zfs diff without allow as user gets coredump?

[Larry Rosenman]

On Mon, Dec 15, 2014 at 02:48:34PM -0600, Larry Rosenman wrote:
> Should we get a better message if you try to do a zfs diff as a normal
> user, and diff hasn't been allowed?
> 
> You currently get:
> borg.lerctr.org /home/ler $ zfs diff zroot/home/ler at zfs-auto-snap_hourly-2014-12-15-12h00
> internal error: Invalid argument
> Abort trap (core dumped)
> borg.lerctr.org /home/ler $
> 
> Just curious.
borg.lerctr.org /home/ler $ uname -a
FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #26 r275811: Mon Dec 15 12:36:41 CST 2014     root at borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER  amd64
borg.lerctr.org /home/ler $ svn info /usr/src
Path: /usr/src
Working Copy Root Path: /usr/src
URL: svn://svn.freebsd.org/base/head
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 275812
Node Kind: directory
Schedule: normal
Last Changed Author: delphij
Last Changed Rev: 275812
Last Changed Date: 2014-12-15 12:28:22 -0600 (Mon, 15 Dec 2014)
-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler at lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688