netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 1619 Comm: kworker/u4:5 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: netns cleanup_net
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 try_to_wake_up+0xb4/0xe60 kernel/sched/core.c:4108
 default_wake_function+0x4c/0x60 kernel/sched/core.c:6882
 ep_autoremove_wake_function+0x4c/0x120 fs/eventpoll.c:1797
 __wake_up_common+0x23c/0x3bc kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up+0x10c/0x1a8 kernel/sched/wait.c:160
 ep_poll_callback+0x614/0x974 fs/eventpoll.c:1239
 __wake_up_common+0x23c/0x3bc kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x114/0x1ac kernel/sched/wait.c:208
 sock_def_readable+0x150/0x278 net/core/sock.c:3305
 __netlink_sendskb net/netlink/af_netlink.c:1258 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1388 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1466 [inline]
 netlink_broadcast+0x9e8/0xff4 net/netlink/af_netlink.c:1506
 uevent_net_broadcast_tagged lib/kobject_uevent.c:372 [inline]
 kobject_uevent_net_broadcast+0x490/0x528 lib/kobject_uevent.c:412
 kobject_uevent_env+0x530/0x874 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:657
 device_add+0xa14/0xef4 drivers/base/core.c:3670
 netdev_register_kobject+0x15c/0x2d8 net/core/net-sysfs.c:2013
 register_netdevice+0xdf4/0x130c net/core/dev.c:10107
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:317 [inline]
 nsim_create+0x2c0/0x368 drivers/net/netdevsim/netdev.c:365
 __nsim_dev_port_add+0x52c/0x8c8 drivers/net/netdevsim/dev.c:1396
 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1454 [inline]
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1506 [inline]
 nsim_dev_reload_up+0x554/0x740 drivers/net/netdevsim/dev.c:988
 devlink_reload+0x244/0x578 net/devlink/leftover.c:4479
 devlink_pernet_pre_exit+0x138/0x318 net/devlink/leftover.c:12501
 ops_pre_exit_list net/core/net_namespace.c:162 [inline]
 cleanup_net+0x488/0x994 net/core/net_namespace.c:592
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
netdevsim netdevsim8 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim8 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim8 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim8 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
tipc: Left network mode