BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 593 Comm: kworker/u8:6 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: netns cleanup_net
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:119
 dump_stack+0x1c/0x28 lib/dump_stack.c:128
 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline]
 validate_chain kernel/locking/lockdep.c:3836 [inline]
 __lock_acquire+0x1fa0/0x779c kernel/locking/lockdep.c:5142
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
 __raw_write_lock include/linux/rwlock_api_smp.h:209 [inline]
 _raw_write_lock+0x48/0x60 kernel/locking/spinlock.c:300
 neigh_flush_dev+0x2c8/0x7c8 net/core/neighbour.c:406
 __neigh_ifdown+0x58/0x390 net/core/neighbour.c:446
 neigh_ifdown+0x2c/0x40 net/core/neighbour.c:464
 rt6_disable_ip+0x6bc/0x72c net/ipv6/route.c:4915
 addrconf_ifdown+0x154/0x17c8 net/ipv6/addrconf.c:3856
 addrconf_notify+0x340/0xce8
 notifier_call_chain+0x1b4/0x538 kernel/notifier.c:93
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461
 call_netdevice_notifiers_info net/core/dev.c:1994 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]
 call_netdevice_notifiers net/core/dev.c:2046 [inline]
 dev_close_many+0x308/0x474 net/core/dev.c:1587
 unregister_netdevice_many_notify+0x460/0x1bc0 net/core/dev.c:11327
 unregister_netdevice_many net/core/dev.c:11414 [inline]
 unregister_netdevice_queue+0x2d8/0x324 net/core/dev.c:11289
 unregister_netdevice include/linux/netdevice.h:3129 [inline]
 nsim_destroy+0x15c/0x508 drivers/net/netdevsim/netdev.c:778
 __nsim_dev_port_del+0x140/0x1a0 drivers/net/netdevsim/dev.c:1425
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline]
 nsim_dev_reload_destroy+0x240/0x43c drivers/net/netdevsim/dev.c:1658
 nsim_dev_reload_down+0xac/0xe8 drivers/net/netdevsim/dev.c:965
 devlink_reload+0x188/0x79c net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x1c0/0x418 net/devlink/core.c:509
 ops_pre_exit_list net/core/net_namespace.c:163 [inline]
 cleanup_net+0x4dc/0x9b4 net/core/net_namespace.c:620
 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x978/0xec4 kernel/workqueue.c:3389
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves