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xfs: rtbitmap scrubber should check inode size

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Make sure the rtbitmap is large enough to store the entire bitmap.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
This commit is contained in:
Darrick J. Wong
2020-07-02 08:42:13 -07:00
parent f866560be2
commit 2fb94e36b6
1 changed files with 7 additions and 0 deletions
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7
fs/xfs/scrub/rtbitmap.c
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@@ -101,6 +101,13 @@ xchk_rtbitmap(
{ {
int error; 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. */ /* Invoke the fork scrubber. */
error = xchk_metadata_inode_forks(sc); error = xchk_metadata_inode_forks(sc);
if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))