netdev - Re: [PATCH ghak90 V8 13/16] audit: track container nesting

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Message-ID: <CAHC9VhTy2ou-vadeMjgTaw-T9mW+nBjbqapA7RSW3EFNJ44JLw@mail.gmail.com>
Date:   Wed, 18 Mar 2020 17:08:31 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     Richard Guy Briggs <rgb@...hat.com>
Cc:     nhorman@...driver.com, linux-api@...r.kernel.org,
        containers@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>, dhowells@...hat.com,
        Linux-Audit Mailing List <linux-audit@...hat.com>,
        netfilter-devel@...r.kernel.org, ebiederm@...ssion.com,
        simo@...hat.com, netdev@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, Eric Paris <eparis@...isplace.org>,
        mpatel@...hat.com, Serge Hallyn <serge@...lyn.com>
Subject: Re: [PATCH ghak90 V8 13/16] audit: track container nesting

On Sat, Mar 14, 2020 at 6:42 PM Richard Guy Briggs <rgb@...hat.com> wrote:
> On 2020-03-13 12:47, Paul Moore wrote:

...

> > It has been a while since I last looked at the patchset, but my
> > concern over the prefered use of the ACID number vs the ACID object is
> > that the number offers no reuse protection where the object does.  I
> > really would like us to use the object everywhere it is possible.
>
> Ok, so I take it from this that I go ahead with the dual format since
> the wrapper funciton to convert from object to ID strips away object
> information negating any benefit of favouring the object pointer.  I'll
> look at the remaining calls that use a contid (rather than contobj) and
> convert all that I can over to storing an object using the dual counters
> that track process exits versus signal2 and trace references.

Well, as I said in the other thread, I'm not sure we need a full two
counters; I think one counter and a simple flag should suffice.
Otherwise that sounds good for the next iteration.

-- 
paul moore
www.paul-moore.com