On Wed, Jun 21, 2023 at 04:47:42PM +0200, Jan Kara wrote: > ext4_bdev_mark_dead() passes bdev->bd_holder to ext4_force_shutdown() > instead of bdev->bd_super leading to crashes. Fix it. How does this crash? ext4_blkdev_get passes the sb as holder, and I actually tested this code. This is not to be confused with the blkdev_get_by_path in get_tree_bdev, but that never ends up in ext4_bdev_mark_dead.
