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authorDarrick J. Wong <darrick.wong@oracle.com>2018-01-16 18:53:11 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2018-01-17 21:00:46 -0800
commitcf1b0b8b1a43102cdc0189d76d1c05915c4e16a6 (patch)
tree779947ce4c0e554ae0ac2da2e31295df89e977fe /fs/xfs/scrub/agheader.c
parent561f648ab2bdbb43f2ecc5074854c11537f2aa6c (diff)
xfs: scrub in-core metadata
Whenever we load a buffer, explicitly re-call the structure verifier to ensure that memory isn't corrupting things. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/agheader.c')
-rw-r--r--fs/xfs/scrub/agheader.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c
index 20a3bebdee06..fd975524f460 100644
--- a/fs/xfs/scrub/agheader.c
+++ b/fs/xfs/scrub/agheader.c
@@ -611,6 +611,7 @@ xfs_scrub_agf(
&sc->sa.agf_bp, &sc->sa.agfl_bp);
if (!xfs_scrub_process_error(sc, agno, XFS_AGF_BLOCK(sc->mp), &error))
goto out;
+ xfs_scrub_buffer_recheck(sc, sc->sa.agf_bp);
agf = XFS_BUF_TO_AGF(sc->sa.agf_bp);
@@ -780,6 +781,7 @@ xfs_scrub_agfl(
goto out;
if (!sc->sa.agf_bp)
return -EFSCORRUPTED;
+ xfs_scrub_buffer_recheck(sc, sc->sa.agfl_bp);
xfs_scrub_agfl_xref(sc);
@@ -902,6 +904,7 @@ xfs_scrub_agi(
&sc->sa.agf_bp, &sc->sa.agfl_bp);
if (!xfs_scrub_process_error(sc, agno, XFS_AGI_BLOCK(sc->mp), &error))
goto out;
+ xfs_scrub_buffer_recheck(sc, sc->sa.agi_bp);
agi = XFS_BUF_TO_AGI(sc->sa.agi_bp);