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(parent: a31e2d0) | patch
tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:47 +0000 (10:26 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:22 +0000 (17:25 +0200)
commit404c53ccdebd11f96954f4070cffac8e0b4d5cb6
treefcc80aea3a2723e1b0d75d851a1e0834bc04f176tree | snapshot
parenta31e2d0cb5cfa2aae3144cac04f25031d5d20fb4commit | diff
tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.

[ Upstream commit 7c6f2a86ca590d5187a073d987e9599985fb1c7c ]

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

Fixes: 36e31b0af587 ("net: TCP thin linear timeouts")
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_timer.c diff | blob | history
Domain: System / Kernel;