reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=72368c496f3f456b1d89504b0125e9fb26ae91de
        git remote add netfilter-nf git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git
        git fetch --no-tags netfilter-nf testing
        git checkout 72368c496f3f456b1d89504b0125e9fb26ae91de
        # 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 drivers/firmware/ net/netfilter/