Re: [PATCH] 2.6.16.16 Parameter-controlled mmap/stack randomization

[John Richard Moser <nigelenki@comcast.net>]

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Arjan van de Ven wrote:
> On Mon, 2006-05-22 at 12:31 -0400, John Richard Moser wrote:
>> It is still possible that ARCH_STACK_RANDOM_BITS_DEFAULT breaks things.
>>  The current kernel default broke emacs at first I heard;
> 
> hearsay.. where did you hear this and what exact randomization was this?
> 

Sorry, I googled it, you were talking about brk() randomization (which I
STILL want to see!  :D)

http://lkml.org/lkml/2005/1/28/29

> 
>>  I believe we
>> started with 64KiB of stack randomization and then upped it to 8MiB when
>> emacs was fixed.
> 
> this is new information to me, I find this really really hard to believe
> as true but maybe you have information I don't have...

See this is why I said "I believe..."  :)

> 
> 
> 
> 

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