Hi Tianjia, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b6fc3fddade7a194bd141a49f2689e50f796ef46 commit: a41b2129461f6c88e087ca9a6e2fde34cb6deb48 [4780/6121] crypto: arm64/sm3 - add NEON assembly implementation config: arm64-randconfig-r022-20221109 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 463da45892e2d2a262277b91b96f5f8c05dc25d0) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=a41b2129461f6c88e087ca9a6e2fde34cb6deb48 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 a41b2129461f6c88e087ca9a6e2fde34cb6deb48 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot Note: the linux-next/master HEAD b6fc3fddade7a194bd141a49f2689e50f796ef46 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "__tsan_memset" [arch/arm64/crypto/sha1-ce.ko] undefined! ERROR: modpost: "__tsan_memcpy" [arch/arm64/crypto/sha1-ce.ko] undefined! ERROR: modpost: "__tsan_memcpy" [arch/arm64/crypto/sha2-ce.ko] undefined! ERROR: modpost: "__tsan_memset" [arch/arm64/crypto/sha2-ce.ko] undefined! >> ERROR: modpost: "__tsan_memset" [arch/arm64/crypto/sm3-neon.ko] undefined! >> ERROR: modpost: "__tsan_memcpy" [arch/arm64/crypto/sm3-neon.ko] undefined! ERROR: modpost: "__tsan_memset" [arch/arm64/crypto/sm3-ce.ko] undefined! ERROR: modpost: "__tsan_memcpy" [arch/arm64/crypto/sm3-ce.ko] undefined! ERROR: modpost: "__tsan_memset" [arch/arm64/crypto/polyval-ce.ko] undefined! ERROR: modpost: "__tsan_memcpy" [arch/arm64/crypto/polyval-ce.ko] undefined! WARNING: modpost: suppressed 1237 unresolved symbol warnings because there were too many) -- 0-DAY CI Kernel Test Service https://01.org/lkp