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(parent: 706c620) | patch
tcp: Fix a data-race around sysctl_tcp_nometrics_save.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:16 +0000 (09:50 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Jul 2022 11:06:17 +0000 (12:06 +0100)
commit8499a2454d9e8a55ce616ede9f9580f36fd5b0f3
tree180282d27d317a32fa51643db6677b71e3d59f14tree | snapshot
parent706c6202a3589f290e1ef9be0584a8f4a3cc0507commit | diff
tcp: Fix a data-race around sysctl_tcp_nometrics_save.

While reading sysctl_tcp_nometrics_save, 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>
net/ipv4/tcp_metrics.c diff | blob | history
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