* Saidi, Ali <[email protected]> wrote:
> On 3/27/19, 2:52 PM, "linux-arm-kernel on behalf of Kees Cook" > <[email protected] on behalf of > [email protected]> 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
