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

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@upv.es Signed-off-by: Kees Cook keescook@chromium.org

Reviewed-by: Catalin Marinas catalin.marinas@arm.com