tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git arm-kill-set_fs-4 head: 1d3fb77b2dd5e198884e0ebf81087989dfd6eff8 commit: 3c051fc857c56aa39bcfdebcb819e1ed5d2c9a8b [11/37] syscalls: simplify compat sys_kexec_load config: x86_64-randconfig-a001-20200917 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1321160a26e7e489baf9b10d6de90a342f898960) 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 3c051fc857c56aa39bcfdebcb819e1ed5d2c9a8b # 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 errors (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org