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Date: Sun, 25 Jan 2015 22:29:26 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Peter Jeremy <peter@rulingia.com>
Subject: Re: svn commit: r277652 - in head/usr.sbin/pw: . tests
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Cc: svn-src-head@freebsd.org, Baptiste Daroussin <bapt@freebsd.org>,
 src-committers@freebsd.org, svn-src-all@freebsd.org,
 Bruce Evans <brde@optusnet.com.au>
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On Mon, Jan 26, 2015 at 06:21:28AM +1100, Peter Jeremy wrote:

> On 2015-Jan-25 18:36:40 +0300, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:
> >On Mon, Jan 26, 2015 at 02:31:05AM +1100, Bruce Evans wrote:
> >
> >> On Sun, 25 Jan 2015, Slawa Olhovchenkov wrote:
> >> > This is not full true for ZFS case.
> >> > On ZFS nobody is 2^32-2.
> 
> Can you please provide a reference to this in the code.  I can't find
> anything in the ZFS code to suggest either '-2' or 4294967294 is used
> as a special GID or UID.  The only references I can find are to
> UID_NOBODY and GID_NOBODY - both of which are defined as 65534 in
> <sys/conf.h>.

I think this is result of convert (signed short) to (signed int).

> >ls -l /usr/ports/packages32/lang
> >total 2
> >lrwxr-xr-x  1 4294967294  wheel  33 Mar 17  2012 perl-threaded-5.12.4_4.tbz -> ../All/perl-threaded-5.12.4_4.tbz
> >lrwxr-xr-x  1 4294967294  wheel  27 Mar 17  2012 python27-2.7.2_4.tbz -> ../All/python27-2.7.2_4.tbz
> >lrwxr-xr-x  1 4294967294  wheel  21 Mar 17  2012 tcl-8.5.11.tbz -> ../All/tcl-8.5.11.tbz
> >lrwxr-xr-x  1 4294967294  wheel  29 Mar 17  2012 tcl-modules-8.5.11.tbz -> ../All/tcl-modules-8.5.11.tbz
> 
> All this means is that you have some files with that uid.  It's not
> clear how they were created.

nfs3 export ZFS dataset to VM. VM do write as 'root'. root maped to
nobody. When this is created -- host 9.1, VM -- 6.x.