From owner-freebsd-net@FreeBSD.ORG Thu Feb 15 21:18:07 2007 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3798B16A408 for ; Thu, 15 Feb 2007 21:18:07 +0000 (UTC) (envelope-from dudu@dudu.ro) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.238]) by mx1.freebsd.org (Postfix) with ESMTP id 02FAB13C442 for ; Thu, 15 Feb 2007 21:18:06 +0000 (UTC) (envelope-from dudu@dudu.ro) Received: by nz-out-0506.google.com with SMTP id i11so743196nzh for ; Thu, 15 Feb 2007 13:18:06 -0800 (PST) Received: by 10.64.241.3 with SMTP id o3mr3711132qbh.1171574286084; Thu, 15 Feb 2007 13:18:06 -0800 (PST) Received: by 10.64.220.15 with HTTP; Thu, 15 Feb 2007 13:18:06 -0800 (PST) Message-ID: Date: Thu, 15 Feb 2007 23:18:06 +0200 From: "Vlad GALU" To: freebsd-net@freebsd.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Subject: Re: bge0: discard frame w/o packet header X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Feb 2007 21:18:07 -0000 On 2/15/07, Kip Macy wrote: > > > > The "discard frame w/o packet header" message comes from ether_input() > > if it gets an mbuf that doesn't have the M_PKTHDR flag set. That > > can't happen unless something is very wrong with the system. I'd like > > to make it a panic. At least then the machine would reboot instead of > > just becoming unreachable. Any objections? > > Please don't make it the default. Odds are ifconfig down, ifconfig up > would fix it for those of us with console access. Either way it sounds > like someone has discovered a DOS in bge. It's present in at least sk(4) as well. I saw it recently. > -Kip > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- If it's there, and you can see it, it's real. If it's not there, and you can see it, it's virtual. If it's there, and you can't see it, it's transparent. If it's not there, and you can't see it, you erased it.