Make the reverse mapping owner check actually validate inode numbers.
Coverity-id: 1371628
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
repair/scan.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/repair/scan.c b/repair/scan.c
index 0e13581..b9ef4dc 100644
--- a/repair/scan.c
+++ b/repair/scan.c
@@ -1052,8 +1052,12 @@ _("%s rmap btree block claimed (state %d), agno %d, bno %d, suspect %d\n"),
}
/* Look for impossible owners. */
- if (!(owner > 0 || (owner > XFS_RMAP_OWN_MIN &&
- owner <= XFS_RMAP_OWN_FS)))
+ if (!((owner > XFS_RMAP_OWN_MIN &&
+ owner <= XFS_RMAP_OWN_FS) ||
+ (XFS_INO_TO_AGNO(mp, owner) < mp->m_sb.sb_agcount &&
+ XFS_AGINO_TO_AGBNO(mp,
+ XFS_INO_TO_AGINO(mp, owner)) <
+ mp->m_sb.sb_agblocks)))
do_warn(
_("invalid owner in rmap btree record %d (%"PRId64" %u) block %u/%u\n"),
i, owner, len, agno, bno);
--
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