From: Dave Jones <davej@redhat.com>
To: Chris Mason <clm@fb.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: btrfs extents related oops.
Date: Tue, 5 Aug 2014 09:56:27 -0400 [thread overview]
Message-ID: <20140805135627.GB25110@redhat.com> (raw)
In-Reply-To: <53E0E1AE.3050705@fb.com>
On Tue, Aug 05, 2014 at 09:52:46AM -0400, Chris Mason wrote:
> On 08/05/2014 09:47 AM, Chris Mason wrote:
> > 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.
>
> Ugh, that's wrong in exciting ways. Thanks Dave, I'll test a patch with
> trinity and get it in.
You'll need the latest tree from git to hit this btw.
https://github.com/kernelslacker/trinity
Dave
prev parent reply other threads:[~2014-08-05 13:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-05 1:28 btrfs extents related oops Dave Jones
2014-08-05 1:57 ` Dave Jones
2014-08-05 13:47 ` Chris Mason
2014-08-05 13:52 ` Chris Mason
2014-08-05 13:56 ` Dave Jones [this message]
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