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[209.85.161.47]) by smtp.gmail.com with ESMTPSA id x64-v6sm1618090ywx.103.2018.10.03.11.20.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Oct 2018 11:20:46 -0700 (PDT) Received: by mail-yw1-f47.google.com with SMTP id a197-v6so2681033ywh.9 for ; Wed, 03 Oct 2018 11:20:45 -0700 (PDT) X-Received: by 2002:a0d:cd84:: with SMTP id p126-v6mr1714563ywd.288.1538590845603; Wed, 03 Oct 2018 11:20:45 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a25:d116:0:0:0:0:0 with HTTP; Wed, 3 Oct 2018 11:20:44 -0700 (PDT) In-Reply-To: References: <20181002005505.6112-1-keescook@chromium.org> <20181002005505.6112-24-keescook@chromium.org> <785ef6a9-ae46-3533-0348-74bcf6f10928@tycho.nsa.gov> <809f1cfd-077b-ee58-51ba-b22daf46d12b@tycho.nsa.gov> <5955f5ce-b803-4f58-8b07-54c291e33da5@canonical.com> From: Kees Cook Date: Wed, 3 Oct 2018 11:20:44 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH security-next v4 23/32] selinux: Remove boot parameter To: James Morris Cc: John Johansen , Jordan Glover , Stephen Smalley , Paul Moore , Casey Schaufler , Tetsuo Handa , "Schaufler, Casey" , linux-security-module , Jonathan Corbet , "open list:DOCUMENTATION" , linux-arch , LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 3, 2018 at 11:17 AM, James Morris wrote: > On Tue, 2 Oct 2018, John Johansen wrote: >> To me a list like >> lsm.enable=X,Y,Z > > What about even simpler: > > lsm=selinux,!apparmor,yama We're going to have lsm.order=, so I'd like to keep it with a dot separator (this makes it more like module parameters, too). You want to mix enable/disable in the same string? That implies you'd want implicit enabling (i.e. it complements the builtin enabling), which is opposite from what John wanted. -Kees -- Kees Cook Pixel Security