summaryrefslogtreecommitdiffstats
path: root/net/ipv6
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2016-08-24 08:50:24 -0700
committerDavid S. Miller <davem@davemloft.net>2016-08-25 16:43:11 -0700
commite65c332de8a0c9f570847ec490b60effffcd5320 (patch)
treed0e4808dc464c2ac1b3914c8a49ee95a1b11e1ff /net/ipv6
parentbb40aca7cf153e3e2941140d3850a4b6c4205ccb (diff)
downloadlinux-e65c332de8a0c9f570847ec490b60effffcd5320.tar.bz2
tcp: md5: increment sk_drops on syn_recv state
TCP MD5 mismatches do increment sk_drops counter in all states but SYN_RECV. This is very unlikely to happen in the real world, but worth adding to help diagnostics. We increase the parent (listener) sk_drops. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/tcp_ipv6.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e0f46439e391..ac0ed7bda406 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1409,6 +1409,7 @@ process:
sk = req->rsk_listener;
tcp_v6_fill_cb(skb, hdr, th);
if (tcp_v6_inbound_md5_hash(sk, skb)) {
+ sk_drops_add(sk, skb);
reqsk_put(req);
goto discard_it;
}