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(parent: fe2a35f) | patch
icmp: Fix data-races around sysctl.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 6 Jul 2022 23:40:02 +0000 (16:40 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 19:20:08 +0000 (21:20 +0200)
commite088ceb73c24ab4774da391d54a6426f4bfaefce
tree16eaf010722bc38eec6ab7ebfe968efef1b76a8dtree | snapshot
parentfe2a35fa2c4f9c8ce5ef970eb927031387f9446acommit | diff
icmp: Fix data-races around sysctl.

[ Upstream commit 48d7ee321ea5182c6a70782aa186422a70e67e22 ]

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

Fixes: 4cdf507d5452 ("icmp: add a global rate limitation")
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/icmp.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git