Merge tag 'iommu-fixes-v5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / fs / xfs / scrub / dabtree.c

diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index f1260b4bfdeed62440cc238138e7fd405c2dccf1..90527b094878971f831c78daafe2483dd99e83d2 100644 (file)
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -574,6 +574,11 @@ xchk_da_btree(
                /* Drill another level deeper. */
                blkno = be32_to_cpu(key->before);
                level++;
+               if (level >= XFS_DA_NODE_MAXDEPTH) {
+                       /* Too deep! */
+                       xchk_da_set_corrupt(&ds, level - 1);
+                       break;
+               }
                ds.tree_level--;
                error = xchk_da_btree_block(&ds, level, blkno);
                if (error)