From owner-freebsd-net@FreeBSD.ORG Mon Jan 30 19:40:09 2006 Return-Path: X-Original-To: net@FreeBSD.org Delivered-To: freebsd-net@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4C8A016A423 for ; Mon, 30 Jan 2006 19:40:09 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id B3C4943D46 for ; Mon, 30 Jan 2006 19:40:08 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id 9B1231A3C23; Mon, 30 Jan 2006 11:40:08 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 60210511CC; Mon, 30 Jan 2006 14:40:07 -0500 (EST) Date: Mon, 30 Jan 2006 14:40:07 -0500 From: Kris Kennaway To: Kris Kennaway Message-ID: <20060130194007.GA66211@xor.obsecurity.org> References: <20060116004438.GA27901@xor.obsecurity.org> <20060123193942.GA44622@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UugvWAfsgieZRqgk" Content-Disposition: inline In-Reply-To: <20060123193942.GA44622@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i Cc: net@FreeBSD.org, "JINMEI Tatuya / ?$B?@L@C#:H" Subject: Re: Changing time causes ipv6 panics X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Jan 2006 19:40:09 -0000 --UugvWAfsgieZRqgk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 23, 2006 at 02:39:42PM -0500, Kris Kennaway wrote: > On Thu, Jan 19, 2006 at 02:30:35PM +0900, JINMEI Tatuya / ?$B?@L@C#:H wro= te: > > >>>>> On Sun, 15 Jan 2006 19:44:38 -0500,=20 > > >>>>> Kris Kennaway said: > >=20 > > > I ran ntpdate on an amd64 system with ipv6 enabled and a skewed clock > > > (ntpdate stepped it back by about an hour), and immediately got a > > > use-after-free panic in ifaddr. When I rebooted with memguard enabled > > > on this malloc type and retried, I got this panic upon changing the > > > date forward, then back, then forward again (also note the garbage > > > return data from ntpdate): > >=20 > > Which version of FreeBSD are you using? >=20 > Up-to-date 7.0. I didn't try it with older versions. >=20 > Kris Do you have any idea about this? Kris --UugvWAfsgieZRqgk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD3muXWry0BWjoQKURArZUAJ9L+90Fgrv/8PLp21NFPXbS2R8lqgCcCe81 QcBQkCSX/gKBdhW7kW4gjhs= =N0xZ -----END PGP SIGNATURE----- --UugvWAfsgieZRqgk--