linux-kernel - Re: [PATCH v2] net: don't allow CAP_NET_ADMIN to load non-netdev kernel modules

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Message-ID: <m34o7ltipi.fsf@lwn.net>
Date:	Wed, 02 Mar 2011 12:39:53 -0700
From:	Jake Edge <jake@....net>
To:	Vasiliy Kulikov <segoon@...nwall.com>
Cc:	linux-kernel@...r.kernel.org, mjt@....msk.ru, arnd@...db.de,
	mirqus@...il.com, netdev@...r.kernel.org,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Miller <davem@...emloft.net>, kuznet@....inr.ac.ru,
	pekkas@...core.fi, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, eric.dumazet@...il.com, therbert@...gle.com,
	xiaosuo@...il.com, jesse@...ira.com, kees.cook@...onical.com,
	eugene@...hat.com, dan.j.rosenberg@...il.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH v2] net: don't allow CAP_NET_ADMIN to load non-netdev kernel modules


I am probably missing something, but shouldn't the existing
MODULE_ALIASes stay?

Vasiliy Kulikov <segoon@...nwall.com> writes:

> diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
> index 6613edf..d1d0e2c 100644
> --- a/net/ipv4/ip_gre.c
> +++ b/net/ipv4/ip_gre.c
> @@ -1765,4 +1765,4 @@ module_exit(ipgre_fini);
>  MODULE_LICENSE("GPL");
>  MODULE_ALIAS_RTNL_LINK("gre");
>  MODULE_ALIAS_RTNL_LINK("gretap");
> -MODULE_ALIAS("gre0");
> +MODULE_ALIAS_NETDEV("gre0");

that is, instead of replacing MODULE_ALIAS("gre0") with the NETDEV
version, don't you want both for backward compatibility?

(if so, same goes for the other two)

jake

-- 
Jake Edge - jake@....net - http://lwn.net
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