Kuniyuki Iwashima c926ae58f2 af_unix: Fix a data-race in unix_dgram_peer_wake_me().
[ Upstream commit 662a80946ce13633ae90a55379f1346c10f0c432 ]

unix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s
lock held and check if its receive queue is full.  Here we need to
use unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise
KCSAN will report a data-race.

Fixes: 7d267278a9ec ("unix: avoid use-after-free in ep_remove_wait_queue")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20220605232325.11804-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 18:36:17 +02:00
..
2022-03-11 12:22:36 +01:00
2022-04-20 09:34:22 +02:00
2021-06-29 11:28:21 -07:00
2021-07-29 15:06:49 +01:00
2021-07-29 15:06:49 +01:00