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authorMaxime Ripard <[email protected]>2021-04-26 12:03:09 +0000
committerMaxime Ripard <[email protected]>2021-04-26 12:03:09 +0000
commit355b60296143a090039211c5f0e1463f84aab65a (patch)
treeb74d4ef2aea66252ea9cf77c847de6c6e72a02b7 /net/ipv6/tcp_ipv6.c
parentdrm: Remove DRM_KMS_FB_HELPER Kconfig option (diff)
parentMerge tag 'drm-misc-next-fixes-2021-04-22' of git://anongit.freedesktop.org/d... (diff)
downloadkernel-355b60296143a090039211c5f0e1463f84aab65a.tar.gz
kernel-355b60296143a090039211c5f0e1463f84aab65a.zip
Merge drm/drm-next into drm-misc-next
Christian needs some patches from drm/next Signed-off-by: Maxime Ripard <[email protected]>
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);