tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1d1df41c5a33359a00e919d54eaebfb789711fdc commit: dd03762ab608e058c8f390ad9cf667e490089796 arm64: Enable KCSAN date: 5 weeks ago config: arm64-randconfig-r026-20220119 (https://download.01.org/0day-ci/archive/20220119/202201192107.YpjbsasI-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dd03762ab608e058c8f390ad9cf667e490089796 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/block/aoe/aoenet.c: In function 'aoe_iflist_setup': 42 | strncpy(aoe_iflist, str, IFLISTSZ); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +42 drivers/block/aoe/aoenet.c eb086ec59667df Ed L. Cashin 2012-10-04 38 03c41c434775c5 Ed L. Cashin 2005-04-29 39 #ifndef MODULE 03c41c434775c5 Ed L. Cashin 2005-04-29 40 static int __init aoe_iflist_setup(char *str) 03c41c434775c5 Ed L. Cashin 2005-04-29 41 { 03c41c434775c5 Ed L. Cashin 2005-04-29 @42 strncpy(aoe_iflist, str, IFLISTSZ); 03c41c434775c5 Ed L. Cashin 2005-04-29 43 aoe_iflist[IFLISTSZ - 1] = '\0'; 03c41c434775c5 Ed L. Cashin 2005-04-29 44 return 1; 03c41c434775c5 Ed L. Cashin 2005-04-29 45 } 03c41c434775c5 Ed L. Cashin 2005-04-29 46 :::::: The code at line 42 was first introduced by commit :::::: 03c41c434775c52092d17a5031ad8ebaaf555bc4 [PATCH] aoe: improve allowed interfaces configuration :::::: TO: Ed L Cashin <ecashin(a)coraid.com&gt; :::::: CC: Greg KH <gregkh(a)suse.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org