[ 48.506721] NOHZ: local_softirq_pending 08 [ 171.374460] NOHZ: local_softirq_pending 08 [ 171.378738] NOHZ: local_softirq_pending 08 [ 172.010647] NOHZ: local_softirq_pending 08 [ 172.651712] NOHZ: local_softirq_pending 08 [ 172.656147] NOHZ: local_softirq_pending 08 [ 192.489696] NOHZ: local_softirq_pending 08 [ 212.968424] NOHZ: local_softirq_pending 08 [ 273.763268] NOHZ: local_softirq_pending 08 [ 273.767609] NOHZ: local_softirq_pending 08 [ 461.977607] syz-executor.4 (6045) used greatest stack depth: 23528 bytes left [ 462.431229] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 462.438150] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 462.445780] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 462.452553] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 462.460727] device bridge_slave_1 left promiscuous mode [ 462.466623] bridge0: port 2(bridge_slave_1) entered disabled state [ 462.485663] device bridge_slave_0 left promiscuous mode [ 462.491348] bridge0: port 1(bridge_slave_0) entered disabled state [ 462.501953] device veth1_macvtap left promiscuous mode [ 462.508240] device veth0_macvtap left promiscuous mode [ 462.513552] device veth1_vlan left promiscuous mode [ 462.519127] device veth0_vlan left promiscuous mode [ 462.580132] team0 (unregistering): Port device team_slave_1 removed [ 462.590149] team0 (unregistering): Port device team_slave_0 removed [ 462.601783] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 462.612045] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 462.633761] bond0 (unregistering): Released all slaves [ 462.853878] ------------[ cut here ]------------ [ 462.858854] WARNING: CPU: 0 PID: 158 at net/netfilter/core.c:147 nf_unregister_net_hook+0x292/0x3c0 [ 462.868751] nf_unregister_net_hook: hook not found! [ 462.873799] Kernel panic - not syncing: panic_on_warn set ... [ 462.873799] [ 462.881248] CPU: 0 PID: 158 Comm: kworker/u4:3 Not tainted 4.10.0-rc3-syzkaller #0 [ 462.889087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.898443] Workqueue: netns cleanup_net [ 462.902487] Call Trace: [ 462.905057] dump_stack+0x136/0x1d4 [ 462.908667] ? nf_unregister_net_hook+0x292/0x3c0 [ 462.913488] panic+0x1b6/0x358 [ 462.916654] ? devm_memremap+0xec/0xec [ 462.920513] ? vprintk_emit+0x3e2/0x7e0 [ 462.924470] ? nf_unregister_net_hook+0x292/0x3c0 [ 462.929302] __warn+0x18d/0x1b0 [ 462.932581] warn_slowpath_fmt+0x92/0xb0 [ 462.936618] ? __warn+0x1b0/0x1b0 [ 462.940052] ? kfree+0x193/0x2d0 [ 462.943404] nf_unregister_net_hook+0x292/0x3c0 [ 462.948069] netfilter_net_exit+0x36/0xa0 [ 462.952204] ops_exit_list.isra.0+0x8e/0x120 [ 462.956601] cleanup_net+0x38e/0x7d0 [ 462.960299] ? net_drop_ns+0x60/0x60 [ 462.963996] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.969072] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 462.973980] ? rcu_lockdep_current_cpu_online+0xdc/0x130 [ 462.979401] process_one_work+0x685/0x1660 [ 462.983618] ? process_one_work+0x5da/0x1660 [ 462.988002] ? finish_task_switch+0x17f/0x640 [ 462.992475] ? finish_task_switch+0x151/0x640 [ 462.996941] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 463.001578] worker_thread+0xe1/0x1110 [ 463.005434] ? __schedule+0x80c/0x1d50 [ 463.009294] kthread+0x2c9/0x3d0 [ 463.012630] ? process_one_work+0x1660/0x1660 [ 463.017119] ? kthread_create_on_node+0xa0/0xa0 [ 463.021771] ret_from_fork+0x2a/0x40 [ 463.027038] Kernel Offset: disabled