Re: [PATCH 3/3] x86: kernel base offset ASLR

[H. Peter Anvin]

On 04/05/2013 01:04 AM, Ingo Molnar wrote:
> 
> The cost of 64-bit RIPs is probably measurable both in cache footprint and 
> in execution speed.
> 

Well, "probably" usually translates to "worth measuring" to me.

> Random runtime shuffling of the kernel image - is that possible with 
> existing toolchains?

I wanted to point out... yes this is hard, but it has the ability to be
*much* stronger than any other form of KASLR simply because it means
that a single infoleak doesn't give everything else away.

	-hpa


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/