Hi Aditya, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus johan-usb-serial/usb-next johan-usb-serial/usb-linus linus/master v6.14-rc4 next-20250228] [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/Aditya-Garg/usb-replace-strcpy-with-strscpy/20250228-230839 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/DEF7EF73-12C4-4F30-BC14-DD829F0C6884%40live.com patch subject: [PATCH] usb: replace strcpy() with strscpy() config: arm-qcom_defconfig (https://download.01.org/0day-ci/archive/20250302/202503020319.Lj7EYfWc-lkp@xxxxxxxxx/config) compiler: 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/20250302/202503020319.Lj7EYfWc-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/202503020319.Lj7EYfWc-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/usb/gadget/configfs.c:132:2: error: static assertion failed due to requirement '!(!(!__builtin_types_compatible_p(char *, char *)))': must be array 132 | strscpy(str, s); | ^~~~~~~~~~~~~~~ include/linux/string.h:114:2: note: expanded from macro 'strscpy' 114 | CONCATENATE(__strscpy, COUNT_ARGS(__VA_ARGS__))(dst, src, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/args.h:26:27: note: expanded from macro 'CONCATENATE' 26 | #define CONCATENATE(a, b) __CONCAT(a, b) | ^ include/linux/args.h:25:24: note: expanded from macro '__CONCAT' 25 | #define __CONCAT(a, b) a ## b | ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/string.h:80:40: note: expanded from macro '__strscpy0' 80 | sized_strscpy(dst, src, sizeof(dst) + __must_be_array(dst) + \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:202:28: note: expanded from macro '__must_be_array' 202 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 203 | "must be array") | ~~~~~~~~~~~~~~~~ include/linux/compiler.h:197:77: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG' 197 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^~~~ 1 error generated. vim +132 drivers/usb/gadget/configfs.c 112 113 static int usb_string_copy(const char *s, char **s_copy) 114 { 115 int ret; 116 char *str; 117 char *copy = *s_copy; 118 119 ret = strlen(s); 120 if (ret > USB_MAX_STRING_LEN) 121 return -EOVERFLOW; 122 if (ret < 1) 123 return -EINVAL; 124 125 if (copy) { 126 str = copy; 127 } else { 128 str = kmalloc(USB_MAX_STRING_WITH_NULL_LEN, GFP_KERNEL); 129 if (!str) 130 return -ENOMEM; 131 } > 132 strscpy(str, s); 133 if (str[ret - 1] == '\n') 134 str[ret - 1] = '\0'; 135 *s_copy = str; 136 return 0; 137 } 138 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
