Description

The following Butane config was converted from CLC where it worked because ign-converter uses a temporary path: for the initrd mount point but here we directly use /usr/share/oem which already exists as mount point in the initrd:

variant: flatcar
version: 1.0.0
storage:
  files:
    - path: /usr/share/oem/script
      mode: 0755
      contents:
        inline: |
          #!/bin/bash
          set -euo pipefail
  filesystems:
    - device: /dev/disk/by-label/OEM
      path: /usr/share/oem
      format: btrfs
      label: OEM

Impact

Boot failure, depending on whether the OEM part is mounted in the initrd or not

Environment and steps to reproduce

1. Set-up: run butane to convert to ignition
2. Task: boot Flatcar with the qemu script and this ignition file
3. Action(s): sudo touch /boot/flatcar/first_boot && sudo reboot
4. Error: vda6 already mounted on /sysroot/usr/share/oem

Expected behavior

Ignition reuses the mount point (and doesn't unmount it later either), or Ignition uses a temporary mount point instead.

Additional information