============================================
WARNING: possible recursive locking detected
6.2.0-rc2-syzkaller-00378-g60d86034b14e #0 Not tainted
--------------------------------------------
ksoftirqd/0/15 is trying to acquire lock:
ffff88814b52d338 (&br->multicast_lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
ffff88814b52d338 (&br->multicast_lock){+.-.}-{2:2}, at: br_ip6_multicast_query net/bridge/br_multicast.c:3351 [inline]
ffff88814b52d338 (&br->multicast_lock){+.-.}-{2:2}, at: br_multicast_ipv6_rcv net/bridge/br_multicast.c:3747 [inline]
ffff88814b52d338 (&br->multicast_lock){+.-.}-{2:2}, at: br_multicast_rcv+0x2019/0x6830 net/bridge/br_multicast.c:3802

but task is already holding lock:
ffff88807ac21338 (&br->multicast_lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
ffff88807ac21338 (&br->multicast_lock){+.-.}-{2:2}, at: br_multicast_port_query_expired+0x61/0x360 net/bridge/br_multicast.c:1752

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&br->multicast_lock);
  lock(&br->multicast_lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

5 locks held by ksoftirqd/0/15:
 #0: ffffc90000147c50 ((&pmctx->ip6_own_query.timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline]
 #0: ffffc90000147c50 ((&pmctx->ip6_own_query.timer)){+.-.}-{0:0}, at: call_timer_fn+0xd4/0x7c0 kernel/time/timer.c:1690
 #1: ffff88807ac21338 (&br->multicast_lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
 #1: ffff88807ac21338 (&br->multicast_lock){+.-.}-{2:2}, at: br_multicast_port_query_expired+0x61/0x360 net/bridge/br_multicast.c:1752
 #2: ffffffff8c791b20 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x237/0x3ba0 net/core/dev.c:4166
 #3: ffffffff8c791b20 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x237/0x3ba0 net/core/dev.c:4166
 #4: ffffffff8c791b80 (rcu_read_lock){....}-{1:2}, at: br_dev_xmit+0x4/0x1620 net/bridge/br_device.c:29

stack backtrace:
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.2.0-rc2-syzkaller-00378-g60d86034b14e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 print_deadlock_bug kernel/locking/lockdep.c:2990 [inline]
 check_deadlock kernel/locking/lockdep.c:3033 [inline]
 validate_chain kernel/locking/lockdep.c:3818 [inline]
 __lock_acquire.cold+0x116/0x3a7 kernel/locking/lockdep.c:5055
 lock_acquire kernel/locking/lockdep.c:5668 [inline]
 lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 br_ip6_multicast_query net/bridge/br_multicast.c:3351 [inline]
 br_multicast_ipv6_rcv net/bridge/br_multicast.c:3747 [inline]
 br_multicast_rcv+0x2019/0x6830 net/bridge/br_multicast.c:3802
 br_dev_xmit+0x726/0x1620 net/bridge/br_device.c:89
 __netdev_start_xmit include/linux/netdevice.h:4865 [inline]
 netdev_start_xmit include/linux/netdevice.h:4879 [inline]
 xmit_one net/core/dev.c:3583 [inline]
 dev_hard_start_xmit+0x1c2/0x990 net/core/dev.c:3599
 __dev_queue_xmit+0x2cdf/0x3ba0 net/core/dev.c:4249
 dev_queue_xmit include/linux/netdevice.h:3035 [inline]
 vlan_dev_hard_start_xmit+0x1bc/0x5c0 net/8021q/vlan_dev.c:124
 __netdev_start_xmit include/linux/netdevice.h:4865 [inline]
 netdev_start_xmit include/linux/netdevice.h:4879 [inline]
 xmit_one net/core/dev.c:3583 [inline]
 dev_hard_start_xmit+0x1c2/0x990 net/core/dev.c:3599
 __dev_queue_xmit+0x2cdf/0x3ba0 net/core/dev.c:4249
 dev_queue_xmit include/linux/netdevice.h:3035 [inline]
 br_dev_queue_push_xmit+0x26e/0x740 net/bridge/br_forward.c:53
 NF_HOOK include/linux/netfilter.h:302 [inline]
 __br_multicast_send_query+0x11c6/0x3b70 net/bridge/br_multicast.c:1656
 br_multicast_send_query+0x266/0x4b0 net/bridge/br_multicast.c:1735
 br_multicast_port_query_expired+0x2c3/0x360 net/bridge/br_multicast.c:1760
 call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1700
 expire_timers+0x2c6/0x5c0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1fb/0xadc kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:934 [inline]
 run_ksoftirqd+0x31/0x60 kernel/softirq.c:926
 smpboot_thread_fn+0x659/0xa20 kernel/smpboot.c:164
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>