Warning: Permanently added '10.128.1.87' (ECDSA) to the list of known hosts. 2021/04/28 14:03:39 fuzzer started 2021/04/28 14:03:39 connecting to host at 10.128.0.169:35579 2021/04/28 14:03:39 checking machine... 2021/04/28 14:03:39 checking revisions... 2021/04/28 14:03:39 testing simple program... syzkaller login: [ 69.677127][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 69.727531][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.735540][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.744479][ T8437] device bridge_slave_0 entered promiscuous mode [ 69.754320][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.762332][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.770614][ T8437] device bridge_slave_1 entered promiscuous mode [ 69.792271][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.803542][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.826358][ T8437] team0: Port device team_slave_0 added [ 69.833795][ T8437] team0: Port device team_slave_1 added [ 69.851398][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.858706][ T8437] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.886180][ T8437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.899700][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.906784][ T8437] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.933075][ T8437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.960070][ T8437] device hsr_slave_0 entered promiscuous mode [ 69.966861][ T8437] device hsr_slave_1 entered promiscuous mode [ 70.066285][ T8437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.077728][ T8437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.088159][ T8437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.101271][ T8437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.127874][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.135037][ T8437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.143172][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.150343][ T8437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.194164][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.210424][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.222545][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.232938][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.241162][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.256391][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.269733][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.280022][ T4847] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.287145][ T4847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.308526][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.317186][ T8656] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.324481][ T8656] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.333297][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.345050][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.359026][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.370984][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.383501][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.394950][ T8437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.416172][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.423899][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.437794][ T8437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.456979][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.479286][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.488641][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.497323][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.508820][ T8437] device veth0_vlan entered promiscuous mode [ 70.522340][ T8437] device veth1_vlan entered promiscuous mode [ 70.544512][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.553776][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.563023][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.575923][ T8437] device veth0_macvtap entered promiscuous mode [ 70.587343][ T8437] device veth1_macvtap entered promiscuous mode [ 70.605483][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.613364][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.622942][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.635252][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.643839][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.656128][ T8437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.665148][ T8437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.674435][ T8437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.683660][ T8437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.781923][ T762] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.794904][ T762] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.824048][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.845369][ T762] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.853853][ T762] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.864078][ T4847] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/28 14:03:42 building call list... executing program [ 71.510542][ T25] ------------[ cut here ]------------ [ 71.521470][ T25] hook not found, pf 3 num 0 [ 71.528278][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 71.543405][ T25] Modules linked in: [ 71.551398][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-next-20210428-syzkaller #0 [ 71.573470][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.592343][ T25] Workqueue: netns cleanup_net [ 71.605445][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 71.613308][ T25] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 4d 6e 8a e8 c8 62 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 04 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 71.651864][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 71.660378][ T25] RAX: 0000000000000000 RBX: ffff888024faca00 RCX: 0000000000000000 [ 71.671696][ T25] RDX: ffff88801255b900 RSI: ffffffff815cc9f5 RDI: fffff520001bff6a [ 71.682596][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 71.692431][ T25] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802f7b0f20 [ 71.704604][ T25] R13: 0000000000000000 R14: ffff888013f4d500 R15: 0000000000000001 [ 71.713759][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.725656][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.732283][ T25] CR2: 000056520419c1a8 CR3: 0000000014c4b000 CR4: 00000000001506e0 [ 71.742299][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.758138][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.767621][ T25] Call Trace: [ 71.771089][ T25] nf_unregister_net_hooks+0x117/0x160 [ 71.779807][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 71.786799][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 71.792383][ T25] cleanup_net+0x451/0xb10 [ 71.800210][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 71.807882][ T25] process_one_work+0x98d/0x1600 [ 71.812884][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.821491][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 71.832558][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 71.840649][ T25] worker_thread+0x64c/0x1120 [ 71.846611][ T25] ? process_one_work+0x1600/0x1600 [ 71.851861][ T25] kthread+0x3b1/0x4a0 [ 71.858929][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 71.864183][ T25] ret_from_fork+0x1f/0x30 [ 71.870512][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 71.877115][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-next-20210428-syzkaller #0 [ 71.886421][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.896662][ T25] Workqueue: netns cleanup_net [ 71.901563][ T25] Call Trace: [ 71.904856][ T25] dump_stack+0x141/0x1d7 [ 71.909206][ T25] panic+0x306/0x73d [ 71.913119][ T25] ? __warn_printk+0xf3/0xf3 [ 71.917739][ T25] ? __warn.cold+0x1a/0x44 [ 71.922178][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 71.928003][ T25] __warn.cold+0x35/0x44 [ 71.932356][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 71.938109][ T25] report_bug+0x1bd/0x210 [ 71.942463][ T25] handle_bug+0x3c/0x60 [ 71.946743][ T25] exc_invalid_op+0x14/0x40 [ 71.951371][ T25] asm_exc_invalid_op+0x12/0x20 [ 71.956243][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 71.962589][ T25] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 4d 6e 8a e8 c8 62 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 04 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 71.982210][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 71.988297][ T25] RAX: 0000000000000000 RBX: ffff888024faca00 RCX: 0000000000000000 [ 71.996308][ T25] RDX: ffff88801255b900 RSI: ffffffff815cc9f5 RDI: fffff520001bff6a [ 72.004290][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.012346][ T25] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802f7b0f20 [ 72.020418][ T25] R13: 0000000000000000 R14: ffff888013f4d500 R15: 0000000000000001 [ 72.028428][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 72.033921][ T25] ? vprintk+0x95/0x260 [ 72.038215][ T25] nf_unregister_net_hooks+0x117/0x160 [ 72.043706][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 72.049635][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 72.055296][ T25] cleanup_net+0x451/0xb10 [ 72.059831][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 72.065406][ T25] process_one_work+0x98d/0x1600 [ 72.070376][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.075774][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 72.080814][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 72.085868][ T25] worker_thread+0x64c/0x1120 [ 72.090584][ T25] ? process_one_work+0x1600/0x1600 [ 72.095895][ T25] kthread+0x3b1/0x4a0 [ 72.099991][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 72.105132][ T25] ret_from_fork+0x1f/0x30 [ 72.110922][ T25] Kernel Offset: disabled [ 72.115349][ T25] Rebooting in 86400 seconds..