reproduce (this is a W=1 build):
        git checkout 718c4069896cabba5c39b637cbb7205927f16ae0
        b4 shazam https://lore.kernel.org/r/20241101113422.2615566-3-abdiel.janulgue@gmail.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um olddefconfig
        make W=1 O=build_dir ARCH=um prepare