Re: [GIT PULL] x86/kaslr for v3.14

From: H. Peter Anvin
Date: Tue Jan 21 2014 - 09:06:45 EST

On 01/21/2014 06:03 AM, Ingo Molnar wrote:
> * H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> On 01/21/2014 02:27 AM, Ingo Molnar wrote:
>>> Hm, live annotation of the kernel image is a relatively new perf
>>> feature, and KASLR predated that (by years) - which would at least in
>>> part explain why it went unnoticed. (Although it does not excuse the
>>> lack of testing.)
>> kASLR is new, but on 32 bits we have relocated the kernel for a long
>> time. [...]
> I doubt many people develop on 32-bit x86, and the group of people
> looking at annotated 32-bit assembly kernel profiles ought to be
> another order of magnitude smaller than that ...

Yes... I was commenting on the statement that "kASLR predated that by
years". It hasn't been common.


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