tcp: fix tcp fin memory accounting

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[ Upstream commit d22e153718 ]

tcp_send_fin() does not account for the memory it allocates properly, so
sk_forward_alloc can be negative in cases where we've sent a FIN:

ss example output (ss -amn | grep -B1 f4294):
tcp    FIN-WAIT-1 0      1            192.168.0.1:45520         192.0.2.1:8080
	skmem:(r0,rb87380,t0,tb87380,f4294966016,w1280,o0,bl0)
Acked-by: Eric Dumazet <edumazet@google.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Josh Hunt 2015-03-19 19:19:30 -04:00 • committed by Greg Kroah-Hartman

parent b7460a1fe3

commit be41c4fc26

1 changed files with 1 additions and 5 deletions

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net/ipv4/tcp_output.c

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