linux-kernel - Re: btrfs extents related oops.

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Message-ID: <53E0E057.1060007@fb.com>
Date:	Tue, 5 Aug 2014 09:47:03 -0400
From:	Chris Mason <clm@...com>
To:	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: btrfs extents related oops.

On 08/04/2014 09:57 PM, Dave Jones wrote:
> On Mon, Aug 04, 2014 at 09:28:45PM -0400, Dave Jones wrote:
>  > Possibly related to some changes I've been making to my fuzz tester today
>  > to operate on the same file from multiple threads.
>  > This was on v3.16-829-g98959948a7ba, but probably exists on earlier trees too
>  > given the lack of btrfs specific commits so far this merge window.
> 
> reproducer:
> 
> trinity -q -l off -c lseek -c write
> 
> (Things also go very, very bad if you then try to umount that
>  partition - endless oopses, too mangled to parse).

So we're fuzzing lseek and btrfs goes crazy?  Looking.

-chris

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