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Date: Mon, 23 Jan 2006 14:39:42 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: "JINMEI Tatuya / ?$B?@L@C#:H" <jinmei@isl.rdc.toshiba.co.jp>
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Cc: net@FreeBSD.org, Kris Kennaway <kris@obsecurity.org>
Subject: Re: Changing time causes ipv6 panics
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On Thu, Jan 19, 2006 at 02:30:35PM +0900, JINMEI Tatuya / ?$B?@L@C#:H wrote:
> >>>>> 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?

Up-to-date 7.0.  I didn't try it with older versions.

Kris

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