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(parent: 79539f3) | patch
tcp: Fix data-races around sysctl_tcp_fastopen.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:54 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:54 +0000 (12:21 +0100)
commit5a54213318c43f4009ae158347aa6016e3b9b55a
tree35efe5034a35dcd8dbee8b0d93d7c03b48dc2d87tree
parent79539f34743d3e14cc1fa6577d326a82cc64d62fcommit | diff
tcp: Fix data-races around sysctl_tcp_fastopen.

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

Fixes: 2100c8d2d9db ("net-tcp: Fast Open base")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/af_inet.c diff | blob | history
net/ipv4/tcp.c diff | blob | history
net/ipv4/tcp_fastopen.c diff | blob | history
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