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: 12045 Comm: syz.2.1615 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1ea/0x480 lib/klist.c:249
Code: 3c 06 00 74 08 4c 89 ff e8 63 0f 12 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 3b 0f 12 f6 4d 8b 6c 24 58 4c 89 e7 e8 1e 3f
RSP: 0018:ffffc90003fc7600 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff9044db48 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90003fc76e8 R08: ffffffff9044dae3 R09: 1ffffffff2089b5c
R10: dffffc0000000000 R11: fffffbfff2089b5d R12: 0000000000000000
R13: ffffffff9044db40 R14: 1ffff1100b15890c R15: ffff888058ac4860
FS:  0000000000000000(0000) GS:ffff8881250ea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37658f CR3: 000000002f8d0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_move+0x1b4/0x710 drivers/base/core.c:4592
 hci_conn_del_sysfs+0xb5/0x170 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:175 [inline]
 hci_conn_del+0x8d5/0xc50 net/bluetooth/hci_conn.c:1167
 hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2702
 hci_dev_close_sync+0xa8d/0x1260 net/bluetooth/hci_sync.c:5225
 hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
 hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2678
 vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:665
 __fput+0x3e9/0x9f0 fs/file_table.c:465
 task_work_run+0x251/0x310 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa2a/0x2940 kernel/exit.c:954
 do_group_exit+0x207/0x2c0 kernel/exit.c:1103
 get_signal+0x1696/0x1730 kernel/signal.c:3035
 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0033:0x7f31d6a6d27a
Code: Unable to access opcode bytes at 0x7f31d6a6d250.
RSP: 002b:00007fff130e8b50 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 00007f31d78d5720 RCX: ffffffff82129dc8
RDX: 0000000000001dc8 RSI: ffffffff82129dc8 RDI: 0000000000000001
RBP: ffffffff82129dc8 R08: 00007f31d6d90000 R09: 00007f31d6d92000
R10: 0000000082129dcc R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff82129410 R15: 00000000000293bb
 </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+0x1ea/0x480 lib/klist.c:249
Code: 3c 06 00 74 08 4c 89 ff e8 63 0f 12 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 3b 0f 12 f6 4d 8b 6c 24 58 4c 89 e7 e8 1e 3f
RSP: 0018:ffffc90003fc7600 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff9044db48 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90003fc76e8 R08: ffffffff9044dae3 R09: 1ffffffff2089b5c
R10: dffffc0000000000 R11: fffffbfff2089b5d R12: 0000000000000000
R13: ffffffff9044db40 R14: 1ffff1100b15890c R15: ffff888058ac4860
FS:  0000000000000000(0000) GS:ffff8881250ea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37658f CR3: 0000000035294000 CR4: 00000000003526f0
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 63 0f 12 f6       	call   0xf6120f70
   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 3b 0f 12 f6       	call   0xf6120f70
  35:	4d 8b 6c 24 58       	mov    0x58(%r12),%r13
  3a:	4c 89 e7             	mov    %r12,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	1e                   	(bad)
  3f:	3f                   	(bad)