Panic in stable/11 (amd64) @r303903: page fault while in kernel mode

David Wolfskill david at catwhisker.org
Thu Aug 11 23:42:52 UTC 2016


On Thu, Aug 11, 2016 at 04:37:26PM -0700, Adrian Chadd wrote:
> Eep. Is this anotehr case where there's a race and ifp is NULL or the
> ll pointer for ifp is NULL or use-after-free'd?

I don't know, but it's the only panic of a similar nature I've seen --
though since on any given day, I'm usually running FreeBSD freshly-built
that morning, "trends" might be a little more difficult to determine.

> I remember bumping into these here and there because we don't seem to
> have a well defined lifecycle for lladdr access. ;(

Well, you're quite welcome to grab the crash data & poke around, or tell
me where to look, and I'll do so.....

> ... 
> >> Gory details (both "normal" and gzipped, and including the crash
> >> dump and crashinfo) are in
> >> <http://www.catwhisker.org/~david/FreeBSD/stable_11/2016.08.10/>.
> ...

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
Those who would murder in the name of God or prophet are blasphemous cowards.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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