Messages in this thread | | | Date | Sat, 20 Jan 2024 08:59:53 +0800 | From | kernel test robot <> | Subject | Re: [PATCH 1/3] tracing/probes: support '%pd' type for print struct dentry's name |
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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-defconfig (https://download.01.org/0day-ci/archive/20240120/202401200837.b9DEGdBT-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240120/202401200837.b9DEGdBT-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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202401200837.b9DEGdBT-lkp@intel.com/
All warnings (new ones prefixed by >>):
kernel/trace/trace_probe.c: In function 'traceprobe_expand_dentry': >> kernel/trace/trace_probe.c:1106:36: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Wformat=] if (snprintf(new_argv, len, "+0x%lx(%s)", ~~^ %x
vim +1106 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
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