linux-kernel - Re: [PATCH v6 3/6] seccomp: Sysctl to configure actions that are allowed to be logged

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Message-ID: <CAGXu5j+Q61-Kw+JeOLDSAxXzx=t04Nv43v9duvaFArdVZGWu1w@mail.gmail.com>
Date:   Fri, 11 Aug 2017 12:35:32 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Tyler Hicks <tyhicks@...onical.com>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>,
        John Crispin <john@...ozen.org>,
        Tycho Andersen <tycho@...ker.com>, linux-audit@...hat.com,
        LKML <linux-kernel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>
Subject: Re: [PATCH v6 3/6] seccomp: Sysctl to configure actions that are
 allowed to be logged

On Fri, Aug 11, 2017 at 12:33 PM, Tyler Hicks <tyhicks@...onical.com> wrote:
> On 08/11/2017 02:17 PM, Kees Cook wrote:
>> One thought here: should "kill" be always forced on during a write?
>> This flag effectively cannot be disabled, so listing it (or not) in
>> the sysctl may be confusing...
>
> "kill" can be silenced in the current implementation. Lets hammer out
> whether or not that's the right thing to do and then we can discuss the
> sysctl behavior on write. I don't personally have any concerns about an
> admin being able to silence RET_KILL logs but let me know if you are
> against it.

Oh right, this is fine. Yeah, as long as the default is to log it
(which it is) I'm fine. Thanks!

-Kees

-- 
Kees Cook
Pixel Security