Hi Dan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on hnaz-mm/master linus/master v5.18-rc5 next-20220505] [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/intel-lab-lkp/linux/commits/Dan-Moulding/Allow-setting-hostname-before-userspace-starts/20220506-023146 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 107c948d1d3e61d10aee9d0f7c3d81bbee9842af config: riscv-randconfig-r042-20220505 (https://download.01.org/0day-ci/archive/20220506/202205060821.6KCNxZBf-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/1071875b349d9b8307eb0f4d23dda06a2301fe03 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Dan-Moulding/Allow-setting-hostname-before-userspace-starts/20220506-023146 git checkout 1071875b349d9b8307eb0f4d23dda06a2301fe03 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): init/version.c: In function 'early_hostname': >> init/version.c:45:9: warning: 'strncpy' specified bound 65 equals destination size [-Wstringop-truncation] 45 | strncpy(init_uts_ns.name.nodename, arg, bufsize); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +45 init/version.c 39 40 static int __init early_hostname(char *arg) 41 { 42 size_t bufsize = sizeof(init_uts_ns.name.nodename); 43 size_t maxlen = bufsize - 1; 44 > 45 strncpy(init_uts_ns.name.nodename, arg, bufsize); 46 if (strlen(arg) > maxlen) { 47 pr_warn("hostname parameter exceeds %zd characters and will be truncated", 48 maxlen); 49 init_uts_ns.name.nodename[maxlen] = '\0'; 50 } 51 return 0; 52 } 53 early_param("hostname", early_hostname); 54 -- 0-DAY CI Kernel Test Service https://01.org/lkp
