Hi Roman, kernel test robot noticed the following build warnings: [auto build test WARNING on 831bcbcead6668ebf20b64fdb27518f1362ace3a] url: https://github.com/intel-lab-lkp/linux/commits/Roman-Kisel/binfmt_elf-coredump-Log-the-reason-of-the-failed-core-dumps/20240618-074419 base: 831bcbcead6668ebf20b64fdb27518f1362ace3a patch link: https://lore.kernel.org/r/20240617234133.1167523-2-romank%40linux.microsoft.com patch subject: [PATCH 1/1] binfmt_elf, coredump: Log the reason of the failed core dumps config: x86_64-buildonly-randconfig-002-20240618 (https://download.01.org/0day-ci/archive/20240618/202406181823.dr4ogEY0-lkp@xxxxxxxxx/config) compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240618/202406181823.dr4ogEY0-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406181823.dr4ogEY0-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from kernel/signal.c:29: include/linux/coredump.h: In function 'do_coredump': >> include/linux/coredump.h:47:1: warning: no return statement in function returning non-void [-Wreturn-type] static inline int do_coredump(const kernel_siginfo_t *siginfo) {} ^~~~~~ vim +47 include/linux/coredump.h 34 35 /* 36 * These are the only things you should do on a core-file: use only these 37 * functions to write out all the necessary info. 38 */ 39 extern void dump_skip_to(struct coredump_params *cprm, unsigned long to); 40 extern void dump_skip(struct coredump_params *cprm, size_t nr); 41 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr); 42 extern int dump_align(struct coredump_params *cprm, int align); 43 int dump_user_range(struct coredump_params *cprm, unsigned long start, 44 unsigned long len); 45 extern int do_coredump(const kernel_siginfo_t *siginfo); 46 #else > 47 static inline int do_coredump(const kernel_siginfo_t *siginfo) {} 48 #endif 49 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
