Messages in this thread | | | Subject | Re: How to enable/disable security features on mmap() ? | From | Arjan van de Ven <> | Date | Thu, 08 Dec 2005 16:37:51 +0100 |
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> Isn't this too much? I thought the random-stack patch was > only supposed to vary it a page or 64k at most. This looks > like some broken logic because it varies almost 8 megabytes!
that is correct; the 64k was only there for one patch proposal; linus' tree had 8 Mb randomisation from the start
> No wonder some of my user's database programs sometimes seg-fault > and other times work perfectly fine. I think this is incorrect > and shows a serious bug (misbehavior).
eh how? This 8Mb isn't eaten from the stack rlimit; the entire stack is moved, and the rlimit applies to the size not the position.
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