reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/norov/linux/commit/b6e5ee294460ddd054ff842f5dea2763d8c6b1ac
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov find-and-bit-v6
        git checkout b6e5ee294460ddd054ff842f5dea2763d8c6b1ac
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash kernel/sched/ lib/