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(parent: fb20086) | patch
tcp: Fix a data-race around sysctl_tcp_min_tso_segs.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:22 +0000 (09:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 09:59:39 +0000 (11:59 +0200)
commit558a2949608faf5aaf764e5374ab8bb7ca3ac143
treee20b5612184b78af17bec094102ca5b3f1196905tree | snapshot
parentfb200869eabebc98e5d49200c156c43929b6ec57commit | diff
tcp: Fix a data-race around sysctl_tcp_min_tso_segs.

[ Upstream commit e0bb4ab9dfddd872622239f49fb2bd403b70853b ]

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

Fixes: 95bd09eb2750 ("tcp: TSO packets automatic sizing")
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 | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git