linux-kernel - Re: [PATCH] LSM: Allow syzbot to ignore security= parameter.

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Message-ID: <CAGXu5jJm+qxgnmRjJtTuaqj6N7WP+TVF4tUm30WUmMDT3irvFg@mail.gmail.com>
Date:   Fri, 8 Feb 2019 13:33:13 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Casey Schaufler <casey@...aufler-ca.com>
Cc:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        syzbot <syzbot+21016130b0580a9de3b5@...kaller.appspotmail.com>,
        Tyler Hicks <tyhicks@...onical.com>,
        John Johansen <john.johansen@...onical.com>,
        James Morris <jmorris@...ei.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Serge Hallyn <serge@...lyn.com>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Jeffrey Vander Stoep <jeffv@...gle.com>,
        SELinux <selinux@...r.kernel.org>,
        Russell Coker <russell@...er.com.au>,
        Laurent Bigonville <bigon@...ian.org>,
        syzkaller <syzkaller@...glegroups.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] LSM: Allow syzbot to ignore security= parameter.

On Thu, Feb 7, 2019 at 8:24 AM Casey Schaufler <casey@...aufler-ca.com> wrote:
> I added Kees to the CC list. Kees, what to you think about
> ignoring security= if lsm= is specified? I'm ambivalent.

This was one of many earlier suggestions, and the consensus seemed to
be "don't mix security= and lsm=". Why would anyone use both?

-- 
Kees Cook