BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 4509 Comm: kworker/u8:6 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: events_unbound nsim_dev_trap_report_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 swake_up_one+0x2c/0x13c kernel/sched/swait.c:52 __rcu_report_exp_rnp+0x5e4/0x798 kernel/rcu/tree_exp.h:210 rcu_report_exp_cpu_mult+0x134/0x4d0 kernel/rcu/tree_exp.h:261 rcu_report_exp_rdp kernel/rcu/tree_exp.h:275 [inline] rcu_preempt_deferred_qs_irqrestore+0x198/0xda8 kernel/rcu/tree_plugin.h:521 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:621 [inline] rcu_note_context_switch+0x258/0x1064 kernel/rcu/tree_plugin.h:356 __schedule+0x324/0x2864 kernel/sched/core.c:6846 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x74/0x78 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:838 [inline] nsim_dev_trap_report_work+0x914/0x9fc drivers/net/netdevsim/dev.c:866 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844