Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 UID: 0 PID: 5835 Comm: kworker/u11:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: hci2 hci_cmd_sync_work
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 49 c7 d5 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 2a c7 d5 f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0018:ffffc90004b47680 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffff888112fb57c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90004b47780 R08: ffffffff8f68cfc3 R09: 1ffffffff1ed19f8
R10: dffffc0000000000 R11: fffffbfff1ed19f9 R12: 0000000000000000
R13: 1ffff11021e0168c R14: ffff88810f00b460 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba08f00440 CR3: 00000001206ce000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 device_move+0x193/0x730
 hci_conn_del_sysfs+0xb8/0x1a0
 hci_conn_del+0xc36/0x1240
 hci_abort_conn_sync+0x658/0xe30
 hci_cmd_sync_work+0x213/0x400
 process_scheduled_works+0xad1/0x1770
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x599/0xb30
 ret_from_fork_asm+0x1a/0x30
 </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 49 c7 d5 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 2a c7 d5 f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0018:ffffc90004b47680 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffff888112fb57c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90004b47780 R08: ffffffff8f68cfc3 R09: 1ffffffff1ed19f8
R10: dffffc0000000000 R11: fffffbfff1ed19f9 R12: 0000000000000000
R13: 1ffff11021e0168c R14: ffff88810f00b460 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba08f00440 CR3: 0000000174f54000 CR4: 00000000000006f0
