Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2021/04/29 20:44:33 fuzzer started 2021/04/29 20:44:33 connecting to host at 10.128.0.169:33613 2021/04/29 20:44:33 checking machine... 2021/04/29 20:44:33 checking revisions... 2021/04/29 20:44:33 testing simple program... syzkaller login: [ 79.322940][ T8429] chnl_net:caif_netlink_parms(): no params data found [ 79.382333][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.392232][ T8429] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.401626][ T8429] device bridge_slave_0 entered promiscuous mode [ 79.412090][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.420829][ T8429] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.430639][ T8429] device bridge_slave_1 entered promiscuous mode [ 79.451872][ T8429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.463699][ T8429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.489005][ T8429] team0: Port device team_slave_0 added [ 79.497590][ T8429] team0: Port device team_slave_1 added [ 79.515146][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.522423][ T8429] 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. [ 79.549992][ T8429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.563193][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.571454][ T8429] 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. [ 79.599707][ T8429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.627589][ T8429] device hsr_slave_0 entered promiscuous mode [ 79.635444][ T8429] device hsr_slave_1 entered promiscuous mode [ 79.743874][ T8429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.756869][ T8429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.773050][ T8429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.784629][ T8429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.813669][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.822047][ T8429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.831163][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.838803][ T8429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.886007][ T8429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.901870][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.916296][ T6351] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.926981][ T6351] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.936034][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.951835][ T8429] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.963790][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.973927][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.981673][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.994898][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.008138][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.015983][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.040775][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.050568][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.064175][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.073678][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.088025][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.102099][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.122851][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.131443][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.147560][ T8429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.168507][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.201579][ T4826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.213207][ T4826] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.222220][ T4826] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.235761][ T8429] device veth0_vlan entered promiscuous mode [ 80.251639][ T8429] device veth1_vlan entered promiscuous mode [ 80.279387][ T4826] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.288274][ T4826] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.326374][ T8429] device veth0_macvtap entered promiscuous mode [ 80.335275][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.350618][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.363883][ T6351] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.375676][ T8429] device veth1_macvtap entered promiscuous mode [ 80.401155][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.417809][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.426991][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.436549][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.446603][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.456592][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.466403][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.480833][ T8429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.490439][ T8429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.505604][ T8429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.517747][ T8429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 80.607996][ T525] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.633450][ T525] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.646490][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.676264][ T525] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.687057][ T525] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.702137][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/29 20:44:36 building call list... [ 81.349649][ T525] ------------[ cut here ]------------ [ 81.360752][ T525] hook not found, pf 3 num 0 [ 81.361406][ T525] WARNING: CPU: 1 PID: 525 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 81.381625][ T525] Modules linked in: [ 81.386018][ T525] CPU: 1 PID: 525 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 81.395728][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.407077][ T525] Workqueue: netns cleanup_net [ 81.412861][ T525] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.420297][ T525] 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 [ 81.441553][ T525] RSP: 0018:ffffc900029efbc0 EFLAGS: 00010286 [ 81.447988][ T525] RAX: 0000000000000000 RBX: ffff888021b1c200 RCX: 0000000000000000 [ 81.457433][ T525] RDX: ffff888012fb8000 RSI: ffffffff815c8ba5 RDI: fffff5200053df6a [ 81.477199][ T525] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.486413][ T525] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802d4d8f20 [ 81.495349][ T525] R13: 0000000000000000 R14: ffff88801c468d00 R15: 0000000000000001 [ 81.504128][ T525] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 81.516546][ T525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.523988][ T525] CR2: 000000c000800000 CR3: 000000001d04f000 CR4: 00000000001506e0 [ 81.533748][ T525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.542562][ T525] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.551303][ T525] Call Trace: [ 81.554792][ T525] nf_unregister_net_hooks+0x117/0x160 [ 81.560842][ T525] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.567039][ T525] ? arptable_filter_net_exit+0x20/0x20 [ 81.573639][ T525] cleanup_net+0x451/0xb10 [ 81.578432][ T525] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.585103][ T525] process_one_work+0x98d/0x1600 [ 81.592722][ T525] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.599353][ T525] ? rwlock_bug.part.0+0x90/0x90 [ 81.604614][ T525] ? _raw_spin_lock_irq+0x41/0x50 [ 81.614968][ T525] worker_thread+0x64c/0x1120 [ 81.620845][ T525] ? __kthread_parkme+0x13f/0x1e0 [ 81.626241][ T525] ? process_one_work+0x1600/0x1600 [ 81.633862][ T525] kthread+0x3b1/0x4a0 [ 81.638026][ T525] ? __kthread_bind_mask+0xc0/0xc0 [ 81.644977][ T525] ret_from_fork+0x1f/0x30 [ 81.652498][ T525] Kernel panic - not syncing: panic_on_warn set ... [ 81.659228][ T525] CPU: 1 PID: 525 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 81.667748][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.678173][ T525] Workqueue: netns cleanup_net [ 81.683047][ T525] Call Trace: [ 81.686333][ T525] dump_stack+0x141/0x1d7 [ 81.690682][ T525] panic+0x306/0x73d [ 81.695509][ T525] ? __warn_printk+0xf3/0xf3 [ 81.700401][ T525] ? __warn.cold+0x1a/0x44 [ 81.705021][ T525] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.710936][ T525] __warn.cold+0x35/0x44 [ 81.715640][ T525] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.721835][ T525] report_bug+0x1bd/0x210 [ 81.726212][ T525] handle_bug+0x3c/0x60 [ 81.731997][ T525] exc_invalid_op+0x14/0x40 [ 81.736701][ T525] asm_exc_invalid_op+0x12/0x20 [ 81.742518][ T525] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.749126][ T525] 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 [ 81.769269][ T525] RSP: 0018:ffffc900029efbc0 EFLAGS: 00010286 [ 81.775965][ T525] RAX: 0000000000000000 RBX: ffff888021b1c200 RCX: 0000000000000000 [ 81.784531][ T525] RDX: ffff888012fb8000 RSI: ffffffff815c8ba5 RDI: fffff5200053df6a [ 81.792795][ T525] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.801194][ T525] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802d4d8f20 [ 81.809520][ T525] R13: 0000000000000000 R14: ffff88801c468d00 R15: 0000000000000001 [ 81.817769][ T525] ? wake_up_klogd.part.0+0x8e/0xd0 [ 81.823769][ T525] ? vprintk+0x95/0x260 [ 81.828047][ T525] nf_unregister_net_hooks+0x117/0x160 [ 81.833524][ T525] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.839524][ T525] ? arptable_filter_net_exit+0x20/0x20 [ 81.845476][ T525] cleanup_net+0x451/0xb10 [ 81.850012][ T525] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.855750][ T525] process_one_work+0x98d/0x1600 [ 81.860828][ T525] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.866381][ T525] ? rwlock_bug.part.0+0x90/0x90 [ 81.871427][ T525] ? _raw_spin_lock_irq+0x41/0x50 [ 81.876479][ T525] worker_thread+0x64c/0x1120 [ 81.881534][ T525] ? __kthread_parkme+0x13f/0x1e0 [ 81.886938][ T525] ? process_one_work+0x1600/0x1600 [ 81.892369][ T525] kthread+0x3b1/0x4a0 [ 81.896546][ T525] ? __kthread_bind_mask+0xc0/0xc0 [ 81.901862][ T525] ret_from_fork+0x1f/0x30 [ 81.908530][ T525] Kernel Offset: disabled [ 81.913184][ T525] Rebooting in 86400 seconds..