Unable to handle kernel paging request at virtual address dfff80000000000b
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff80000000000b] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4880 Comm: syz.2.132 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 02400005 (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/0x2f8 lib/klist.c:249
lr : spin_unlock include/linux/spinlock.h:391 [inline]
lr : klist_remove+0x108/0x2f8 lib/klist.c:247
sp : ffff800020f17480
x29: ffff800020f17520 x28: ffff0000f1005340 x27: 1fffe0001bc498d8
x26: dfff800000000000 x25: ffff0000cd1cd340 x24: dfff800000000000
x23: ffff7000041e2e90 x22: ffff8000179e7b80 x21: 1fffe0001a90420c
x20: 0000000000000000 x19: ffff0000d4821060 x18: ffff800011a5bd40
x17: ffff800018184000 x16: ffff8000082e9244 x15: ffff800017c65000
x14: ffff0000cd1cddd8 x13: ffff0000cd1cde50 x12: 0000000000000001
x11: 1ffff00002f3cf74 x10: 0000000000000001 x9 : dfff800000000000
x8 : 000000000000000b x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000184549b8 x4 : 0000000000000008 x3 : ffff8000082e9358
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000058
Call trace:
 klist_put lib/klist.c:212 [inline]
 klist_del lib/klist.c:230 [inline]
 klist_remove+0x12c/0x2f8 lib/klist.c:249
 device_move+0x16c/0x5b0 drivers/base/core.c:4633
 hci_conn_del_sysfs+0x9c/0x150 net/bluetooth/hci_sysfs.c:73
 hci_conn_cleanup+0x4e0/0x698 net/bluetooth/hci_conn.c:172
 hci_conn_del+0x3cc/0x5a8 net/bluetooth/hci_conn.c:1152
 hci_conn_hash_flush+0x1d8/0x270 net/bluetooth/hci_conn.c:2511
 hci_dev_close_sync+0x7d8/0xf18 net/bluetooth/hci_sync.c:5246
 hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
 hci_unregister_dev+0x1f8/0x4b4 net/bluetooth/hci_core.c:2705
 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:573
 __fput+0x1bc/0x7c0 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x1ec/0x270 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x54c/0x19a8 kernel/exit.c:880
 do_group_exit+0x194/0x22c kernel/exit.c:1022
 get_signal+0x11d0/0x1310 kernel/signal.c:2871
 do_signal arch/arm64/kernel/signal.c:1081 [inline]
 do_notify_resume+0x34c/0x2b28 arch/arm64/kernel/signal.c:1134
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 asm_exit_to_user_mode+0x6c/0x80 arch/arm64/kernel/entry-common.c:149
 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:850
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