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Date: Thu, 19 Jan 2006 14:30:35 +0900
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From: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?=
	<jinmei@isl.rdc.toshiba.co.jp>
To: Kris Kennaway <kris@obsecurity.org>
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References: <20060116004438.GA27901@xor.obsecurity.org>
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Cc: net@FreeBSD.org
Subject: Re: Changing time causes ipv6 panics
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>>>>> On Sun, 15 Jan 2006 19:44:38 -0500, 
>>>>> Kris Kennaway <kris@obsecurity.org> said:

> 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):

Which version of FreeBSD are you using?

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei@isl.rdc.toshiba.co.jp