tree: https://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor.git apparmor-next head: 33e5ae3497d662d94e1b519837906d378826f6ca commit: 52ccc20c652bdb4233c935c82d210c32cf8c98f5 [4/44] apparmor: use zstd compression for profile data config: x86_64-randconfig-a016-20220926 compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/jj/linux-apparmor.git/commit/?id=52ccc20c652bdb4233c935c82d210c32cf8c98f5 git remote add jj-apparmor https://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor.git git fetch --no-tags jj-apparmor apparmor-next git checkout 52ccc20c652bdb4233c935c82d210c32cf8c98f5 # 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=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: zstd_min_clevel >>> referenced by lsm.c:1545 (security/apparmor/lsm.c:1545) >>> vmlinux.o:(param_set_aacompressionlevel) -- >> ld.lld: error: undefined symbol: zstd_max_clevel >>> referenced by lsm.c:1545 (security/apparmor/lsm.c:1545) >>> vmlinux.o:(param_set_aacompressionlevel) -- 0-DAY CI Kernel Test Service https://01.org/lkp