tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b501b85957deb17f1fe0a861fee820255519d526 commit: d0a3ac549f389c1511a4df0d7638536305205d20 ubsan: enable for all*config builds date: 12 months ago config: x86_64-buildonly-randconfig-r001-20211122 (https://download.01.org/0day-ci/archive/20211126/202111260506.fhLfHV1D-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c133fb321f7ca6083ce15b6aa5bf89de6600e649) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d0a3ac549f389c1511a4df0d7638536305205d20 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d0a3ac549f389c1511a4df0d7638536305205d20 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.text+0x5b811): Section mismatch in reference from the function test_bit() to the variable .init.data:numa_nodes_parsed The function test_bit() references the variable __initdata numa_nodes_parsed. This is often because test_bit lacks a __initdata annotation or the annotation of numa_nodes_parsed is wrong. -- >> WARNING: modpost: vmlinux.o(.text+0x5b877): Section mismatch in reference from the function __next_node() to the variable .init.data:numa_nodes_parsed The function __next_node() references the variable __initdata numa_nodes_parsed. This is often because __next_node lacks a __initdata annotation or the annotation of numa_nodes_parsed is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx