]> www.infradead.org Git - users/dwmw2/linux.git/commit
ipv4: Fix data-races around sysctl_ip_dynaddr.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:32 +0000 (17:15 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 19:20:10 +0000 (21:20 +0200)
commit2c56958de89b9a2efdb19310e3f11a6b97254d39
treea79b2adc016487f6616fd2b742aa19cb41cec1f7
parent038a87b3e460d2ee579c8b1bd3890d816d6687b1
ipv4: Fix data-races around sysctl_ip_dynaddr.

[ Upstream commit e49e4aff7ec19b2d0d0957ee30e93dade57dab9e ]

While reading sysctl_ip_dynaddr, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.

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>
Documentation/networking/ip-sysctl.rst
net/ipv4/af_inet.c