tree: git://git.infradead.org/users/hch/xfs xfs-inode-shrink.4 head: d2b8c2be4ff4933df97ff3910bf13e11050b345d commit: d953c80672a90e83de00655c46006da572ecddff [1/18] xfs: split xfs_imap_to_bp config: arm-randconfig-r014-20210318 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project fcc1ce00931751ac02498986feb37744e9ace8de) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git remote add hch-xfs git://git.infradead.org/users/hch/xfs git fetch --no-tags hch-xfs xfs-inode-shrink.4 git checkout d953c80672a90e83de00655c46006da572ecddff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 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 >>): dip = xfs_buf_offset(cluster_bp, imap.im_boffset); ^ 1 error generated. vim +/dip +282 fs/xfs/scrub/ialloc.c 199 200 /* 201 * Check that the holemask and freemask of a hypothetical inode cluster match 202 * what's actually on disk. If sparse inodes are enabled, the cluster does 203 * not actually have to map to inodes if the corresponding holemask bit is set. 204 * 205 * @cluster_base is the first inode in the cluster within the @irec. 206 */ 207 STATIC int 208 xchk_iallocbt_check_cluster( 209 struct xchk_btree *bs, 210 struct xfs_inobt_rec_incore *irec, 211 unsigned int cluster_base) 212 { 213 struct xfs_imap imap; 214 struct xfs_mount *mp = bs->cur->bc_mp; 215 struct xfs_buf *cluster_bp; 216 unsigned int nr_inodes; 217 xfs_agnumber_t agno = bs->cur->bc_ag.agno; 218 xfs_agblock_t agbno; 219 unsigned int cluster_index; 220 uint16_t cluster_mask = 0; 221 uint16_t ir_holemask; 222 int error = 0; 223 224 nr_inodes = min_t(unsigned int, XFS_INODES_PER_CHUNK, 225 M_IGEO(mp)->inodes_per_cluster); 226 227 /* Map this inode cluster */ 228 agbno = XFS_AGINO_TO_AGBNO(mp, irec->ir_startino + cluster_base); 229 230 /* Compute a bitmask for this cluster that can be used for holemask. */ 231 for (cluster_index = 0; 232 cluster_index < nr_inodes; 233 cluster_index += XFS_INODES_PER_HOLEMASK_BIT) 234 cluster_mask |= XFS_INOBT_MASK((cluster_base + cluster_index) / 235 XFS_INODES_PER_HOLEMASK_BIT); 236 237 /* 238 * Map the first inode of this cluster to a buffer and offset. 239 * Be careful about inobt records that don't align with the start of 240 * the inode buffer when block sizes are large enough to hold multiple 241 * inode chunks. When this happens, cluster_base will be zero but 242 * ir_startino can be large enough to make im_boffset nonzero. 243 */ 244 ir_holemask = (irec->ir_holemask & cluster_mask); 245 imap.im_blkno = XFS_AGB_TO_DADDR(mp, agno, agbno); 246 imap.im_len = XFS_FSB_TO_BB(mp, M_IGEO(mp)->blocks_per_cluster); 247 imap.im_boffset = XFS_INO_TO_OFFSET(mp, irec->ir_startino) << 248 mp->m_sb.sb_inodelog; 249 250 if (imap.im_boffset != 0 && cluster_base != 0) { 251 ASSERT(imap.im_boffset == 0 || cluster_base == 0); 252 xchk_btree_set_corrupt(bs->sc, bs->cur, 0); 253 return 0; 254 } 255 256 trace_xchk_iallocbt_check_cluster(mp, agno, irec->ir_startino, 257 imap.im_blkno, imap.im_len, cluster_base, nr_inodes, 258 cluster_mask, ir_holemask, 259 XFS_INO_TO_OFFSET(mp, irec->ir_startino + 260 cluster_base)); 261 262 /* The whole cluster must be a hole or not a hole. */ 263 if (ir_holemask != cluster_mask && ir_holemask != 0) { 264 xchk_btree_set_corrupt(bs->sc, bs->cur, 0); 265 return 0; 266 } 267 268 /* If any part of this is a hole, skip it. */ 269 if (ir_holemask) { 270 xchk_xref_is_not_owned_by(bs->sc, agbno, 271 M_IGEO(mp)->blocks_per_cluster, 272 &XFS_RMAP_OINFO_INODES); 273 return 0; 274 } 275 276 xchk_xref_is_owned_by(bs->sc, agbno, M_IGEO(mp)->blocks_per_cluster, 277 &XFS_RMAP_OINFO_INODES); 278 279 /* Grab the inode cluster buffer. */ 280 error = xfs_imap_to_bp(mp, bs->cur->bc_tp, &imap, &cluster_bp); 281 if (!error) 283 if (!xchk_btree_xref_process_error(bs->sc, bs->cur, 0, &error)) 284 return error; 285 286 /* Check free status of each inode within this cluster. */ 287 for (cluster_index = 0; cluster_index < nr_inodes; cluster_index++) { 288 struct xfs_dinode *dip; 289 290 if (imap.im_boffset >= BBTOB(cluster_bp->b_length)) { 291 xchk_btree_set_corrupt(bs->sc, bs->cur, 0); 292 break; 293 } 294 295 dip = xfs_buf_offset(cluster_bp, imap.im_boffset); 296 error = xchk_iallocbt_check_cluster_ifree(bs, irec, 297 cluster_base + cluster_index, dip); 298 if (error) 299 break; 300 imap.im_boffset += mp->m_sb.sb_inodesize; 301 } 302 303 xfs_trans_brelse(bs->cur->bc_tp, cluster_bp); 304 return error; 305 } 306 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org