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(parent: b5c7aeb) | 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 19:24:27 +0000 (21:24 +0200)
commitf1d2aaaf34e25e6ceef0cef2a1dbda9a8d5e02cd
tree28472d6ee4a49a54a648b6a556c8727920d03222tree | snapshot
parentb5c7aeba6ce6c2c7c39e73248944ceddb4a8df83commit | diff
icmp: Fix a data-race around sysctl_icmp_ratemask.

[ Upstream commit 7c9f0cf0d53907ca6baee0ee6145a4638cb0c6b8 ]

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
Linux Kernel Source Tree.