• Version: 8.0.0-pre

• Platform: Linux jsully 4.8.0-040800-generic #201610022031 SMP Mon Oct 3 00:32:57 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

• Subsystem: child_process

It appears as though fork assumes there are no options args when the arg array is null or undefined. This results in ignored parameters set in the options object.

More info here

I will update with further details once I dig into the code.

ref. #10793