From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: Re: Problem mounting efivarfs in 3.9 Date: Thu, 07 Mar 2013 15:02:38 +0000 Message-ID: <1362668558.15011.203.camel@mfleming-mobl1.ger.corp.intel.com> References: <20130307145601.GA24233@thinkpad-t410> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130307145601.GA24233@thinkpad-t410> Sender: stable-owner@vger.kernel.org To: Seth Forshee Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, stable@vger.kernel.org, "H. Peter Anvin" , Ingo Molnar List-Id: linux-efi@vger.kernel.org On Thu, 2013-03-07 at 08:56 -0600, 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 patch to allow pstore names is in the pull request I sent to Peter and Ingo yesterday, http://marc.info/?l=linux-kernel&m=136258373231608&w=2