Hi Shreeya, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on ext4/dev] [also build test WARNING on f2fs/dev-test linux/master linus/master v5.12-rc2 next-20210312] [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] url: https://github.com/0day-ci/linux/commits/Shreeya-Patel/Make-UTF-8-encoding-loadable/20210314-071604 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: riscv-randconfig-r022-20210314 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/85f4765787c386a4b949afaf9721046c0e85955a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shreeya-Patel/Make-UTF-8-encoding-loadable/20210314-071604 git checkout 85f4765787c386a4b949afaf9721046c0e85955a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In function 'utf8_parse_version', inlined from 'utf8_load' at fs/unicode/utf8mod.c:195:7: >> fs/unicode/utf8mod.c:175:2: warning: 'strncpy' specified bound 12 equals destination size [-Wstringop-truncation] 175 | strncpy(version_string, version, sizeof(version_string)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +175 fs/unicode/utf8mod.c 164 165 static int utf8_parse_version(const char *version, unsigned int *maj, 166 unsigned int *min, unsigned int *rev) 167 { 168 substring_t args[3]; 169 char version_string[12]; 170 static const struct match_token token[] = { 171 {1, "%d.%d.%d"}, 172 {0, NULL} 173 }; 174 > 175 strncpy(version_string, version, sizeof(version_string)); 176 177 if (match_token(version_string, token, args) != 1) 178 return -EINVAL; 179 180 if (match_int(&args[0], maj) || match_int(&args[1], min) || 181 match_int(&args[2], rev)) 182 return -EINVAL; 183 184 return 0; 185 } 186 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org