reproduce (this is a W=1 build):
        git checkout a8598c7de1bcd94461ca54c972efa9b4ea501fb9
        b4 shazam https://lore.kernel.org/r/20250710-extensible-parameters-validation-v2-5-7ec8918ec443@ideasonboard.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash