reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # https://github.com/gourryinverse/linux/commit/91b1c5360c957b61ccfaa26318b308032ab25979 git remote add gourryinverse https://github.com/gourryinverse/linux git fetch --no-tags gourryinverse memblock_align git checkout 91b1c5360c957b61ccfaa26318b308032ab25979 # 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