From: Jann Horn <jannh@google.com>
To: Michael Kerrisk-manpages <mtk.manpages@gmail.com>
Cc: Kees Cook <keescook@chromium.org>,
Tycho Andersen <tycho@tycho.ws>,
kernel list <linux-kernel@vger.kernel.org>,
containers@lists.linux-foundation.org,
Linux API <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>,
suda.akihiro@lab.ntt.co.jp, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v7 0/6] seccomp trap to userspace
Date: Sat, 29 Sep 2018 00:48:51 +0200 [thread overview]
Message-ID: <CAG48ez1f7Cf-9J5wxnAt=NJ=SRuYLj75cNjCrCYmPH2=FypBdg@mail.gmail.com> (raw)
In-Reply-To: <CAKgNAkis9WVwLoYGV+uT_YfQVTR-wh+-Ut_2wZW8B_F1KGRzOA@mail.gmail.com>
On Sat, Sep 29, 2018 at 12:47 AM Michael Kerrisk (man-pages)
<mtk.manpages@gmail.com> wrote:
> On Sat, 29 Sep 2018 at 00:35, Kees Cook <keescook@chromium.org> wrote:
> > On Fri, Sep 28, 2018 at 3:16 PM, Michael Kerrisk (man-pages)
> > <mtk.manpages@gmail.com> wrote:
> > > On Sat, 29 Sep 2018 at 00:04, Tycho Andersen <tycho@tycho.ws> wrote:
> > >> On Fri, Sep 28, 2018 at 11:57:40PM +0200, Michael Kerrisk (man-opages) wrote:
> > >> > On 09/27/2018 05:11 PM, Tycho Andersen wrote:
> > >> > > Here's v7 of the seccomp trap to userspace set. There are various minor
> > >> > > changes and bug fixes, but two major changes:
> > >> > >
> > >> > > * We now pass fds to the tracee via an ioctl, and do it immediately when
> > >> > > the ioctl is called. For this we needed some help from the vfs, so
> > >> > > I've put the one patch in this series and cc'd fsdevel. This does have
> > >> > > the advantage that the feature is now totally decoupled from the rest
> > >> > > of the set, which is itself useful (thanks Andy!)
> > >> > >
> > >> > > * Instead of putting all of the notification related stuff into the
> > >> > > struct seccomp_filter, it now lives in its own struct notification,
> > >> > > which is pointed to by struct seccomp_filter. This will save a lot of
> > >> > > memory (thanks Tyler!)
> > >> >
> > >> > Is there a documentation (man page) patch for this API change?
> > >>
> > >> Not yet, but once we decide on a final API I'll prepare one.
> > >
> > > Honestly, the production of such documentation should be part of the
> > > evolution towards the final API...
> > >
> > > Documentation is not an afterthought. It's a tool for pushing you, the
> > > developer (and others, your reviewers) to more deeply consider your
> > > design.
> >
> > In Tycho's defense, he did write up documentation in Documentation/
> > for the feature, so it won't be an afterthought. :)
>
> So, I missed that... How do I find this Documentation/ ?
