Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour

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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Follow-Ups:
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References:
- [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour
  - From: Ashutosh Naik <[email protected]>
- Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour
  - From: Andrew Morton <[email protected]>
- Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour
  - From: Richard Henderson <[email protected]>

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