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(parent: 03bb389) | 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 15:19:22 +0000 (17:19 +0200)
commit805f1c7ce47030dbb663b7d2a84c9473a27df774
tree5a245c136b30b7d5aeecb0d27011a8de66826c67tree
parent03bb3892f3f18fd98717aa6763ab3885416e69d0commit | diff
tcp: Fix a data-race around sysctl_tcp_rfc1337.

[ Upstream commit 0b484c91911e758e53656d570de58c2ed81ec6f2 ]

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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