general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 1 PID: 5743 Comm: syz.6.351 Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1ae/0x390 lib/klist.c:249
Code: 08 4c 89 fb 48 c1 eb 03 42 80 3c 33 00 74 08 4c 89 ff e8 15 8d 93 fd 4d 8b 27 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 f6 8c 93 fd 49 8b 44 24 58 48 89 44 24 10
RSP: 0018:ffffc900044df600 EFLAGS: 00010202
RAX: 000000000000000b RBX: 1ffff1100c41b90c RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900044df6e8 R08: dffffc0000000000 R09: fffffbfff1a28b01
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888028e48000 R14: dffffc0000000000 R15: ffff8880620dc860
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc500590000 CR3: 000000002b398000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_move+0x1b0/0x700 drivers/base/core.c:4338
 hci_conn_del_sysfs+0xa8/0x150 net/bluetooth/hci_sysfs.c:73
 hci_conn_cleanup+0x4d2/0x670 net/bluetooth/hci_conn.c:140
 hci_conn_del+0x2b8/0x3d0 net/bluetooth/hci_conn.c:678
 hci_conn_hash_flush+0x194/0x220 net/bluetooth/hci_conn.c:1623
 hci_dev_do_close+0x9f6/0x1070 net/bluetooth/hci_core.c:1795
 hci_unregister_dev+0x2d7/0x580 net/bluetooth/hci_core.c:4040
 vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:345
 __fput+0x3fe/0x8e0 fs/file_table.c:280
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 get_signal+0xc66/0x14e0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
 exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f3d8eeb4717
Code: Unable to access opcode bytes at RIP 0x7f3d8eeb46ed.
RSP: 002b:00007f3d8ce3d060 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f3d8eff2d29
RDX: 00007f3d8ce3d080 RSI: 00007f3d8ce3d1b0 RDI: 000000000000000b
RBP: 00007f3d8f0742a0 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3d8f20bfa0 R15: 00007ffe7a542b28
 </TASK>
Modules linked in:
---[ end trace e2170f7c2bb4b49a ]---
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1ae/0x390 lib/klist.c:249
Code: 08 4c 89 fb 48 c1 eb 03 42 80 3c 33 00 74 08 4c 89 ff e8 15 8d 93 fd 4d 8b 27 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 f6 8c 93 fd 49 8b 44 24 58 48 89 44 24 10
RSP: 0018:ffffc900044df600 EFLAGS: 00010202
RAX: 000000000000000b RBX: 1ffff1100c41b90c RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900044df6e8 R08: dffffc0000000000 R09: fffffbfff1a28b01
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888028e48000 R14: dffffc0000000000 R15: ffff8880620dc860
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc500590000 CR3: 000000002b468000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	08 4c 89 fb          	or     %cl,-0x5(%rcx,%rcx,4)
   4:	48 c1 eb 03          	shr    $0x3,%rbx
   8:	42 80 3c 33 00       	cmpb   $0x0,(%rbx,%r14,1)
   d:	74 08                	je     0x17
   f:	4c 89 ff             	mov    %r15,%rdi
  12:	e8 15 8d 93 fd       	call   0xfd938d2c
  17:	4d 8b 27             	mov    (%r15),%r12
  1a:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1e:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1) <-- trapping instruction
  2f:	74 05                	je     0x36
  31:	e8 f6 8c 93 fd       	call   0xfd938d2c
  36:	49 8b 44 24 58       	mov    0x58(%r12),%rax
  3b:	48 89 44 24 10       	mov    %rax,0x10(%rsp)