tree: https://github.com/oracle/dtrace-linux-kernel v1/5.15 head: 0fee66d7ce96317146609675767971d0f35c3e74 commit: 9bb7076b2261cf2470e94df26762679a950a0b1e [21/35] dtrace: sdt provider core components config: um-x86_64_defconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/oracle/dtrace-linux-kernel/commit/9bb7076b2261cf2470e9... git remote add oracle-dtrace https://github.com/oracle/dtrace-linux-kernel git fetch --no-tags oracle-dtrace v1/5.15 git checkout 9bb7076b2261cf2470e94df26762679a950a0b1e # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=x86_64 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 >>): collect2: error: ld returned 1 exit status --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org