[kbuild-all] Error: failed to load BTF from /kbuild/obj/consumer/x86_64-randconfig-a004-20211215/vmlinux: No such file or directory

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5472f14a37421d1bca3dddf33cabd3bd6dbefbbc commit: 66d9282523b3228183b14d9f812872dd2620704d mm/page_alloc: Correct return value of populated elements if bulk array is populated date: 6 months ago config: x86_64-randconfig-a004-20211215 (https://download.01.org/0day-ci/archive/20211215/202112151834.E4Cf3891-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c) 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 66d9282523b3228183b14d9f812872dd2620704d # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 SHELL=/bin/bash tools/all 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 >>): make[4]: *** [Makefile:180: /kbuild/obj/consumer/x86_64-randconfig-a004-20211215/tools/bpf/bpftool/vmlinux.h] Error 2 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [Makefile:110: bpftool] Error 2 make[3]: *** Waiting for unfinished jobs.... make[5]: *** [Makefile:180: /kbuild/obj/consumer/x86_64-randconfig-a004-20211215/tools/bpf/runqslower/bpftool/vmlinux.h] Error 2 make[4]: *** [Makefile:90: /kbuild/obj/consumer/x86_64-randconfig-a004-20211215/tools/bpf/runqslower/bpftool/bpftool] Error 2 make[3]: *** [Makefile:119: runqslower] Error 2 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org