Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 0 PID: 1497 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Modules linked in:
CPU: 0 UID: 0 PID: 1497 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Code: 90 55 53 89 fb e8 97 d6 d9 02 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 0e 18 da 8c 89 de e8 98 d9 e6 ff 90 <0f> 0b 90 90 5b 5d e9 8c 04 28 09 cc 48 c7 c7 b9 58 eb 8c e8 7f 11
RSP: 0018:ffffc900052ef290 EFLAGS: 00010046
RAX: d1321716fb654f00 RBX: 00000000ffffffff RCX: ffff888026fa9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101710487b R12: ffffffff95550e58
R13: ffffffff95550ec8 R14: ffff888026faaa28 R15: 0000000000000031
FS:  0000000000000000(0000) GS:ffff888126df7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 00000000380aa000 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_nested+0x32/0x50 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:638
 raw_spin_rq_lock kernel/sched/sched.h:1547 [inline]
 task_rq_lock+0xbc/0x470 kernel/sched/core.c:738
 __set_cpus_allowed_ptr kernel/sched/core.c:3147 [inline]
 ___migrate_enable+0xae/0x1e0 kernel/sched/core.c:2394
 __migrate_enable include/linux/sched.h:2368 [inline]
 migrate_enable include/linux/sched.h:2417 [inline]
 __local_bh_enable+0x2f8/0x410 kernel/softirq.c:250
 __local_bh_enable_ip+0x1b3/0x2e0 kernel/softirq.c:305
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:819 [inline]
 batadv_iv_ogm_schedule+0x28e/0xf00 net/batman-adv/bat_iv_ogm.c:873
 batadv_iv_send_outstanding_bat_ogm_packet+0x6c6/0x7e0 net/batman-adv/bat_iv_ogm.c:1709
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 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>