BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 5104 Comm: kworker/1:10 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: rcu_gp process_srcu
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __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:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 rcu_report_exp_cpu_mult+0x38/0x4a0 kernel/rcu/tree_exp.h:238
 rcu_report_exp_rdp kernel/rcu/tree_exp.h:260 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x158/0xd3c kernel/rcu/tree_plugin.h:506
 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:607 [inline]
 rcu_note_context_switch+0x25c/0x105c kernel/rcu/tree_plugin.h:344
 __schedule+0x2a4/0x1b0c kernel/sched/core.c:6461
 preempt_schedule_notrace+0xc4/0x164 kernel/sched/core.c:6824
 class_preempt_notrace_destructor include/linux/preempt.h:479 [inline]
 __delay_cycles+0x1e0/0x21c arch/arm64/lib/delay.c:39
 __delay+0x144/0x1c4 arch/arm64/lib/delay.c:63
 __const_udelay arch/arm64/lib/delay.c:70 [inline]
 __udelay+0x60/0x70 arch/arm64/lib/delay.c:76
 try_check_zero+0x388/0x3b8 kernel/rcu/srcutree.c:975
 srcu_advance_state kernel/rcu/srcutree.c:1549 [inline]
 process_srcu+0x16c/0xffc kernel/rcu/srcutree.c:1651
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850