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(parent: 5a54213) | patch
tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:55 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commit021266ec640c7a4527e6cd4b7349a512b351de1d
tree1eb5186ef049d12e569d65fccf1657065dfc618ctree | snapshot
parent5a54213318c43f4009ae158347aa6016e3b9b55acommit | diff
tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.

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

Fixes: cf1ef3f0719b ("net/tcp_fastopen: Disable active side TFO in certain scenarios")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_fastopen.c diff | blob | history
Domain: System / Kernel;