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(parent: b2b8ddc) | patch
tcp: Fix data-races around sysctl_tcp_base_mss.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:52:01 +0000 (13:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jul 2022 10:49:55 +0000 (11:49 +0100)
commit6c26e6460afa9e4a9dc62b1d1cb70ac3dea1b43d
treec76a6a482e4b6238c272aac7170c9b99491f3629tree | snapshot
parentb2b8ddceda6a3584dbb3cd20669f9dccb7f4dc51commit | diff
tcp: Fix data-races around sysctl_tcp_base_mss.

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

Fixes: 5eb6c2893ed1 ("[TCP]: MTU probing")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c diff | blob | history
net/ipv4/tcp_timer.c diff | blob | history
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