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(parent: b9fe5e1) | patch
tcp: Fix a data-race around sysctl_tcp_rfc1337.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:51 +0000 (10:26 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:14:15 +0000 (17:14 +0200)
commitd9de17ff719d329b86ffe21b0a963f3c419c97e0
tree046590ef6fe07f56d876e92fb03900ff105fc08etree | snapshot
parentb9fe5e15cd7edd6035b7b7f10e134985377f0c62commit | diff
tcp: Fix a data-race around sysctl_tcp_rfc1337.

[ Upstream commit b5475f6aa3a30ecb2b8f7b0a6bcefd2e4ecd5c09 ]

While reading sysctl_tcp_rfc1337, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

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>
net/ipv4/tcp_minisocks.c diff | blob | history
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