BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 4592 Comm: kworker/u5:8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
Workqueue: hci75 hci_rx_work
Call trace:
 dump_backtrace+0x0/0x458 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3802 [inline]
 validate_chain kernel/locking/lockdep.c:3823 [inline]
 __lock_acquire+0x1f64/0x71fc kernel/locking/lockdep.c:5120
 lock_acquire+0x1f8/0x61c kernel/locking/lockdep.c:5737
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xc4/0x148 kernel/locking/spinlock.c:162
 __wake_up_common_lock kernel/sched/wait.c:137 [inline]
 __wake_up+0xe4/0x178 kernel/sched/wait.c:157
 hci_req_sync_complete+0x148/0x25c net/bluetooth/hci_request.c:115
 hci_event_packet+0xda0/0x115c net/bluetooth/hci_event.c:6610
 hci_rx_work+0x16c/0x7fc net/bluetooth/hci_core.c:5190
 process_one_work+0x7a4/0x1178 kernel/workqueue.c:2310
 worker_thread+0x8fc/0x103c kernel/workqueue.c:2457
 kthread+0x37c/0x460 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856