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Date: Tue, 27 Mar 2012 16:36:59 -0400
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From: Ryan Stone <rysto32@gmail.com>
To: Gleb Smirnoff <glebius@freebsd.org>
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Subject: Re: kern/165863
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On Fri, Mar 9, 2012 at 4:30 AM, Gleb Smirnoff <glebius@freebsd.org> wrote:
> The following reply was made to PR kern/165863; it has been noted by GNAT=
S.
>
> From: Gleb Smirnoff <glebius@FreeBSD.org>
> To: Eric van Gyzen <eric_van_gyzen@dell.com>,
> =A0 =A0 =A0 =A0Eric van Gyzen <eric@vangyzen.net>, emaste@FreeBSD.org
> Cc: bug-followup@FreeBSD.org
> Subject: kern/165863
> Date: Fri, 9 Mar 2012 13:20:56 +0400
>
> =A0--BXVAT5kNtrzKuDFl
> =A0Content-Type: text/plain; charset=3Dkoi8-r
> =A0Content-Disposition: inline
>
> =A0 Hello, Eric and Ed.
>
> =A0 Can you look at this patch? I decided to utilize newer callout API,
> =A0that allows to delegate lock retrieval to the callout subsystem, and
> =A0this makes things simplier. Hope that should work.
>
> =A0 Patch is against head.
>
> =A0 Eric, can you please send me your test programs, that you use to
> =A0reproduce the bug?

I tested this patch today on head and 8.2-RELEASE.  I was unable to
reproduce any crashes, whereas before I could crash the system within
minutes.

However it appears that in6_lltable_prefix_free is similarly broken.
The only saving grace is that there does not appear to be a code path
that can actually call it.