Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. 2021/05/07 21:53:02 fuzzer started 2021/05/07 21:53:02 connecting to host at 10.128.0.169:41993 2021/05/07 21:53:02 checking machine... 2021/05/07 21:53:02 checking revisions... 2021/05/07 21:53:02 testing simple program... syzkaller login: [ 77.206289][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 77.262086][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.270069][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.280286][ T8493] device bridge_slave_0 entered promiscuous mode [ 77.290385][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.298215][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.307457][ T8493] device bridge_slave_1 entered promiscuous mode [ 77.328524][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.340419][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.365239][ T8493] team0: Port device team_slave_0 added [ 77.374052][ T8493] team0: Port device team_slave_1 added [ 77.392535][ T8493] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.399970][ T8493] 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. [ 77.427891][ T8493] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.441905][ T8493] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.450045][ T8493] 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. [ 77.477100][ T8493] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.504391][ T8493] device hsr_slave_0 entered promiscuous mode [ 77.511554][ T8493] device hsr_slave_1 entered promiscuous mode [ 77.626846][ T8493] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.639426][ T8493] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.652379][ T8493] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.668175][ T8493] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.697910][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.705844][ T8493] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.713937][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.721300][ T8493] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.770053][ T8493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.786297][ T4874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.798498][ T4874] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.809437][ T4874] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.820409][ T4874] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.836413][ T8493] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.850602][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.861597][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.869145][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.882244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.891426][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.898814][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.921098][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.930553][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.955480][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.965581][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.975075][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.987447][ T8493] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.010655][ T8493] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.020099][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.028276][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.048846][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.071867][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.080496][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.089396][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.102619][ T8493] device veth0_vlan entered promiscuous mode [ 78.117443][ T8493] device veth1_vlan entered promiscuous mode [ 78.144113][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.153468][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.163249][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.176621][ T8493] device veth0_macvtap entered promiscuous mode [ 78.188566][ T8493] device veth1_macvtap entered promiscuous mode [ 78.207600][ T8493] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.215785][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.226076][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.238944][ T8493] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.247565][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.257412][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.271704][ T8493] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.281400][ T8493] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.290641][ T8493] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.304376][ T8493] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 78.402130][ T177] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.410252][ T177] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.446769][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.466832][ T177] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.478335][ T177] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.489905][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 21:53:06 building call list... [ 79.227575][ T147] ------------[ cut here ]------------ [ 79.234327][ T147] hook not found, pf 3 num 0 [ 79.235005][ T147] WARNING: CPU: 1 PID: 147 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.255380][ T147] Modules linked in: [ 79.259339][ T147] CPU: 1 PID: 147 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.272023][ T147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.284894][ T147] Workqueue: netns cleanup_net [ 79.290478][ T147] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.299428][ T147] 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 00 a1 6e 8a e8 d8 67 8a 01 <0f> 0b e9 e5 00 00 00 e8 b9 8a 2a fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.321738][ T147] RSP: 0018:ffffc900010efbc0 EFLAGS: 00010286 [ 79.327858][ T147] RAX: 0000000000000000 RBX: ffff88814731ac00 RCX: 0000000000000000 [ 79.348902][ T147] RDX: ffff8880149f3880 RSI: ffffffff815cc9a5 RDI: fffff5200021df6a [ 79.358386][ T147] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.367589][ T147] R10: ffffffff815c680e R11: 0000000000000000 R12: ffff88802eef0f20 [ 79.377862][ T147] R13: 0000000000000000 R14: ffff888018cef600 R15: 0000000000000001 [ 79.387426][ T147] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.398031][ T147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.407950][ T147] CR2: 00007f87b4d94000 CR3: 00000000139f8000 CR4: 00000000001506e0 [ 79.418867][ T147] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.429776][ T147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.438899][ T147] Call Trace: [ 79.445047][ T147] nf_unregister_net_hooks+0x117/0x160 [ 79.450687][ T147] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.458194][ T147] ? arptable_filter_net_exit+0x20/0x20 [ 79.466347][ T147] cleanup_net+0x451/0xb10 [ 79.472029][ T147] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.477812][ T147] process_one_work+0x98d/0x1600 [ 79.486037][ T147] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.497357][ T147] ? rwlock_bug.part.0+0x90/0x90 [ 79.504962][ T147] ? _raw_spin_lock_irq+0x41/0x50 [ 79.510271][ T147] worker_thread+0x64c/0x1120 [ 79.517437][ T147] ? process_one_work+0x1600/0x1600 [ 79.526702][ T147] kthread+0x3b1/0x4a0 [ 79.532145][ T147] ? __kthread_bind_mask+0xc0/0xc0 [ 79.537405][ T147] ret_from_fork+0x1f/0x30 [ 79.545498][ T147] Kernel panic - not syncing: panic_on_warn set ... [ 79.552265][ T147] CPU: 1 PID: 147 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.560508][ T147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.571000][ T147] Workqueue: netns cleanup_net [ 79.575809][ T147] Call Trace: [ 79.579109][ T147] dump_stack+0x141/0x1d7 [ 79.583545][ T147] panic+0x306/0x73d [ 79.587485][ T147] ? __warn_printk+0xf3/0xf3 [ 79.592104][ T147] ? __warn.cold+0x1a/0x44 [ 79.596609][ T147] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.602506][ T147] __warn.cold+0x35/0x44 [ 79.606767][ T147] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.612616][ T147] report_bug+0x1bd/0x210 [ 79.616962][ T147] handle_bug+0x3c/0x60 [ 79.621119][ T147] exc_invalid_op+0x14/0x40 [ 79.625624][ T147] asm_exc_invalid_op+0x12/0x20 [ 79.630590][ T147] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.636946][ T147] 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 00 a1 6e 8a e8 d8 67 8a 01 <0f> 0b e9 e5 00 00 00 e8 b9 8a 2a fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.656672][ T147] RSP: 0018:ffffc900010efbc0 EFLAGS: 00010286 [ 79.662763][ T147] RAX: 0000000000000000 RBX: ffff88814731ac00 RCX: 0000000000000000 [ 79.671900][ T147] RDX: ffff8880149f3880 RSI: ffffffff815cc9a5 RDI: fffff5200021df6a [ 79.680512][ T147] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.689974][ T147] R10: ffffffff815c680e R11: 0000000000000000 R12: ffff88802eef0f20 [ 79.698567][ T147] R13: 0000000000000000 R14: ffff888018cef600 R15: 0000000000000001 [ 79.706734][ T147] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.712655][ T147] ? vprintk+0x95/0x260 [ 79.717494][ T147] nf_unregister_net_hooks+0x117/0x160 [ 79.723481][ T147] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.729929][ T147] ? arptable_filter_net_exit+0x20/0x20 [ 79.735580][ T147] cleanup_net+0x451/0xb10 [ 79.740019][ T147] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.745401][ T147] process_one_work+0x98d/0x1600 [ 79.750433][ T147] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.755983][ T147] ? rwlock_bug.part.0+0x90/0x90 [ 79.762696][ T147] ? _raw_spin_lock_irq+0x41/0x50 [ 79.768607][ T147] worker_thread+0x64c/0x1120 [ 79.773295][ T147] ? process_one_work+0x1600/0x1600 [ 79.778525][ T147] kthread+0x3b1/0x4a0 [ 79.782685][ T147] ? __kthread_bind_mask+0xc0/0xc0 [ 79.787929][ T147] ret_from_fork+0x1f/0x30 [ 79.793837][ T147] Kernel Offset: disabled [ 79.798642][ T147] Rebooting in 86400 seconds..