diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5b62a3d49e12..b326cd26b027 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7834,7 +7834,8 @@ void md_do_sync(struct md_thread *thread)
 		      > (max_sectors >> 4)) ||
 		     time_after_eq(jiffies, update_time + UPDATE_FREQUENCY) ||
 		     (j - mddev->curr_resync_completed)*2
-		     >= mddev->resync_max - mddev->curr_resync_completed
+		     >= mddev->resync_max - mddev->curr_resync_completed ||
+		     mddev->curr_resync_completed > mddev->resync_max
 			    )) {
 			/* time to update curr_resync_completed */
 			wait_event(mddev->recovery_wait,
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 19bbdbe1a52f..1c27aa10f89c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5542,7 +5542,8 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk
 	sector_nr += reshape_sectors;
 	retn = reshape_sectors;
 finish:
-	if ((sector_nr - mddev->curr_resync_completed) * 2
+	if (mddev->curr_resync_completed > mddev->resync_max ||
+	    (sector_nr - mddev->curr_resync_completed) * 2
 	    >= mddev->resync_max - mddev->curr_resync_completed) {
 		/* Cannot proceed until we've updated the superblock... */
 		wait_event(conf->wait_for_overlap,