Changing time causes ipv6 panics

JINMEI Tatuya / 神明達哉 jinmei at isl.rdc.toshiba.co.jp
Wed Jan 18 21:30:41 PST 2006


>>>>> On Sun, 15 Jan 2006 19:44:38 -0500, 
>>>>> Kris Kennaway <kris at 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 at isl.rdc.toshiba.co.jp


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