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(parent: 7c1b6e4) | 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)
commit8d7a13654a988a8433bfbe3474f83b82c0dea6ab
tree28472d6ee4a49a54a648b6a556c8727920d03222tree | snapshot
parent7c1b6e453481710d6bed76a490ee13996e835823commit | diff
icmp: Fix a data-race around sysctl_icmp_ratemask.

[ Upstream commit 1ebcb25ad6fc3d50fca87350acf451b9a66dd31e ]

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
Domain: System / Kernel;