tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core head: 2300c94a775d0f2a733ef11285cc0abe8126edf6 commit: 065af96d73df2653a2d7da572cf8ba57218479ef [6/7] locking/lockdep: Cleanup reinit_class() config: hexagon-buildonly-randconfig-r006-20220211 (https://download.01.org/0day-ci/archive/20220212/202202121417.yBYvheMJ-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c7eb84634519e6497be42f5fe323f9a04ed67127) 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/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue locking/core git checkout 065af96d73df2653a2d7da572cf8ba57218479ef # 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=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): BUILD_BUG_ON(offsetof(struct lock_class, lock_entry) > offset); ^ kernel/locking/lockdep.c:6018:58: error: use of undeclared identifier 'offset' BUILD_BUG_ON(offsetof(struct lock_class, locks_after) > offset); ^ kernel/locking/lockdep.c:6019:59: error: use of undeclared identifier 'offset' BUILD_BUG_ON(offsetof(struct lock_class, locks_before) > offset); ^ 3 errors generated. vim +/offset +6017 kernel/locking/lockdep.c 6011 6012 static void reinit_class(struct lock_class *class) 6013 { 6014 WARN_ON_ONCE(!class->lock_entry.next); 6015 WARN_ON_ONCE(!list_empty(&class->locks_after)); 6016 WARN_ON_ONCE(!list_empty(&class->locks_before)); 6018 BUILD_BUG_ON(offsetof(struct lock_class, locks_after) > offset); 6019 BUILD_BUG_ON(offsetof(struct lock_class, locks_before) > offset); 6020 memset_startat(class, 0, key); 6021 } 6022 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org