tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ad8be4fa6e8149ba6ea21fdf0089e8254437b3c8 commit: de181b7198eac0e11f97b57d7be42286064b8c79 [12781/13683] lib: zstd: Upgrade to latest upstream zstd version 1.4.10 config: riscv-buildonly-randconfig-r004-20211111 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 63ef0e17e28827eae53133b3467bdac7d9729318) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout de181b7198eac0e11f97b57d7be42286064b8c79 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 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 >>): size_t litLengthSum = 0; ^ 1 error generated. vim +/litLengthSum +413 lib/zstd/compress/zstd_compress_superblock.c 407 408 static size_t ZSTD_seqDecompressedSize(seqStore_t const* seqStore, const seqDef* sequences, size_t nbSeq, size_t litSize, int lastSequence) { 409 const seqDef* const sstart = sequences; 410 const seqDef* const send = sequences + nbSeq; 411 const seqDef* sp = sstart; 412 size_t matchLengthSum = 0; 414 while (send-sp > 0) { 415 ZSTD_sequenceLength const seqLen = ZSTD_getSequenceLength(seqStore, sp); 416 litLengthSum += seqLen.litLength; 417 matchLengthSum += seqLen.matchLength; 418 sp++; 419 } 420 assert(litLengthSum <= litSize); 421 if (!lastSequence) { 422 assert(litLengthSum == litSize); 423 } 424 return matchLengthSum + litSize; 425 } 426 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org