On December 8, 2015 4:21:16 PM GMT+01:00, Otto Moerbeek <o...@drijf.net> wrote: >On Tue, Dec 08, 2015 at 03:03:14PM +0000, Tati Chevron wrote: > >> Currently, it's possible, (as root), to do something like: >> >> # mount_mfs -s 1g swap / >> >> which succeeds, and mounts the empty filesystem as the root >filesystem. >> >> This makes the machine inoperable and requires a physical reset, >without a clean shutdown, as no system binaries are available. >> >> Shouldn't we make mount_mfs error out in this case? > >Why? Unix does not prevent you from doing stupid things in general. > >Besides, a small variation (using -P) could be a proper and sane use >of mount_mfs on /
FWIW, I don't think so, as the mfs is populated after being mounted. > > -Otto
