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(parent: 260446e) | patch
igmp: Fix a data-race around sysctl_igmp_max_memberships.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:42 +0000 (10:17 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:17 +0000 (17:25 +0200)
commit2a408a4f423eb531b4aa47fea14ef638d12ba986
tree942d0b23749526117b4e969f979e5fef2e686c72tree | snapshot
parent260446eb8e5541402b271343a4516f2b33dec1e4commit | diff
igmp: Fix a data-race around sysctl_igmp_max_memberships.

[ Upstream commit 6305d821e3b9b5379d348528e5b5faf316383bc2 ]

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

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
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/igmp.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git