From owner-cvs-src  Thu Mar 20 12:27:15 2003
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Date: Thu, 20 Mar 2003 15:25:31 -0500 (EST)
From: Jeff Roberson <jroberson@chesapeake.net>
To: "Evgueni V. Gavrilov" <aquatique@rusunix.org>
Cc: Kirk McKusick <mckusick@beastie.mckusick.com>,
	Poul-Henning Kamp <phk@phk.freebsd.dk>, <dwmalone@FreeBSD.org>,
	Mike Makonnen <mtm@identd.net>, <src-committers@FreeBSD.org>,
	<cvs-src@FreeBSD.org>, <cvs-all@FreeBSD.org>
Subject: Re: kern/42277
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On Thu, 20 Mar 2003, Evgueni V. Gavrilov wrote:

> Evgueni V. Gavrilov wrote:
>
> >> Have you tried aggressively setting the word @64 to random values ?
> >> With a little luck this will make some code somewhere unhappy and
> >> you might get a hint who's responsible ?
> > well, really overbold idea :-)
> > I'll try it right now.
> well, I followed this advise and after defining trashed memory I set unused field to 0xffffffff.
> I've been waiting for the hit more than 2 adys, but haven't got it. :-(
>
> But I've just received this console messages:
> Mar 20 15:10:35 <kern.crit> rshb /kernel: bad block -65536, ino 21699
> Mar 20 15:10:35 <kern.err> rshb /kernel: pid 6 (syncer), uid 66 on /var: bad block
> Mar 20 15:10:35 <kern.crit> rshb /kernel: handle_workitem_freeblocks: block count
>
> block number (-65536) looks like invalid.
> find /var -inum 21699 found file /var/lock/browse.dat (this file got corrupted).
>
>
Any luck with recording the malloc_type of the previous owner?  This will
tell you who is most likely to have written to the memory.


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