general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 PID: 4258 Comm: syz-executor Tainted: G        W          6.1.122-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1e2/0x460 lib/klist.c:249
Code: 80 3c 04 00 74 08 4c 89 ff e8 9a f5 3a f7 4d 8b 2f 49 83 e5 fe 49 8d 7d 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 73 f5 3a f7 4d 8b 75 58 4c 89 ef e8 87 90 15
RSP: 0018:ffffc90003db7880 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff8e83bcc8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90003db7978 R08: dffffc0000000000 R09: fffffbfff1d0778d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004e48c0c
R13: 0000000000000000 R14: ffff88802f3bbb80 R15: ffff888027246060
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d6fbff8 CR3: 0000000024442000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_move+0x1b0/0x700 drivers/base/core.c:4632
 hci_conn_del_sysfs+0xa8/0x150 net/bluetooth/hci_sysfs.c:73
 hci_conn_cleanup+0x5a0/0x740 net/bluetooth/hci_conn.c:172
 hci_conn_del+0x417/0x6c0 net/bluetooth/hci_conn.c:1151
 hci_conn_hash_flush+0x205/0x2a0 net/bluetooth/hci_conn.c:2510
 hci_dev_close_sync+0x9a9/0xfc0 net/bluetooth/hci_sync.c:5177
 hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
 hci_unregister_dev+0x207/0x500 net/bluetooth/hci_core.c:2707
 vhci_release+0x7f/0xd0 drivers/bluetooth/hci_vhci.c:573
 __fput+0x3f6/0x8d0 fs/file_table.c:320
 task_work_run+0x246/0x300 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa6e/0x26a0 kernel/exit.c:871
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f84f8185d29
Code: Unable to access opcode bytes at 0x7f84f8185cff.
RSP: 002b:00007ffcfd5c0128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f84f8201966 RCX: 00007f84f8185d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 00007ffcfd5bdec6 R09: 00007ffcfd5c13e0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcfd5c13e0
R13: 00007f84f82018f4 R14: 000055558d14f4a8 R15: 0000000000000002
 </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+0x1e2/0x460 lib/klist.c:249
Code: 80 3c 04 00 74 08 4c 89 ff e8 9a f5 3a f7 4d 8b 2f 49 83 e5 fe 49 8d 7d 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 73 f5 3a f7 4d 8b 75 58 4c 89 ef e8 87 90 15
RSP: 0018:ffffc90003db7880 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff8e83bcc8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc90003db7978 R08: dffffc0000000000 R09: fffffbfff1d0778d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004e48c0c
R13: 0000000000000000 R14: ffff88802f3bbb80 R15: ffff888027246060
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f36b6dfa0 CR3: 0000000059734000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	80 3c 04 00          	cmpb   $0x0,(%rsp,%rax,1)
   4:	74 08                	je     0xe
   6:	4c 89 ff             	mov    %r15,%rdi
   9:	e8 9a f5 3a f7       	call   0xf73af5a8
   e:	4d 8b 2f             	mov    (%r15),%r13
  11:	49 83 e5 fe          	and    $0xfffffffffffffffe,%r13
  15:	49 8d 7d 58          	lea    0x58(%r13),%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 73 f5 3a f7       	call   0xf73af5a8
  35:	4d 8b 75 58          	mov    0x58(%r13),%r14
  39:	4c 89 ef             	mov    %r13,%rdi
  3c:	e8                   	.byte 0xe8
  3d:	87                   	.byte 0x87
  3e:	90                   	nop
  3f:	15                   	.byte 0x15