reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # https://github.com/paulmckrcu/linux/commit/c9ba6970102a7c706e1203b32ca5c8a840e11a78 git remote add paulmckrcu https://github.com/paulmckrcu/linux git fetch --no-tags paulmckrcu dev git checkout c9ba6970102a7c706e1203b32ca5c8a840e11a78 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash