tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d4a0ae62a277377de396850ed4b709b6bd9b7326 commit: af49aeae1748b573a3794a6283210928a9fc8d0b [6806/7915] mm: Use maple tree operations for find_vma_intersection() config: arm-randconfig-r036-20220223 (https://download.01.org/0day-ci/archive/20220224/202202241512.jmoQhMEv-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=af49aeae1748b573a3794a6283210928a9fc8d0b git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout af49aeae1748b573a3794a6283210928a9fc8d0b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: find_vma_intersection >>> referenced by shm.c >>> shm.o:(do_shmat) in archive ipc/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
