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(parent: 93231fe) | patch
cipso: Fix data-races around sysctl.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 6 Jul 2022 23:40:01 +0000 (16:40 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 18:40:31 +0000 (20:40 +0200)
commit2764f82bbc158d106693ae3ced3675cf4b963b35
tree457e21c1cfce2b39246ad2df5bbbcb4c379ae00ctree | snapshot
parent93231fe7dc03604b3d40fdd44a608fec24fdf6d9commit | diff
cipso: Fix data-races around sysctl.

[ Upstream commit dd44f04b9214adb68ef5684ae87a81ba03632250 ]

While reading cipso sysctl variables, they can be changed concurrently.
So, we need to add READ_ONCE() to avoid data-races.

Fixes: 446fda4f2682 ("[NetLabel]: CIPSOv4 engine")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Documentation/networking/ip-sysctl.txt diff | blob | blame | history
net/ipv4/cipso_ipv4.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git