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(parent: f240d0c) | patch
tcp: Fix a data-race around sysctl_tcp_app_win.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:13 +0000 (09:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 09:59:37 +0000 (11:59 +0200)
commitf4b83df0110569cf0ca33e4e01ae59adbbc8710a
tree4824965e54839d85b652bc698bd20f749b4fe920tree | snapshot
parentf240d0cad26c3778e30d404afa093c25148ed8c5commit | diff
tcp: Fix a data-race around sysctl_tcp_app_win.

commit 02ca527ac5581cf56749db9fd03d854e842253dd upstream.

While reading sysctl_tcp_app_win, 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 | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git