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: 7437 Comm: syz-executor Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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 : ffff8000a0ac7680
x29: ffff8000a0ac7710 x28: 1ffff000125976c4 x27: 1fffe00019c2a0e1
x26: dfff800000000000 x25: ffff0000c5ae9e80 x24: dfff800000000000
x23: ffff700014158ed0 x22: ffff800092ebb540 x21: 1fffe0001e498c0c
x20: 0000000000000000 x19: ffff0000f24c6060 x18: 00000000ffffffff
x17: ffff800093605000 x16: ffff8000805381bc x15: 0000000000000001
x14: 1ffff000125d76ac x13: 0000000000000000 x12: 0000000000000000
x11: ffff7000125d76ad x10: 0000000000000001 x9 : dfff800000000000
x8 : 000000000000000b x7 : ffff80008afe7c10 x6 : 0000000000000000
x5 : ffff800093956f70 x4 : 0000000000000008 x3 : ffff8000805382c4
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/0x5b0 drivers/base/core.c:4615
 hci_conn_del_sysfs+0xb4/0x170 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:173 [inline]
 hci_conn_del+0xa40/0xf3c net/bluetooth/hci_conn.c:1211
 hci_conn_hash_flush+0x17c/0x218 net/bluetooth/hci_conn.c:2600
 hci_dev_close_sync+0x89c/0x1154 net/bluetooth/hci_sync.c:5294
 hci_dev_do_close net/bluetooth/hci_core.c:501 [inline]
 hci_unregister_dev+0x204/0x4c0 net/bluetooth/hci_core.c:2715
 vhci_release+0x12c/0x17c drivers/bluetooth/hci_vhci.c:690
 __fput+0x340/0x75c fs/file_table.c:468
 ____fput+0x20/0x58 fs/file_table.c:496
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x524/0x1a14 kernel/exit.c:961
 do_group_exit+0x194/0x22c kernel/exit.c:1102
 __do_sys_exit_group kernel/exit.c:1113 [inline]
 __se_sys_exit_group kernel/exit.c:1111 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1111
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
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