tcp: Fix data-races around sysctl_tcp_reordering.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:49 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commit46778cd16e6a5ad1b2e3a91f6c057c907379418e
treee2e396c1da88da8fad7300c3615aee565d6b8a26
parent4177f545895b1da08447a80692f30617154efa6e
tcp: Fix data-races around sysctl_tcp_reordering.

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>
net/ipv4/tcp.c
net/ipv4/tcp_input.c
net/ipv4/tcp_metrics.c