Re: [PATCH] power: disable hibernation if module loading isdisabled

[Pavel Machek]

Hi!


> > > modules_disabled surely is not the right interface to disable hibernation
> > > and I don't really think there's a bug because it doesn't work as you'd like
> > > it to.  In fact, there would be a bug if it did work that way.
> > 
> > What do you mean here?  Do you agree that you may read kernel image,
> > slightly change it (including e.g. possible checksums, I didn't bother
> > to check how much one should change), and write it back?
> 
> Yes, you can, but that's not the point.  The point is that calling an interface
> that disables all possible functionality modifying kernel memory
> "modules_disabled" is completely dumb.  Sorry, but that's how it goes.

Fully agreed.

If you want a subset of cap_sys_admin than can't install
rootkit... just do it like that. Create cap_small_admin with such
subset and migrate people that don't need full admin to it.

								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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