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authorDarrick J. Wong <darrick.wong@oracle.com>2020-03-18 13:24:56 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2020-06-24 18:12:17 -0700
commit8b7697fad34f86903219c3b365f20f59b46ba523 (patch)
tree368bb67a356b8532dc83b20aee5d0cfeaadc0d4e
parentd9b30c1a64f26ae1a917d1162cd6f59fd0b98444 (diff)
xfs: rtbitmap scrubber should check inode sizescrub-fixes_2020-06-24
Make sure the rtbitmap is large enough to store the entire bitmap. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
-rw-r--r--fs/xfs/scrub/rtbitmap.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c
index c777c98c50c3..76e4ffe0315b 100644
--- a/fs/xfs/scrub/rtbitmap.c
+++ b/fs/xfs/scrub/rtbitmap.c
@@ -101,6 +101,13 @@ xchk_rtbitmap(
{
int error;
+ /* Is the size of the rtbitmap correct? */
+ if (sc->mp->m_rbmip->i_d.di_size !=
+ XFS_FSB_TO_B(sc->mp, sc->mp->m_sb.sb_rbmblocks)) {
+ xchk_ino_set_corrupt(sc, sc->mp->m_rbmip->i_ino);
+ return 0;
+ }
+
/* Invoke the fork scrubber. */
error = xchk_metadata_inode_forks(sc);
if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))