Hi Ye, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.7 next-20240119] [cannot apply to rostedt-trace/for-next rostedt-trace/for-next-urgent] [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/Ye-Bin/tracing-probes-support-pd-type-for-print-struct-dentry-s-name/20240119-093912 base: linus/master patch link: https://lore.kernel.org/r/20240119013848.3111364-2-yebin10%40huawei.com patch subject: [PATCH 1/3] tracing/probes: support '%pd' type for print struct dentry's name config: i386-randconfig-051-20240120 (https://download.01.org/0day-ci/archive/20240120/[email protected]/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240120/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> kernel/trace/trace_probe.c:1107:8: warning: format specifies type 'unsigned >> long' but the argument has type 'unsigned int' [-Wformat] 1106 | if (snprintf(new_argv, len, "+0x%lx(%s)", | ~~~ | %x 1107 | offsetof(struct dentry, d_name.name), argv) >= len) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/stddef.h:16:32: note: expanded from macro 'offsetof' 16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +1107 kernel/trace/trace_probe.c 1095 1096 static char* traceprobe_expand_dentry(const char *argv) 1097 { 1098 #define DENTRY_EXPAND_LEN 7 /* +0xXX() */ 1099 char *new_argv; 1100 int len = strlen(argv) + 1 + DENTRY_EXPAND_LEN; 1101 1102 new_argv = kmalloc(len, GFP_KERNEL); 1103 if (!new_argv) 1104 return NULL; 1105 1106 if (snprintf(new_argv, len, "+0x%lx(%s)", > 1107 offsetof(struct dentry, d_name.name), argv) >= > len) { 1108 kfree(new_argv); 1109 return NULL; 1110 } 1111 1112 return new_argv; 1113 } 1114 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
