| commit | 4d0fe50c75a547088e4304e5eb5f521514dfae46 | |
| author | Eric Dumazet <eric.dumazet@gmail.com> | |
| Wed, 23 Nov 2011 22:29:23 +0000 (23 17:29 -0500) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Wed, 23 Nov 2011 22:29:23 +0000 (23 17:29 -0500) | ||
| tree | e1415bc9f01700ee8e0182de1a5550b8d0bf345c | treesnapshot (tar.gz zip) |
| parent | 15ac2b08a2fd0f4aacbe8ae39788252fea6fbe63 | commitdiff |
ipv6: tcp: fix tcp_v6_conn_request()
Since linux 2.6.26 (commit c6aefafb7ec6 : Add IPv6 support to TCP SYN
cookies), we can drop a SYN packet reusing a TIME_WAIT socket.
(As a matter of fact we fail to send the SYNACK answer)
As the client resends its SYN packet after a one second timeout, we
accept it, because first packet removed the TIME_WAIT socket before
being dropped.
This probably explains why nobody ever noticed or complained.
Reported-by: Jesse Young <jlyo@jlyo.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since linux 2.6.26 (commit c6aefafb7ec6 : Add IPv6 support to TCP SYN
cookies), we can drop a SYN packet reusing a TIME_WAIT socket.
(As a matter of fact we fail to send the SYNACK answer)
As the client resends its SYN packet after a one second timeout, we
accept it, because first packet removed the TIME_WAIT socket before
being dropped.
This probably explains why nobody ever noticed or complained.
Reported-by: Jesse Young <jlyo@jlyo.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| net/ipv6/tcp_ipv6.c | diffblobblamehistory |