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(parent: efb30ea) | 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 18:59:22 +0000 (20:59 +0200)
commit9d52675d8a67e4389be229daadfcbf52c10fb062
treec2ceda71bd99b992d4b24778113aeddb52b3e6d7tree | snapshot
parentefb30ea8a528e561dc239f8e2cef07093f72b1dccommit | diff
icmp: Fix a data-race around sysctl_icmp_ratelimit.

[ Upstream commit 0584fb32560e931157dd7204394e3f9ad330fbdd ]

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
Linux Kernel Source Tree.