reproduce (this is a W=1 build):
        git checkout 4e87148f80d198ba5febcbcc969c6b9471099a09
        b4 shazam https://lore.kernel.org/r/20231202134218.151074-1-yjnworkstation@gmail.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 mm/