Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 1 PID: 29 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Modules linked in:
CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Code: 90 55 53 89 fb e8 b7 02 da 02 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 a9 2b da 8c 89 de e8 98 d9 e6 ff 90 <0f> 0b 90 90 5b 5d e9 8c 54 28 09 cc 48 c7 c7 a6 6d eb 8c e8 7f 21
RSP: 0018:ffffc90000a3f260 EFLAGS: 00010046
RAX: 3b70780e8b3d3600 RBX: 00000000ffffffff RCX: ffff88801bed1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000100
R10: dffffc0000000000 R11: ffffed101712487b R12: ffffffff9555b2b8
R13: ffffffff9555b328 R14: ffff88801bed2aa0 R15: 0000000000000021
FS:  0000000000000000(0000) GS:ffff888126ef4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000002c0 CR3: 0000000032870000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:-1 [inline]
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain+0x1a4b/0x2140 kernel/locking/lockdep.c:3908
 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
 remove_entity_load_avg kernel/sched/fair.c:4788 [inline]
 migrate_task_rq_fair+0xab/0x610 kernel/sched/fair.c:8645
 set_task_cpu+0x337/0x990 kernel/sched/core.c:3330
 try_to_wake_up+0x5c9/0x12b0 kernel/sched/core.c:4290
 kick_pool+0x47d/0x640 kernel/workqueue.c:1285
 __queue_work+0xd70/0x1010 kernel/workqueue.c:2342
 queue_work_on+0x181/0x270 kernel/workqueue.c:2392
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x648/0x970 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404
 handle_softirqs+0x22f/0x710 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 run_ktimerd+0xcf/0x190 kernel/softirq.c:1138
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>