Commit e65c332d authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

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: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarNeal Cardwell <ncardwell@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bb40aca7
......@@ -1602,6 +1602,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
sk = req->rsk_listener;
if (unlikely(tcp_v4_inbound_md5_hash(sk, skb))) {
sk_drops_add(sk, skb);
reqsk_put(req);
goto discard_it;
}
......
......@@ -1409,6 +1409,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
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;
}
......
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