BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 4035 Comm: kworker/u5:4 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: hci1 hci_rx_work Call trace: dump_backtrace+0x0/0x43c 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+0xf8/0x160 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:3735 [inline] validate_chain kernel/locking/lockdep.c:3756 [inline] __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623 do_write_seqcount_begin_nested include/linux/seqlock.h:519 [inline] do_write_seqcount_begin include/linux/seqlock.h:545 [inline] psi_group_change+0x24c/0x1210 kernel/sched/psi.c:710 psi_task_change+0x1d4/0x2e0 kernel/sched/psi.c:826 psi_enqueue kernel/sched/stats.h:102 [inline] enqueue_task kernel/sched/core.c:1973 [inline] activate_task+0x224/0x244 kernel/sched/core.c:2005 ttwu_do_activate+0x150/0x234 kernel/sched/core.c:3614 ttwu_queue kernel/sched/core.c:3823 [inline] try_to_wake_up+0x384/0xa64 kernel/sched/core.c:4146 wake_up_process+0x18/0x24 kernel/sched/core.c:4215 wake_up_worker kernel/workqueue.c:859 [inline] insert_work+0x2b4/0x388 kernel/workqueue.c:1381 __queue_work+0xb30/0x1054 kernel/workqueue.c:1532 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559 queue_work include/linux/workqueue.h:512 [inline] hci_send_cmd+0xa8/0x174 net/bluetooth/hci_core.c:4283 hci_conn_complete_evt+0x744/0x1094 net/bluetooth/hci_event.c:2761 hci_event_packet+0xa04/0x11bc net/bluetooth/hci_event.c:6391 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