linux-kernel - Re: general protection fault in io_disable_sqo

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Message-ID: <a32cf443-3261-53ce-aeba-b49e93e6f9d8@gmail.com>
Date:   Fri, 15 Jan 2021 12:45:29 +0000
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Hillf Danton <hdanton@...a.com>
Cc:     syzbot <syzbot+ab412638aeb652ded540@...kaller.appspotmail.com>,
        axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: general protection fault in io_disable_sqo_submit

On 15/01/2021 09:33, Hillf Danton wrote:
>> Thanks, but it was fixed the day before
>>
> It helps much if you can add a link to the fix next time.

https://git.kernel.dk/cgit/linux-block/commit/?h=io_uring-5.11&id=b4411616c26f26c4017b8fa4d3538b1a02028733
https://git.kernel.dk/cgit/linux-block/commit/?h=io_uring-5.11&id=06585c497b55045ec21aa8128e340f6a6587351c

sure, for this report and the other report 

> 
> Apart from that, I do not think it is a complete fix yet - it only
> fixes what Reported-by: syzbot+9c9c35374c0ecac06516@...kaller.appspotmail.com
> though correct, but the one-line fix is unable to cover this report,
> as per the Call Trace in both reports.
> 
> Feel free to double check if what you trimmed fixes both reports.

I believe they do (when considered together).

-- 
Pavel Begunkov