linux-kernel - Re: [PATCH v4 08/10] smb/client: introduce smb2maperror KUnit tests

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Message-ID: <202512090558.gcQGSnU4-lkp@intel.com>
Date: Tue, 9 Dec 2025 05:29:25 +0800
From: kernel test robot <lkp@...el.com>
To: chenxiaosong.chenxiaosong@...ux.dev, sfrench@...ba.org,
	smfrench@...il.com, linkinjeon@...nel.org, linkinjeon@...ba.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-cifs@...r.kernel.org, linux-kernel@...r.kernel.org,
	liuzhengyuan@...inos.cn, huhai@...inos.cn, liuyun01@...inos.cn,
	ChenXiaoSong <chenxiaosong@...inos.cn>
Subject: Re: [PATCH v4 08/10] smb/client: introduce smb2maperror KUnit tests

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on linus/master v6.18]
[cannot apply to cifs/for-next next-20251208]
[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/chenxiaosong-chenxiaosong-linux-dev/smb-client-reduce-loop-count-in-map_smb2_to_linux_error-by-half/20251206-232731
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link:    https://lore.kernel.org/r/20251206151826.2932970-9-chenxiaosong.chenxiaosong%40linux.dev
patch subject: [PATCH v4 08/10] smb/client: introduce smb2maperror KUnit tests
config: i386-randconfig-004-20251208 (https://download.01.org/0day-ci/archive/20251209/202512090558.gcQGSnU4-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251209/202512090558.gcQGSnU4-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512090558.gcQGSnU4-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: kunit_binary_str_assert_format
   >>> referenced by smb2maperror_test.c:40 (fs/smb/client/smb2maperror_test.c:40)
   >>>               fs/smb/client/smb2maperror.o:(maperror_test_check_search) in archive vmlinux.a

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