tree: https://android.googlesource.com/kernel/common android-4.14-stable head: f7bd8023a51552d114d7476b754db1079039c05f commit: 63d9ea52d9b9ef7dd37c7c6b2a95e630e503a092 [8/18] ANDROID: x86: disable STACK_VALIDATION with LTO_CLANG config: x86_64-randconfig-a016-20200515 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project b31cb3aa5ee7ea92d830b06a0a7e42c7f2791dd4) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 63d9ea52d9b9ef7dd37c7c6b2a95e630e503a092 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): warning: (UNWINDER_ORC) selects STACK_VALIDATION which has unmet direct dependencies (HAVE_STACK_VALIDATION) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org