tree 457e21c1cfce2b39246ad2df5bbbcb4c379ae00c
parent 93231fe7dc03604b3d40fdd44a608fec24fdf6d9
author Kuniyuki Iwashima <kuniyu@amazon.com> 1657150801 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1658428831 +0200

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>