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From:   Paul Moore <paul@paul-moore.com>
Date:   Tue, 4 Feb 2020 10:52:36 -0500
Message-ID: <CAHC9VhRHfjuv5yyn+nQ2LbHtcezBcjKtOQ69ssYrXOiExuCjBw@mail.gmail.com>
Subject: Re: [PATCH ghak90 V8 13/16] audit: track container nesting
To:     Steve Grubb <sgrubb@redhat.com>
Cc:     Richard Guy Briggs <rgb@redhat.com>,
        containers@lists.linux-foundation.org, linux-api@vger.kernel.org,
        Linux-Audit Mailing List <linux-audit@redhat.com>,
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        omosnace@redhat.com, dhowells@redhat.com, simo@redhat.com,
        Eric Paris <eparis@parisplace.org>,
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        nhorman@tuxdriver.com, Dan Walsh <dwalsh@redhat.com>,
        mpatel@redhat.com
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On Tue, Feb 4, 2020 at 10:47 AM Steve Grubb <sgrubb@redhat.com> wrote:
> On Tuesday, February 4, 2020 8:19:44 AM EST Richard Guy Briggs wrote:
> > > The established pattern is that we print -1 when its unset and "?" when
> > > its totalling missing. So, how could this be invalid? It should be set
> > > or not. That is unless its totally missing just like when we do not run
> > > with selinux enabled and a context just doesn't exist.
> >
> > Ok, so in this case it is clearly unset, so should be -1, which will be a
> > 20-digit number when represented as an unsigned long long int.
> >
> > Thank you for that clarification Steve.
>
> It is literally a  -1.  ( 2 characters)

Well, not as Richard has currently written the code, it is a "%llu".
This was why I asked the question I did; if we want the "-1" here we
probably want to special case that as I don't think we want to display
audit container IDs as signed numbers in general.

-- 
paul moore
www.paul-moore.com