Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. 2021/05/07 09:37:35 fuzzer started 2021/05/07 09:37:36 connecting to host at 10.128.0.169:33487 2021/05/07 09:37:36 checking machine... 2021/05/07 09:37:36 checking revisions... 2021/05/07 09:37:36 testing simple program... syzkaller login: [ 75.795397][ T8423] chnl_net:caif_netlink_parms(): no params data found [ 75.850054][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.858508][ T8423] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.868130][ T8423] device bridge_slave_0 entered promiscuous mode [ 75.879190][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.888958][ T8423] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.898306][ T8423] device bridge_slave_1 entered promiscuous mode [ 75.920689][ T8423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.933744][ T8423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.959126][ T8423] team0: Port device team_slave_0 added [ 75.967532][ T8423] team0: Port device team_slave_1 added [ 75.986018][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.993646][ T8423] 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. [ 76.022951][ T8423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.037778][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.045809][ T8423] 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. [ 76.073773][ T8423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.101816][ T8423] device hsr_slave_0 entered promiscuous mode [ 76.109049][ T8423] device hsr_slave_1 entered promiscuous mode [ 76.216619][ T8423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.229966][ T8423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.239800][ T8423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.250266][ T8423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.275676][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.283119][ T8423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.291690][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.299018][ T8423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.347360][ T8423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.361071][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.374134][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.385551][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.395618][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.410389][ T8423] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.422699][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.432951][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.440315][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.467929][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.477193][ T4853] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.484589][ T4853] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.493180][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.502742][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.520499][ T8423] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.536079][ T8423] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.550417][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.559099][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.568787][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.577684][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.597248][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.605945][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.621082][ T8423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.646560][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.663116][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.673116][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.682828][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.697033][ T8423] device veth0_vlan entered promiscuous mode [ 76.710207][ T8423] device veth1_vlan entered promiscuous mode [ 76.735898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.745622][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.756072][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.768729][ T8423] device veth0_macvtap entered promiscuous mode [ 76.780025][ T8423] device veth1_macvtap entered promiscuous mode [ 76.800878][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.810579][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.821318][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.835800][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.846549][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.855727][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.868099][ T8423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.878073][ T8423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.894776][ T8423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.903900][ T8423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.996839][ T3077] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.020919][ T3077] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.038871][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 77.069320][ T3077] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.078348][ T3077] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.088902][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 09:37:39 building call list... [ 77.741946][ T3077] ------------[ cut here ]------------ [ 77.749851][ T3077] hook not found, pf 3 num 0 [ 77.750497][ T3077] WARNING: CPU: 0 PID: 3077 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.773187][ T3077] Modules linked in: [ 77.780391][ T3077] CPU: 0 PID: 3077 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 77.791658][ T3077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.803814][ T3077] Workqueue: netns cleanup_net [ 77.810984][ T3077] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.819229][ T3077] 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.843646][ T3077] RSP: 0018:ffffc90003107bc0 EFLAGS: 00010286 [ 77.851037][ T3077] RAX: 0000000000000000 RBX: ffff888149b3c700 RCX: 0000000000000000 [ 77.860831][ T3077] RDX: ffff88801e7e9c40 RSI: ffffffff815c8ba5 RDI: fffff52000620f6a [ 77.871672][ T3077] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.881720][ T3077] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802ebb8f20 [ 77.894224][ T3077] R13: 0000000000000000 R14: ffff8880207a9400 R15: 0000000000000001 [ 77.902320][ T3077] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.916843][ T3077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.923845][ T3077] CR2: 00007f89e81fd010 CR3: 0000000025776000 CR4: 00000000001506f0 [ 77.937906][ T3077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.948233][ T3077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.959731][ T3077] Call Trace: [ 77.963349][ T3077] nf_unregister_net_hooks+0x117/0x160 [ 77.970704][ T3077] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.979824][ T3077] ? arptable_filter_net_exit+0x20/0x20 [ 77.987044][ T3077] cleanup_net+0x451/0xb10 [ 77.991606][ T3077] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.007025][ T3077] process_one_work+0x98d/0x1600 [ 78.012416][ T3077] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.019996][ T3077] ? rwlock_bug.part.0+0x90/0x90 [ 78.028502][ T3077] ? _raw_spin_lock_irq+0x41/0x50 [ 78.033806][ T3077] worker_thread+0x64c/0x1120 [ 78.042024][ T3077] ? __kthread_parkme+0x13f/0x1e0 [ 78.051054][ T3077] ? process_one_work+0x1600/0x1600 [ 78.058172][ T3077] kthread+0x3b1/0x4a0 [ 78.062412][ T3077] ? __kthread_bind_mask+0xc0/0xc0 [ 78.070630][ T3077] ret_from_fork+0x1f/0x30 [ 78.079077][ T3077] Kernel panic - not syncing: panic_on_warn set ... [ 78.086214][ T3077] CPU: 0 PID: 3077 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 78.095011][ T3077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.105443][ T3077] Workqueue: netns cleanup_net [ 78.110411][ T3077] Call Trace: [ 78.113698][ T3077] dump_stack+0x141/0x1d7 [ 78.118226][ T3077] panic+0x306/0x73d [ 78.122475][ T3077] ? __warn_printk+0xf3/0xf3 [ 78.127184][ T3077] ? __warn.cold+0x1a/0x44 [ 78.131817][ T3077] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.138211][ T3077] __warn.cold+0x35/0x44 [ 78.142662][ T3077] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.148578][ T3077] report_bug+0x1bd/0x210 [ 78.153021][ T3077] handle_bug+0x3c/0x60 [ 78.157368][ T3077] exc_invalid_op+0x14/0x40 [ 78.162177][ T3077] asm_exc_invalid_op+0x12/0x20 [ 78.167137][ T3077] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.173665][ T3077] 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.194125][ T3077] RSP: 0018:ffffc90003107bc0 EFLAGS: 00010286 [ 78.200654][ T3077] RAX: 0000000000000000 RBX: ffff888149b3c700 RCX: 0000000000000000 [ 78.208986][ T3077] RDX: ffff88801e7e9c40 RSI: ffffffff815c8ba5 RDI: fffff52000620f6a [ 78.217670][ T3077] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.226137][ T3077] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802ebb8f20 [ 78.234299][ T3077] R13: 0000000000000000 R14: ffff8880207a9400 R15: 0000000000000001 [ 78.242912][ T3077] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.248156][ T3077] ? vprintk+0x95/0x260 [ 78.252472][ T3077] nf_unregister_net_hooks+0x117/0x160 [ 78.258088][ T3077] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.264354][ T3077] ? arptable_filter_net_exit+0x20/0x20 [ 78.270034][ T3077] cleanup_net+0x451/0xb10 [ 78.274902][ T3077] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.280514][ T3077] process_one_work+0x98d/0x1600 [ 78.285955][ T3077] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.291892][ T3077] ? rwlock_bug.part.0+0x90/0x90 [ 78.297198][ T3077] ? _raw_spin_lock_irq+0x41/0x50 [ 78.302775][ T3077] worker_thread+0x64c/0x1120 [ 78.307882][ T3077] ? __kthread_parkme+0x13f/0x1e0 [ 78.313243][ T3077] ? process_one_work+0x1600/0x1600 [ 78.318741][ T3077] kthread+0x3b1/0x4a0 [ 78.322827][ T3077] ? __kthread_bind_mask+0xc0/0xc0 [ 78.328131][ T3077] ret_from_fork+0x1f/0x30 [ 78.335088][ T3077] Kernel Offset: disabled [ 78.340414][ T3077] Rebooting in 86400 seconds..