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(parent: 58d5ea7) | patch
tcp: Fix data-races around sysctl_max_syn_backlog.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:53 +0000 (10:17 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:19 +0000 (17:25 +0200)
commit3ae85dc62a023ca0956f8f26628494af51a6a824
tree6cb1c975a733aa8ea7327e79ffa8626f48032e04tree | snapshot
parent58d5ea71aaa66767a9d2dbb527c8fdc8ca0c98fecommit | diff
tcp: Fix data-races around sysctl_max_syn_backlog.

[ Upstream commit 79539f34743d3e14cc1fa6577d326a82cc64d62f ]

While reading sysctl_max_syn_backlog, 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>
net/ipv4/tcp_input.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git