RUN_VERSION: runc version 1.3.6
BEFORE: /controlled_dev/ptmx present?
total 4
drwxr-xr-x    1 root     root             8 Jul  2 17:31 .
drwxr-xr-x    1 root     root            40 Jul  2 17:31 ..
-rw-r--r--    1 root     root            10 Jul  2 17:31 ptmx
==> running 'runc run cve-ptmx-test -b /bundle'
RUNC_EXIT: success
AFTER: /controlled_dev contents:
total 4
drwxr-xr-x    1 root     root             8 Jul  2 17:31 .
drwxr-xr-x    1 root     root            46 Jul  2 17:31 ..
-rw-r--r--    1 root     root            10 Jul  2 17:31 ptmx
RESULT: decoy preserved