veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 42 Comm: kworker/u8:3 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3858 [inline] validate_chain kernel/locking/lockdep.c:3879 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 debug_object_deactivate+0x70/0x330 lib/debugobjects.c:873 debug_hrtimer_deactivate kernel/time/hrtimer.c:450 [inline] debug_deactivate+0x34/0x2c0 kernel/time/hrtimer.c:490 remove_hrtimer kernel/time/hrtimer.c:1156 [inline] hrtimer_try_to_cancel+0x2e4/0x3a4 kernel/time/hrtimer.c:1365 update_curr_dl_se+0x118/0x5ec kernel/sched/deadline.c:1530 dl_server_update+0x68/0x7c kernel/sched/deadline.c:1643 update_curr+0x400/0x8a0 kernel/sched/fair.c:1260 enqueue_entity+0x70/0x9ec kernel/sched/fair.c:5331 enqueue_task_fair+0x774/0x104c kernel/sched/fair.c:6985 enqueue_task+0x7c/0x2f4 kernel/sched/core.c:2084 activate_task kernel/sched/core.c:2126 [inline] ttwu_do_activate+0x1a4/0x764 kernel/sched/core.c:3742 ttwu_queue kernel/sched/core.c:4015 [inline] try_to_wake_up+0x4b8/0xdf0 kernel/sched/core.c:4343 wake_up_process+0x18/0x24 kernel/sched/core.c:4476 kick_pool+0x3e0/0x58c kernel/workqueue.c:1279 __queue_work+0xde4/0x1230 kernel/workqueue.c:2342 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:680 [inline] netdevice_event+0x694/0x7a4 drivers/infiniband/core/roce_gid_mgmt.c:823 notifier_call_chain+0x1b8/0x4e4 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info net/core/dev.c:2230 [inline] __netdev_upper_dev_unlink+0x2e0/0x8a4 net/core/dev.c:8684 netdev_upper_dev_unlink+0x9c/0xe0 net/core/dev.c:8711 team_upper_dev_unlink drivers/net/team/team_core.c:1136 [inline] team_port_del+0x348/0xabc drivers/net/team/team_core.c:1365 team_del_slave+0x3c/0x180 drivers/net/team/team_core.c:2004 team_device_event+0x274/0x950 drivers/net/team/team_core.c:3000 notifier_call_chain+0x1b8/0x4e4 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info net/core/dev.c:2230 [inline] call_netdevice_notifiers_extack net/core/dev.c:2268 [inline] call_netdevice_notifiers net/core/dev.c:2282 [inline] unregister_netdevice_many_notify+0x125c/0x1fac net/core/dev.c:12077 unregister_netdevice_many net/core/dev.c:12140 [inline] default_device_exit_batch+0x838/0x8b4 net/core/dev.c:12644 ops_exit_list net/core/net_namespace.c:206 [inline] ops_undo_list+0x428/0x7ec net/core/net_namespace.c:253 cleanup_net+0x3e4/0x6c0 net/core/net_namespace.c:686 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50