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(parent: ffc388f) | patch
tcp: Fix a data-race around sysctl_tcp_early_retrans.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:45 +0000 (10:26 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:19:21 +0000 (17:19 +0200)
commit11e8b013d16e5db63f8f76acceb5b86964098aaa
treedacf699ad1cba8e2ccfefd81a9c03c8b64c11d63tree
parentffc388f6f0d65f2a59798d883c63205919e6d452commit | diff
tcp: Fix a data-race around sysctl_tcp_early_retrans.

[ Upstream commit 52e65865deb6a36718a463030500f16530eaab74 ]

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

Fixes: eed530b6c676 ("tcp: early retransmit")
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
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