Re: [PATCH v2 02/14] hv: vmbus: validate chunk buffer allocation and cleanup

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

Hi Emerson,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus linus/master v7.3-rc6 next-20261008]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Emerson-Busson/hv-vmbus-convert-ring-backing-through-the-chunk-allocator/20261007-160739
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20261007190752.336426-3-emersonbusson%40gmail.com
patch subject: [PATCH v2 02/14] hv: vmbus: validate chunk buffer allocation and cleanup
config: i386-randconfig-1005-20261008 (https://download.01.org/0day-ci/archive/20261009/202610090551.ezkWePE5-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261009/202610090551.ezkWePE5-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/202610090551.ezkWePE5-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: kunit_unary_assert_format
   >>> referenced by vmbus_buffer_test.c:48 (drivers/hv/vmbus_buffer_test.c:48)
   >>>               drivers/hv/vmbus_buffer_test.o:(vmbus_ring_fallback_order_zero_test) in archive vmlinux.a
   >>> referenced by vmbus_buffer_test.c:49 (drivers/hv/vmbus_buffer_test.c:49)
   >>>               drivers/hv/vmbus_buffer_test.o:(vmbus_ring_fallback_order_zero_test) in archive vmlinux.a
   >>> referenced by vmbus_buffer_test.c:61 (drivers/hv/vmbus_buffer_test.c:61)
   >>>               drivers/hv/vmbus_buffer_test.o:(vmbus_buffer_failed_teardown_leaks_test) in archive vmlinux.a
   >>> referenced 3 more times

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