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Re: oops from deliberate block trashing (of course!)

To: "Michael L. Semon" <mlsemon35@xxxxxxxxx>
Subject: Re: oops from deliberate block trashing (of course!)
From: Ben Myers <bpm@xxxxxxx>
Date: Thu, 28 Mar 2013 10:44:23 -0500
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CAJzLF9nPt9aOrH+Dj12b5os74XT8ke9g4G=DA9xgR0AyehvaBA@xxxxxxxxxxxxxx>
References: <CAJzLF9nPt9aOrH+Dj12b5os74XT8ke9g4G=DA9xgR0AyehvaBA@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
Hey Michael,

On Thu, Mar 28, 2013 at 01:18:24AM -0400, Michael L. Semon wrote:
> Hi!  This report was requested by Dave because I was praising
> xfs_repair and didn't fully describe the problem that xfs_repair was
> repairing.  Blame me if this is a bad bug report or a matter of XFS
> just doing its job.
> I'm trying to come up with a fair FS-agnostic test to corrupt bytes
> and see how file systems and recovery tools respond after that.

Great bug report!  It's really neat that you're doing this.  ;)

You might be able to find a FS-agnostic fuzzer by doing a search for
'filesystem fuzzer'.  It's not an area that I've explored much myself, so I'm
just throwing that out there.  e.g.

Nice work!


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