reproduce (this is a W=1 build):
        git checkout a5447e92e169dafaf02fd653500105c7186d7128
        b4 shazam https://lore.kernel.org/r/20250427092027.1598740-3-xin@zytor.com
        # 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 SHELL=/bin/bash