Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1e8/0x480 lib/klist.c:249
Code: 3c 06 00 74 08 4c 89 ff e8 45 9d 47 f6 4d 8b 27 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 1d 9d 47 f6 4d 8b 6c 24 58 4c 89 e7 e8 50 4e
RSP: 0018:ffffc9000d4b7900 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff90005fe8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc9000d4b79f0 R08: ffffffff90005f83 R09: 1ffffffff2000bf0
R10: dffffc0000000000 R11: fffffbfff2000bf1 R12: 0000000000000000
R13: ffffffff90005fe0 R14: 1ffff11007d9688c R15: ffff88803ecb4460
FS:  00007fc119c146c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056093744f1b8 CR3: 0000000043d20000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_move+0x1b4/0x710 drivers/base/core.c:4636
 hci_conn_del_sysfs+0xac/0x160 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:174 [inline]
 hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1164
 hci_conn_hash_flush+0x258/0x350 net/bluetooth/hci_conn.c:2699
 hci_dev_close_sync+0xa42/0x11c0 net/bluetooth/hci_sync.c:5212
 hci_dev_do_close net/bluetooth/hci_core.c:482 [inline]
 hci_dev_close+0x112/0x210 net/bluetooth/hci_core.c:507
 sock_do_ioctl+0x158/0x460 net/socket.c:1209
 sock_ioctl+0x626/0x8e0 net/socket.c:1328
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc118d85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc119c14038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc118f75fa0 RCX: 00007fc118d85d29
RDX: 0000000000000000 RSI: 00000000400448ca RDI: 0000000000000007
RBP: 00007fc118e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc118f75fa0 R15: 00007ffcd3250f28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1e8/0x480 lib/klist.c:249
Code: 3c 06 00 74 08 4c 89 ff e8 45 9d 47 f6 4d 8b 27 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 1d 9d 47 f6 4d 8b 6c 24 58 4c 89 e7 e8 50 4e
RSP: 0018:ffffc9000d4b7900 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff90005fe8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc9000d4b79f0 R08: ffffffff90005f83 R09: 1ffffffff2000bf0
R10: dffffc0000000000 R11: fffffbfff2000bf1 R12: 0000000000000000
R13: ffffffff90005fe0 R14: 1ffff11007d9688c R15: ffff88803ecb4460
FS:  00007fc119c146c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc119bf2fe0 CR3: 0000000043d20000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	3c 06                	cmp    $0x6,%al
   2:	00 74 08 4c          	add    %dh,0x4c(%rax,%rcx,1)
   6:	89 ff                	mov    %edi,%edi
   8:	e8 45 9d 47 f6       	call   0xf6479d52
   d:	4d 8b 27             	mov    (%r15),%r12
  10:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  14:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  19:	48 89 f8             	mov    %rdi,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 05                	je     0x35
  30:	e8 1d 9d 47 f6       	call   0xf6479d52
  35:	4d 8b 6c 24 58       	mov    0x58(%r12),%r13
  3a:	4c 89 e7             	mov    %r12,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	50                   	push   %rax
  3f:	4e                   	rex.WRX