Re: /proc filesystem allows bypassing directory permissions on

[Pavel Machek <pavel@xxxxxx>]

On Wed 2009-11-04 09:06:25, Gabor Gombas wrote:
> On Wed, Nov 04, 2009 at 10:17:13AM +1100, psz@xxxxxxxxxxxxxxxxx wrote:
> 
> > But, mount requires root (and root can do anything, including shooting
> > himself in the foot).
> 
> Irrelevant. The statement was that if /proc is not mounted, then the
> link count tells if there are other ways to access the inode besides the
> path you have used to access it. I showed you that this statement is
> false.

Heck, root can create hardlink and then manually drop link count back
to 1 -- for example using debugfs.
                                                                        Pavel
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