[   48.369820] NOHZ: local_softirq_pending 08
[  150.126193] NOHZ: local_softirq_pending 08
[  170.605847] NOHZ: local_softirq_pending 08
[  191.733146] NOHZ: local_softirq_pending 08
[  212.207052] NOHZ: local_softirq_pending 08
[  232.044315] NOHZ: local_softirq_pending 08
[  293.494895] NOHZ: local_softirq_pending 08
[  376.046406] NOHZ: local_softirq_pending 08
[  400.363758] NOHZ: local_softirq_pending 08
[  436.843906] NOHZ: local_softirq_pending 08
[  459.013210] syz-executor.0 (5938) used greatest stack depth: 23392 bytes left
[  459.586136] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  459.593326] batman_adv: batadv0: Removing interface: batadv_slave_0
[  459.600728] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  459.607422] batman_adv: batadv0: Removing interface: batadv_slave_1
[  459.615392] device bridge_slave_1 left promiscuous mode
[  459.621061] bridge0: port 2(bridge_slave_1) entered disabled state
[  459.629586] device bridge_slave_0 left promiscuous mode
[  459.635181] bridge0: port 1(bridge_slave_0) entered disabled state
[  459.647680] device veth1_macvtap left promiscuous mode
[  459.653206] device veth0_macvtap left promiscuous mode
[  459.658479] device veth1_vlan left promiscuous mode
[  459.664431] device veth0_vlan left promiscuous mode
[  459.737529] team0 (unregistering): Port device team_slave_1 removed
[  459.748512] team0 (unregistering): Port device team_slave_0 removed
[  459.760009] bond0 (unregistering): Releasing backup interface bond_slave_1
[  459.770813] bond0 (unregistering): Releasing backup interface bond_slave_0
[  459.808511] bond0 (unregistering): Released all slaves
[  460.018401] ------------[ cut here ]------------
[  460.023298] WARNING: CPU: 0 PID: 3084 at net/netfilter/core.c:193 nf_unregister_net_hook+0x2d0/0x5a0
[  460.032688] nf_unregister_net_hook: hook not found!
[  460.037689] Kernel panic - not syncing: panic_on_warn set ...
[  460.037689] 
[  460.045021] CPU: 0 PID: 3084 Comm: kworker/u4:5 Not tainted 4.8.0-syzkaller #0
[  460.052348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.061692] Workqueue: netns cleanup_net
[  460.065898]  ffff88011ec17890 ffffffff82ed39d2 ffffffff86285b80 ffff88011ec17968
[  460.073899]  ffffffff86aef000 ffffffff84ef6230 0000000000000009 ffff88011ec17958
[  460.081897]  ffffffff8163dd12 0000000041b58ab3 ffffffff86fab978 ffffffff8163db5c
[  460.089864] Call Trace:
[  460.092422]  [<ffffffff82ed39d2>] dump_stack+0x136/0x1d4
[  460.097858]  [<ffffffff84ef6230>] ? nf_unregister_net_hook+0x2d0/0x5a0
[  460.104493]  [<ffffffff8163dd12>] panic+0x1b6/0x351
[  460.109477]  [<ffffffff8163db5c>] ? devm_memremap+0xec/0xec
[  460.115169]  [<ffffffff84ef6230>] ? nf_unregister_net_hook+0x2d0/0x5a0
[  460.121802]  [<ffffffff81349edd>] __warn+0x18d/0x1b0
[  460.126874]  [<ffffffff81453cee>] ? trace_hardirqs_on_caller+0x49e/0x5c0
[  460.133681]  [<ffffffff81349f92>] warn_slowpath_fmt+0x92/0xb0
[  460.139540]  [<ffffffff81349f00>] ? __warn+0x1b0/0x1b0
[  460.144796]  [<ffffffff84ef6230>] nf_unregister_net_hook+0x2d0/0x5a0
[  460.151268]  [<ffffffff84ef6626>] netfilter_net_exit+0x36/0xa0
[  460.157221]  [<ffffffff84cecf8e>] ops_exit_list.isra.0+0x8e/0x120
[  460.163433]  [<ffffffff84cef290>] cleanup_net+0x2d0/0x570
[  460.168950]  [<ffffffff84ceefc0>] ? net_drop_ns+0x60/0x60
[  460.174457]  [<ffffffff8149cfc7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  460.181189]  [<ffffffff8139b66d>] process_one_work+0x67d/0x14d0
[  460.187214]  [<ffffffff8139b5c2>] ? process_one_work+0x5d2/0x14d0
[  460.193416]  [<ffffffff813c89d1>] ? finish_task_switch+0x151/0x630
[  460.199703]  [<ffffffff8139aff0>] ? cancel_delayed_work_sync+0x10/0x10
[  460.206338]  [<ffffffff8139c5a1>] worker_thread+0xe1/0x1050
[  460.212064]  [<ffffffff8602290c>] ? __schedule+0x80c/0x1d20
[  460.217755]  [<ffffffff8139c4c0>] ? process_one_work+0x14d0/0x14d0
[  460.224043]  [<ffffffff813ad14e>] kthread+0x20e/0x2d0
[  460.229199]  [<ffffffff81453e1d>] ? trace_hardirqs_on+0xd/0x10
[  460.235148]  [<ffffffff813acf40>] ? kthread_park+0x80/0x80
[  460.240739]  [<ffffffff813acf40>] ? kthread_park+0x80/0x80
[  460.246331]  [<ffffffff813acf40>] ? kthread_park+0x80/0x80
[  460.251951]  [<ffffffff8603211a>] ret_from_fork+0x2a/0x40
[  460.258646] Kernel Offset: disabled