io_uring: if we see flush on exit, cancel related tasks
[ Upstream commit 84965ff8 ] Ensure we match tasks that belong to a dead or dying task as well, as we need to reap those in addition to those belonging to the exiting task. Cc: stable@vger.kernel.org # 5.9+ Reported-by: Josef Grieb <josef.grieb@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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