summaryrefslogtreecommitdiff
path: root/net/ipv6/tcp_ipv6.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-05 08:51:37 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-05 08:51:37 +0200
commitb20e82939034a79e9af50853d63163fe21f205a9 (patch)
tree7cfcf453c08e9b7e00530cfedc043eea23b0f367 /net/ipv6/tcp_ipv6.c
parentf7514a6630166a7b566dee9b1af2e87e431959be (diff)
parente49d033bddf5b565044e2abe4241353959bc9120 (diff)
Merge 5.12-rc6 into driver-core-next
We need the driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index bd44ded7e50c..d0f007741e8e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1175,6 +1175,11 @@ 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(sock_net(sk), NULL, IPSTATS_MIB_INHDRERRORS);
+ return 0;
+ }
+
return tcp_conn_request(&tcp6_request_sock_ops,
&tcp_request_sock_ipv6_ops, sk, skb);