ID 150242 - Closed Nuke application remains with processes labeled <defunct> on Linux.

Problem summary
Closed Nuke application remains with processes labeled <defunct> on Linux.

Customer reported version
nuke.12.2v2

Customer reported platform
centos8

Steps to reproduce

1) Open a terminal and execute: ps aux | grep -i nuke

2) Open another terminal and run Nuke

3) In your first terminal, re-run: ps aux | grep -i nuke

4) In Nuke, click File > New

5) In your first terminal, re-run: ps aux | grep -i nuke

6) Close the newly opened instance of Nuke with the 'X' in the top right

7) In your first terminal, re-run: ps aux | grep -i nuke

Expected behavior
All Nuke processes should be closed/exit.

Actual behavior
Closed Nuke processes remain open with <defunct> information.

Workaround
There is no available workaround at this time.

Reproduced by Support in:
Nuke 12.2v5 - CentOS 7

Nuke 12.2v1 - CentOS 7

Nuke 12.1v1 - CentOS 7

Nuke 12.0v1 - CentOS 7

Nuke 11.0v1 - CentOS 7

Nuke 10.0v1 - CentOS 7

Nuke 9.0v1 - CentOS 7

Nuke 8.0v1 - CentOS 7

Earliest version tested
Nuke 8.0v1 - This issue appears to be in all versions of the product