Re: btrfs extents related oops.

From: Chris Mason
Date: Tue Aug 05 2014 - 09:47:22 EST


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/