Re: Chroot bug

[David Newall <david@davidnewall.com>]

Alan Cox wrote:
> On Wed, 26 Sep 2007 01:05:07 +0930
> David Newall <david@davidnewall.com> wrote:
> > Alan Cox wrote:
> >     
> > > > Marek's loading dynamic libraries, it seems clear that the prime purpose 
> > > > of chroot is to aid security.  Being able to cd your way out is handy 
> > > >     
> > > >         
> > > Does it - I can't find any evidence for that.
> > >       
> > It seems self-evident to me.  What do you think is it prime purpose?
> >     
> Debugging and testing. At least that is as I understand it much of where
> it came from.
>   
Good call.  Though I suppose, since it's used 24x7 to aid security on 
countless production servers, that security dwarfs testing.  Still, 
debugging, yes that's valid.
I don't suppose it makes and difference; whatever the purpose, a chroot 
that doesn't change the root is buggy.
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