On Sat, Oct 08, 2016 at 03:02:00AM -0400, Zygo Blaxell wrote:
> On Sat, Oct 08, 2016 at 02:10:08AM -0400, Zygo Blaxell wrote:
> [...]
> > The "write half" of the bug seems to appear first somewhere between v3.8
> > and v3.9. I have not been able to reproduce it with v3.8.13, v3.7.10, or
> > v3.6.1
On Sat, Oct 08, 2016 at 02:10:08AM -0400, Zygo Blaxell wrote:
[...]
> The "write half" of the bug seems to appear first somewhere between v3.8
> and v3.9. I have not been able to reproduce it with v3.8.13, v3.7.10, or
> v3.6.11. I can reproduce it in v3.9.11, v3.12.64, and v3.18.13..v4.7.5.
Afte
(continuing from https://www.spinics.net/lists/linux-btrfs/msg59251.html)
I'm still poking at this bug, and found out some more about it.
Recall that this bug seems to have two parts which together cause data
corruption:
The "write half" of the bug writes a questionable extent structure in
the fi
On Thu, Sep 22, 2016 at 04:42:06PM -0400, Chris Mason wrote:
> On 09/21/2016 07:14 AM, Paul Jones wrote:
> >>-Original Message-
> >>From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> >>ow...@vger.kernel.org] On Behalf Of Zygo Blaxell
> >>Sent: Wednesday, 21 September 2016 2:56 P
On 09/21/2016 07:14 AM, Paul Jones wrote:
-Original Message-
From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
ow...@vger.kernel.org] On Behalf Of Zygo Blaxell
Sent: Wednesday, 21 September 2016 2:56 PM
To: linux-btrfs@vger.kernel.org
Subject: btrfs rare silent data corruption
On Thu, 2016-09-22 at 19:49 +0200, Kai Krakow wrote:
> I think mysql data files
> have
> their own checksumming
Last time I've checked it, none of the major DBs or VM-image formats
had this... postgresql being the only one supporting something close to
fs level csumming (but again not per default).
Am Wed, 21 Sep 2016 09:02:09 -0400
schrieb Zygo Blaxell :
> On Wed, Sep 21, 2016 at 11:14:35AM +, Paul Jones wrote:
> > > -Original Message-
> > > From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> > > ow...@vger.kernel.org] On Behalf Of Zygo Blaxell
> > > Sent: Wednesday,
On Wed, Sep 21, 2016 at 11:14:35AM +, Paul Jones wrote:
> > -Original Message-
> > From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> > ow...@vger.kernel.org] On Behalf Of Zygo Blaxell
> > Sent: Wednesday, 21 September 2016 2:56 PM
> > To: linux-btrfs@vger.kernel.org
> > Sub
> -Original Message-
> From: linux-btrfs-ow...@vger.kernel.org [mailto:linux-btrfs-
> ow...@vger.kernel.org] On Behalf Of Zygo Blaxell
> Sent: Wednesday, 21 September 2016 2:56 PM
> To: linux-btrfs@vger.kernel.org
> Subject: btrfs rare silent data corruption with kernel data leak
>
> Summa