]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: b9b13b2) | patch
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:51 +0000 (10:17 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:18 +0000 (17:25 +0200)
commitc868290b665015ba76748121bf1bf68bf5e68115
treee8c205f10c847ba15de25d5bc01f7331ad8ad54ctree | snapshot
parentb9b13b2f4243f4d72f2c220a4a38c81f085a2eefcommit | diff
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.

[ Upstream commit 45ff95121d90e1b1e5c8da548e6a36921aee7b09 ]

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

Fixes: 7f900a05a58b ("tcp: TCP_NOTSENT_LOWAT socket option")
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>
include/net/tcp.h diff | blob | history
Linux Kernel Source Tree.