tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kspp/memcpy/next-20210618/v0 head: fd2aa2a169de8bde9502e7a2fc48cd03d4bfd996 commit: 6d805912063804ea975440760b79392fc0c03948 [81/82] fortify: Work around Clang inlining bugs config: arm-aspeed_g5_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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/kees/linux.git/commit/?id... git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git git fetch --no-tags kees kspp/memcpy/next-20210618/v0 git checkout 6d805912063804ea975440760b79392fc0c03948 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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 arch/arm/boot/compressed/string.c:8: 304 | __builtin_object_size(p, 1), \ | ^~~~~~~~~~~~~~~~~~~~~ arch/arm/boot/compressed/string.c:29:7: note: in expansion of macro 'memcpy' 29 | void *memcpy(void *__dest, __const void *__src, size_t __n) | ^~~~~~ include/linux/fortify-string.h:305:7: error: expected declaration specifiers or '...' before '__builtin_object_size' 305 | __builtin_object_size(q, 1)) | ^~~~~~~~~~~~~~~~~~~~~ arch/arm/boot/compressed/string.c:29:7: note: in expansion of macro 'memcpy' 29 | void *memcpy(void *__dest, __const void *__src, size_t __n) | ^~~~~~ include/linux/fortify-string.h:316:9: error: expected declaration specifiers or '...' before '__builtin_object_size' 316 | __builtin_object_size(p, 1), \ | ^~~~~~~~~~~~~~~~~~~~~ arch/arm/boot/compressed/string.c:63:7: note: in expansion of macro 'memmove' 63 | void *memmove(void *__dest, __const void *__src, size_t count) | ^~~~~~~ include/linux/fortify-string.h:317:9: error: expected declaration specifiers or '...' before '__builtin_object_size' 317 | __builtin_object_size(q, 1)) | ^~~~~~~~~~~~~~~~~~~~~ arch/arm/boot/compressed/string.c:63:7: note: in expansion of macro 'memmove' 63 | void *memmove(void *__dest, __const void *__src, size_t count) | ^~~~~~~ vim +304 include/linux/fortify-string.h 302 303 #define memcpy(p, q, s) __fortify_memcpy(p, q, s, \ 305 __builtin_object_size(q, 1)) 306 __FORTIFY_INLINE void *__fortify_memcpy(void *p, const void *q, 307 __kernel_size_t size, 308 const size_t p_size_field, 309 const size_t q_size_field) 310 { 311 __fortify_memcpy_chk(p, q, size, p_size_field, q_size_field, "memcpy"); 312 return __underlying_memcpy(p, q, size); 313 } 314 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org