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From: Jens Axboe <[email protected]>
To: Matthew Wilcox <[email protected]>
Cc: syzbot <[email protected]>,
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected]
Subject: Re: inconsistent lock state in xa_destroy
Date: Thu, 8 Oct 2020 09:06:56 -0600	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 10/8/20 9:05 AM, Matthew Wilcox wrote:
> On Thu, Oct 08, 2020 at 09:01:57AM -0600, Jens Axboe wrote:
>> On 10/8/20 9:00 AM, syzbot wrote:
>>> Hello,
>>>
>>> syzbot found the following issue on:
>>>
>>> HEAD commit:    e4fb79c7 Add linux-next specific files for 20201008
>>> git tree:       linux-next
>>> console output: https://syzkaller.appspot.com/x/log.txt?x=12555227900000
>>> kernel config:  https://syzkaller.appspot.com/x/.config?x=568d41fe4341ed0f
>>> dashboard link: https://syzkaller.appspot.com/bug?extid=cdcbdc0bd42e559b52b9
>>> compiler:       gcc (GCC) 10.1.0-syz 20200507
>>>
>>> Unfortunately, I don't have any reproducer for this issue yet.
>>>
>>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>>> Reported-by: [email protected]
>>
>> Already pushed out a fix for this, it's really an xarray issue where it just
>> assumes that destroy can irq grab the lock.
> 
> ... nice of you to report the issue to the XArray maintainer.

This is from not even 12h ago, 10h of which I was offline. It wasn't on
the top of my list of priority items to tackle this morning, but it
is/was on the list.

-- 
Jens Axboe


  reply	other threads:[~2020-10-08 15:06 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-08 15:00 inconsistent lock state in xa_destroy syzbot
2020-10-08 15:01 ` Jens Axboe
2020-10-08 15:05   ` Matthew Wilcox
2020-10-08 15:06     ` Jens Axboe [this message]
2020-10-08 15:28       ` Matthew Wilcox
2020-10-08 15:32         ` Jens Axboe
2020-10-08 21:14 ` syzbot
2020-10-08 22:27   ` Matthew Wilcox
2020-10-09  0:55     ` Jens Axboe

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