Re: [GIT PULL] namespaces related fixes for v4.11-rc1

From: Eric W. Biederman
Date: Wed Feb 22 2017 - 20:35:16 EST


Aleksa Sarai <asarai@xxxxxxx> 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.

Eric