Random newbie-sounding question:

Does OpenBSD's ASLR implementation also randomize the top stack address?
Or is it simply a random gap (top of the stack still at the same
address, but application starts utilizing the stack at a random, but
properly aligned, offset)?

If it's just a random gap, would OpenBSD appreciate a patch that
implements true stack randomization + stack gap?

Thanks,

-- 
Shawn Webb
HardenedBSD

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