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(parent: 94e4b85) | patch
ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:39 +0000 (10:26 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:21 +0000 (17:25 +0200)
commitb8d345db03b4deffb4f04219a51d3b1e94171b76
tree23d88ae4cf32e553620e38c096e71159d5afd8fftree | snapshot
parent94e4b855e22bba7f0cddd4815f968c9def0badd7commit | diff
ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.

[ Upstream commit 87507bcb4f5de16bb419e9509d874f4db6c0ad0f ]

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

Fixes: a6db4494d218 ("net: ipv4: Consider failed nexthops in multipath routes")
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>
net/ipv4/fib_semantics.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git