Oops: general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f]
CPU: 1 UID: 0 PID: 16674 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x159/0x340 lib/klist.c:249
Code: 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 dd 19 0a f7 4d 8b 26 49 83 e4 fe 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 bb 19 0a f7 49 8b 84 24 98 00 00 00 48 89
RSP: 0018:ffffc900050af880 EFLAGS: 00010202
RAX: 0000000000000013 RBX: ffff88801df00000 RCX: 0000000000000046
RDX: 0000000000000003 RSI: ffffffff8d8bc1ac RDI: 0000000000000098
RBP: ffffc900050af980 R08: ffffffff8f8c6ff7 R09: 1ffffffff1f18dfe
R10: dffffc0000000000 R11: fffffbfff1f18dff R12: 0000000000000000
R13: 1ffff1100ac01914 R14: ffff88805600c8a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125fd3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573c3a4e8 CR3: 0000000069fde000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 device_move+0x194/0x720 drivers/base/core.c:4698
 hci_conn_del_sysfs+0xb8/0x1a0 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:170 [inline]
 hci_conn_del+0xc3d/0x1200 net/bluetooth/hci_conn.c:1306
 hci_conn_hash_flush+0x189/0x260 net/bluetooth/hci_conn.c:2734
 hci_dev_close_sync+0x7fc/0x10a0 net/bluetooth/hci_sync.c:5405
 hci_dev_do_close net/bluetooth/hci_core.c:499 [inline]
 hci_unregister_dev+0x232/0x5b0 net/bluetooth/hci_core.c:2678
 vhci_release+0x170/0x1c0 drivers/bluetooth/hci_vhci.c:700
 __fput+0x42a/0xa80 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:1004
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 __do_sys_exit_group kernel/exit.c:1158 [inline]
 __se_sys_exit_group kernel/exit.c:1156 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1156
 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f089ab3ce59
Code: Unable to access opcode bytes at 0x7f089ab3ce2f.
RSP: 002b:00007fffd38595b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f089abd22ef RCX: 00007f089ab3ce59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000075 R08: 0000000000000000 R09: 00007f089abd22ca
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd385a870
R13: 00007f089abd22ca R14: 000000000015ec27 R15: 00007fffd385ca30
 </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+0x159/0x340 lib/klist.c:249
Code: 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 dd 19 0a f7 4d 8b 26 49 83 e4 fe 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 bb 19 0a f7 49 8b 84 24 98 00 00 00 48 89
RSP: 0018:ffffc900050af880 EFLAGS: 00010202
RAX: 0000000000000013 RBX: ffff88801df00000 RCX: 0000000000000046
RDX: 0000000000000003 RSI: ffffffff8d8bc1ac RDI: 0000000000000098
RBP: ffffc900050af980 R08: ffffffff8f8c6ff7 R09: 1ffffffff1f18dfe
R10: dffffc0000000000 R11: fffffbfff1f18dff R12: 0000000000000000
R13: 1ffff1100ac01914 R14: ffff88805600c8a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125fd3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573c3a4e8 CR3: 0000000069fde000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	49 c1 ed 03          	shr    $0x3,%r13
   4:	43 80 7c 3d 00 00    	cmpb   $0x0,0x0(%r13,%r15,1)
   a:	74 08                	je     0x14
   c:	4c 89 f7             	mov    %r14,%rdi
   f:	e8 dd 19 0a f7       	call   0xf70a19f1
  14:	4d 8b 26             	mov    (%r14),%r12
  17:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1b:	49 8d bc 24 98 00 00 	lea    0x98(%r12),%rdi
  22:	00
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 05                	je     0x36
  31:	e8 bb 19 0a f7       	call   0xf70a19f1
  36:	49 8b 84 24 98 00 00 	mov    0x98(%r12),%rax
  3d:	00
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89