linux-kernel - Re: [PATCH 10/10] LSM: Blob sharing support for S.A.R.A and LandLock

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Message-ID: <CAGXu5jKpq3z5e+SE+oRsfatUB02cFb7SOwixueSJhXiDxrq31g@mail.gmail.com>
Date:   Thu, 13 Sep 2018 17:03:12 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Casey Schaufler <casey@...aufler-ca.com>
Cc:     Paul Moore <paul@...l-moore.com>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        James Morris <jmorris@...ei.org>,
        LKML <linux-kernel@...r.kernel.org>,
        SE Linux <selinux@...ho.nsa.gov>,
        John Johansen <john.johansen@...onical.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        "Schaufler, Casey" <casey.schaufler@...el.com>
Subject: Re: [PATCH 10/10] LSM: Blob sharing support for S.A.R.A and LandLock

On Thu, Sep 13, 2018 at 4:51 PM, Casey Schaufler <casey@...aufler-ca.com> wrote:
> On 9/13/2018 4:06 PM, Kees Cook wrote:
>> If security= is
>> specified, all other major LSMs are disabled (i.e. it is not possible
>> to switch between SELinux/AppArmor/SMACK without also disabling
>> TOMOYO).
>
> Correct.

If we assume patch 10 is the way forward, how could we go about fixing
this specific problem?

-Kees

-- 
Kees Cook
Pixel Security