From owner-freebsd-bugs@FreeBSD.ORG Fri Jan 7 23:08:20 2005 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5AEE816A4CE for ; Fri, 7 Jan 2005 23:08:20 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.199.47.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0CB3743D55 for ; Fri, 7 Jan 2005 23:08:20 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id C9CA0513CE; Fri, 7 Jan 2005 15:09:08 -0800 (PST) Date: Fri, 7 Jan 2005 15:09:08 -0800 From: Kris Kennaway To: Sean Whalen Message-ID: <20050107230908.GA32344@xor.obsecurity.org> References: <41DF11EC.1070003@node99.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="zhXaljGHf11kAtnf" Content-Disposition: inline In-Reply-To: <41DF11EC.1070003@node99.org> User-Agent: Mutt/1.4.2.1i cc: freebsd-bugs@freebsd.org Subject: Re: Potential user/kernel pointer bugs identified in FreeBSD 5.3 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jan 2005 23:08:20 -0000 --zhXaljGHf11kAtnf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 07, 2005 at 02:49:16PM -0800, Sean Whalen wrote: > Hello, >=20 > We recently analyzed the FreeBSD 5.3 kernel source for user/kernel=20 > pointer bugs using the Cqual tool (http://cqual.sourcefornet.net). > Previous work has done the same with the Linux kernel. >=20 > The paper is available here: http://www.node99.org/projects/bsduk/ > On page 10 is an example trace of one such potential bug. If there is=20 > interest, we have traces for the others as well. >=20 > Our analysis was limited by RAM, and could be potentially improved by=20 > using a machine with around 10 gigs of RAM for inter-file analysis of=20 > the entire kernel. >=20 > Hopefully this is the right list for such a discussion. Best, freebsd-hackers would be better. Kris --zhXaljGHf11kAtnf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFB3xaUWry0BWjoQKURArgBAJ44FIBhOkApWezUe3dSCy5Bp/4RTwCg2Dm9 Wys8NwBhbXE0k0dkx/w2Z54= =gRy1 -----END PGP SIGNATURE----- --zhXaljGHf11kAtnf--