From: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux FS Devel
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [GIT PULL] namespaces related fixes for v4.11-rc1
Date: Wed, 22 Feb 2017 19:06:17 -0800 [thread overview]
Message-ID: <CALCETrU5SbbBq7ujuhVnBvm_8cX530zKNUycx0MiuhBqUgpwUQ@mail.gmail.com> (raw)
In-Reply-To: <8737f54rue.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
On Wed, Feb 22, 2017 at 5:29 PM, Eric W. Biederman
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> wrote:
> Aleksa Sarai <asarai-l3A5Bk7waGM@public.gmane.org> writes:
>
>>> The only known user of this prctl systemd
>>> forks all children after the prctl. So no userspace regressions will
>>> occur.
>>
>> Note that runC and containerd (and thus Docker) as well as cri-o use the prctl
>> as well -- to be able to collect exit codes from a non-child process (namely to
>> collect the exit code from PID 1 in the container).
>
> Are any of those affected by the change? I would not expect so. As it
> would require having children or grand children whose exit codes you
> don't want to collect.
FWIW, I have private code that uses PR_SET_CHILD_SUBREAPER, too. I
don't see why it would be affected by this change.
prev parent reply other threads:[~2017-02-23 3:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 20:48 [GIT PULL] namespaces related fixes for v4.11-rc1 Eric W. Biederman
2017-02-22 21:15 ` Aleksa Sarai
[not found] ` <84361910-ba16-79ff-09cd-c76b3f66cc85-l3A5Bk7waGM@public.gmane.org>
2017-02-23 1:29 ` Eric W. Biederman
[not found] ` <8737f54rue.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2017-02-23 2:21 ` Aleksa Sarai
2017-02-23 3:06 ` Andy Lutomirski [this message]
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