Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. 2021/05/08 01:18:30 fuzzer started 2021/05/08 01:18:30 connecting to host at 10.128.0.169:44821 2021/05/08 01:18:30 checking machine... 2021/05/08 01:18:30 checking revisions... 2021/05/08 01:18:30 testing simple program... syzkaller login: [ 56.852847][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 56.903497][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.913447][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.924209][ T8419] device bridge_slave_0 entered promiscuous mode [ 56.934486][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.942693][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.952520][ T8419] device bridge_slave_1 entered promiscuous mode [ 56.973589][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.987359][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.011904][ T8419] team0: Port device team_slave_0 added [ 57.019634][ T8419] team0: Port device team_slave_1 added [ 57.037793][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.045233][ T8419] 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. [ 57.073745][ T8419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.088444][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.095752][ T8419] 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. [ 57.123343][ T8419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.151180][ T8419] device hsr_slave_0 entered promiscuous mode [ 57.158374][ T8419] device hsr_slave_1 entered promiscuous mode [ 57.255645][ T8419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.266954][ T8419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.277117][ T8419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.287893][ T8419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.311538][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.319050][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.327325][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.334411][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.377739][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.391874][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.404444][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.413107][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.423622][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.437864][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.450826][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.460877][ T8638] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.468499][ T8638] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.481015][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.490044][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.497530][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.517409][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.527241][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.546625][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.555479][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.570003][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.580950][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.600376][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.608447][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.624564][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.644497][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.665870][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.674507][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.684282][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.697678][ T8419] device veth0_vlan entered promiscuous mode [ 57.711026][ T8419] device veth1_vlan entered promiscuous mode [ 57.733636][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.743491][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.752331][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.765194][ T8419] device veth0_macvtap entered promiscuous mode [ 57.780091][ T8419] device veth1_macvtap entered promiscuous mode [ 57.797026][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.804773][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.816479][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.830993][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.839291][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.849397][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.862421][ T8419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.872374][ T8419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.885615][ T8419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.895207][ T8419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.982180][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.006532][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.028503][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.039154][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.048978][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.059767][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/08 