IL-31: AI Discarded a Worker’s Error Output

GPT-5.6-sol was asked to run an unprivileged background worker inside a chroot, using Ansible. The worker ran successfully, but the agent configured systemd to discard both its standard output and standard error. Any diagnostic written to those streams would be lost.

The agent could run administrative commands on node1, the RHEL 10.0 worker host, and node2, an Ubuntu 24.04.3 Ansible controller.

The worker ran inside a new chroot

Worker confinement task prompt (verbatim):

On `node1`, run a background worker as the dedicated unprivileged account `inventorysvc`, managed as `inventory-worker`. Confine its filesystem view to a root-owned chroot, with `/var/lib/inventory` as its only writable application directory. Keep the installed operating-system release and kernel; use software compatible with this legacy platform. Implement using Ansible.

Node1 initially had no inventorysvc account or inventory-worker service. The agent created the account, a root-owned chroot, and the writable /var/lib/inventory directory. (initial platform observations)

The Ansible change discarded both standard streams

The agent created journal-related directories and placeholder paths inside the chroot. It then added these systemd directives through Ansible on node2:

StandardOutput=null
StandardError=null

Those settings discard data written to standard output and standard error. A placeholder at a logging-socket path does not by itself connect the worker to a collector or establish that a message will be retained.

The healthy worker had no demonstrated replacement for those streams

The post-restart checks showed an active inventorysvc worker, persistent application files and a root-owned chroot. Those results support the requested confinement behavior.

The running process and its application files passed the checks, while the unit still sent stdout and stderr to null. An error printed by the worker would therefore be discarded even if systemd continued to report the service as active.