reproduce (this is a W=1 build):
        git checkout next-20240913
        b4 shazam https://lore.kernel.org/r/172644394073.17050.16376953609629336068@noble.neil.brown.name
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/sunrpc/