_INHDRERRORS); + return 0; + } + return tcp_conn_request(&mptcp_subflow_request_sock_ops, &subflow_request_sock_ipv6_ops, sk, skb); |