sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e70
Read of size 8 at addr ffff88803fa70868 by task syz-executor/12282

CPU: 1 PID: 12282 Comm: syz-executor Not tainted 6.1.0-rc3-next-20221104 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 print_report+0x175/0x478
 kasan_report+0xbb/0x1c0
 __lock_acquire+0x42c9/0x5e70
 lock_acquire+0x1a2/0x530
 _raw_spin_lock_irq+0x32/0x50
 kmemleak_scan+0x1a0/0x1600
 kmemleak_write+0x570/0x680
 full_proxy_write+0x11d/0x190
 vfs_write+0x2cb/0xd90
 ksys_write+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7efc5baf45c3
Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
RSP: 002b:00007ffc3088ab48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffc3088b188 RCX: 00007efc5baf45c3
RDX: 0000000000000004 RSI: 00007efc5bbaaed9 RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000c2f R09: 00007ffc30894080
R10: 00007ffc30894090 R11: 0000000000000246 R12: 00000000fffffff6
R13: 00007ffc3088bef1 R14: 0000000000000000 R15: 00000000002f9a1f
 </TASK>

Allocated by task 111:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 __kasan_slab_alloc+0x58/0x70
 kmem_cache_alloc+0x1a9/0x3e0
 __create_object+0x3d/0xc00
 kmem_cache_alloc+0x235/0x3e0
 __alloc_file+0x21/0x240
 alloc_empty_file+0x6d/0x170
 path_openat+0xd4/0x29b0
 do_filp_open+0x1b6/0x410
 do_sys_openat2+0x171/0x4c0
 __x64_sys_openat+0x13f/0x1f0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

Freed by task 127:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 kasan_save_free_info+0x2a/0x50
 __kasan_slab_free+0x106/0x190
 kmem_cache_free+0xf7/0x610
 rcu_core+0x7e2/0x2080
 __do_softirq+0x1c3/0x8f5

Last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 __call_rcu_common.constprop.0+0x6a/0xa40
 kmem_cache_free+0xbd/0x610
 rcu_core+0x7e2/0x2080
 __do_softirq+0x1c3/0x8f5

Second to last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 __call_rcu_common.constprop.0+0x6a/0xa40
 kmem_cache_free+0xbd/0x610
 putname+0xfe/0x140
 user_path_at_empty+0x4d/0x60
 do_faccessat+0x11b/0x7f0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

The buggy address belongs to the object at ffff88803fa70850
 which belongs to the cache kmemleak_object of size 240
The buggy address is located 24 bytes inside of
 240-byte region [ffff88803fa70850, ffff88803fa70940)

The buggy address belongs to the physical page:
page:000000009135b810 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3fa70
anon flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 ffff88800804f780 0000000000000000 dead000000000001
raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88803fa70700: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88803fa70780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88803fa70800: 00 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb
                                                          ^
 ffff88803fa70880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88803fa70900: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================