[ 212.988500] NOHZ: local_softirq_pending 08 [ 284.667633] NOHZ: local_softirq_pending 08 [ 294.267036] NOHZ: local_softirq_pending 08 [ 294.272530] NOHZ: local_softirq_pending 08 [ 316.027236] NOHZ: local_softirq_pending 08 [ 316.031576] NOHZ: local_softirq_pending 08 [ 366.591236] NOHZ: local_softirq_pending 08 [ 396.665751] NOHZ: local_softirq_pending 08 [ 417.145993] NOHZ: local_softirq_pending 08 [ 417.150449] NOHZ: local_softirq_pending 08 [ 479.953182] syz-executor.3 (5913) used greatest stack depth: 24176 bytes left [ 480.745527] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 480.752232] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 480.760359] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 480.767397] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 480.776610] device bridge_slave_1 left promiscuous mode [ 480.782304] bridge0: port 2(bridge_slave_1) entered disabled state [ 480.817485] device bridge_slave_0 left promiscuous mode [ 480.823036] bridge0: port 1(bridge_slave_0) entered disabled state [ 480.908337] device veth1_macvtap left promiscuous mode [ 480.913815] device veth0_macvtap left promiscuous mode [ 480.919862] device veth1_vlan left promiscuous mode [ 480.925425] device veth0_vlan left promiscuous mode [ 481.002409] team0 (unregistering): Port device team_slave_1 removed [ 481.012103] team0 (unregistering): Port device team_slave_0 removed [ 481.022552] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 481.049448] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 481.123086] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. [ 485.324823] ------------[ cut here ]------------ [ 485.329807] WARNING: CPU: 1 PID: 28 at net/netfilter/core.c:151 nf_unregister_net_hook+0x28a/0x3c0 [ 485.339045] nf_unregister_net_hook: hook not found! [ 485.344047] Kernel panic - not syncing: panic_on_warn set ... [ 485.344047] [ 485.351395] CPU: 1 PID: 28 Comm: kworker/u4:2 Not tainted 4.9.0-rc1-syzkaller #0 [ 485.358895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 485.368372] Workqueue: netns cleanup_net [ 485.372550] ffff88012b30f890 ffffffff82d76a92 ffffffff86085f80 ffff88012b30f968 [ 485.380560] ffffffff868b2400 ffffffff84d73d0a 0000000000000009 ffff88012b30f958 [ 485.388556] ffffffff81641ef2 0000000041b58ab3 ffffffff86d6766f ffffffff81641d3c [ 485.396555] Call Trace: [ 485.399189] [] dump_stack+0x136/0x1d4 [ 485.404633] [] ? nf_unregister_net_hook+0x28a/0x3c0 [ 485.411330] [] panic+0x1b6/0x358 [ 485.416333] [] ? devm_memremap+0xec/0xec [ 485.422063] [] ? vprintk_emit+0x3d0/0x7f0 [ 485.427837] [] ? nf_unregister_net_hook+0x28a/0x3c0 [ 485.434521] [] __warn+0x18d/0x1b0 [ 485.439636] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 485.446446] [] warn_slowpath_fmt+0x92/0xb0 [ 485.452312] [] ? __warn+0x1b0/0x1b0 [ 485.457565] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 485.464388] [] nf_unregister_net_hook+0x28a/0x3c0 [ 485.470848] [] netfilter_net_exit+0x36/0xa0 [ 485.476799] [] ops_exit_list.isra.0+0x8e/0x120 [ 485.483002] [] cleanup_net+0x2d0/0x570 [ 485.488522] [] ? net_drop_ns+0x60/0x60 [ 485.494075] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 485.500836] [] process_one_work+0x67d/0x14d0 [ 485.506875] [] ? process_one_work+0x5d2/0x14d0 [ 485.513110] [] ? finish_task_switch+0x151/0x630 [ 485.519401] [] ? cancel_delayed_work_sync+0x10/0x10 [ 485.526046] [] worker_thread+0xe1/0x1050 [ 485.531735] [] ? process_one_work+0x14d0/0x14d0 [ 485.538025] [] kthread+0x20e/0x2d0 [ 485.543194] [] ? trace_hardirqs_on+0xd/0x10 [ 485.549145] [] ? kthread_park+0x80/0x80 [ 485.554751] [] ? kthread_park+0x80/0x80 [ 485.560343] [] ? kthread_park+0x80/0x80 [ 485.566024] [] ret_from_fork+0x2a/0x40 [ 485.572685] Kernel Offset: disabled