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(parent: 611ba70) | patch
ip: Fix a data-race around sysctl_fwmark_reflect.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:51:57 +0000 (13:51 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:19:13 +0000 (17:19 +0200)
commit0ee76fe01ff3c0b4efaa500aecc90d7c8d3a8860
treee1e3b0e965730743b763a2536eee47b78f83e05dtree
parent611ba70e5aca252ef43374dda97ed4cf1c47a07ccommit | diff
ip: Fix a data-race around sysctl_fwmark_reflect.

[ Upstream commit 85d0b4dbd74b95cc492b1f4e34497d3f894f5d9a ]

While reading sysctl_fwmark_reflect, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

Fixes: e110861f8609 ("net: add a sysctl to reflect the fwmark on replies")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
include/net/ip.h diff | blob | history
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