Date: Thu, 11 Aug 2016 16:42:50 -0700 From: David Wolfskill <david@catwhisker.org> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: "stable@freebsd.org" <stable@freebsd.org> Subject: Re: Panic in stable/11 (amd64) @r303903: page fault while in kernel mode Message-ID: <20160811234250.GC1112@albert.catwhisker.org> In-Reply-To: <CAJ-Vmon6Rak07ux%2BZX8ySnxkgn5Sv9Jtcus4SSv=J_sXTWQ%2BgQ@mail.gmail.com> References: <20160810165458.GB1112@albert.catwhisker.org> <570bda1e-d4d7-42dc-6037-7c321ba9e97d@FreeBSD.org> <CAJ-Vmon6Rak07ux%2BZX8ySnxkgn5Sv9Jtcus4SSv=J_sXTWQ%2BgQ@mail.gmail.com>
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--Zxhbmr+fMFEUWeNp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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..... > ...=20 > >> 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 --=20 David H. Wolfskill david@catwhisker.org Those who would murder in the name of God or prophet are blasphemous coward= s. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --Zxhbmr+fMFEUWeNp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJXrQ16XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRDQ0I3Q0VGOTE3QTgwMUY0MzA2NEQ3N0Ix NTM5Q0M0MEEwNDlFRTE3AAoJEBU5zECgSe4X5bgH/R3/bvGQNM/2BLgyLqHQKSU6 wf5btokNWONl6AExEcSmtf7GB+Jxm3aw9xz6jxoOFGeo9OtBwlaE3TbHse1wvh6T kHoT07ie66Y+kh41SJv5fc/cS4lR2wQ53hIFh0VS9Vn2LT1IwpfQ3RaDJFuLCsCB J6oJhmwu6ksehOLIlR1lVdrm5cWDQleQac74+CwJcySNteSOHvPXvotqqnBlzUSK xD6k9ZHH6zhNf92P+Hm+7e60TjZ8c1AkCwhVGSlfkiJJMmg+L/gzRooyYbmmCLSR mLk6HLCcVQitMe2MiAGJ5ApOyy6N9t5Te91LD1+QtZC0RQd4i298KDOpKDdldg0= =y74H -----END PGP SIGNATURE----- --Zxhbmr+fMFEUWeNp--
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