reproduce (this is a W=1 build):
        git checkout 50a510a78287c15cee644f345ef8bac8977986a7
        b4 shazam https://lore.kernel.org/r/20230906115928.3749928-1-alpic@google.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