Date: Wed, 30 Jul 2003 21:52:23 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Scot Loach <sloach@sandvine.com> Cc: "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org> Subject: Re: kernel panic Message-ID: <20030731045223.GA35485@rot13.obsecurity.org> In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C8533701AE868E@mail.sandvine.com>
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[-- Attachment #1 --] On Wed, Jul 30, 2003 at 06:41:03PM -0400, Scot Loach wrote: > Yesterday I had a kernel panic on a FreeBSD 4.7 system. Looking at the core > dump, it was caused by a corrupted uidinfo pointer referenced by a tcp pcb. > I searched through the archives and found an identical stack trace in this > message from 2000: > > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=322837+0+archive/2000/freebsd-s > table/20000625.freebsd-stable > > This was apparently fixed by a patch discussed in this thread. > > http://www.geocrawler.com/archives/3/171/2000/11/0/4718890/ > > The patch was applied to version 1.66 and 1.67 of /sys/kern/kern_resource.c > > I browsed through the CVS for these changes, but found no evidence of them > ever being merged to RELENG_4. > > This is a real memory corruption in the kernel. If these changes were never > merged, does anyone know wny? Can anyone suggest a course of action to > resolve this? It looks like most of the content of those commits were 5.0 specific, but you'd have to ask the committer about strategies for merging the behaviour. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE/KKCHWry0BWjoQKURAtIJAKCqOs8Knu5yaRmDy9u66miWFsucCQCeKkVk jCs7T26yluuJ9qbmPEcjr4s= =cIrq -----END PGP SIGNATURE-----help
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