ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory.
Bluetooth: hci0: failed to register connection device
Unable to handle kernel paging request at virtual address dfff800000000024
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
[dfff800000000024] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4029 Comm: kworker/u5:2 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: hci0 hci_rx_work
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0xe0/0x651c kernel/locking/lockdep.c:4882
lr : lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
sp : ffff80001f0c7040
x29: ffff80001f0c7250 x28: dfff800000000000 x27: 0000000000000000
x26: ffff800010559cd0 x25: 1ffff0000282c06a x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000120 x19: 0000000000000000 x18: 1fffe0003421d38e
x17: ffff800016cf0000 x16: ffff8000111a97c4 x15: ffff8000167d04c0
x14: ffff0000c1da4080 x13: ffff0000c1da4170 x12: 0000000000ff0100
x11: 0000000000000000 x10: ffff700003e18e28 x9 : ffff800014160354
x8 : 0000000000000024 x7 : ffff800010559cd0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000120
Call trace:
 __lock_acquire+0xe0/0x651c kernel/locking/lockdep.c:4882
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 lock_sock_nested+0xd8/0x1d4 net/core/sock.c:3251
 lock_sock include/net/sock.h:1694 [inline]
 l2cap_sock_ready_cb+0x4c/0x130 net/bluetooth/l2cap_sock.c:1649
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1386 [inline]
 l2cap_le_start+0x56c/0x131c net/bluetooth/l2cap_core.c:1498
 l2cap_conn_ready net/bluetooth/l2cap_core.c:1768 [inline]
 l2cap_connect_cfm+0x578/0xd64 net/bluetooth/l2cap_core.c:8296
 hci_connect_cfm include/net/bluetooth/hci_core.h:1505 [inline]
 le_conn_complete_evt+0xa7c/0x11bc net/bluetooth/hci_event.c:5429
 hci_le_conn_complete_evt net/bluetooth/hci_event.c:5454 [inline]
 hci_le_meta_evt+0x85c/0x3010 net/bluetooth/hci_event.c:6176
 hci_event_packet+0xd10/0x11bc net/bluetooth/hci_event.c:6525
 hci_rx_work+0x1cc/0x880 net/bluetooth/hci_core.c:5160
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: d005f9e8 b94ee108 340001c8 d343fe88 (387c6908) 
---[ end trace 79e6b4a481f54b9b ]---
----------------
Code disassembly (best guess):
   0:	d005f9e8 	adrp	x8, 0xbf3e000
   4:	b94ee108 	ldr	w8, [x8, #3808]
   8:	340001c8 	cbz	w8, 0x40
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction