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BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e80
Read of size 8 at addr ffff888043286608 by task syz-executor/7791

CPU: 0 PID: 7791 Comm: syz-executor Not tainted 6.1.0-rc3-next-20221102 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xc3
 print_report+0x175/0x478
 kasan_report+0xbb/0x1d0
 __lock_acquire+0x42c9/0x5e80
 lock_acquire+0x1a2/0x540
 _raw_spin_lock_irq+0x32/0x60
 kmemleak_scan+0x1a0/0x1610
 kmemleak_write+0x570/0x690
 full_proxy_write+0x11d/0x1a0
 vfs_write+0x2cb/0xda0
 ksys_write+0x127/0x260
 do_syscall_64+0x3b/0xa0
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f93d9d9c5c3
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:00007ffc0e1f0dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffc0e1f1418 RCX: 00007f93d9d9c5c3
RDX: 0000000000000004 RSI: 00007f93d9e52ed9 RDI: 0000000000000003
RBP: 0000000000000002 R08: 00000000000001e7 R09: 00007ffc0e1f2080
R10: 00007ffc0e1f2090 R11: 0000000000000246 R12: 00000000fffffff6
R13: 00007ffc0e1f1ef1 R14: 0000000000000000 R15: 0000000000077064
 </TASK>

Allocated by task 7790:
 kasan_save_stack+0x1e/0x50
 kasan_set_track+0x21/0x40
 __kasan_slab_alloc+0x58/0x80
 kmem_cache_alloc+0x1a9/0x3f0
 __create_object+0x3d/0xc10
 kmem_cache_alloc_lru+0x2d8/0x750
 __d_alloc+0x31/0x9d0
 d_alloc+0x46/0x1d0
 __lookup_hash+0xcc/0x1a0
 do_unlinkat+0x288/0x620
 __x64_sys_unlink+0xc6/0x120
 do_syscall_64+0x3b/0xa0
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

Freed by task 13:
 kasan_save_stack+0x1e/0x50
 kasan_set_track+0x21/0x40
 kasan_save_free_info+0x2a/0x60
 __kasan_slab_free+0x106/0x1a0
 kmem_cache_free+0xf7/0x620
 rcu_core+0x7e2/0x2090
 __do_softirq+0x1c3/0x8f5

Last potentially related work creation:
 kasan_save_stack+0x1e/0x50
 __kasan_record_aux_stack+0x95/0xc0
 __call_rcu_common.constprop.0+0x6a/0xa50
 kmem_cache_free+0xbd/0x620
 rcu_core+0x7e2/0x2090
 __do_softirq+0x1c3/0x8f5

The buggy address belongs to the object at ffff8880432865f0
 which belongs to the cache kmemleak_object of size 240
The buggy address is located 24 bytes inside of
 240-byte region [ffff8880432865f0, ffff8880432866e0)

The buggy address belongs to the physical page:
page:00000000605c1042 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43286
flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 ffff888007c4f780 dead000000000122 0000000000000000
raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888043286500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888043286580: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb
>ffff888043286600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff888043286680: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
 ffff888043286700: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb
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