Unfortunately this wouldn't catch names from network filesystems, removable media, etc., which comes up fairly frequently. (Or, more generally, from existing di

Unfortunately this wouldn't catch names from network filesystems, removable media, etc., which comes up fairly frequently. (Or, more generally, from existing disks.) Is there a place in the Linux kernel you can intervene on existing filesystems to escape bad names from existing filesystems and refuse the creation of new, unescaped bad names? Could this be something unionfs-ish?