linux-kernel - Re: [PATCH v5 0/3] SELinux support for anonymous inodes and UFFD

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Date:   Thu, 4 Jun 2020 14:51:52 -0400
From:   Stephen Smalley <stephen.smalley.work@...il.com>
To:     James Morris <jmorris@...ei.org>
Cc:     Daniel Colascione <dancol@...gle.com>,
        Tim Murray <timmurray@...gle.com>,
        SElinux list <selinux@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>, kvm@...r.kernel.org,
        Al Viro <viro@...iv.linux.org.uk>,
        Paul Moore <paul@...l-moore.com>,
        Nick Kralevich <nnk@...gle.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Lokesh Gidra <lokeshgidra@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v5 0/3] SELinux support for anonymous inodes and UFFD

On Wed, Jun 3, 2020 at 11:59 PM James Morris <jmorris@...ei.org> wrote:
>
> On Wed, 1 Apr 2020, Daniel Colascione wrote:
>
> > Daniel Colascione (3):
> >   Add a new LSM-supporting anonymous inode interface
> >   Teach SELinux about anonymous inodes
> >   Wire UFFD up to SELinux
> >
> >  fs/anon_inodes.c                    | 191 ++++++++++++++++++++++------
> >  fs/userfaultfd.c                    |  30 ++++-
> >  include/linux/anon_inodes.h         |  13 ++
> >  include/linux/lsm_hooks.h           |  11 ++
> >  include/linux/security.h            |   3 +
> >  security/security.c                 |   9 ++
> >  security/selinux/hooks.c            |  53 ++++++++
> >  security/selinux/include/classmap.h |   2 +
> >  8 files changed, 267 insertions(+), 45 deletions(-)
>
> Applied to
> git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git secure_uffd_v5.9
> and next-testing.
>
> This will provide test coverage in linux-next, as we aim to get this
> upstream for v5.9.
>
> I had to make some minor fixups, please review.

LGTM and my userfaultfd test case worked.