Fix a crash if "recalculate" is specified without "internal_hash".
Signed-off-by: Mikulas Patocka <[email protected]> Cc: [email protected] # v4.19+ Index: linux-2.6/drivers/md/dm-integrity.c =================================================================== --- linux-2.6.orig/drivers/md/dm-integrity.c +++ linux-2.6/drivers/md/dm-integrity.c @@ -4235,6 +4235,12 @@ try_smaller_buffer: r = -ENOMEM; goto bad; } + } else { + if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING)) { + ti->error = "Recalculate can only be specified with internal_hash"; + r = -EINVAL; + goto bad; + } } ic->bufio = dm_bufio_client_create(ic->meta_dev ? ic->meta_dev->bdev : ic->dev->bdev, -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
