tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8dca2cd055ffb78b37f52f0bf0bd20c249619c4d commit: b24abcff918a5cbf44b0c982bd3477a93e8e4911 [1880/4499] bpf, kconfig: Add consolidated menu entry for bpf with core options config: arm64-randconfig-r026-20210524 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b4fd512c36ca344a3ff69350219e8b0a67e9472a) 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=b24abcff918a5cbf44b0c982bd3477a93e8e4911 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 b24abcff918a5cbf44b0c982bd3477a93e8e4911 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD 8dca2cd055ffb78b37f52f0bf0bd20c249619c4d builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: arm64_bpf_fixup_exception >>> referenced by extable.c >>> mm/extable.o:(fixup_exception) in archive arch/arm64/built-in.a -- >> ld.lld: error: undefined symbol: search_bpf_extables >>> referenced by extable.c >>> extable.o:(search_exception_tables) in archive kernel/built-in.a -- >> ld.lld: error: undefined symbol: is_bpf_text_address >>> referenced by extable.c >>> extable.o:(kernel_text_address) in archive kernel/built-in.a -- >> ld.lld: error: undefined symbol: __bpf_address_lookup >>> referenced by kallsyms.c >>> kallsyms.o:(kallsyms_lookup_size_offset) in archive kernel/built-in.a >>> referenced by kallsyms.c >>> kallsyms.o:(kallsyms_lookup) in archive kernel/built-in.a -- >> ld.lld: error: undefined symbol: bpf_get_kallsym >>> referenced by kallsyms.c >>> kallsyms.o:(kdb_walk_kallsyms) in archive kernel/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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