Re: [PATCH v3 6/7] arm64, elf: Disable automatic READ_IMPLIES_EXEC for 64-bit address spaces

[Catalin Marinas]

On Mon, Feb 10, 2020 at 11:30:48AM -0800, Kees Cook wrote:
> With arm64 64-bit environments, there should never be a need for automatic
> READ_IMPLIES_EXEC, as the architecture has always been execute-bit aware
> (as in, the default memory protection should be NX unless a region
> explicitly requests to be executable).
> 
> Suggested-by: Hector Marco-Gisbert <hecmargi@xxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>