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Date:   Thu, 23 Feb 2017 08:15:46 +1100
From:   Aleksa Sarai <>
To:     "Eric W. Biederman" <>,
        Linus Torvalds <>
        Linux Containers <>,
Subject: Re: [GIT PULL] namespaces related fixes for v4.11-rc1

> 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).

Aleksa Sarai
Software Engineer (Containers)
SUSE Linux GmbH

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