Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 0 PID: 6551 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Modules linked in:
CPU: 0 UID: 0 PID: 6551 Comm: syz.0.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059
Code: 90 55 53 89 fb e8 07 64 18 03 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 70 e0 04 8d 89 de e8 18 fe e6 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc cc 48 c7 c7 ce 87 16 8d e8 8f 0f
RSP: 0018:ffffc9000532e3a8 EFLAGS: 00010046
RAX: 9c5fbd1b93a76f00 RBX: 00000000ffffffff RCX: ffff88805329d940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104863 R12: ffffffff95a58558
R13: ffffffff95a585c8 R14: ffff88805329e528 R15: 0000000000000039
FS:  0000555571072500(0000) GS:ffff8881268bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000003c2a6000 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:636
 raw_spin_rq_lock kernel/sched/sched.h:1519 [inline]
 __task_rq_lock+0xc1/0x470 kernel/sched/core.c:712
 rt_mutex_setprio+0xc8/0xc70 kernel/sched/core.c:7376
 rt_mutex_adjust_prio kernel/locking/rtmutex.c:539 [inline]
 mark_wakeup_next_waiter kernel/locking/rtmutex.c:1331 [inline]
 rt_mutex_slowunlock+0x4a7/0x8a0 kernel/locking/rtmutex.c:1466
 spin_unlock include/linux/spinlock_rt.h:105 [inline]
 __local_bh_enable+0x23a/0x3d0 kernel/softirq.c:214
 __local_bh_enable_ip+0x1a4/0x270 kernel/softirq.c:262
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 spin_unlock_bh include/linux/spinlock_rt.h:111 [inline]
 netif_addr_unlock_bh include/linux/netdevice.h:4823 [inline]
 __dev_mc_add+0xe8/0x140 net/core/dev_addr_lists.c:873
 igmp6_group_added+0x225/0x800 net/ipv6/mcast.c:686
 __ipv6_dev_mc_inc+0x897/0xa50 net/ipv6/mcast.c:977
 ipv6_add_dev+0xea1/0x13c0 net/ipv6/addrconf.c:475
 addrconf_notify+0x794/0x1010 net/ipv6/addrconf.c:3650
 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x163c/0x1b10 net/core/dev.c:11244
 bond_newlink+0x60/0xb0 drivers/net/bonding/bond_netlink.c:590
 rtnl_newlink_create+0x310/0xb00 net/core/rtnetlink.c:3825
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x843/0xa10 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:729
 ____sys_sendmsg+0x508/0x820 net/socket.c:2614
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668
 __sys_sendmsg net/socket.c:2700 [inline]
 __do_sys_sendmsg net/socket.c:2705 [inline]
 __se_sys_sendmsg net/socket.c:2703 [inline]
 __x64_sys_sendmsg+0x1a1/0x260 net/socket.c:2703
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e29a4ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc90a923b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3e29c95fa0 RCX: 00007f3e29a4ec29
RDX: 0000000000040000 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007f3e29ad1e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e29c95fa0 R14: 00007f3e29c95fa0 R15: 0000000000000003
 </TASK>