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(parent: 5b344c6) | patch
icmp: Fix a data-race around sysctl_icmp_ratelimit.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:27 +0000 (17:15 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 19:24:27 +0000 (21:24 +0200)
commitb5c7aeba6ce6c2c7c39e73248944ceddb4a8df83
tree753ef46defc1a9ba0230af8ca690b2e3941d7005tree | snapshot
parent5b344c689efa1b2364532a15fb4d728ec47a9f9acommit | diff
icmp: Fix a data-race around sysctl_icmp_ratelimit.

[ Upstream commit f634ab1df5f78176f9bf7918850f605e8cc08dfa ]

While reading sysctl_icmp_ratelimit, 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/icmp.c diff | blob | history
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