Re: [PATCH net] tcp: fastopen: avoid negative sk_forward_alloc
flat view
From: David Miller <davem@davemloft.net>
Date: 2016-09-08 23:08:32
From: Eric Dumazet <redacted> Date: Wed, 07 Sep 2016 08:34:11 -0700
From: Eric Dumazet <redacted>
When DATA and/or FIN are carried in a SYN/ACK message or SYN message,
we append an skb in socket receive queue, but we forget to call
sk_forced_mem_schedule().
Effect is that the socket has a negative sk->sk_forward_alloc as long as
the message is not read by the application.
Josh Hunt fixed a similar issue in commit d22e15371811 ("tcp: fix tcp
fin memory accounting")
Fixes: 168a8f58059a ("tcp: TCP Fast Open Server - main code path")
Signed-off-by: Eric Dumazet <redacted>Applied and queued up for -stable.