* Saidi, Ali <alisa...@amazon.com> wrote:
> On 3/27/19, 2:52 PM, "linux-arm-kernel on behalf of Kees Cook"
> <linux-arm-kernel-boun...@lists.infradead.org on behalf of
> keesc...@chromium.org> wrote:
>
> Adding some more people to CC... what do people think about this
> moving of the brk to ELF_ET_DYN_BASE in this corner-case? Anything
> that worked before should still work (i.e. the ultimately-launched
> binary already had the brk very far from its text, so this should be
> no different from a COMPAT_BRK standpoint). The only risk I see here
> is that if someone started to suddenly depend on the entire memory
> space above the mmap region being available when launching binaries
> via a direct loader execs... which seems highly unlikely, I'd hope:
> this would mean a binary would not work when execed normally.
>
> Kees' proposal addresses the issue for me. Anyone have concerns on this
> proposed solution?
I'd suggest incorporating all feedback and sending a v2 series - it's
much easier to get people's attention via code submitted. ;-)
Thanks,
Ingo
