[linux-next:master 1880/4499] ld.lld: error: undefined symbol: arm64_bpf_fixup_exception

[linux-next:master 1880/4499] ld.lld: error: undefined symbol: arm64_bpf_fixup_exception

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 2491 bytes --]

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@intel.com>

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@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 30769 bytes --]

Re: [linux-next:master 1880/4499] ld.lld: error: undefined symbol: arm64_bpf_fixup_exception

[Daniel Borkmann]

On 5/24/21 3:25 AM, kernel test robot wrote:
> 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@intel.com>
> 
> Note: the linux-next/master HEAD 8dca2cd055ffb78b37f52f0bf0bd20c249619c4d builds fine.
>        It may have been fixed somewhere.

Yes, fixed by:

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=6bdacdb48e94ff26c03c6eeeef48c03c5e2f7dd4