[linux-next:master 8264/11963] ERROR: modpost: "__fentry__" [tools/testing/selftests/bpf/bpf_test_no_cfi/bpf_test_no_cfi.ko] undefined!

[kernel test robot <lkp@intel.com>]

Hi Kui-Feng,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   11afac187274a6177a7ac82997f8691c0f469e41
commit: e9bbda13a7b876451285ab15fb600b809e5e2290 [8264/11963] selftests/bpf: Test case for lacking CFI stub functions.
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240306/202403061307.f7nX2Ma5-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403061307.f7nX2Ma5-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: Module.symvers is missing.
Modules may not have dependencies or modversions.
You may get many unresolved symbol errors.
You can set KBUILD_MODPOST_WARN=1 to turn errors into warning
if you want to proceed at your own risk.
>> ERROR: modpost: "__fentry__" [tools/testing/selftests/bpf/bpf_test_no_cfi/bpf_test_no_cfi.ko] undefined!
>> ERROR: modpost: "__register_bpf_struct_ops" [tools/testing/selftests/bpf/bpf_test_no_cfi/bpf_test_no_cfi.ko] undefined!
>> ERROR: modpost: "module_layout" [tools/testing/selftests/bpf/bpf_test_no_cfi/bpf_test_no_cfi.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki