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(parent: 2c7dae6) | patch
net: Fix a data-race around sysctl_net_busy_read.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 23 Aug 2022 17:46:52 +0000 (10:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Aug 2022 15:15:20 +0000 (17:15 +0200)
commit410c88314ce351c9c77ec68da1d37bd91ddd76a2
tree5db55247b076bee8845e430fd9dccc842e24ebd8tree
parent2c7dae6c45112ee7ead62155fed375cb2e7d7cf8commit | diff
net: Fix a data-race around sysctl_net_busy_read.

[ Upstream commit e59ef36f0795696ab229569c153936bfd068d21c ]

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

Fixes: 2d48d67fa8cd ("net: poll/select low latency socket support")
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/core/sock.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git