[kbuild-all] [block:for-5.15/drivers 41/47] ld.lld: error: undefined symbol: __mulodi4

tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.15/drivers head: 6e4df4c6488165637b95b9701cc862a42a3836ba commit: fad7cd3310db3099f95dd34312c77740fbc455e5 [41/47] nbd: add the check to prevent overflow in __nbd_ioctl() config: riscv-randconfig-r012-20210814 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa) 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/axboe/linux-block.git/com... git remote add block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git git fetch --no-tags block for-5.15/drivers git checkout fad7cd3310db3099f95dd34312c77740fbc455e5 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=riscv SHELL=/bin/bash 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