* ERROR: modpost: "__ubsan_handle_add_overflow" [fs/fuse/virtiofs.ko] undefined!
@ 2025-04-25 22:16 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-04-25 22:16 UTC (permalink / raw)
To: Kees Cook; +Cc: llvm, oe-kbuild-all, linux-kernel, Justin Stitt
Hi Kees,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 02ddfb981de88a2c15621115dd7be2431252c568
commit: 47f4af43e7c0cf702d6a6321542f0c0d9c4216e3 ubsan/overflow: Enable ignorelist parsing and add type filter
date: 7 weeks ago
config: s390-randconfig-002-20250426 (https://download.01.org/0day-ci/archive/20250426/202504260602.AgMbjS8a-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250426/202504260602.AgMbjS8a-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/202504260602.AgMbjS8a-lkp@intel.com/
All errors (new ones prefixed by >>, old ones prefixed by <<):
>> ERROR: modpost: "__ubsan_handle_add_overflow" [fs/fuse/virtiofs.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_sub_overflow" [fs/fuse/virtiofs.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_add_overflow" [fs/ecryptfs/ecryptfs.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_mul_overflow" [fs/ecryptfs/ecryptfs.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_sub_overflow" [fs/ecryptfs/ecryptfs.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_add_overflow" [fs/jffs2/jffs2.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_sub_overflow" [fs/jffs2/jffs2.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_add_overflow" [fs/overlayfs/overlay.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_mul_overflow" [fs/overlayfs/overlay.ko] undefined!
>> ERROR: modpost: "__ubsan_handle_sub_overflow" [fs/overlayfs/overlay.ko] undefined!
WARNING: modpost: suppressed 52 unresolved symbol warnings because there were too many)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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