[  480.449164] syz-executor.4 (5915) used greatest stack depth: 24176 bytes left
[  481.181788] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  481.188606] batman_adv: batadv0: Removing interface: batadv_slave_0
[  481.198549] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  481.205257] batman_adv: batadv0: Removing interface: batadv_slave_1
[  481.215184] device bridge_slave_1 left promiscuous mode
[  481.221245] bridge0: port 2(bridge_slave_1) entered disabled state
[  481.262291] device bridge_slave_0 left promiscuous mode
[  481.267739] bridge0: port 1(bridge_slave_0) entered disabled state
[  481.353950] device veth1_macvtap left promiscuous mode
[  481.359461] device veth0_macvtap left promiscuous mode
[  481.365001] device veth1_vlan left promiscuous mode
[  481.370308] device veth0_vlan left promiscuous mode
[  481.443613] team0 (unregistering): Port device team_slave_1 removed
[  481.455071] team0 (unregistering): Port device team_slave_0 removed
[  481.466627] bond0 (unregistering): Releasing backup interface bond_slave_1
[  481.505701] bond0 (unregistering): Releasing backup interface bond_slave_0
[  481.570346] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.0.113' (ECDSA) to the list of known hosts.
[  485.741236] ------------[ cut here ]------------
[  485.746311] WARNING: CPU: 0 PID: 2692 at net/netfilter/core.c:151 nf_unregister_net_hook+0x28a/0x3c0
[  485.755651] nf_unregister_net_hook: hook not found!
[  485.760701] Kernel panic - not syncing: panic_on_warn set ...
[  485.760701] 
[  485.768119] CPU: 0 PID: 2692 Comm: kworker/u4:0 Not tainted 4.9.0-rc1-syzkaller #0
[  485.775795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  485.785214] Workqueue: netns cleanup_net
[  485.789401]  ffff8801080e7890 ffffffff82d76a92 ffffffff86085f80 ffff8801080e7968
[  485.797384]  ffffffff868b2400 ffffffff84d73d0a 0000000000000009 ffff8801080e7958
[  485.805369]  ffffffff81641ef2 0000000041b58ab3 ffffffff86d6766f ffffffff81641d3c
[  485.813349] Call Trace:
[  485.815970]  [<ffffffff82d76a92>] dump_stack+0x136/0x1d4
[  485.821393]  [<ffffffff84d73d0a>] ? nf_unregister_net_hook+0x28a/0x3c0
[  485.828080]  [<ffffffff81641ef2>] panic+0x1b6/0x358
[  485.833186]  [<ffffffff81641d3c>] ? devm_memremap+0xec/0xec
[  485.838922]  [<ffffffff81480b30>] ? vprintk_emit+0x3d0/0x7f0
[  485.844695]  [<ffffffff84d73d0a>] ? nf_unregister_net_hook+0x28a/0x3c0
[  485.851367]  [<ffffffff81349a1d>] __warn+0x18d/0x1b0
[  485.856498]  [<ffffffff81453e3e>] ? trace_hardirqs_on_caller+0x49e/0x5c0
[  485.863368]  [<ffffffff81349ad2>] warn_slowpath_fmt+0x92/0xb0
[  485.869220]  [<ffffffff81349a40>] ? __warn+0x1b0/0x1b0
[  485.874465]  [<ffffffff81453e3e>] ? trace_hardirqs_on_caller+0x49e/0x5c0
[  485.881275]  [<ffffffff84d73d0a>] nf_unregister_net_hook+0x28a/0x3c0
[  485.887749]  [<ffffffff84d74106>] netfilter_net_exit+0x36/0xa0
[  485.893711]  [<ffffffff84b6af8e>] ops_exit_list.isra.0+0x8e/0x120
[  485.899916]  [<ffffffff84b6d290>] cleanup_net+0x2d0/0x570
[  485.905425]  [<ffffffff84b6cfc0>] ? net_drop_ns+0x60/0x60
[  485.910991]  [<ffffffff8149d1f7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  485.917744]  [<ffffffff8139b10d>] process_one_work+0x67d/0x14d0
[  485.923815]  [<ffffffff8139b062>] ? process_one_work+0x5d2/0x14d0
[  485.930097]  [<ffffffff813c8f41>] ? finish_task_switch+0x151/0x630
[  485.936385]  [<ffffffff8139aa90>] ? cancel_delayed_work_sync+0x10/0x10
[  485.943020]  [<ffffffff8139c041>] worker_thread+0xe1/0x1050
[  485.948787]  [<ffffffff85ea734c>] ? __schedule+0x80c/0x1d20
[  485.954466]  [<ffffffff8139bf60>] ? process_one_work+0x14d0/0x14d0
[  485.960755]  [<ffffffff813acc4e>] kthread+0x20e/0x2d0
[  485.965914]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  485.971509]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  485.977152]  [<ffffffff813aca40>] ? kthread_park+0x80/0x80
[  485.982824]  [<ffffffff85eb7fda>] ret_from_fork+0x2a/0x40
[  485.989865] Kernel Offset: disabled