[ 459.203260] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.223949] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.243342] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.265102] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.276083] NOHZ: local_softirq_pending 08 [ 459.290552] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.300320] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.314015] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.329743] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.374609] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.393870] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.411481] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.430467] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.450989] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.470365] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.498544] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.549760] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.558337] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.564001] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.566001] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.589639] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.620823] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.650131] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.650496] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.688136] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.688248] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.719596] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.721653] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.731301] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.784544] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.795612] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.795722] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.795847] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.842578] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.913474] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 459.915350] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 459.916739] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 459.922869] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 459.923436] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.965854] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 459.983361] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 459.997252] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.006636] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.013194] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.052644] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.078470] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.096407] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.100484] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.121528] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.154972] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.164899] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.172461] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.184614] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.232067] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.248738] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.257125] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.294411] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.305495] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.338572] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.350718] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.368498] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.392403] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.411524] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.431434] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.466405] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.503329] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.537037] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.545742] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.555234] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.581745] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.588845] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.615111] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.633767] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.680676] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.690457] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.697299] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.697397] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.722270] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.774917] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.791450] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.812869] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.826171] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.837730] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 460.852750] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 460.856939] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.890582] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.891626] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 460.909622] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 460.936585] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 460.980940] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 460.991129] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.033676] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.054186] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.074236] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.074745] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.097473] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.116192] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.129757] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.162839] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.175998] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.195673] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.224221] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.240597] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.259714] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.274093] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.296385] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.312540] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.314419] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.368005] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.385560] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.385718] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.410270] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.424869] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.435347] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.439086] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.491921] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.492999] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.538461] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.580729] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.584452] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.600258] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.633636] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.655955] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.673011] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.683780] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.701260] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.736703] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.752266] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.762976] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.781036] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.827337] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 461.869419] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 461.879991] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.880994] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 461.931992] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 461.953104] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 461.983525] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 461.993680] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 462.008650] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 462.032848] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 462.034822] EXT4-fs (loop5): Couldn't mount because of unsupported optional features (4000) [ 462.052410] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 462.076431] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 462.100406] EXT4-fs (loop0): Couldn't mount because of unsupported optional features (4000) [ 462.113578] EXT4-fs (loop4): Couldn't mount because of unsupported optional features (4000) [ 462.121070] EXT4-fs (loop2): Couldn't mount because of unsupported optional features (4000) [ 462.126111] EXT4-fs (loop1): Couldn't mount because of unsupported optional features (4000) [ 462.139176] EXT4-fs (loop3): Couldn't mount because of unsupported optional features (4000) [ 462.827016] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 462.838184] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 462.863523] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 462.873368] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 462.883803] device bridge_slave_1 left promiscuous mode [ 462.893728] bridge0: port 2(bridge_slave_1) entered disabled state [ 462.913460] device bridge_slave_0 left promiscuous mode [ 462.919651] bridge0: port 1(bridge_slave_0) entered disabled state [ 462.936558] device veth1_macvtap left promiscuous mode [ 462.943280] device veth0_macvtap left promiscuous mode [ 462.959383] device veth1_vlan left promiscuous mode [ 462.965046] device veth0_vlan left promiscuous mode [ 463.171517] team0 (unregistering): Port device team_slave_1 removed [ 463.184291] team0 (unregistering): Port device team_slave_0 removed [ 463.204238] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 463.216371] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 463.252685] bond0 (unregistering): Released all slaves [ 463.608554] ------------[ cut here ]------------ [ 463.615633] WARNING: CPU: 0 PID: 42 at net/netfilter/core.c:147 nf_unregister_net_hook+0x34a/0x580 [ 463.628873] nf_unregister_net_hook: hook not found! [ 463.641739] Kernel panic - not syncing: panic_on_warn set ... [ 463.641739] [ 463.649097] CPU: 0 PID: 42 Comm: kworker/u4:2 Not tainted 4.10.0-rc2-syzkaller #0 [ 463.656695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.666123] Workqueue: netns cleanup_net [ 463.670166] Call Trace: [ 463.672808] dump_stack+0x1bd/0x29c [ 463.676419] ? _atomic_dec_and_lock+0xc4/0xc4 [ 463.680941] ? console_unlock+0x540/0xe40 [ 463.685105] ? _raw_spin_unlock_irqrestore+0x71/0xf0 [ 463.690215] ? nf_unregister_net_hook+0x34a/0x580 [ 463.695066] panic+0x1e5/0x44f [ 463.698245] ? devm_memremap+0x109/0x109 [ 463.702288] ? vprintk_emit+0x375/0x9b0 [ 463.706323] __warn+0x194/0x1d0 [ 463.709583] warn_slowpath_fmt+0x92/0xb0 [ 463.713628] ? __warn+0x1d0/0x1d0 [ 463.717066] nf_unregister_net_hook+0x34a/0x580 [ 463.721714] ? nf_register_net_hook+0x7e0/0x7e0 [ 463.726387] ? trace_hardirqs_on_caller+0x49c/0x6f0 [ 463.731405] netfilter_net_exit+0x36/0xd0 [ 463.735539] ops_exit_list+0xae/0x180 [ 463.739318] cleanup_net+0x336/0xbb0 [ 463.743014] ? net_drop_ns+0x20/0x20 [ 463.746708] ? debug_check_no_locks_freed+0x4c0/0x4c0 [ 463.751874] ? debug_lockdep_rcu_enabled+0x7b/0x90 [ 463.756822] process_one_work+0x7b3/0x1cf0 [ 463.761043] ? process_one_work+0x70c/0x1cf0 [ 463.765430] ? cancel_delayed_work_sync+0x10/0x10 [ 463.770253] ? worker_thread+0x1e0/0x1580 [ 463.774471] worker_thread+0x614/0x1580 [ 463.778429] ? process_one_work+0x1cf0/0x1cf0 [ 463.782908] kthread+0x311/0x4c0 [ 463.786258] ? process_one_work+0x1cf0/0x1cf0 [ 463.790733] ? kthread_create_on_node+0xa0/0xa0 [ 463.795386] ret_from_fork+0x2a/0x40 [ 463.800566] Kernel Offset: disabled