From: Arnd Bergmann <arnd@arndb.de>
To: Carsten Otte <cotte@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Yan Zheng <yanzheng@21cn.com>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [BUG?]Set XIP mount option on ext2 bypass check.
Date: Fri, 22 Jun 2007 01:22:41 +0200 [thread overview]
Message-ID: <200706220122.41586.arnd@arndb.de> (raw)
In-Reply-To: <1182431869.7145.7.camel@cotte.boeblingen.de.ibm.com>
On Thursday 21 June 2007, Carsten Otte wrote:
>
> This is an updated version of my bugfix patch. Yan Zheng pointed out,
> that ext2_remount lacks checking if -o xip should be enabled or not.
> This patch checks for presence of direct_access on the backing block
> device and if the blocksize meets the requirements.
> Andrew, please consider adding this patch to -mm.
>
> Signed-off-by: Carsten Otte <cotte@de.ibm.com>
It looks to me like a local denial of service attack in case of
user-mountable ext2 file systems in /etc/fstab.
Shouldn't that make it go into 2.6.22?
Arnd <><
next prev parent reply other threads:[~2007-06-21 23:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4679A58C.2080008@21cn.com>
2007-06-21 1:40 ` Yan Zheng
2007-06-21 11:17 ` Carsten Otte
2007-06-21 13:17 ` Carsten Otte
2007-06-21 23:22 ` Arnd Bergmann [this message]
2007-06-22 12:19 ` Satyam Sharma
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