icmp: Fix data-races around sysctl.

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

Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Kuniyuki Iwashima 2022-07-06 16:40:02 -07:00 • committed by David S. Miller

parent dd44f04b92

commit 48d7ee321e

1 changed files with 3 additions and 2 deletions

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net/ipv4/icmp.c

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