Date: Mon, 30 Jan 2006 14:40:07 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Kris Kennaway <kris@obsecurity.org> Cc: net@FreeBSD.org, "JINMEI Tatuya / ?$B?@L@C#:H" <jinmei@isl.rdc.toshiba.co.jp> Subject: Re: Changing time causes ipv6 panics Message-ID: <20060130194007.GA66211@xor.obsecurity.org> In-Reply-To: <20060123193942.GA44622@xor.obsecurity.org> References: <20060116004438.GA27901@xor.obsecurity.org> <y7vzmlsaio4.wl%jinmei@isl.rdc.toshiba.co.jp> <20060123193942.GA44622@xor.obsecurity.org>
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--UugvWAfsgieZRqgk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 23, 2006 at 02:39:42PM -0500, Kris Kennaway wrote: > On Thu, Jan 19, 2006 at 02:30:35PM +0900, JINMEI Tatuya / ?$B?@L@C#:H wro= te: > > >>>>> On Sun, 15 Jan 2006 19:44:38 -0500,=20 > > >>>>> Kris Kennaway <kris@obsecurity.org> 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--
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