WSL2-Linux-Kernel/net/unix
Kuniyuki Iwashima c926ae58f2 af_unix: Fix a data-race in unix_dgram_peer_wake_me().
[ Upstream commit 662a80946c ]

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: 7d267278a9 ("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
..
Kconfig af_unix: Add OOB support 2021-08-04 09:55:52 +01:00
Makefile af_unix: Implement ->psock_update_sk_prot() 2021-07-15 18:17:50 -07:00
af_unix.c af_unix: Fix a data-race in unix_dgram_peer_wake_me(). 2022-06-14 18:36:17 +02:00
diag.c net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
garbage.c af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress 2022-01-27 11:05:30 +01:00
scm.c af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress 2022-01-27 11:05:30 +01:00
scm.h net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
sysctl_net_unix.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
unix_bpf.c net: Implement ->sock_is_readable() for UDP and AF_UNIX 2021-10-26 12:29:33 -07:00