From: Al Viro <viro@zeniv.linux.org.uk>
To: Andy Lutomirski <luto@kernel.org>
Cc: Aleksa Sarai <cyphar@cyphar.com>,
"Enrico Weigelt, metux IT consult" <lkml@metux.net>,
Christian Brauner <christian@brauner.io>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jann Horn <jannh@google.com>, David Howells <dhowells@redhat.com>,
Linux API <linux-api@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
Arnd Bergmann <arnd@arndb.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Kees Cook <keescook@chromium.org>,
Thomas Gleixner <tglx@linutronix.de>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>,
Joel Fernandes <joel@joelfernandes.org>,
Daniel Colascione <dancol@google.com>
Subject: Re: RFC: on adding new CLONE_* flags [WAS Re: [PATCH 0/4] clone: add CLONE_PIDFD]
Date: Sat, 20 Apr 2019 16:28:55 +0100 [thread overview]
Message-ID: <20190420152855.GG2217@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CALCETrWxMnaPvwicqkMLswMynWvJVteazD-bFv3ZnBKWp-1joQ@mail.gmail.com>
On Mon, Apr 15, 2019 at 01:29:23PM -0700, Andy Lutomirski wrote:
> Anyway, clone(2) is an enormous mess. Surely the right solution here
> is to have a whole new process creation API that takes a big,
> extensible struct as an argument, and supports *at least* the full
> abilities of posix_spawn() and ideally covers all the use cases for
> fork() + do stuff + exec(). It would be nifty if this API also had a
> way to say "add no_new_privs and therefore enable extra functionality
> that doesn't work without no_new_privs". This functionality would
> include things like returning a future extra-privileged pidfd that
> gives ptrace-like access.
You had been two weeks too late with that, and a bit too obvious with the use
of "surely" too close to the beginning...
If it was _not_ a belated AFD posting, alt.tasteless is over -> that way...
next prev parent reply other threads:[~2019-04-20 15:28 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-14 20:14 [PATCH 0/4] clone: add CLONE_PIDFD Christian Brauner
2019-04-14 20:14 ` [PATCH 1/4] Make anon_inodes unconditional Christian Brauner
2019-04-14 20:14 ` [PATCH 2/4] clone: add CLONE_PIDFD Christian Brauner
2019-04-15 10:52 ` Oleg Nesterov
2019-04-15 11:42 ` Christian Brauner
2019-04-15 13:24 ` Oleg Nesterov
2019-04-15 13:52 ` Christian Brauner
2019-04-15 16:25 ` Joel Fernandes
2019-04-15 17:15 ` Jonathan Kowalski
2019-04-15 19:39 ` Daniel Colascione
2019-04-14 20:14 ` [PATCH 3/4] signal: support CLONE_PIDFD with pidfd_send_signal Christian Brauner
2019-04-14 20:14 ` [PATCH 4/4] samples: show race-free pidfd metadata access Christian Brauner
2019-04-15 10:08 ` RFC: on adding new CLONE_* flags [WAS Re: [PATCH 0/4] clone: add CLONE_PIDFD] Enrico Weigelt, metux IT consult
2019-04-15 15:50 ` Serge E. Hallyn
2019-04-16 18:32 ` Enrico Weigelt, metux IT consult
2019-04-29 15:49 ` Serge E. Hallyn
2019-04-29 17:31 ` Enrico Weigelt, metux IT consult
2019-05-05 2:32 ` Serge E. Hallyn
2019-04-15 19:59 ` Aleksa Sarai
2019-04-15 20:29 ` Andy Lutomirski
2019-04-15 21:27 ` Jonathan Kowalski
2019-04-15 23:58 ` Andy Lutomirski
2019-04-16 18:45 ` Enrico Weigelt, metux IT consult
2019-04-16 21:31 ` Andy Lutomirski
2019-04-17 12:03 ` Enrico Weigelt, metux IT consult
2019-04-17 12:54 ` Christian Brauner
2019-04-18 15:46 ` Enrico Weigelt, metux IT consult
2019-04-17 12:19 ` Florian Weimer
2019-04-17 16:46 ` Andy Lutomirski
2019-04-20 7:14 ` Kevin Easton
2019-04-20 11:15 ` Christian Brauner
2019-04-20 15:06 ` Daniel Colascione
2019-04-29 19:30 ` Jann Horn
2019-04-29 19:55 ` Jann Horn
2019-04-29 20:21 ` Linus Torvalds
2019-04-29 20:38 ` Florian Weimer
2019-04-29 20:51 ` Christian Brauner
2019-04-29 21:31 ` Linus Torvalds
2019-04-30 7:01 ` Florian Weimer
2019-04-30 0:38 ` Jann Horn
2019-04-30 2:16 ` Linus Torvalds
2019-04-30 8:21 ` Florian Weimer
2019-04-30 16:19 ` Linus Torvalds
2019-04-30 16:26 ` Linus Torvalds
2019-04-30 17:07 ` Florian Weimer
2019-04-30 12:39 ` Oleg Nesterov
2019-04-30 16:24 ` Linus Torvalds
2019-04-29 20:49 ` Florian Weimer
2019-04-29 20:52 ` Christian Brauner
2019-04-20 15:28 ` Al Viro [this message]
2019-04-16 18:37 ` Enrico Weigelt, metux IT consult
2019-04-15 10:16 ` [PATCH 0/4] clone: add CLONE_PIDFD Enrico Weigelt, metux IT consult
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