Chris Bennett escribis:
frantisek holop wrote:
hi there,

i have just managed to "mount" an ffs partition
as msdos.  the the system promptly dies.

$ sudo fdisk sd0
Disk: sd0       geometry: 120/255/63 [1935360 Sectors]
Offset: 0       Signature: 0xAA55
            Starting         Ending         LBA Info:
 #: id      C   H   S -      C   H   S [       start:        size ]
------------------------------------------------------------------------------- 0: A6 0 1 1 - 119 254 63 [ 63: 1927737 ] OpenBSD 1: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused 2: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused 3: 00 0 0 0 - 0 0 0 [ 0: 0 ] unused $ sudo mount -t msdos -o nodev,nosuid,-x,-l,-m666 /dev/sd0a /mnt
$
[dead system]

can anybody reproduce this?

If I plug my 110volt computer into a 220volt socket, it will promptly die too!

Why on earth would you even try to do this?



That's no excuse. The point here is that any unprivileged user can hang the system at will.

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