Warning: Permanently added '10.128.1.82' (ECDSA) to the list of known hosts. 2021/05/05 00:30:27 fuzzer started 2021/05/05 00:30:27 connecting to host at 10.128.0.169:41229 2021/05/05 00:30:27 checking machine... 2021/05/05 00:30:27 checking revisions... 2021/05/05 00:30:27 testing simple program... syzkaller login: [ 76.486252][ T8412] chnl_net:caif_netlink_parms(): no params data found [ 76.555136][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.563045][ T8412] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.573357][ T8412] device bridge_slave_0 entered promiscuous mode [ 76.585657][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.593907][ T8412] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.602690][ T8412] device bridge_slave_1 entered promiscuous mode [ 76.623600][ T8412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.635101][ T8412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.659262][ T8412] team0: Port device team_slave_0 added [ 76.667382][ T8412] team0: Port device team_slave_1 added [ 76.686936][ T8412] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.694274][ T8412] 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. [ 76.722225][ T8412] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.736778][ T8412] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.746197][ T8412] 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. [ 76.775490][ T8412] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.803181][ T8412] device hsr_slave_0 entered promiscuous mode [ 76.812136][ T8412] device hsr_slave_1 entered promiscuous mode [ 76.921189][ T8412] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.935256][ T8412] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.945050][ T8412] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.958588][ T8412] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.986139][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.993930][ T8412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.002647][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.009947][ T8412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.056255][ T8412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.073404][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.085256][ T3962] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.094985][ T3962] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.104338][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.118168][ T8412] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.130031][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.141114][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.148663][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.172156][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.182096][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.189736][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.199288][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.222670][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.231758][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.241549][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.249832][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.262146][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.284027][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.292342][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.306946][ T8412] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.330163][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.354167][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.363979][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.372862][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.384459][ T8412] device veth0_vlan entered promiscuous mode [ 77.398224][ T8412] device veth1_vlan entered promiscuous mode [ 77.422349][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.432024][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.441753][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.456081][ T8412] device veth0_macvtap entered promiscuous mode [ 77.468514][ T8412] device veth1_macvtap entered promiscuous mode [ 77.482256][ T3962] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.498498][ T8412] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.507612][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.517353][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.530485][ T8412] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.540782][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.551159][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.563359][ T8412] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.572878][ T8412] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.582361][ T8412] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.596396][ T8412] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.697891][ T185] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.728088][ T185] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 77.741224][ T4856] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.752234][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.761718][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.773246][ T4856] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/05 00:30:30 building call list... [ 78.462335][ T9] ------------[ cut here ]------------ [ 78.468498][ T9] hook not found, pf 3 num 0 [ 78.469331][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.494276][ T9] Modules linked in: [ 78.498233][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 78.509605][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.520462][ T9] Workqueue: netns cleanup_net [ 78.525300][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.532535][ T9] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.556459][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 78.562947][ T9] RAX: 0000000000000000 RBX: ffff88814a1f4e00 RCX: 0000000000000000 [ 78.572087][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 78.580622][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.588854][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801c6d0f20 [ 78.597664][ T9] R13: 0000000000000000 R14: ffff888018aed280 R15: 0000000000000001 [ 78.607189][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 78.618227][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.625191][ T9] CR2: 000000c000a00000 CR3: 0000000024fc3000 CR4: 00000000001506f0 [ 78.646165][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.654665][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.664760][ T9] Call Trace: [ 78.668214][ T9] nf_unregister_net_hooks+0x117/0x160 [ 78.674101][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.682394][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 78.688073][ T9] cleanup_net+0x451/0xb10 [ 78.692927][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.698650][ T9] process_one_work+0x98d/0x1600 [ 78.704415][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.709930][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 78.719490][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 78.724890][ T9] worker_thread+0x64c/0x1120 [ 78.730060][ T9] ? process_one_work+0x1600/0x1600 [ 78.735752][ T9] kthread+0x3b1/0x4a0 [ 78.739890][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 78.745448][ T9] ret_from_fork+0x1f/0x30 [ 78.750004][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 78.756873][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 78.765138][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.775554][ T9] Workqueue: netns cleanup_net [ 78.780343][ T9] Call Trace: [ 78.783803][ T9] dump_stack+0x141/0x1d7 [ 78.788460][ T9] panic+0x306/0x73d [ 78.792458][ T9] ? __warn_printk+0xf3/0xf3 [ 78.797090][ T9] ? __warn.cold+0x1a/0x44 [ 78.801537][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.807512][ T9] __warn.cold+0x35/0x44 [ 78.811904][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.817835][ T9] report_bug+0x1bd/0x210 [ 78.822280][ T9] handle_bug+0x3c/0x60 [ 78.826592][ T9] exc_invalid_op+0x14/0x40 [ 78.831382][ T9] asm_exc_invalid_op+0x12/0x20 [ 78.836443][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.842991][ T9] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.863117][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 78.869431][ T9] RAX: 0000000000000000 RBX: ffff88814a1f4e00 RCX: 0000000000000000 [ 78.877564][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 78.886075][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.894765][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801c6d0f20 [ 78.902977][ T9] R13: 0000000000000000 R14: ffff888018aed280 R15: 0000000000000001 [ 78.911240][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.916471][ T9] ? vprintk+0x95/0x260 [ 78.920879][ T9] nf_unregister_net_hooks+0x117/0x160 [ 78.926366][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.932562][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 78.938399][ T9] cleanup_net+0x451/0xb10 [ 78.943110][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.948717][ T9] process_one_work+0x98d/0x1600 [ 78.953902][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.959689][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 78.964749][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 78.969912][ T9] worker_thread+0x64c/0x1120 [ 78.974782][ T9] ? process_one_work+0x1600/0x1600 [ 78.980028][ T9] kthread+0x3b1/0x4a0 [ 78.984140][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 78.989627][ T9] ret_from_fork+0x1f/0x30 [ 78.996395][ T9] Kernel Offset: disabled [ 79.001146][ T9] Rebooting in 86400 seconds..