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In order to prevent accidental fork bombs we need to add a new docker daemon option to set the default maximum number of processes within a container.  This max number should then be set in the cgroups created for each container.

PR for docker here https://github.com/projectatomic/docker/pull/333

The fix for 1.12 isn't merged as I believe there's no path forward to ship a docker 1.12 at all. The PR for 1.12 is still here: https://github.com/projectatomic/docker/pull/334

Assuming this blocker BZ is just for 1.13, this is in POST so we just need to rebuild docker wherever necessary. CC'ing Lokesh. Let me know if we need to merge and ship the 1.12 fix (even if I would strongly discourage shipping such a feature to such an old package).

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2019:0487