Date: Sun, 5 Sep 1999 20:28:22 -0400 (EDT) From: "Brian F. Feldman" <green@FreeBSD.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, Nick Hibma <hibma@skylink.it>, FreeBSD -- The Power to Serve <geniusj@free-bsd.org>, Mike Tancsa <mike@sentex.net>, freebsd-security@FreeBSD.org Subject: Re: FW: Local DoS in FreeBSD Message-ID: <Pine.BSF.4.10.9909052026560.98872-100000@janus.syracuse.net> In-Reply-To: <199909051637.JAA68325@apollo.backplane.com>
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On Sun, 5 Sep 1999, Matthew Dillon wrote:
>
> :> old value of ui_sbsize when uip is not NULL. That may make the
> :> problem more obvious.
> :
> :I've gdb'd every crash and it's been something like ui_sbsize = 0x1234
> :delta = -0x2000.
> :
> : Brian Fundakowski Feldman / "Any sufficiently advanced bug is \
>
> 0x1234 could be an indication of a reference to a data structure
> which has been freed.
That would be 0xdeadc0de, but it wasn't actually 0x1234. It was something
else somewhat similar. After tracking down the problem k6_mem.c has, I may
look much more into this.
>
> -Matt
> Matthew Dillon
> <dillon@backplane.com>
>
--
Brian Fundakowski Feldman / "Any sufficiently advanced bug is \
green@FreeBSD.org | indistinguishable from a feature." |
FreeBSD: The Power to Serve! \ -- Rich Kulawiec /
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