From owner-freebsd-current@FreeBSD.ORG Fri Jul 16 02:41:59 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A1B8316A4CE; Fri, 16 Jul 2004 02:41:59 +0000 (GMT) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 50F5243D45; Fri, 16 Jul 2004 02:41:59 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.0.11] (junior-wifi.samsco.home [192.168.0.11]) (authenticated bits=0) by pooker.samsco.org (8.12.11/8.12.10) with ESMTP id i6G2lZN0039141; Thu, 15 Jul 2004 20:47:36 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <40F74071.70306@samsco.org> Date: Thu, 15 Jul 2004 20:41:53 -0600 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7) Gecko/20040702 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Tim Robbins References: <200407151424.i6FEOdoq060881@fledge.watson.org> <20040715220447.GA32888@xor.obsecurity.org> <6.1.0.6.1.20040715151650.03fae510@popserver.sfu.ca> <20040716010707.GA22394@cat.robbins.dropbear.id.au> In-Reply-To: <20040716010707.GA22394@cat.robbins.dropbear.id.au> X-Enigmail-Version: 0.84.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=3.8 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on pooker.samsco.org cc: re@freebsd.org cc: current@freebsd.org cc: Colin Percival cc: Kris Kennaway Subject: Re: 5.3-RELEASE TODO X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jul 2004 02:41:59 -0000 Tim Robbins wrote: > On Thu, Jul 15, 2004 at 03:20:19PM -0700, Colin Percival wrote: > >>At 15:04 15/07/2004, Kris Kennaway wrote: >> >>>* linprocfs >>>[...] >>> if (pvd->pvd_pid != NO_PID) { >>> if ((proc = pfind(pvd->pvd_pid)) == NULL) >>> PFS_RETURN (ENOENT); >>>--> vap->va_uid = proc->p_ucred->cr_ruid; >>> >>>rwatson has a patch that works around this particular null pointer >>>deref, but the underlying cause is not addressed. >> >>This looks like the "embryonic processes are added to allproc and >>p_hash too soon" bug (cf. kern/68364). Last I heard, tjr was going >>to fix this in the next few days. > > > I was going to, but it turns out that my original solution of not > putting "embryonic" processes on allproc would further break checkdirs() -- > there are already a few kinds of races that can happen there, and I don't > want to add more. > > > Tim Please don't take this the wrong way, but would you consider using a null-modem serial cable and SLIP or PPP instead? PLIP has been neglected nice it was first introduced, and I doubt that it has much life left. Setting up SLIP and PPP is trivially easy and has a much better chance of working between OS's. Scott