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(parent: ca26ca5) | 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 19:09:28 +0000 (21:09 +0200)
commitedeec63b13c252193d626c2a48d7a2f0e7016dc2
treee191607e4e8046e48b3bdc0c83753bdeab6f341ftree | snapshot
parentca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698commit | 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 | history
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