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Message-ID: <202308112122.OuF0YZqL-lkp@intel.com> Date: Fri, 11 Aug 2023 22:10:04 +0800 From: kernel test robot <lkp@...el.com> To: Przemek Kitszel <przemyslaw.kitszel@...el.com>, Kees Cook <keescook@...omium.org>, netdev@...r.kernel.org Cc: oe-kbuild-all@...ts.linux.dev, Jacob Keller <jacob.e.keller@...el.com>, intel-wired-lan@...ts.osuosl.org, Alexander Lobakin <aleksander.lobakin@...el.com>, linux-hardening@...r.kernel.org, Steven Zou <steven.zou@...el.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com> Subject: Re: [PATCH net-next v2 1/7] overflow: add DEFINE_FLEX() for on-stack allocs Hi Przemek, kernel test robot noticed the following build errors: [auto build test ERROR on 6a1ed1430daa2ccf8ac457e0db93fb0925b801ca] url: https://github.com/intel-lab-lkp/linux/commits/Przemek-Kitszel/overflow-add-DEFINE_FLEX-for-on-stack-allocs/20230811-201509 base: 6a1ed1430daa2ccf8ac457e0db93fb0925b801ca patch link: https://lore.kernel.org/r/20230811120814.169952-2-przemyslaw.kitszel%40intel.com patch subject: [PATCH net-next v2 1/7] overflow: add DEFINE_FLEX() for on-stack allocs config: m68k-randconfig-r024-20230811 (https://download.01.org/0day-ci/archive/20230811/202308112122.OuF0YZqL-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230811/202308112122.OuF0YZqL-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202308112122.OuF0YZqL-lkp@intel.com/ All error/warnings (new ones prefixed by >>): In file included from include/linux/compiler.h:5, from include/linux/export.h:5, from include/asm-generic/export.h:9, from ./arch/m68k/include/generated/asm/export.h:1, from arch/m68k/lib/mulsi3.S:35: >> include/linux/compiler_types.h:331:5: warning: "__has_builtin" is not defined, evaluates to 0 [-Wundef] 331 | #if __has_builtin(__builtin_dynamic_object_size) | ^~~~~~~~~~~~~ >> include/linux/compiler_types.h:331:18: error: missing binary operator before token "(" 331 | #if __has_builtin(__builtin_dynamic_object_size) | ^ vim +331 include/linux/compiler_types.h 326 327 /* 328 * When the size of an allocated object is needed, use the best available 329 * mechanism to find it. (For cases where sizeof() cannot be used.) 330 */ > 331 #if __has_builtin(__builtin_dynamic_object_size) 332 #define __struct_size(p) __builtin_dynamic_object_size(p, 0) 333 #define __member_size(p) __builtin_dynamic_object_size(p, 1) 334 #else 335 #define __struct_size(p) __builtin_object_size(p, 0) 336 #define __member_size(p) __builtin_object_size(p, 1) 337 #endif 338 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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