CVE-2024-56764 ublk: detach gendisk from ublk device if add_disk() fails

In the Linux kernel, the following vulnerability has been resolved: ublk: detach gendisk from ublk device if adddisk fails Inside ublkabortrequests, gendisk is grabbed for aborting all inflight requests. And ublkabortrequests is called when exiting the uring context or handling timeout. If adddis...