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From:   Andy Lutomirski <luto@kernel.org>
Date:   Wed, 14 Mar 2018 00:22:22 +0000
Message-ID: <CALCETrUV9Q8o2TkydO7NNjHAQNsZM-m9nEV8n_XnoaE+RmGoXw@mail.gmail.com>
Subject: Re: [PATCH] audit: set TIF_AUDIT_SYSCALL only if audit filter has
 been populated
To:     Steve Grubb <sgrubb@redhat.com>
Cc:     Paul Moore <paul@paul-moore.com>, Jiri Kosina <jikos@kernel.org>,
        Andy Lutomirski <luto@kernel.org>, linux-audit@redhat.com,
        Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.com>,
        Oleg Nesterov <oleg@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>
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On Sat, Mar 10, 2018 at 10:15 AM, Steve Grubb <sgrubb@redhat.com> wrote:
> On Wed, 7 Mar 2018 18:43:42 -0500
> Paul Moore <paul@paul-moore.com> wrote:
>> ... and I just realized that linux-audit isn't on the To/CC line,
>> adding them now.
>>
>> Link to the patch is below.
>>
>> * https://marc.info/?t=152041887600003&r=1&w=2
>
> Yes...I wished I was in on the beginning of this discussion. Here's the
> problem. We need all tasks auditable unless specifically dismissed as
> uninteresting. This would be a task,never rule.
>
> The way we look at it, is if it boots with audit=1, then we know auditd
> is expected to run at some point. So, we need all tasks to stay
> auditable. If they weren't and auditd enabled auditing, then we'd need
> to walk the whole proctable and stab TIF_AUDIT_SYSCALL into every
> process in the system. It was decided that this is too ugly.

When was that decided?  That's what this patch does.