linux-kernel - Re: [kernel-hardening] Re: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction

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Message-ID: <CAEiveUdFL53XyQpacmN6f8F28M0bLQDcetpRXJjrJ10vDmQi8Q@mail.gmail.com>
Date:   Thu, 20 Apr 2017 22:39:21 +0200
From:   Djalal Harouni <tixxdz@...il.com>
To:     Ben Hutchings <ben@...adent.org.uk>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        kernel-hardening@...ts.openwall.com,
        LSM List <linux-security-module@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Dongsu Park <dpark@...teo.net>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <james.l.morris@...cle.com>,
        Paul Moore <paul@...l-moore.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>, Jessica Yu <jeyu@...hat.com>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Zendyani <zendyani@...il.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [kernel-hardening] Re: [PATCH v3 1/2] modules:capabilities:
 automatic module loading restriction

On Thu, Apr 20, 2017 at 5:02 PM, Ben Hutchings <ben@...adent.org.uk> wrote:
> On Thu, 2017-04-20 at 14:44 +0200, Djalal Harouni wrote:
>> > On Thu, Apr 20, 2017 at 4:22 AM, Ben Hutchings <ben@...adent.org.uk> wrote:
>> > On Thu, 2017-04-20 at 00:20 +0200, Djalal Harouni wrote:
>> > [...]
[...]
>> modules_disabled is too restrictive and once set it can't be changed,
>> maybe that's why not all users use it.
>>
>> With modules_disabled=0 and modules_autoload=2
> [...]
>
> Hmm, OK.  How about naming this modules_autoload_mode, then, so that
> it's obviously not a boolean?

Yes that's fine by me, kees already suggested to rename it to
"modules_autoload" I can change it to that if it's the best
suggestion!

Thanks!

> Ben.
>
> --
> Ben Hutchings
> It is easier to change the specification to fit the program than vice
> versa.
>



-- 
tixxdz