From: Alex Lyashkov (shadow_at_psoft.net)
Date: Sat 11 Oct 2003 - 04:16:05 BST
On Friday 10 October 2003 20:33, Jacques Gelinas wrote:
> On Thu, 9 Oct 2003 07:04:02 -0500, Alex Lyashkov wrote
>
> > > This is probably a minor problem, but if we want to support vservers
> > > inside vserver we must allow mount ? This is a problem. mount let you
> > > DOS a machine. Further, mount is covered by a very broad capability.
> > >
> > > Am I missing something ?
> >
> > yes.
> > In private namespace created _private_ mounts tree.
> > i see one posible DDoS - you can be use it for kernel exhaust memory when
> > do many many mounts.
> > What DDoS you see ?
>
> Mounting a broken file system can brind the OS down.
for mount broken file system - host administrator need allow to use broken
modules or had broken filesystems on hard disk and add node this device to
vps. it`s right ?
if other - please detail this DDoS for i can test it.
-- With best regards, Alex