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From:   Stephen Smalley <stephen.smalley.work@gmail.com>
Date:   Mon, 27 Apr 2020 12:48:09 -0400
Message-ID: <CAEjxPJ66ZZKfAUPnUjQiraNJO0h=T3OTY2qTVPuXrWG9va1-2g@mail.gmail.com>
Subject: Re: [PATCH v5 0/3] SELinux support for anonymous inodes and UFFD
To:     Casey Schaufler <casey@schaufler-ca.com>
Cc:     Daniel Colascione <dancol@google.com>,
        James Morris <jmorris@namei.org>,
        Tim Murray <timmurray@google.com>,
        SElinux list <selinux@vger.kernel.org>,
        LSM List <linux-security-module@vger.kernel.org>,
        Linux FS Devel <linux-fsdevel@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>, kvm@vger.kernel.org,
        Al Viro <viro@zeniv.linux.org.uk>,
        Paul Moore <paul@paul-moore.com>,
        Nick Kralevich <nnk@google.com>,
        Stephen Smalley <sds@tycho.nsa.gov>,
        Lokesh Gidra <lokeshgidra@google.com>,
        John Johansen <john.johansen@canonical.com>
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On Mon, Apr 27, 2020 at 12:19 PM Casey Schaufler <casey@schaufler-ca.com> wrote:
>
> On 4/23/2020 3:24 PM, Casey Schaufler wrote:
> > On 4/22/2020 10:12 AM, Casey Schaufler wrote:
> >> On 4/22/2020 9:55 AM, James Morris wrote:
> >>> On Mon, 13 Apr 2020, Daniel Colascione wrote:
> >>>
> >>>> On Wed, Apr 1, 2020 at 2:39 PM Daniel Colascione <dancol@google.com> wrote:
> >>>>> Changes from the fourth version of the patch:
> >>>> Is there anything else that needs to be done before merging this patch series?
> > Do you have a test case that exercises this feature?
>
> I haven't heard anything back. What would cause this code to be executed?

See https://lore.kernel.org/selinux/513f6230-1fb3-dbb5-5f75-53cd02b91b28@tycho.nsa.gov/
for example.