From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: NFS4 crack Date: Mon, 19 Sep 2005 20:05:06 +0100 Message-ID: <20050919190506.GA28106@infradead.org> References: <20050919133921.GA12208@lst.de> <20050919180240.GA26470@infradead.org> <20050919190117.GB26122@fieldses.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , Bryan Henderson , Christoph Hellwig , akpm@osdl.org, andros@citi.umich.edu, linux-fsdevel@vger.kernel.org, neilb@cse.unsw.edu.au Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:30598 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S932586AbVISTFN (ORCPT ); Mon, 19 Sep 2005 15:05:13 -0400 To: "J. Bruce Fields" Content-Disposition: inline In-Reply-To: <20050919190117.GB26122@fieldses.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Mon, Sep 19, 2005 at 03:01:17PM -0400, J. Bruce Fields wrote: > > > because we don't do it today. I have a system that has highly customized > > > file names, so I'm pretty familiar with all the world's hardcoded file > > > names. ISTR the Linux kernel hardcodes /sbin/init, /bin/sh, and > > > /sbin/modprobe. > > > > They are not nice, but quite a bit different, as we are trying to execute > > them, which can't have bad side-effects in case they don't exist. > > What bad side-effects are you thinking of here? Sorry s/don't exist/& as expected/ think of your directory as symlink to something important, you'll just mess with it confuse nfsd, whipe parts out. All kinds of nasty things can happen.