From: Eric Sandeen <sandeen@redhat.com>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: ext4 development <linux-ext4@vger.kernel.org>
Subject: Re: more resize breakage
Date: Thu, 29 May 2014 00:29:35 -0500 [thread overview]
Message-ID: <5386C5BF.7080202@redhat.com> (raw)
In-Reply-To: <20140529052733.GD17413@birch.djwong.org>
On 5/29/14, 12:27 AM, Darrick J. Wong wrote:
> On Thu, May 29, 2014 at 12:22:37AM -0500, Eric Sandeen wrote:
>> After considering how many resize2fs corruptions we've had, I decided to try to write a resize fuzzer which picks random parameters and sizes, and sees what happens with online & offline grow & offline shrink. When I get it cleaner, I'll send it out to play with.
>>
>> But it is indeed finding resize issues; for example, with e2fsprogs git master & v3.15-rc3,
<snip>
>> Sad face. :(
>
> D'oh!
>
> /me wonders, is offline grow any better?
Yes, offline passed.
> Also I "extended" fsfuzz to corrupt only metadata blocks and made the
> kernel+e2fsck chew through all that crap. The kernel survived, but e2fsck
> seemed to die either failing to allocate blocks to resurrect the journal (bad
> bbitmap) or because of that thing where calling block_iterate on an inline data
> file makes e2fsck abort.
>
> So, uh, ... long live the patchbomb? :(
yeah. Maybe I (you?) should try my testcase w/ your latest patchbomb. ;)
-Eric
next prev parent reply other threads:[~2014-05-29 5:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-29 5:22 more resize breakage Eric Sandeen
2014-05-29 5:27 ` Darrick J. Wong
2014-05-29 5:29 ` Eric Sandeen [this message]
2014-05-29 6:00 ` Darrick J. Wong
2014-05-29 6:09 ` Theodore Ts'o
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