BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 47 Comm: kworker/u5:0 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: hci48 hci_rx_work
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
 _raw_read_lock_irqsave+0x7c/0xc4 kernel/locking/spinlock.c:236
 ep_poll_callback+0xcc/0x9b4 fs/eventpoll.c:1182
 __wake_up_common+0x23c/0x3bc kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x114/0x1ac kernel/sched/wait.c:208
 sock_def_readable+0x150/0x278 net/core/sock.c:3308
 __netlink_sendskb net/netlink/af_netlink.c:1258 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1388 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1466 [inline]
 netlink_broadcast+0x9e8/0xff4 net/netlink/af_netlink.c:1506
 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline]
 kobject_uevent_net_broadcast+0x328/0x528 lib/kobject_uevent.c:409
 kobject_uevent_env+0x530/0x874 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:657
 device_add+0xa14/0xef4 drivers/base/core.c:3677
 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:46
 hci_conn_complete_evt+0x7f8/0x11cc net/bluetooth/hci_event.c:3229
 hci_event_func net/bluetooth/hci_event.c:7373 [inline]
 hci_event_packet+0x744/0x109c net/bluetooth/hci_event.c:7425
 hci_rx_work+0x310/0xa84 net/bluetooth/hci_core.c:4086
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Bluetooth: hci47: command 0x041b tx timeout
Bluetooth: hci21: command 0x0406 tx timeout
Bluetooth: hci22: command 0x0406 tx timeout
Bluetooth: hci47: command 0x0419 tx timeout
Bluetooth: hci48: command 0x0419 tx timeout
Bluetooth: hci50: unexpected cc 0x0c03 length: 249 > 1
Bluetooth: hci50: unexpected cc 0x1003 length: 249 > 9
Bluetooth: hci50: unexpected cc 0x1001 length: 249 > 9
Bluetooth: hci50: unexpected cc 0x0c23 length: 249 > 4
Bluetooth: hci50: unexpected cc 0x0c25 length: 249 > 3
Bluetooth: hci50: unexpected cc 0x0c38 length: 249 > 2
Bluetooth: hci49: command 0x040f tx timeout
Bluetooth: hci49: command 0x0419 tx timeout