Hi Masami, Thank you for the patch! Yet something to improve: [auto build test ERROR on arnd-asm-generic/master] [also build test ERROR on linus/master v6.1 next-20221208] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Masami-Hiramatsu-Google/error-injection-Clarify-the-requirements-of-error-injectable-functions/20221212-104859 base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master patch link: https://lore.kernel.org/r/167081320421.387937.4259807348852421112.stgit%40devnote3 patch subject: [PATCH 1/2] error-injection: Remove EI_ETYPE_NONE config: hexagon-randconfig-r045-20221211 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036) 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://github.com/intel-lab-lkp/linux/commit/ffd600c8d5c881bc0e58401c24c7457a566f6207 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Masami-Hiramatsu-Google/error-injection-Clarify-the-requirements-of-error-injectable-functions/20221212-104859 git checkout ffd600c8d5c881bc0e58401c24c7457a566f6207 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/btrfs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from fs/btrfs/tree-checker.c:20: >> include/linux/error-injection.h:22:10: error: use of undeclared identifier 'EOPNOTSUPP' return -EOPNOTSUPP; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] return (set1->sig[3] == set2->sig[3]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] return (set1->sig[3] == set2->sig[3]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] (set1->sig[2] == set2->sig[2]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] (set1->sig[2] == set2->sig[2]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from fs/btrfs/tree-checker.c:21: In file included from fs/btrfs/ctree.h:9: In file included from include/linux/mm.h:737: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:156:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] _SIG_SET_BINOP(sigorsets, _sig_or) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:137:8: note: expanded from macro '_SIG_SET_BINOP' a3 = a->sig[3]; a2 = a->sig[2]; \ ^ ~ vim +/EOPNOTSUPP +22 include/linux/error-injection.h 19 20 static inline int get_injectable_error_type(unsigned long addr) 21 { > 22 return -EOPNOTSUPP; 23 } 24 -- 0-DAY CI Kernel Test Service https://01.org/lkp