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(parent: cadd859) | patch
tcp: Fix data-races around sysctl_tcp_recovery.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:46 +0000 (10:26 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Jul 2022 09:14:50 +0000 (10:14 +0100)
commit5148f9fc2f5597496099c538ac4d46a941be3eb6
treeb31a9f6cf32b890ab218549be7a0800c59281dbctree | snapshot
parentcadd859b45b7dee4d1694247cad2bcded6485a63commit | diff
tcp: Fix data-races around sysctl_tcp_recovery.

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

Fixes: 7e0a80dae3ff ("tcp: use RACK to detect losses")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c diff | blob | history
net/ipv4/tcp_recovery.c diff | blob | history
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