Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 1 UID: 0 PID: 22557 Comm: syz.0.5381 Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:klist_remove+0x14a/0x340
Code: 4d 89 f5 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 09 db bc f6 4d 8b 26 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 ea da bc f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0000:ffffc90007547600 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffff888033fb0000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900075476e8 R08: ffffffff8f870583 R09: 1ffffffff1f0e0b0
R10: dffffc0000000000 R11: fffffbfff1f0e0b1 R12: 0000000000000000
R13: 1ffff1102445758c R14: ffff8881222bac60 R15: dffffc0000000000
FS:  00007fe6085f66c0(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561cc0050a20 CR3: 000000000df38000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 device_move+0x193/0x700
 hci_conn_del_sysfs+0xb8/0x170
 hci_conn_del+0x949/0xcf0
 hci_conn_hash_flush+0x191/0x230
 hci_dev_close_sync+0xaef/0x1330
 hci_unregister_dev+0x21a/0x510
 vhci_release+0x80/0xd0
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x22e0
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe60a38ebe9
Code: Unable to access opcode bytes at 0x7fe60a38ebbf.
RSP: 002b:00007fe6085f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000000c0 RBX: 00007fe60a5b6090 RCX: 00007fe60a38ebe9
RDX: 0000000000000000 RSI: 0000200000000440 RDI: 000000000000000a
RBP: 00007fe60a411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe60a5b6128 R14: 00007fe60a5b6090 R15: 00007ffef2bfaa18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_remove+0x14a/0x340
Code: 4d 89 f5 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 09 db bc f6 4d 8b 26 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 ea da bc f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0000:ffffc90007547600 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffff888033fb0000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900075476e8 R08: ffffffff8f870583 R09: 1ffffffff1f0e0b0
R10: dffffc0000000000 R11: fffffbfff1f0e0b1 R12: 0000000000000000
R13: 1ffff1102445758c R14: ffff8881222bac60 R15: dffffc0000000000
FS:  00007fe6085f66c0(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561cc0050a20 CR3: 000000000df38000 CR4: 00000000000006f0
