]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit2ac1afe95582403d3895f183ce8bdf1e6791484f
tree3e50e22d83d77dc65fee4744a575895b373f68de
parentac45d7a09fc251be64707f6c4129dabc6f568b22
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