Unable to handle kernel paging request at virtual address dfff80000000000b
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000000b] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6582 Comm: kworker/u9:5 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: hci4 hci_error_reset
pstate: 03400005 (nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : klist_put lib/klist.c:212 [inline]
pc : klist_del lib/klist.c:230 [inline]
pc : klist_remove+0x12c/0x334 lib/klist.c:249
lr : spin_unlock include/linux/spinlock.h:391 [inline]
lr : klist_remove+0x108/0x334 lib/klist.c:247
sp : ffff80009f277760
x29: ffff80009f2777f0 x28: 1ffff00012589f68 x27: 1fffe0001ae654e2
x26: dfff800000000000 x25: ffff0000dd82d580 x24: dfff800000000000
x23: ffff700013e4eeec x22: ffff800092e50580 x21: 1fffe0001effb78c
x20: 0000000000000000 x19: ffff0000f7fdbc60 x18: 00000000ffffffff
x17: ffff800093599000 x16: ffff800080544d7c x15: 0000000000000001
x14: 1ffff000125ca0b4 x13: 0000000000000000 x12: 0000000000000000
x11: ffff7000125ca0b5 x10: 0000000000000001 x9 : dfff800000000000
x8 : 000000000000000b x7 : ffff80008af21acc x6 : 0000000000000000
x5 : ffff80009393eb70 x4 : 0000000000000008 x3 : ffff800080544e84
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000058
Call trace:
 klist_put lib/klist.c:212 [inline] (P)
 klist_del lib/klist.c:230 [inline] (P)
 klist_remove+0x12c/0x334 lib/klist.c:249 (P)
 device_move+0x16c/0x5d8 drivers/base/core.c:4615
 hci_conn_del_sysfs+0xb4/0x198 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:173 [inline]
 hci_conn_del+0xa40/0xfb0 net/bluetooth/hci_conn.c:1234
 hci_conn_hash_flush+0x17c/0x23c net/bluetooth/hci_conn.c:2638
 hci_dev_close_sync+0x65c/0xfd0 net/bluetooth/hci_sync.c:5326
 hci_dev_do_close net/bluetooth/hci_core.c:501 [inline]
 hci_error_reset+0xfc/0x40c net/bluetooth/hci_core.c:1034
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: f9400268 927ff914 91016280 d343fc08 (38786908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f9400268 	ldr	x8, [x19]
   4:	927ff914 	and	x20, x8, #0xfffffffffffffffe
   8:	91016280 	add	x0, x20, #0x58
   c:	d343fc08 	lsr	x8, x0, #3
* 10:	38786908 	ldrb	w8, [x8, x24] <-- trapping instruction