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(parent: a494a71) | patch
ANDROID: binder: synchronize_rcu() when using POLLFREE.
authorMartijn Coenen <maco@android.com>
Fri, 16 Feb 2018 08:47:15 +0000 (09:47 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 7 Oct 2019 16:53:19 +0000 (18:53 +0200)
commitb6c6212514fe9f2387fc6677181028d4a9ae20c7
tree9e3fede69bd868901269813d8939d737387807ddtree | snapshot
parenta494a71146a1cf3f48bb94cf33981db1f027e6a0commit | diff
ANDROID: binder: synchronize_rcu() when using POLLFREE.

commit 5eeb2ca02a2f6084fc57ae5c244a38baab07033a upstream.

To prevent races with ep_remove_waitqueue() removing the
waitqueue at the same time.

Reported-by: syzbot+a2a3c4909716e271487e@syzkaller.appspotmail.com
Signed-off-by: Martijn Coenen <maco@android.com>
Cc: stable <stable@vger.kernel.org> # 4.14+
Signed-off-by: Mattias Nissler <mnissler@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/android/binder.c diff | blob | history
Domain: System / Kernel;