[ 63.777333] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.784770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.975339] NOHZ: local_softirq_pending 08 [ 131.686132] NOHZ: local_softirq_pending 08 [ 212.322109] NOHZ: local_softirq_pending 08 [ 336.476379] NOHZ: local_softirq_pending 08 [ 336.480665] NOHZ: local_softirq_pending 08 [ 362.709694] kworker/dying (27) used greatest stack depth: 24376 bytes left [ 397.261475] NOHZ: local_softirq_pending 08 [ 438.857894] NOHZ: local_softirq_pending 08 [ 479.314078] syz-executor.5 (5918) used greatest stack depth: 24176 bytes left [ 479.815257] NOHZ: local_softirq_pending 08 [ 482.515866] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 482.522574] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 482.530518] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 482.537249] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 482.545900] device bridge_slave_1 left promiscuous mode [ 482.551672] bridge0: port 2(bridge_slave_1) entered disabled state [ 482.595987] device bridge_slave_0 left promiscuous mode [ 482.601436] bridge0: port 1(bridge_slave_0) entered disabled state [ 482.697378] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 482.704063] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 482.712753] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 482.719712] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 482.727343] device bridge_slave_1 left promiscuous mode [ 482.732738] bridge0: port 2(bridge_slave_1) entered disabled state [ 482.784944] device bridge_slave_0 left promiscuous mode [ 482.790376] bridge0: port 1(bridge_slave_0) entered disabled state [ 482.875657] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 482.882375] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 482.890267] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 482.897398] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 482.905615] device bridge_slave_1 left promiscuous mode [ 482.911026] bridge0: port 2(bridge_slave_1) entered disabled state [ 482.944957] device bridge_slave_0 left promiscuous mode [ 482.950392] bridge0: port 1(bridge_slave_0) entered disabled state [ 483.046390] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 483.053084] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 483.060729] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 483.067459] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 483.075534] device bridge_slave_1 left promiscuous mode [ 483.080954] bridge0: port 2(bridge_slave_1) entered disabled state [ 483.124751] device bridge_slave_0 left promiscuous mode [ 483.130247] bridge0: port 1(bridge_slave_0) entered disabled state [ 483.239144] device veth1_macvtap left promiscuous mode [ 483.244797] device veth0_macvtap left promiscuous mode [ 483.250076] device veth1_vlan left promiscuous mode [ 483.255479] device veth0_vlan left promiscuous mode [ 483.261117] device veth1_macvtap left promiscuous mode [ 483.266441] device veth0_macvtap left promiscuous mode [ 483.271722] device veth1_vlan left promiscuous mode [ 483.276884] device veth0_vlan left promiscuous mode [ 483.282067] device veth1_macvtap left promiscuous mode [ 483.287374] device veth0_macvtap left promiscuous mode [ 483.292709] device veth1_vlan left promiscuous mode [ 483.297967] device veth0_vlan left promiscuous mode [ 483.303163] device veth1_macvtap left promiscuous mode [ 483.308467] device veth0_macvtap left promiscuous mode [ 483.313749] device veth1_vlan left promiscuous mode [ 483.318958] device veth0_vlan left promiscuous mode [ 483.462480] team0 (unregistering): Port device team_slave_1 removed [ 483.473029] team0 (unregistering): Port device team_slave_0 removed [ 483.483580] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 483.518030] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 483.593471] bond0 (unregistering): Released all slaves [ 483.653027] team0 (unregistering): Port device team_slave_1 removed [ 483.664555] team0 (unregistering): Port device team_slave_0 removed [ 483.673812] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 483.737400] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 483.810910] bond0 (unregistering): Released all slaves [ 483.872289] team0 (unregistering): Port device team_slave_1 removed [ 483.881918] team0 (unregistering): Port device team_slave_0 removed [ 483.891491] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 483.917670] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 483.992418] bond0 (unregistering): Released all slaves [ 484.052081] team0 (unregistering): Port device team_slave_1 removed [ 484.061733] team0 (unregistering): Port device team_slave_0 removed [ 484.071334] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 484.137354] bond0 (unregistering): Releasing backup interface bond_slave_0 Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. [ 484.220699] bond0 (unregistering): Released all slaves [ 484.449092] audit: type=1400 audit(1596298644.208:11): avc: denied { execmem } for pid=16839 comm="syz-executor957" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 498.889689] ------------[ cut here ]------------ [ 498.894744] WARNING: CPU: 0 PID: 504 at net/netfilter/core.c:151 nf_unregister_net_hook+0x28a/0x3c0 [ 498.904089] nf_unregister_net_hook: hook not found! [ 498.909088] Kernel panic - not syncing: panic_on_warn set ... [ 498.909088] [ 498.916420] CPU: 0 PID: 504 Comm: kworker/u4:3 Not tainted 4.9.0-rc1-syzkaller #0 [ 498.924008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.933449] Workqueue: netns cleanup_net [ 498.937606] ffff88012a3a7890 ffffffff82d76a92 ffffffff86085f80 ffff88012a3a7968 [ 498.945616] ffffffff868b2800 ffffffff84d73d0a 0000000000000009 ffff88012a3a7958 [ 498.953591] ffffffff81641ef2 0000000041b58ab3 ffffffff86d67a6f ffffffff81641d3c [ 498.961567] Call Trace: [ 498.964258] [] dump_stack+0x136/0x1d4 [ 498.969872] [] ? nf_unregister_net_hook+0x28a/0x3c0 [ 498.976562] [] panic+0x1b6/0x358 [ 498.981813] [] ? devm_memremap+0xec/0xec [ 498.987545] [] ? vprintk_emit+0x3d0/0x7f0 [ 498.993325] [] ? nf_unregister_net_hook+0x28a/0x3c0 [ 498.999988] [] __warn+0x18d/0x1b0 [ 499.005088] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 499.011895] [] warn_slowpath_fmt+0x92/0xb0 [ 499.017754] [] ? __warn+0x1b0/0x1b0 [ 499.023023] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 499.029833] [] nf_unregister_net_hook+0x28a/0x3c0 [ 499.036295] [] netfilter_net_exit+0x36/0xa0 [ 499.042233] [] ops_exit_list.isra.0+0x8e/0x120 [ 499.048523] [] cleanup_net+0x2d0/0x570 [ 499.054041] [] ? net_drop_ns+0x60/0x60 [ 499.059613] [] ? preempt_schedule+0x4e/0x60 [ 499.065553] [] ? preempt_schedule_common+0x4f/0xd0 [ 499.072125] [] process_one_work+0x67d/0x14d0 [ 499.078150] [] ? process_one_work+0x5d2/0x14d0 [ 499.084480] [] ? finish_task_switch+0x151/0x630 [ 499.090767] [] ? cancel_delayed_work_sync+0x10/0x10 [ 499.097399] [] worker_thread+0xe1/0x1050 [ 499.103078] [] ? process_one_work+0x14d0/0x14d0 [ 499.109385] [] kthread+0x20e/0x2d0 [ 499.114553] [] ? trace_hardirqs_on+0xd/0x10 [ 499.120498] [] ? kthread_park+0x80/0x80 [ 499.126095] [] ? kthread_park+0x80/0x80 [ 499.131687] [] ? kthread_park+0x80/0x80 [ 499.137343] [] ret_from_fork+0x2a/0x40 [ 499.144337] Kernel Offset: disabled