tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ec2618180c3450d06a6a4ba951d4c9a2c689b517 commit: 9fb7170c7fba3f6099d57b3d028c500df70a9980 [2605/2770] kasan: use dump_stack_lvl(KERN_ERR) to print stacks config: arm64-randconfig-r014-20210513 (attached as .config) compiler: aarch64-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 9fb7170c7fba3f6099d57b3d028c500df70a9980 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): mm/kasan/report.c: In function 'print_address_description': 233 | dump_stack_lvl(KERN_ERR); | ^~~~~~~~~~~~~~ | dump_stack cc1: some warnings being treated as errors vim +233 mm/kasan/report.c 228 229 static void print_address_description(void *addr, u8 tag) 230 { 231 struct page *page = kasan_addr_to_page(addr); 232 234 pr_err("\n"); 235 236 if (page && PageSlab(page)) { 237 struct kmem_cache *cache = page->slab_cache; 238 void *object = nearest_obj(cache, page, addr); 239 240 describe_object(cache, object, addr, tag); 241 } 242 243 if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) { 244 pr_err("The buggy address belongs to the variable:\n"); 245 pr_err(" %pS\n", addr); 246 } 247 248 if (page) { 249 pr_err("The buggy address belongs to the page:\n"); 250 dump_page(page, "kasan: bad access detected"); 251 } 252 253 kasan_print_address_stack_frame(addr); 254 } 255 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org