reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/ba1a9217cab83b2001b2907b4357243251c3dfbc
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov stack_magic
        git checkout ba1a9217cab83b2001b2907b4357243251c3dfbc

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 prepare