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

author	Kuniyuki Iwashima <kuniyu@amazon.com>
	Fri, 15 Jul 2022 17:17:50 +0000 (10:17 -0700)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Fri, 29 Jul 2022 15:14:13 +0000 (17:14 +0200)
commit	559de8e17debcdbc1fb64bb10fe92608792c6d15
tree	a7899da7db8971c365c2e1dd38d701dfcea30e49	tree \| snapshot
parent	c4abd2fd070eaf299631223b01670b1eeeee81be	commit \| diff

tcp: Fix data-races around some timeout sysctl knobs.

[ Upstream commit a58deff4c7e8cced5ce8b29a9b509d7b09f9a789 ]

While reading these sysctl knobs, they can be changed concurrently.
Thus, we need to add READ_ONCE() to their readers.

  - tcp_retries1
  - tcp_retries2
  - tcp_orphan_retries
  - tcp_fin_timeout

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
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
net/ipv4/tcp.c		diff \| blob \| history
net/ipv4/tcp_output.c		diff \| blob \| history
net/ipv4/tcp_timer.c		diff \| blob \| history