01:18:33 building call list... executing program [ 58.670902][ T96] ------------[ cut here ]------------ [ 58.677933][ T96] hook not found, pf 3 num 0 [ 58.678296][ T96] WARNING: CPU: 0 PID: 96 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x4ee/0x640 [ 58.701082][ T96] Modules linked in: [ 58.708558][ T96] CPU: 0 PID: 96 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 58.718278][ T96] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.730132][ T96] Workqueue: netns cleanup_net [ 58.735043][ T96] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 58.743717][ T96] Code: c6 05 e1 c7 02 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 00 b5 59 8b 44 89 e6 31 c0 e8 b2 2e 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 58.767441][ T96] RSP: 0018:ffffc900011cfad8 EFLAGS: 00010246 [ 58.774202][ T96] RAX: bbe48b6059b57d00 RBX: ffff88802facb800 RCX: ffff888015da8000 [ 58.784263][ T96] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.793606][ T96] RBP: ffff88803c920f20 R08: ffffffff81653d92 R09: ffffed1017343f24 [ 58.803285][ T96] R10: ffffed1017343f24 R11: 0000000000000000 R12: 0000000000000003 [ 58.812845][ T96] R13: dffffc0000000000 R14: 1ffff11028eeac63 R15: ffff88803c920000 [ 58.822536][ T96] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 58.832395][ T96] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.842938][ T96] CR2: 00007fe1e5e1e000 CR3: 00000000141c8000 CR4: 00000000001506f0 [ 58.851865][ T96] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.862382][ T96] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.871294][ T96] Call Trace: [ 58.874624][ T96] nf_unregister_net_hooks+0xe7/0x150 [ 58.882775][ T96] cleanup_net+0x608/0xc60 [ 58.888031][ T96] ? ops_free_list+0x380/0x380 [ 58.893005][ T96] ? _raw_spin_unlock_irq+0x1f/0x40 [ 58.899912][ T96] process_one_work+0x833/0x10c0 [ 58.905085][ T96] ? worker_detach_from_pool+0x260/0x260 [ 58.912231][ T96] ? _raw_spin_lock_irqsave+0x100/0x100 [ 58.918818][ T96] ? kthread_data+0x4d/0xc0 [ 58.923560][ T96] ? wq_worker_running+0x8b/0x140 [ 58.930197][ T96] worker_thread+0xac1/0x1300 [ 58.945443][ T96] ? rcu_lock_release+0x20/0x20 [ 58.950368][ T96] kthread+0x39a/0x3c0 [ 58.954637][ T96] ? rcu_lock_release+0x20/0x20 [ 58.964326][ T96] ? kthread_blkcg+0xd0/0xd0 [ 58.969836][ T96] ret_from_fork+0x1f/0x30 [ 58.974683][ T96] Kernel panic - not syncing: panic_on_warn set ... [ 58.981374][ T96] CPU: 0 PID: 96 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 58.989653][ T96] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.000621][ T96] Workqueue: netns cleanup_net [ 59.005410][ T96] Call Trace: [ 59.008743][ T96] dump_stack+0x202/0x31e [ 59.013098][ T96] ? show_regs_print_info+0x12/0x12 [ 59.018576][ T96] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 59.024302][ T96] ? preempt_count_add+0x66/0x130 [ 59.029347][ T96] panic+0x2e1/0x850 [ 59.033389][ T96] ? __warn+0x13e/0x270 [ 59.037796][ T96] ? nmi_panic+0x90/0x90 [ 59.042161][ T96] ? ret_from_fork+0x1f/0x30 [ 59.046772][ T96] __warn+0x26a/0x270 [ 59.050763][ T96] ? __nf_unregister_net_hook+0x4ee/0x640 [ 59.056592][ T96] ? __nf_unregister_net_hook+0x4ee/0x640 [ 59.062591][ T96] report_bug+0x1b1/0x2e0 [ 59.067036][ T96] handle_bug+0x3d/0x70 [ 59.071207][ T96] exc_invalid_op+0x16/0x40 [ 59.075728][ T96] asm_exc_invalid_op+0x12/0x20 [ 59.081380][ T96] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 59.087814][ T96] Code: c6 05 e1 c7 02 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 00 b5 59 8b 44 89 e6 31 c0 e8 b2 2e 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 59.107435][ T96] RSP: 0018:ffffc900011cfad8 EFLAGS: 00010246 [ 59.113874][ T96] RAX: bbe48b6059b57d00 RBX: ffff88802facb800 RCX: ffff888015da8000 [ 59.121878][ T96] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.129857][ T96] RBP: ffff88803c920f20 R08: ffffffff81653d92 R09: ffffed1017343f24 [ 59.138094][ T96] R10: ffffed1017343f24 R11: 0000000000000000 R12: 0000000000000003 [ 59.146172][ T96] R13: dffffc0000000000 R14: 1ffff11028eeac63 R15: ffff88803c920000 [ 59.154245][ T96] ? wake_up_klogd+0xb2/0xf0 [ 59.158865][ T96] ? __nf_unregister_net_hook+0x4ee/0x640 [ 59.164750][ T96] nf_unregister_net_hooks+0xe7/0x150 [ 59.170323][ T96] cleanup_net+0x608/0xc60 [ 59.174839][ T96] ? ops_free_list+0x380/0x380 [ 59.179708][ T96] ? _raw_spin_unlock_irq+0x1f/0x40 [ 59.185005][ T96] process_one_work+0x833/0x10c0 [ 59.189968][ T96] ? worker_detach_from_pool+0x260/0x260 [ 59.195612][ T96] ? _raw_spin_lock_irqsave+0x100/0x100 [ 59.201335][ T96] ? kthread_data+0x4d/0xc0 [ 59.205929][ T96] ? wq_worker_running+0x8b/0x140 [ 59.210969][ T96] worker_thread+0xac1/0x1300 [ 59.215683][ T96] ? rcu_lock_release+0x20/0x20 [ 59.220540][ T96] kthread+0x39a/0x3c0 [ 59.224714][ T96] ? rcu_lock_release+0x20/0x20 [ 59.229737][ T96] ? kthread_blkcg+0xd0/0xd0 [ 59.234372][ T96] ret_from_fork+0x1f/0x30 [ 59.240386][ T96] Kernel Offset: disabled [ 59.244808][ T96] Rebooting in 86400 seconds..