reproduce (this is a W=1 build):
        git checkout 08dbfad3f5040f5bdb6c529da20d6d4e81fefd72
        b4 shazam https://lore.kernel.org/r/20260830142404.37663-1-pengpeng@iscas.ac.cn

        # 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