kernel: scsi: sg: Fix slab-use-after-free read in sg_release()

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sgrelease Fix a use-after-free bug in sgrelease, detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lockrelease+0x151/0xa30 kernel/locking/lockdep.c:5838...