Hi Waiman,

FYI, the error/warning still remains.

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 1a47bbfaad6fcbfb4fe3935cb7408d843caf3760 commit: b91170be2b1f1ef673f5e79c7a4beb5673a8f881 [2435/2435] locking/lockdep: Avoid potential access of invalid memory in lock_class config: x86_64-randconfig-016-20241115 (https://download.01.org/0day-ci/archive/20241129/202411290038.4Q8x22Bi-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290038.4Q8x22Bi-lkp@i...)

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/202411290038.4Q8x22Bi-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

kernel/locking/lockdep.o: warning: objtool: lockdep_unregister_key()+0x9a: unreachable instruction