git.baikalelectronics.ru Git - kernel.git/commit

author	Kuniyuki Iwashima <kuniyu@amazon.com>
	Fri, 15 Jul 2022 17:17:55 +0000 (10:17 -0700)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Fri, 29 Jul 2022 15:25:19 +0000 (17:25 +0200)
commit	bdc4526a3c422bebc7f2b31754b1488bd9ea376a
tree	bc029eac6f0476f07b8fbfd9f8f9757335587d73	tree \| snapshot
parent	783d91446d9270e84c7f71915acb3bec81a911f3	commit \| diff

tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.

[ Upstream commit 6e7c83d66adfdc4ae7fbb379016311b3eaf1e75c ]

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

Fixes: 75282cd4bef8 ("net/tcp_fastopen: Disable active side TFO in certain scenarios")
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>