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(parent: 4d7dea6) | patch
tcp: Fix data-races around sysctl_tcp_min_snd_mss.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:52:02 +0000 (13:52 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:14 +0000 (17:25 +0200)
commit0fc9357282df055e30990b29f4b7afa53ab42cdb
tree579e7354edfc07a1232532c4e56f0d51e06ea187tree | snapshot
parent4d7dea651b7fe0322be95054f64e3711afccc543commit | diff
tcp: Fix data-races around sysctl_tcp_min_snd_mss.

[ Upstream commit 78eb166cdefcc3221c8c7c1e2d514e91a2eb5014 ]

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

Fixes: 5f3e2bf008c2 ("tcp: add tcp_min_snd_mss sysctl")
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_output.c diff | blob | history
net/ipv4/tcp_timer.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git