Date: Mon, 12 Dec 2005 12:20:20 -0800
From: Greg KH <greg@kroah.com>
To: Richard Henderson <rth@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>, Ashutosh Naik <ashutosh.naik@gmail.com>,
       anandhkrishnan@yahoo.com, linux-kernel@vger.kernel.org,
       rusty@rustcorp.com.au
Subject: Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour
Message-ID: <20051212202019.GA28131@kroah.com>
References: <81083a450512120439h69ccf938m12301985458ea69f@mail.gmail.com> <20051212111322.40be4cfe.akpm@osdl.org> <20051212192746.GE19245@redhat.com>
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On Mon, Dec 12, 2005 at 11:27:46AM -0800, Richard Henderson wrote:
> On Mon, Dec 12, 2005 at 11:13:22AM -0800, Andrew Morton wrote:
> > Do we really need to do this at runtime?
> 
> Probably.  One could consider this a security hole...

Huh?  You are root and loading a kernel module.  You can do much worse
things at this point in time than messing around with existing symbols
:)

I think it should be a build-time thing if possible.

thanks,

greg k-h
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