It's in patch 1:
https://lore.kernel.org/lkml/20180927151119.9989-2-tycho@tycho.ws/
prev parent reply other threads:[~2018-09-29 5:15 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-27 15:11 [PATCH v7 0/6] seccomp trap to userspace Tycho Andersen
2018-09-27 15:11 ` [PATCH v7 1/6] seccomp: add a return code to " Tycho Andersen
2018-09-27 21:31 ` Kees Cook
2018-09-27 22:48 ` Tycho Andersen
2018-09-27 23:10 ` Kees Cook
2018-09-28 14:39 ` Tycho Andersen
2018-10-08 14:58 ` Christian Brauner
2018-10-09 14:28 ` Tycho Andersen
2018-10-09 16:24 ` Christian Brauner
2018-10-09 16:29 ` Tycho Andersen
2018-10-17 20:29 ` Tycho Andersen
2018-10-17 22:21 ` Kees Cook
2018-10-17 22:33 ` Tycho Andersen
2018-10-21 16:04 ` Tycho Andersen
2018-10-22 9:42 ` Christian Brauner
2018-09-27 21:51 ` Jann Horn
2018-09-27 22:45 ` Kees Cook
2018-09-27 23:08 ` Tycho Andersen
2018-09-27 23:04 ` Tycho Andersen
2018-09-27 23:37 ` Jann Horn
2018-09-29 0:28 ` Aleksa Sarai
2018-09-27 15:11 ` [PATCH v7 2/6] seccomp: make get_nth_filter available outside of CHECKPOINT_RESTORE Tycho Andersen
2018-09-27 16:51 ` Jann Horn
2018-09-27 21:42 ` Kees Cook
2018-10-08 13:55 ` Christian Brauner
2018-09-27 15:11 ` [PATCH v7 3/6] seccomp: add a way to get a listener fd from ptrace Tycho Andersen
2018-09-27 16:20 ` Jann Horn
2018-09-27 16:34 ` Tycho Andersen
2018-09-27 17:35 ` Jann Horn
2018-09-27 18:09 ` Tycho Andersen
2018-09-27 21:53 ` Kees Cook
2018-10-08 15:16 ` Christian Brauner
2018-10-08 15:33 ` Jann Horn
2018-10-08 16:21 ` Christian Brauner
2018-10-08 16:42 ` Jann Horn
2018-10-08 18:18 ` Christian Brauner
2018-10-09 12:39 ` Jann Horn
2018-10-09 13:28 ` Christian Brauner
2018-10-09 13:36 ` Jann Horn
2018-10-09 13:49 ` Christian Brauner
2018-10-09 13:50 ` Jann Horn
2018-10-09 14:09 ` Christian Brauner
2018-10-09 15:26 ` Jann Horn
2018-10-09 16:20 ` Christian Brauner
2018-10-09 16:26 ` Jann Horn
2018-10-10 12:54 ` Christian Brauner
2018-10-10 13:09 ` Christian Brauner
2018-10-10 13:10 ` Jann Horn
2018-10-10 13:18 ` Christian Brauner
2018-10-10 15:31 ` Paul Moore
2018-10-10 15:33 ` Jann Horn
2018-10-10 15:39 ` Christian Brauner
2018-10-10 16:54 ` Tycho Andersen
2018-10-10 17:15 ` Christian Brauner
2018-10-10 17:26 ` Tycho Andersen
2018-10-10 18:28 ` Christian Brauner
2018-10-11 7:24 ` Paul Moore
2018-10-11 13:39 ` Jann Horn
2018-10-11 23:10 ` Paul Moore
2018-10-12 1:02 ` Andy Lutomirski
2018-10-12 20:02 ` Tycho Andersen
2018-10-12 20:06 ` Jann Horn
2018-10-12 20:11 ` Christian Brauner
2018-10-08 18:00 ` Tycho Andersen
2018-10-08 18:41 ` Christian Brauner
2018-10-10 17:45 ` Andy Lutomirski
2018-10-10 18:26 ` Christian Brauner
2018-09-27 15:11 ` [PATCH v7 4/6] files: add a replace_fd_files() function Tycho Andersen
2018-09-27 16:49 ` Jann Horn
2018-09-27 18:04 ` Tycho Andersen
2018-09-27 21:59 ` Kees Cook
2018-09-28 2:20 ` Kees Cook
2018-09-28 2:46 ` Jann Horn
2018-09-28 5:23 ` Tycho Andersen
2018-09-27 15:11 ` [PATCH v7 5/6] seccomp: add a way to pass FDs via a notification fd Tycho Andersen
2018-09-27 16:39 ` Jann Horn
2018-09-27 22:13 ` Tycho Andersen
2018-09-27 19:28 ` Jann Horn
2018-09-27 22:14 ` Tycho Andersen
2018-09-27 22:17 ` Jann Horn
2018-09-27 22:49 ` Tycho Andersen
2018-09-27 22:09 ` Kees Cook
2018-09-27 22:15 ` Tycho Andersen
2018-09-27 15:11 ` [PATCH v7 6/6] samples: add an example of seccomp user trap Tycho Andersen
2018-09-27 22:11 ` Kees Cook
2018-09-28 21:57 ` [PATCH v7 0/6] seccomp trap to userspace Michael Kerrisk (man-opages)
2018-09-28 22:03 ` Tycho Andersen
2018-09-28 22:16 ` Michael Kerrisk (man-pages)
2018-09-28 22:34 ` Kees Cook
2018-09-28 22:46 ` Michael Kerrisk (man-pages)
2018-09-28 22:48 ` Jann Horn [this message]
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