From: Jens Axboe <[email protected]>
To: [email protected], Pavel Begunkov <[email protected]>
Subject: Re: [PATCH 1/1] io_uring: fix drain stalls by invalid SQE
Date: Wed, 09 Aug 2023 09:36:50 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <66096d54651b1a60534bb2023f2947f09f50ef73.1691538547.git.asml.silence@gmail.com>
On Wed, 09 Aug 2023 13:21:41 +0100, Pavel Begunkov wrote:
> cq_extra is protected by ->completion_lock, which io_get_sqe() misses.
> The bug is harmless as it doesn't happen in real life, requires invalid
> SQ index array and racing with submission, and only messes up the
> userspace, i.e. stall requests execution but will be cleaned up on
> ring destruction.
>
>
> [...]
Applied, thanks!
[1/1] io_uring: fix drain stalls by invalid SQE
commit: 5e7d637400a25141e330c3c3b0a73440d58e194d
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2023-08-09 15:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-09 12:21 [PATCH 1/1] io_uring: fix drain stalls by invalid SQE Pavel Begunkov
2023-08-09 15:36 ` Jens Axboe [this message]
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