Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts. 2021/05/04 05:29:15 fuzzer started 2021/05/04 05:29:15 connecting to host at 10.128.0.169:33651 2021/05/04 05:29:15 checking machine... 2021/05/04 05:29:15 checking revisions... 2021/05/04 05:29:15 testing simple program... syzkaller login: [ 71.410554][ T8420] chnl_net:caif_netlink_parms(): no params data found [ 71.463855][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.472071][ T8420] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.481275][ T8420] device bridge_slave_0 entered promiscuous mode [ 71.491615][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.500475][ T8420] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.508908][ T8420] device bridge_slave_1 entered promiscuous mode [ 71.529902][ T8420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.541116][ T8420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.563684][ T8420] team0: Port device team_slave_0 added [ 71.571873][ T8420] team0: Port device team_slave_1 added [ 71.589436][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.596695][ T8420] 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. [ 71.624173][ T8420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.637967][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.646013][ T8420] 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. [ 71.672138][ T8420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.699158][ T8420] device hsr_slave_0 entered promiscuous mode [ 71.707078][ T8420] device hsr_slave_1 entered promiscuous mode [ 71.818366][ T8420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.829175][ T8420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.839487][ T8420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.851348][ T8420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.879042][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.886403][ T8420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.894340][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.901612][ T8420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.947050][ T8420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.963747][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.979525][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.989723][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.999588][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.013508][ T8420] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.027530][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.036199][ T4825] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.043817][ T4825] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.058257][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.067599][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.074873][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.095875][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.110198][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.118493][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.136399][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.146353][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.158826][ T8420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.177020][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.184627][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.199192][ T8420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.218877][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.239348][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.249065][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.258294][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.269047][ T8420] device veth0_vlan entered promiscuous mode [ 72.282611][ T8420] device veth1_vlan entered promiscuous mode [ 72.306278][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.314325][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.323964][ T4825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.336532][ T8420] device veth0_macvtap entered promiscuous mode [ 72.347739][ T8420] device veth1_macvtap entered promiscuous mode [ 72.366712][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.374354][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.386372][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.399805][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.408279][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.417943][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.431261][ T8420] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.440421][ T8420] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.449357][ T8420] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.458477][ T8420] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.573579][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.596947][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.608552][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.626643][ T378] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.634655][ T378] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.647232][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/04 05:29:18 building call list... [ 73.370764][ T450] ------------[ cut here ]------------ [ 73.380514][ T450] hook not found, pf 3 num 0 [ 73.381155][ T450] WARNING: CPU: 0 PID: 450 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 73.401732][ T450] Modules linked in: [ 73.408241][ T450] CPU: 0 PID: 450 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 73.418849][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.429872][ T450] Workqueue: netns cleanup_net [ 73.436996][ T450] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 73.443465][ T450] 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 78 6d 8a e8 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 73.465426][ T450] RSP: 0018:ffffc9000257fbc0 EFLAGS: 00010286 [ 73.471626][ T450] RAX: 0000000000000000 RBX: ffff8881475a3e00 RCX: 0000000000000000 [ 73.487968][ T450] RDX: ffff888012e20000 RSI: ffffffff815c8ba5 RDI: fffff520004aff6a [ 73.496310][ T450] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 73.504310][ T450] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802e380f20 [ 73.514002][ T450] R13: 0000000000000000 R14: ffff88801351b300 R15: 0000000000000001 [ 73.522583][ T450] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.533853][ T450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.540970][ T450] CR2: 00005631f53e91ef CR3: 00000000227d3000 CR4: 00000000001506f0 [ 73.551783][ T450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.562928][ T450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.572547][ T450] Call Trace: [ 73.576267][ T450] nf_unregister_net_hooks+0x117/0x160 [ 73.581766][ T450] arpt_unregister_table_pre_exit+0x67/0x80 [ 73.589384][ T450] ? arptable_filter_net_exit+0x20/0x20 [ 73.595734][ T450] cleanup_net+0x451/0xb10 [ 73.600198][ T450] ? ops_free_list.part.0+0x3d0/0x3d0 [ 73.607307][ T450] process_one_work+0x98d/0x1600 [ 73.612389][ T450] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.618221][ T450] ? rwlock_bug.part.0+0x90/0x90 [ 73.623280][ T450] ? _raw_spin_lock_irq+0x41/0x50 [ 73.630872][ T450] worker_thread+0x64c/0x1120 [ 73.637479][ T450] ? __kthread_parkme+0x13f/0x1e0 [ 73.642554][ T450] ? process_one_work+0x1600/0x1600 [ 73.650440][ T450] kthread+0x3b1/0x4a0 [ 73.656289][ T450] ? __kthread_bind_mask+0xc0/0xc0 [ 73.661454][ T450] ret_from_fork+0x1f/0x30 [ 73.669500][ T450] Kernel panic - not syncing: panic_on_warn set ... [ 73.676114][ T450] CPU: 0 PID: 450 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 73.684201][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.694266][ T450] Workqueue: netns cleanup_net [ 73.699056][ T450] Call Trace: [ 73.702346][ T450] dump_stack+0x141/0x1d7 [ 73.706703][ T450] panic+0x306/0x73d [ 73.710622][ T450] ? __warn_printk+0xf3/0xf3 [ 73.715244][ T450] ? __warn.cold+0x1a/0x44 [ 73.719688][ T450] ? __nf_unregister_net_hook+0x1eb/0x610 [ 73.725516][ T450] __warn.cold+0x35/0x44 [ 73.729782][ T450] ? __nf_unregister_net_hook+0x1eb/0x610 [ 73.735525][ T450] report_bug+0x1bd/0x210 [ 73.739880][ T450] handle_bug+0x3c/0x60 [ 73.744235][ T450] exc_invalid_op+0x14/0x40 [ 73.748755][ T450] asm_exc_invalid_op+0x12/0x20 [ 73.753622][ T450] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 73.759966][ T450] 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 78 6d 8a e8 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 73.779594][ T450] RSP: 0018:ffffc9000257fbc0 EFLAGS: 00010286 [ 73.785677][ T450] RAX: 0000000000000000 RBX: ffff8881475a3e00 RCX: 0000000000000000 [ 73.793659][ T450] RDX: ffff888012e20000 RSI: ffffffff815c8ba5 RDI: fffff520004aff6a [ 73.801648][ T450] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 73.809663][ T450] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802e380f20 [ 73.817646][ T450] R13: 0000000000000000 R14: ffff88801351b300 R15: 0000000000000001 [ 73.825642][ T450] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.830872][ T450] ? vprintk+0x95/0x260 [ 73.835058][ T450] nf_unregister_net_hooks+0x117/0x160 [ 73.840537][ T450] arpt_unregister_table_pre_exit+0x67/0x80 [ 73.846451][ T450] ? arptable_filter_net_exit+0x20/0x20 [ 73.852017][ T450] cleanup_net+0x451/0xb10 [ 73.856477][ T450] ? ops_free_list.part.0+0x3d0/0x3d0 [ 73.861888][ T450] process_one_work+0x98d/0x1600 [ 73.866869][ T450] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.872267][ T450] ? rwlock_bug.part.0+0x90/0x90 [ 73.877227][ T450] ? _raw_spin_lock_irq+0x41/0x50 [ 73.882282][ T450] worker_thread+0x64c/0x1120 [ 73.886998][ T450] ? __kthread_parkme+0x13f/0x1e0 [ 73.892091][ T450] ? process_one_work+0x1600/0x1600 [ 73.897335][ T450] kthread+0x3b1/0x4a0 [ 73.901435][ T450] ? __kthread_bind_mask+0xc0/0xc0 [ 73.906582][ T450] ret_from_fork+0x1f/0x30 [ 73.912455][ T450] Kernel Offset: disabled [ 73.916918][ T450] Rebooting in 86400 seconds..