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(parent: fcf6c6d) | patch
tcp: Fix data-races around sysctl_tcp_reordering.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:49 +0000 (10:17 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:18 +0000 (17:25 +0200)
commitf6ce6556958c080df6ac123b9d5371b170c4f15b
tree5a209886ebcb0265bccfc9c681bc2f672435edd7tree | snapshot
parentfcf6c6d8aeffebca66f37b17ef1b57112e5e09c1commit | diff
tcp: Fix data-races around sysctl_tcp_reordering.

[ Upstream commit 46778cd16e6a5ad1b2e3a91f6c057c907379418e ]

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

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.c diff | blob | history
net/ipv4/tcp_input.c diff | blob | history
net/ipv4/tcp_metrics.c diff | blob | history
Domain: System / Kernel;