Re: [PATCH] x86, kaslr: randomize module base load address

[H. Peter Anvin]

On 02/21/2014 01:15 PM, Andrew Morton wrote:
>>
>> I've been slapped down for adding more config options in the past, and
>> I think it's unlikely that people using CONFIG_RANDOMIZE_BASE won't
>> want the modules base randomized too. I think this is a safe default,
>> but if you see it as a requirement, I can change it.
> 
> I think there were issues with some embedded systems where it's
> hard/impossible to provide/alter boot parameters.
> 

We now allow kernel parameters to be compiled into the kernel image for
that reason.

> 
> btw, would it be better to make each module have its own offset rather
> than using the same offset for all of them?  That could cause problems
> with vmap space fragmentation I guess.
> 

... but it would improve the amount of entropy.

	-hpa

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