linux-ext4 - Re: [patch] e4defrag: relevant file fragmentation: fix arithmetic error as non-root

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Message-ID: <4C7E0A47.7010206@sx.jp.nec.com>
Date:	Wed, 01 Sep 2010 17:09:43 +0900
From:	Kazuya Mio <k-mio@...jp.nec.com>
To:	Andreas Rid <andreas@...-net.de>
CC:	linux-ext4@...r.kernel.org
Subject: Re: [patch] e4defrag: relevant file fragmentation: fix arithmetic
 error as non-root

Hi Andreas,

I will send the patch "[RFC][PATCH V2 5/5] e4defrag: add solving relevant file
fragmentation mode" includes your patches next time.

2010/08/30 0:01, Andreas Rid wrote:
> I found a bug on your patch "[RFC][PATCH V2 5/5] e4defrag: add solving relevant file fragmentation mode"
> 
> The variable "blocks_per_group" is only initialized as root cause of restrict access to the super-block.
> As a non root user this cause an arithmetic error in function relevant_balloc

You're right. Thanks.

Regards,
Kazuya Mio
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