Hi Sean, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3749a0fa9e1453451f807b1ca86250ed77c17f05 commit: f19f5c49bbc3ffcc9126cc245fc1b24cc29f4a37 [1890/1890] x86/speculation/l1tf: Exempt zeroed PTEs from inversion config: x86_64-buildonly-randconfig-006-20251028 (https://download.01.org/0day-ci/archive/20251029/202510290252.pFTAw24p-lkp@i...) 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/20251029/202510290252.pFTAw24p-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/202510290252.pFTAw24p-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/hugetlb.c:3865:40: warning: expression does not compute the number of elements in this array; element type is 'unsigned long', not 'u32' (aka 'unsigned int') [-Wsizeof-array-div] 3865 | hash = jhash2((u32 *)&key, sizeof(key)/sizeof(u32), 0); | ~~~ ^ mm/hugetlb.c:3854:16: note: array 'key' declared here 3854 | unsigned long key[2]; | ^ mm/hugetlb.c:3865:40: note: place parentheses around the 'sizeof(u32)' expression to silence this warning 3865 | hash = jhash2((u32 *)&key, sizeof(key)/sizeof(u32), 0); | ^ 1 warning generated.

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mm/hugetlb.o: warning: objtool: copy_hugetlb_page_range()+0x299: undefined stack state

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