From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: [PATCH 0/2] ->flush() fixes
Date: Mon, 28 Sep 2020 15:23:58 +0300 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 28/09/2020 14:49, Pavel Begunkov wrote:
> It might fix flush() problems reported by syzkaller, but I haven't
> verified it. Jens, please tell if there was a good reason to have
> io_sq_thread_stop() in io_uring_flush().
It looks like it shouldn't be a problem removing it, because an
sqpoll task sets req->task to itself, and such requests are
cancelled and waited by io_uring_release() if that is required.
>
> Pavel Begunkov (2):
> io_uring: fix use-after-free ->files
> io_uring: fix unsynchronised removal of sq_data
>
> fs/io_uring.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
--
Pavel Begunkov
next prev parent reply other threads:[~2020-09-28 12:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-28 11:49 [PATCH 0/2] ->flush() fixes Pavel Begunkov
2020-09-28 11:49 ` [PATCH 1/2] io_uring: fix use-after-free ->files Pavel Begunkov
2020-09-28 11:49 ` [PATCH 2/2] io_uring: fix unsynchronised removal of sq_data Pavel Begunkov
2020-09-28 12:23 ` Pavel Begunkov [this message]
2020-09-28 13:35 ` [PATCH 0/2] ->flush() fixes Jens Axboe
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