Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts. 2021/05/04 21:47:29 fuzzer started 2021/05/04 21:47:29 connecting to host at 10.128.0.169:37083 2021/05/04 21:47:29 checking machine... 2021/05/04 21:47:29 checking revisions... 2021/05/04 21:47:29 testing simple program... syzkaller login: [ 76.187284][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 76.243026][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.252115][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.262421][ T8424] device bridge_slave_0 entered promiscuous mode [ 76.273865][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.282803][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.292899][ T8424] device bridge_slave_1 entered promiscuous mode [ 76.315678][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.327915][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.352990][ T8424] team0: Port device team_slave_0 added [ 76.361425][ T8424] team0: Port device team_slave_1 added [ 76.380451][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.388189][ T8424] 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. [ 76.417489][ T8424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.431747][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.439761][ T8424] 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. [ 76.466808][ T8424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.497032][ T8424] device hsr_slave_0 entered promiscuous mode [ 76.504268][ T8424] device hsr_slave_1 entered promiscuous mode [ 76.614495][ T8424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.631700][ T8424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.641875][ T8424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.653619][ T8424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.680856][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.688733][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.697250][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.705110][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.752858][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.769513][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.781358][ T3147] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.791869][ T3147] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.802319][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.817787][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.829392][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.839549][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.847146][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.860405][ T4843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.869317][ T4843] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.877224][ T4843] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.899495][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.915862][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.924742][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.937936][ T4843] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.952232][ T8424] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.966543][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.975015][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.998733][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.007586][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.021574][ T8424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.045888][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.066685][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.077855][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.086695][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.097939][ T8424] device veth0_vlan entered promiscuous mode [ 77.112310][ T8424] device veth1_vlan entered promiscuous mode [ 77.139344][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.150254][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.160432][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.171959][ T8424] device veth0_macvtap entered promiscuous mode [ 77.181347][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.192989][ T8424] device veth1_macvtap entered promiscuous mode [ 77.213742][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.222027][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.232788][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.247483][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.256486][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.267612][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.281465][ T8424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.291096][ T8424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.302625][ T8424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.312156][ T8424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.414912][ T129] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.423899][ T129] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 77.458501][ T4843] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.473558][ T129] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.483830][ T129] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.493545][ T4843] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 21:47:32 building call list... [ 78.122124][ T129] ------------[ cut here ]------------ [ 78.129141][ T129] hook not found, pf 3 num 0 [ 78.129773][ T129] WARNING: CPU: 1 PID: 129 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.149087][ T129] Modules linked in: [ 78.153122][ T129] CPU: 1 PID: 129 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.164432][ T129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.178100][ T129] Workqueue: netns cleanup_net [ 78.183199][ T129] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.194396][ T129] 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 [ 78.218225][ T129] RSP: 0018:ffffc9000137fbc0 EFLAGS: 00010286 [ 78.226028][ T129] RAX: 0000000000000000 RBX: ffff888023b42100 RCX: 0000000000000000 [ 78.234956][ T129] RDX: ffff888012953880 RSI: ffffffff815c8ba5 RDI: fffff5200026ff6a [ 78.246771][ T129] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.256585][ T129] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801d330f20 [ 78.268144][ T129] R13: 0000000000000000 R14: ffff888015346080 R15: 0000000000000001 [ 78.277398][ T129] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.290461][ T129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.298745][ T129] CR2: 00007f5b63a65000 CR3: 0000000026551000 CR4: 00000000001506e0 [ 78.312232][ T129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.322317][ T129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.333639][ T129] Call Trace: [ 78.338243][ T129] nf_unregister_net_hooks+0x117/0x160 [ 78.344204][ T129] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.353224][ T129] ? arptable_filter_net_exit+0x20/0x20 [ 78.359472][ T129] cleanup_net+0x451/0xb10 [ 78.365599][ T129] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.372428][ T129] process_one_work+0x98d/0x1600 [ 78.379602][ T129] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.389922][ T129] ? rwlock_bug.part.0+0x90/0x90 [ 78.398284][ T129] ? _raw_spin_lock_irq+0x41/0x50 [ 78.403565][ T129] worker_thread+0x64c/0x1120 [ 78.408839][ T129] ? process_one_work+0x1600/0x1600 [ 78.414601][ T129] kthread+0x3b1/0x4a0 [ 78.418896][ T129] ? __kthread_bind_mask+0xc0/0xc0 [ 78.424562][ T129] ret_from_fork+0x1f/0x30 [ 78.429528][ T129] Kernel panic - not syncing: panic_on_warn set ... [ 78.436430][ T129] CPU: 0 PID: 129 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.445154][ T129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.455629][ T129] Workqueue: netns cleanup_net [ 78.460791][ T129] Call Trace: [ 78.464094][ T129] dump_stack+0x141/0x1d7 [ 78.468701][ T129] panic+0x306/0x73d [ 78.472792][ T129] ? __warn_printk+0xf3/0xf3 [ 78.477771][ T129] ? __warn.cold+0x1a/0x44 [ 78.482553][ T129] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.493873][ T129] __warn.cold+0x35/0x44 [ 78.498228][ T129] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.504235][ T129] report_bug+0x1bd/0x210 [ 78.508945][ T129] handle_bug+0x3c/0x60 [ 78.513126][ T129] exc_invalid_op+0x14/0x40 [ 78.517997][ T129] asm_exc_invalid_op+0x12/0x20 [ 78.522972][ T129] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.529590][ T129] 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 [ 78.549761][ T129] RSP: 0018:ffffc9000137fbc0 EFLAGS: 00010286 [ 78.555947][ T129] RAX: 0000000000000000 RBX: ffff888023b42100 RCX: 0000000000000000 [ 78.564746][ T129] RDX: ffff888012953880 RSI: ffffffff815c8ba5 RDI: fffff5200026ff6a [ 78.572767][ T129] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.580849][ T129] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801d330f20 [ 78.589476][ T129] R13: 0000000000000000 R14: ffff888015346080 R15: 0000000000000001 [ 78.598198][ T129] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.604389][ T129] ? vprintk+0x95/0x260 [ 78.608632][ T129] nf_unregister_net_hooks+0x117/0x160 [ 78.614389][ T129] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.620537][ T129] ? arptable_filter_net_exit+0x20/0x20 [ 78.626380][ T129] cleanup_net+0x451/0xb10 [ 78.630825][ T129] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.636251][ T129] process_one_work+0x98d/0x1600 [ 78.641543][ T129] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.647220][ T129] ? rwlock_bug.part.0+0x90/0x90 [ 78.652175][ T129] ? _raw_spin_lock_irq+0x41/0x50 [ 78.657321][ T129] worker_thread+0x64c/0x1120 [ 78.662206][ T129] ? process_one_work+0x1600/0x1600 [ 78.667426][ T129] kthread+0x3b1/0x4a0 [ 78.671508][ T129] ? __kthread_bind_mask+0xc0/0xc0 [ 78.676722][ T129] ret_from_fork+0x1f/0x30 [ 78.683538][ T129] Kernel Offset: disabled [ 78.688387][ T129] Rebooting in 86400 seconds..