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(parent: 9fb9019) | patch
tcp: Fix a data-race around sysctl_tcp_challenge_ack_limit.
authorKuniyuki Iwashima <[email protected]>
Wed, 20 Jul 2022 16:50:21 +0000 (09:50 -0700)
committerDavid S. Miller <[email protected]>
Fri, 22 Jul 2022 11:06:17 +0000 (12:06 +0100)
commitdb3815a2fa691da145cfbe834584f31ad75df9ff
treea45bbe61604449df4e6acaa3cb15c42a9d95b437tree | snapshot
parent9fb90193fbd66b4c5409ef729fd081861f8b6351commit | diff
tcp: Fix a data-race around sysctl_tcp_challenge_ack_limit.

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

Fixes: 282f23c6ee34 ("tcp: implement RFC 5961 3.2")
Signed-off-by: Kuniyuki Iwashima <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
net/ipv4/tcp_input.c diff | blob | blame | history
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