BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline]
 raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
 rq_lock kernel/sched/sched.h:1645 [inline]
 ttwu_queue kernel/sched/core.c:3902 [inline]
 try_to_wake_up+0x3f0/0xc74 kernel/sched/core.c:4227
 wake_up_process+0x18/0x24 kernel/sched/core.c:4361
 wake_up_worker kernel/workqueue.c:859 [inline]
 insert_work+0x2a4/0x37c kernel/workqueue.c:1369
 __queue_work+0xcbc/0x123c kernel/workqueue.c:1520
 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548
 queue_work include/linux/workqueue.h:512 [inline]
 synchronize_rcu_expedited_queue_work kernel/rcu/tree_exp.h:527 [inline]
 synchronize_rcu_expedited+0x494/0x6f0 kernel/rcu/tree_exp.h:972
 synchronize_net+0x44/0x60 net/core/dev.c:10892
 dev_deactivate_many+0x4ac/0xa8c net/sched/sch_generic.c:1370
 __dev_close_many+0x23c/0x394 net/core/dev.c:1559
 dev_close_many+0x1e8/0x440 net/core/dev.c:1597
 dev_close+0x148/0x1f8 net/core/dev.c:1623
 lapbeth_device_event+0x2e8/0x95c drivers/net/wan/lapbether.c:466
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:2001 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline]
 call_netdevice_notifiers net/core/dev.c:2053 [inline]
 __dev_close_many+0x18c/0x394 net/core/dev.c:1546
 dev_close_many+0x1e8/0x440 net/core/dev.c:1597
 unregister_netdevice_many+0x3c4/0x1740 net/core/dev.c:10964
 unregister_netdevice_queue+0x2ac/0x2f8 net/core/dev.c:10921
 unregister_netdevice include/linux/netdevice.h:3075 [inline]
 nsim_destroy+0x58/0x164 drivers/net/netdevsim/netdev.c:382
 __nsim_dev_port_del+0x144/0x1a4 drivers/net/netdevsim/dev.c:1433
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1445 [inline]
 nsim_dev_reload_destroy+0x240/0x43c drivers/net/netdevsim/dev.c:1662
 nsim_drv_remove+0x64/0x154 drivers/net/netdevsim/dev.c:1678
 nsim_bus_remove+0x20/0x30 drivers/net/netdevsim/bus.c:246
 device_remove drivers/base/dd.c:548 [inline]
 __device_release_driver drivers/base/dd.c:1260 [inline]
 device_release_driver_internal+0x3d4/0x6d0 drivers/base/dd.c:1286
 device_release_driver+0x28/0x38 drivers/base/dd.c:1309
 bus_remove_device+0x294/0x388 drivers/base/bus.c:531
 device_del+0x568/0x96c drivers/base/core.c:3885
 device_unregister+0x2c/0xcc drivers/base/core.c:3928
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline]
 del_device_store+0x27c/0x31c drivers/net/netdevsim/bus.c:219
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:124
 sysfs_kf_write+0x1f8/0x278 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x348/0x4c0 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ac/0x7c4 fs/read_write.c:584
 ksys_write+0x120/0x210 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585