linux-kernel - ERROR: modpost: "kmsan_handle_dma" [drivers/virtio/virtio

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Message-ID: <202502150634.qjxwSeJR-lkp@intel.com>
Date: Sat, 15 Feb 2025 06:42:36 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: ERROR: modpost: "kmsan_handle_dma" [drivers/virtio/virtio_ring.ko]
 undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   04f41cbf03ec7221ab0b179e336f4c805ee55520
commit: 35772d627b55cc7fb4f33bae57c564a25b3121a9 sched: Enable PREEMPT_DYNAMIC for PREEMPT_RT
date:   3 months ago
config: x86_64-buildonly-randconfig-005-20250215 (https://download.01.org/0day-ci/archive/20250215/202502150634.qjxwSeJR-lkp@intel.com/config)
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/20250215/202502150634.qjxwSeJR-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/202502150634.qjxwSeJR-lkp@intel.com/

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from arch/x86/kvm/cpuid.c:13:
In file included from include/linux/kvm_host.h:16:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
|                               ~~~~~~~~~~~ ^ ~~~
1 warning generated.
>> arch/x86/kvm/cpuid.o: warning: objtool: do_cpuid_func+0x2428: undefined stack state
--
>> ERROR: modpost: "kmsan_handle_dma" [drivers/virtio/virtio_ring.ko] undefined!

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