On 6/30/20 8:41 AM, Darrick J. Wong wrote:
From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Make sure the rtbitmap is large enough to store the entire bitmap. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Looks good Reviewed-by: Allison Collins <allison.henderson@xxxxxxxxxx>
--- fs/xfs/scrub/rtbitmap.c | 7 +++++++ 1 file changed, 7 insertions(+) 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))
