diff options
Diffstat (limited to 'module/zfs/vdev.c')
| -rw-r--r-- | module/zfs/vdev.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c index b17682d81..a803833ba 100644 --- a/module/zfs/vdev.c +++ b/module/zfs/vdev.c @@ -1646,6 +1646,17 @@ vdev_open(vdev_t *vd) error = vd->vdev_ops->vdev_op_open(vd, &osize, &max_osize, &ashift); /* + * Physical volume size should never be larger than its max size, unless + * the disk has shrunk while we were reading it or the device is buggy + * or damaged: either way it's not safe for use, bail out of the open. + */ + if (osize > max_osize) { + vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, + VDEV_AUX_OPEN_FAILED); + return (SET_ERROR(ENXIO)); + } + + /* * Reset the vdev_reopening flag so that we actually close * the vdev on error. */ |