]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
macsec: use DEV_STATS_INC()
authorEric Dumazet <edumazet@google.com>
Fri, 4 Aug 2023 17:26:52 +0000 (17:26 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 26 Aug 2023 12:23:21 +0000 (14:23 +0200)
commit51222e1c77a17d239262f6c2fe4d45e91742f467
tree01c32967b7903eec61b4f66e5d443383a36413a4
parent3d64a232e4d92938597c5c3cec2483ac14e063f7
macsec: use DEV_STATS_INC()

[ Upstream commit 32d0a49d36a2a306c2e47fe5659361e424f0ed3f ]

syzbot/KCSAN reported data-races in macsec whenever dev->stats fields
are updated.

It appears all of these updates can happen from multiple cpus.

Adopt SMP safe DEV_STATS_INC() to update dev->stats fields.

Fixes: c09440f7dcb3 ("macsec: introduce IEEE 802.1AE driver")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/macsec.c