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 /
-Otto
