tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f30a24ed97b401416118756fa35fbe5d28f999e3 commit: f61bc9ffcab1688372969e3cbb36cab83f045c22 [3421/3897] mm: defer kmemleak object creation of module_alloc() config: arm64-buildonly-randconfig-r005-20211128 (https://download.01.org/0day-ci/archive/20211128/202111281723.9B8pkVb8-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5c64d8ef8cc0c0ed3e0f2ae693d99e7f70f20a84) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f61bc9ffcab1688372969e3cbb36cab83f045c22 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 f61bc9ffcab1688372969e3cbb36cab83f045c22 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash mm/kasan/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD f30a24ed97b401416118756fa35fbe5d28f999e3 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> mm/kasan/shadow.c:528:19: error: use of undeclared identifier 'VM_DELAY_KMEMLEAK' if (vm->flags & VM_DELAY_KMEMLEAK) ^ 1 error generated. vim +/VM_DELAY_KMEMLEAK +528 mm/kasan/shadow.c 500 501 int kasan_module_alloc(void *addr, size_t size, gfp_t gfp_mask) 502 { 503 void *ret; 504 size_t scaled_size; 505 size_t shadow_size; 506 unsigned long shadow_start; 507 508 shadow_start = (unsigned long)kasan_mem_to_shadow(addr); 509 scaled_size = (size + KASAN_GRANULE_SIZE - 1) >> 510 KASAN_SHADOW_SCALE_SHIFT; 511 shadow_size = round_up(scaled_size, PAGE_SIZE); 512 513 if (WARN_ON(!PAGE_ALIGNED(shadow_start))) 514 return -EINVAL; 515 516 ret = __vmalloc_node_range(shadow_size, 1, shadow_start, 517 shadow_start + shadow_size, 518 GFP_KERNEL, 519 PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE, 520 __builtin_return_address(0)); 521 522 if (ret) { 523 struct vm_struct *vm = find_vm_area(addr); 524 __memset(ret, KASAN_SHADOW_INIT, shadow_size); 525 vm->flags |= VM_KASAN; 526 kmemleak_ignore(ret); 527 > 528 if (vm->flags & VM_DELAY_KMEMLEAK) 529 kmemleak_vmalloc(vm, size, gfp_mask); 530 531 return 0; 532 } 533 534 return -ENOMEM; 535 } 536 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
