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Date: Mon, 27 Nov 2017 10:44:21 -0800
From: Linus Torvalds <>
To: Djalal Harouni <>
Cc: Kees Cook <>, Andy Lutomirski <>, 
	Andrew Morton <>, "Luis R. Rodriguez" <>, 
	James Morris <>, Ben Hutchings <>, 
	Solar Designer <>, Serge Hallyn <>, Jessica Yu <>, 
	Rusty Russell <>, 
	Linux Kernel Mailing List <>, 
	LSM List <>, 
	"" <>, Jonathan Corbet <>, 
	Ingo Molnar <>, "David S. Miller" <>, 
	Network Development <>, Peter Zijlstra <>
Subject: Re: [PATCH v5 next 5/5] net: modules: use request_module_cap() to
 load 'netdev-%s' modules

On Mon, Nov 27, 2017 at 9:18 AM, Djalal Harouni <> wrote:
> This uses the new request_module_cap() facility to directly propagate
> CAP_NET_ADMIN capability and the 'netdev' module prefix to the
> capability subsystem as it was suggested.

This is the kind of complexity that I wonder if it's worth it at all.

Nobody sane actually uses those stupid capability bits. Have you ever
actually seen it used in real life?

They were a mistake, and we should never have done them - another case
of security people who think that complexity == security, when in
reality nobody actually wants the complexity or is willing to set it
up and manage it.


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