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(parent: 9d52675) | patch
icmp: Fix a data-race around sysctl_icmp_ratemask.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:28 +0000 (17:15 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 18:59:22 +0000 (20:59 +0200)
commit456e0f744a16273f8bee1c438192936dcef1dd80
tree3e50e22d83d77dc65fee4744a575895b373f68detree | snapshot
parent9d52675d8a67e4389be229daadfcbf52c10fb062commit | diff
icmp: Fix a data-race around sysctl_icmp_ratemask.

[ Upstream commit e0d9f96ea58aaf036e2c38cc291f72e4154bf8c8 ]

While reading sysctl_icmp_ratemask, 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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