tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d25ee88530253138d0b20d43511ca5acbda4e9f7 commit: 6303361147fc8984dd259b54c189592cd0551ab6 [1565/1734] fortify: Work around Clang inlining bugs config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220125/202201252321.dRmWZ8wW-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 6303361147fc8984dd259b54c189592cd0551ab6 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/firmware/ lib// 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 >>): In file included from include/linux/string.h:253, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from arch/arm64/include/asm/arch_timer.h:18, from arch/arm64/include/asm/timex.h:8, from include/linux/timex.h:65, from include/linux/time32.h:13, from include/linux/time.h:60, from arch/arm64/include/asm/stat.h:12, from include/linux/stat.h:6, from include/linux/module.h:13, from drivers/firmware/xilinx/zynqmp-debug.c:14: 98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1)) | ^~~~~~~~~~~~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro 'strlen' 32 | #define PM_API(id) {id, #id, strlen(#id)} | ^~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:34:9: note: in expansion of macro 'PM_API' 34 | PM_API(PM_GET_API_VERSION), | ^~~~~~ include/linux/fortify-string.h:98:19: note: (near initialization for 'pm_api_list[0].api_name_len') 98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1)) | ^~~~~~~~~~~~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro 'strlen' 32 | #define PM_API(id) {id, #id, strlen(#id)} | ^~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:34:9: note: in expansion of macro 'PM_API' 34 | PM_API(PM_GET_API_VERSION), | ^~~~~~ 98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1)) | ^~~~~~~~~~~~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro 'strlen' 32 | #define PM_API(id) {id, #id, strlen(#id)} | ^~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:35:9: note: in expansion of macro 'PM_API' 35 | PM_API(PM_QUERY_DATA), | ^~~~~~ include/linux/fortify-string.h:98:19: note: (near initialization for 'pm_api_list[1].api_name_len') 98 | #define strlen(p) __fortify_strlen(p, __builtin_object_size(p, 1)) | ^~~~~~~~~~~~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:32:44: note: in expansion of macro 'strlen' 32 | #define PM_API(id) {id, #id, strlen(#id)} | ^~~~~~ drivers/firmware/xilinx/zynqmp-debug.c:35:9: note: in expansion of macro 'PM_API' 35 | PM_API(PM_QUERY_DATA), | ^~~~~~ vim +98 include/linux/fortify-string.h 96 97 /* defined after fortified strnlen to reuse it. */ 99 __FORTIFY_INLINE __kernel_size_t __fortify_strlen(const char *p, const size_t p_size) 100 { 101 __kernel_size_t ret; 102 103 /* Give up if we don't know how large p is. */ 104 if (p_size == (size_t)-1) 105 return __underlying_strlen(p); 106 ret = strnlen(p, p_size); 107 if (p_size <= ret) 108 fortify_panic(__func__); 109 return ret; 110 } 111 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org