tree: https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify head: db93035ad25a2cca0e32a269b526a3670e072a63 commit: 34f65f05d4c9ae99d8ba299bdeb9c560f28d17bc [9/10] fs: introduce a wrapper uuid_to_fsid() config: x86_64-randconfig-a014-20210419 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 2b50f5a4343f8fb06acaa5c36355bcf58092c9cd) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git/commit/... git remote add ext3 https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git git fetch --no-tags ext3 fsnotify git checkout 34f65f05d4c9ae99d8ba299bdeb9c560f28d17bc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from fs/ubifs/shrinker.c:30: In file included from fs/ubifs/ubifs.h:15: return u64_to_fsid(le64_to_cpup((void *)uuid) ^ ^ 1 error generated. vim +/le64_to_cpup +56 include/linux/statfs.h 52 53 /* Fold 16 bytes uuid to 64 bit fsid */ 54 static inline __kernel_fsid_t uuid_to_fsid(__u8 *uuid) 55 { 57 le64_to_cpup((void *)(uuid + sizeof(u64)))); 58 } 59 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org