Eric Dumazet fbb1fb4ad4 net: defer call to cgroup_sk_alloc()
sk_clone_lock() might run while TCP/DCCP listener already vanished.

In order to prevent use after free, it is better to defer cgroup_sk_alloc()
to the point we know both parent and child exist, and from process context.

Fixes: e994b2f0fb92 ("tcp: do not lock listener to process SYN packets")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-09 20:55:01 -07:00
..
2017-05-12 15:57:15 -07:00
2017-10-04 08:34:01 -07:00
2017-10-04 08:34:01 -07:00
2017-05-23 10:01:37 +02:00
2017-08-16 16:48:34 -07:00
2017-09-05 09:46:59 -04:00
2017-01-12 07:01:56 -07:00
2017-07-15 20:46:47 -04:00
2017-05-18 10:30:19 -06:00
2017-09-29 13:43:15 -04:00
2017-09-08 18:26:51 -07:00
2017-07-25 15:08:32 +02:00
2017-08-21 12:47:31 -07:00
2017-09-08 18:26:48 -07:00
2016-03-01 20:36:56 +01:00
2016-12-22 22:58:37 -05:00
2017-09-04 19:05:15 -04:00