reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/isilence/linux/commit/efbfe3177536b21b6ad8117b9f90bd0f46634d98
        git remote add isilence https://github.com/isilence/linux
        git fetch --no-tags isilence zc/rx-v4
        git checkout efbfe3177536b21b6ad8117b9f90bd0f46634d98
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/cpu/ drivers/ras/ net/core/ net/ipv4/