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(parent: 55be873) | patch
tcp: Fix a data-race around sysctl_tcp_tw_reuse.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:52 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commitcbfc6495586a3f09f6f07d9fb3c7cafe807e3c55
tree4090ac359212a03c401ae2bebb077e91bf0ecec5tree | snapshot
parent55be873695ed8912eb77ff46d1d1cadf028bd0f3commit | diff
tcp: Fix a data-race around sysctl_tcp_tw_reuse.

While reading sysctl_tcp_tw_reuse, 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_ipv4.c diff | blob | history
Domain: System / Kernel;