From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1Ih27F-0007wd-Fd for mharc-grub-devel@gnu.org; Sun, 14 Oct 2007 07:58:41 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Ih27E-0007wY-95 for grub-devel@gnu.org; Sun, 14 Oct 2007 07:58:40 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Ih27A-0007wD-2Q for grub-devel@gnu.org; Sun, 14 Oct 2007 07:58:39 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ih279-0007wA-VA for grub-devel@gnu.org; Sun, 14 Oct 2007 07:58:35 -0400 Received: from aybabtu.com ([69.60.117.155]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Ih278-0006Bp-W4 for grub-devel@gnu.org; Sun, 14 Oct 2007 07:58:35 -0400 Received: from [192.168.10.6] (helo=thorin) by aybabtu.com with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1Ih26S-00089L-2x for grub-devel@gnu.org; Sun, 14 Oct 2007 13:57:52 +0200 Received: from rmh by thorin with local (Exim 4.63) (envelope-from ) id 1Ih263-0004L5-Ex for grub-devel@gnu.org; Sun, 14 Oct 2007 13:57:27 +0200 Date: Sun, 14 Oct 2007 13:57:27 +0200 From: Robert Millan To: The development of GRUB 2 Message-ID: <20071014115727.GA16638@thorin> References: <20071012161955.GA26491@thorin> <6EA40803-2CCB-42B2-A92D-E33804B93187@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6EA40803-2CCB-42B2-A92D-E33804B93187@gmail.com> Organization: free as in freedom X-Message-Flag: Microsoft discourages use of Outlook. X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.13 (2006-08-11) X-detected-kernel: by monty-python.gnu.org: Genre and OS details not recognized. Subject: Re: [PATCH] ELF program header X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Oct 2007 11:58:40 -0000 On Fri, Oct 12, 2007 at 03:24:06PM -0500, Andrei E. Warkentin wrote: > > I don't think the ELF TIS says anything about location of PHDRs. > That's the whole point of EHDR - so that the location, size of each > entry, and count can be variable. The only invalid case would be for > phoff or phoff + phentcount * phentsize to exceed end of file offset. But what do we know about the segments? Could we be accidentaly overwriting the first segment with our phdr? It didn't happen in any of my tests, but I'm not sure if it's still possible. -- Robert Millan I know my rights; I want my phone call! What use is a phone call, if you are unable to speak? (as seen on /.)