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(parent: 02ca527) | patch
tcp: Fix a data-race around sysctl_tcp_adv_win_scale.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:14 +0000 (09:50 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Jul 2022 11:06:17 +0000 (12:06 +0100)
commit36eeee75ef0157e42fb6593dcc65daab289b559e
treeffd982cc87508e5b1f36be5fa8bfeb96526dfbb5tree | snapshot
parent02ca527ac5581cf56749db9fd03d854e842253ddcommit | diff
tcp: Fix a data-race around sysctl_tcp_adv_win_scale.

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

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tcp.h diff | blob | history
Domain: System / Kernel;