CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: "Darrick J. Wong" <darrick.w...@oracle.com> CC: linux-ker...@vger.kernel.org TO: "Darrick J. Wong" <djw...@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git vectorized-scrub head: 37f1eaa855b8115b247530a5e8081189a09db2de commit: eb48b17fd386b5fa0d5021ac0b7f02cc50c82b1c [89/346] xfs: implement live quotacheck inode scan :::::: branch date: 23 hours ago :::::: commit date: 23 hours ago config: riscv-randconfig-c006-20220317 (https://download.01.org/0day-ci/archive/20220319/202203190411.pulzg6y6-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6e70e4056dff962ec634c5bd4f2f4105a0bef71) 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/djwong/xfs-linux.git/commit/?id=eb48b17fd386b5fa0d5021ac0b7f02cc50c82b1c git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs vectorized-scrub git checkout eb48b17fd386b5fa0d5021ac0b7f02cc50c82b1c # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) drivers/hwmon/lm73.c:76:62: warning: The result of the left shift is undefined because the left operand is negative [clang-analyzer-core.UndefinedBinaryOperatorResult] value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ drivers/hwmon/lm73.c:72:6: note: Assuming 'status' is >= 0 if (status < 0) ^~~~~~~~~~ drivers/hwmon/lm73.c:72:2: note: Taking false branch if (status < 0) ^ drivers/hwmon/lm73.c:76:10: note: Assuming '__UNIQUE_ID___x248' is <= '__UNIQUE_ID___y249' value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/minmax.h:104:48: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:14: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:31:25: note: expanded from macro '__cmp_once' typeof(x) unique_x = (x); \ ^ drivers/hwmon/lm73.c:76:10: note: '?' condition is false value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ drivers/hwmon/lm73.c:76:10: note: '__UNIQUE_ID___x250' is < '__UNIQUE_ID___y251' value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:104:27: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^~~ drivers/hwmon/lm73.c:76:10: note: '?' condition is true value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^ include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^ include/linux/minmax.h:104:27: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ drivers/hwmon/lm73.c:76:62: note: The result of the left shift is undefined because the left operand is negative value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; ^ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. >> fs/xfs/xfs_inode.c:3829:20: warning: Value stored to 'ifp' during its >> initialization is never read [clang-analyzer-deadcode.DeadStores] struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); ^~~ fs/xfs/xfs_inode.c:3829:20: note: Value stored to 'ifp' during its initialization is never read struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); ^~~ Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. fs/xfs/xfs_iwalk.c:359:2: warning: Value stored to 'irec' is never read [clang-analyzer-deadcode.DeadStores] irec = &iwag->recs[iwag->nr_recs - 1]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_iwalk.c:359:2: note: Value stored to 'irec' is never read irec = &iwag->recs[iwag->nr_recs - 1]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 8 warnings (7 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. Suppressed 7 warnings (7 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. fs/xfs/xfs_reflink.c:1182:3: warning: Value stored to 'qdelta' is never read [clang-analyzer-deadcode.DeadStores] qdelta += dmap->br_blockcount; ^ ~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_reflink.c:1182:3: note: Value stored to 'qdelta' is never read qdelta += dmap->br_blockcount; ^ ~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_reflink.c:1356:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = -EINVAL; ^ ~~~~~~~ fs/xfs/xfs_reflink.c:1356:2: note: Value stored to 'ret' is never read ret = -EINVAL; ^ ~~~~~~~ Suppressed 8 warnings (7 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/hwmon/lm75.h:30:29: warning: The result of the left shift is undefined because the left operand is negative [clang-analyzer-core.UndefinedBinaryOperatorResult] return (u16)((ntemp / 500) << 7); ^ drivers/hwmon/nct6775.c:2494:6: note: Assuming 'err' is >= 0 if (err < 0) ^~~~~~~ drivers/hwmon/nct6775.c:2494:2: note: Taking false branch if (err < 0) ^ drivers/hwmon/nct6775.c:2498:26: note: Calling 'LM75_TEMP_TO_REG' data->temp[index][nr] = LM75_TEMP_TO_REG(val); ^~~~~~~~~~~~~~~~~~~~~ drivers/hwmon/lm75.h:27:14: note: Assuming '__UNIQUE_ID___x179' is <= '__UNIQUE_ID___y180' int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/minmax.h:104:48: note: expanded from macro 'min_t' #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:14: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:31:25: note: expanded from macro '__cmp_once' typeof(x) unique_x = (x); \ ^ drivers/hwmon/lm75.h:27:14: note: '?' condition is false int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX); ^ include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val' #define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) ^ include/linux/minmax.h:124:48: note: expanded from macro 'clamp_t' #define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi) ^ include/linux/minmax.h:112:27: note: expanded from macro 'max_t' #define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' vim +/ifp +3829 fs/xfs/xfs_inode.c eb48b17fd386b5 Darrick J. Wong 2022-01-06 3820 eb48b17fd386b5 Darrick J. Wong 2022-01-06 3821 /* Compute the number of data and realtime blocks used by a file. */ eb48b17fd386b5 Darrick J. Wong 2022-01-06 3822 void eb48b17fd386b5 Darrick J. Wong 2022-01-06 3823 xfs_inode_count_blocks( eb48b17fd386b5 Darrick J. Wong 2022-01-06 3824 struct xfs_trans *tp, eb48b17fd386b5 Darrick J. Wong 2022-01-06 3825 struct xfs_inode *ip, eb48b17fd386b5 Darrick J. Wong 2022-01-06 3826 xfs_filblks_t *dblocks, eb48b17fd386b5 Darrick J. Wong 2022-01-06 3827 xfs_filblks_t *rblocks) eb48b17fd386b5 Darrick J. Wong 2022-01-06 3828 { eb48b17fd386b5 Darrick J. Wong 2022-01-06 @3829 struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
