linux-kernel - Re: Problem mounting efivarfs in 3.9

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Message-ID: <2fd64c1f6943602b91c8f28a45243e20@shealevy.com>
Date:	Thu, 07 Mar 2013 10:00:47 -0500
From:	shea@...alevy.com
To:	Matt Fleming <matt.fleming@...el.com>,
	<linux-kernel@...r.kernel.org>, <linux-efi@...r.kernel.org>,
	<stable@...r.kernel.org>
Subject: Re: Problem mounting efivarfs in 3.9

Hi Seth,

On 2013-03-07 09:56, Seth Forshee wrote:
> Hi Matt,
>
> I found myself unable to mount efivarfs on one of my machines in 3.9.
> This is due to your patch to be more aggressive about validating
> filenames. This machine had some crash dumps from pstore, which start
> with "dump-type". However now efivars expects the guid to follow the
> first '-' character, despite the fact that the efivars pstore code is
> creating the file names starting with dump-type. Since these names 
> fail
> the validation the mount fails.
>

A fix for this is already in mfleming/efi.git: 
http://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/commit/?h=urgent&id=123abd76edf56c02a76b46d3d673897177ef067b 
. It's included in the efi-for-3.9-rc2 tag, and cc'd stable.

Cheers,
Shea Levy
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