From:   Dominick Grift <dac.override@gmail.com>
To:     Russell Coker <russell@coker.com.au>
Cc:     "selinux-refpolicy\@vger.kernel.org" 
        <selinux-refpolicy@vger.kernel.org>
Subject: Re: what's up with mac_admin
References: <2502654.FxcCWanWCu@liv>
Date:   Mon, 11 Mar 2019 07:53:29 +0100
In-Reply-To: <2502654.FxcCWanWCu@liv> (Russell Coker's message of "Mon, 11 Mar
        2019 09:31:16 +1100")
Message-ID: <87ftrtx5p2.fsf@gmail.com>
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Russell Coker <russell@coker.com.au> writes:

> type=AVC msg=audit(1552226284.038:2422): avc:  denied  { mac_admin } for  
> pid=8289 comm="rsync" capability=33  
> scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 
> tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=capability2 
> permissive=0

Its for setting invalid labels. Something you generally want to avoid.

>
> The above is from running rsync with the -X option.
>
> $ grep -R mac_admin .
> ./policy/flask/access_vectors:  mac_admin       # unused by SELinux
> ./policy/modules/apps/livecd.te:dontaudit livecd_t self:capability2 mac_admin;
>
> Grepping the git policy shows that there's a comment saying it's unused as 
> well as a dontaudit rule indicating that it has been used for some time.

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Dominick Grift