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(parent: cf71ef2) | 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)
commit6e7c83d66adfdc4ae7fbb379016311b3eaf1e75c
tree1eb5186ef049d12e569d65fccf1657065dfc618ctree | snapshot
parentcf71ef211ca1e9a039c45f9d1a4fac49472d1447commit | 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: 75282cd4bef8 ("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
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