Re: binfmt_elf: use ELF_ET_DYN_BASE only for PIE breaks asan

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On Mon, Aug 7, 2017 at 11:36 AM, Evgenii Stepanov <eugenis@xxxxxxxxxx> wrote:
> MSan is 64-bit only and does not allow any mappings _outside_ of these regions:
> 000000000000 - 010000000000 app-1
> 510000000000 - 600000000000 app-2
> 700000000000 - 800000000000 app-3
>
> https://github.com/google/sanitizers/issues/579
>
> It sounds like the ELF_ET_DYN_BASE change should not break MSan.

Hah, so the proposed move to 0x1000 8000 0000 for ASan would break
MSan. Lovely! :P

-Kees

-- 
Kees Cook
Pixel Security

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