Re: [PATCH] [RESEND] PIE executable randomization

Hi,

On Wed, Aug 15, 2007 at 01:21:37AM +0200, Jiri Kosina wrote:
> The following patch fixes the brk-allocation problems on x86_64 with code 
> randomization patch on PIE-compiled binaries. Is anyone aware of any 
> potential disaster it might cause somewhere please?

(Adding myself to this thread...)

I've tested this on x86_64 now (the prior patch failed on brk, as
mentioned).  This version passes my regression tests.  I'd like to
double-check this on i386 with unlimited stack (the situation that ran
into problems back with 2.6.20's version of text ASLR).

For anyone interested, I have a few ASLR and VM checking tools here:
http://outflux.net/aslr/

Thanks,

-Kees

-- 
Kees Cook                                            @outflux.net
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References:
- [PATCH] [RESEND] PIE executable randomization
  - From: Jiri Kosina <[email protected]>
- Re: [PATCH] [RESEND] PIE executable randomization
  - From: Jakub Jelinek <[email protected]>
- Re: [PATCH] [RESEND] PIE executable randomization
  - From: Jiri Kosina <[email protected]>
- Re: [PATCH] [RESEND] PIE executable randomization
  - From: Jiri Kosina <[email protected]>

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