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From:   Tycho Andersen <tycho@tycho.ws>
To:     Kees Cook <keescook@chromium.org>
Cc:     linux-kernel@vger.kernel.org,
        containers@lists.linux-foundation.org, linux-api@vger.kernel.org,
        Andy Lutomirski <luto@amacapital.net>,
        Oleg Nesterov <oleg@redhat.com>,
        "Eric W . Biederman" <ebiederm@xmission.com>,
        "Serge E . Hallyn" <serge@hallyn.com>,
        Christian Brauner <christian.brauner@ubuntu.com>,
        Tyler Hicks <tyhicks@canonical.com>,
        Akihiro Suda <suda.akihiro@lab.ntt.co.jp>,
        "Tobin C . Harding" <me@tobin.cc>, Tycho Andersen <tycho@tycho.ws>
Subject: [PATCH v4 0/4] seccomp trap to userspace
Date:   Thu, 21 Jun 2018 16:04:12 -0600
Message-Id: <20180621220416.5412-1-tycho@tycho.ws>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi all,

Here's v4 of the seccomp trap to userspace series. v3 is here:
https://lkml.org/lkml/2018/5/31/527

I believe we've addressed the two burning questions I had about v3: 1.
it seems ok not to use netlink, since there's not a great way to re-use
the API without a lot of unnecessary code and 2. only having return
capability for fds seems fine with people. Or at least I haven't heard
any strong objections.

I've re-worked a bunch of things in this version based on feedback from
the last series. See patch notes for details. At this point I'm not
aware of anything that needs to be addressed, but of course that is
subject to change :)

Tycho

Tycho Andersen (4):
  seccomp: add a return code to trap to userspace
  seccomp: make get_nth_filter available outside of CHECKPOINT_RESTORE
  seccomp: add a way to get a listener fd from ptrace
  seccomp: add support for passing fds via USER_NOTIF

 .../userspace-api/seccomp_filter.rst          |  79 +++
 arch/Kconfig                                  |   7 +
 include/linux/seccomp.h                       |  18 +-
 include/uapi/linux/ptrace.h                   |   2 +
 include/uapi/linux/seccomp.h                  |  23 +-
 kernel/ptrace.c                               |   4 +
 kernel/seccomp.c                              | 491 ++++++++++++++-
 tools/testing/selftests/seccomp/seccomp_bpf.c | 560 +++++++++++++++++-
 8 files changed, 1172 insertions(+), 12 deletions(-)

-- 
2.17.1