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(parent: 0d8fa3c) | patch
tcp: Fix a data-race around sysctl_tcp_frto.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:15 +0000 (09:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 10:03:44 +0000 (12:03 +0200)
commit6e167ed68999487347441457fe2bed81a2d90905
tree6ee0569e5ffb6de70cdb0deda05aa04ffd6ddf24tree | snapshot
parent0d8fa3c2a442cc0dded3708f081c8e95b1a94622commit | diff
tcp: Fix a data-race around sysctl_tcp_frto.

commit 706c6202a3589f290e1ef9be0584a8f4a3cc0507 upstream.

While reading sysctl_tcp_frto, 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/tcp_input.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git