CC: linux-kernel(a)vger.kernel.org TO: Josh Poimboeuf <jpoimboe(a)redhat.com&gt; CC: Thomas Gleixner <tglx(a)linutronix.de&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8b6ddd10d678bebec32381f71b6b420bafc43ad0 commit: e65050b94d8c518fdbee572ea4ca6d352e1fda37 objtool: Fix seg fault on bad switch table entry date: 11 months ago config: x86_64-randconfig-r005-20200621 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ef455a55bcf2cfea04a99c361b182ad18b7f03f1) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout e65050b94d8c518fdbee572ea4ca6d352e1fda37 # 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: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org