Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. 2021/05/06 20:42:31 fuzzer started 2021/05/06 20:42:32 connecting to host at 10.128.0.169:42723 2021/05/06 20:42:32 checking machine... 2021/05/06 20:42:32 checking revisions... 2021/05/06 20:42:32 testing simple program... syzkaller login: [ 54.911270][ T8397] chnl_net:caif_netlink_parms(): no params data found [ 54.964621][ T8397] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.973819][ T8397] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.982046][ T8397] device bridge_slave_0 entered promiscuous mode [ 54.991996][ T8397] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.000667][ T8397] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.011281][ T8397] device bridge_slave_1 entered promiscuous mode [ 55.035029][ T8397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.047227][ T8397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.071825][ T8397] team0: Port device team_slave_0 added [ 55.080747][ T8397] team0: Port device team_slave_1 added [ 55.098429][ T8397] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.105680][ T8397] 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. [ 55.134032][ T8397] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.148367][ T8397] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.156474][ T8397] 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. [ 55.184361][ T8397] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.210845][ T8397] device hsr_slave_0 entered promiscuous mode [ 55.217919][ T8397] device hsr_slave_1 entered promiscuous mode [ 55.323097][ T8397] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.336261][ T8397] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.346918][ T8397] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.357374][ T8397] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.385772][ T8397] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.393230][ T8397] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.401329][ T8397] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.409181][ T8397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.450114][ T8397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.466927][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.480556][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.490989][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.500691][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.515776][ T8397] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.527382][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.537955][ T8617] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.545534][ T8617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.558109][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.569245][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.580358][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.606111][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.615650][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.625817][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.636951][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.654578][ T8397] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.667155][ T8397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.677795][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.699454][ T8397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.707241][ T8619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.715727][ T8619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.735096][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.755246][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.765236][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.774594][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.786803][ T8397] device veth0_vlan entered promiscuous mode [ 55.800556][ T8397] device veth1_vlan entered promiscuous mode [ 55.825022][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.834844][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.845462][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.857129][ T8397] device veth0_macvtap entered promiscuous mode [ 55.871035][ T8397] device veth1_macvtap entered promiscuous mode [ 55.883838][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.900686][ T8397] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.911352][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.920475][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.933143][ T8397] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.941453][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.955562][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.969567][ T8397] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.979382][ T8397] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.989085][ T8397] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.998424][ T8397] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.079788][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.091674][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.121692][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.125439][ T8619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.135992][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.149732][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/06 20:42:35 building call list... [ 56.818503][ T25] ------------[ cut here ]------------ [ 56.833060][ T25] hook not found, pf 3 num 0 [ 56.833460][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x4ee/0x640 [ 56.865419][ T25] Modules linked in: [ 56.869580][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 56.878440][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.890596][ T25] Workqueue: netns cleanup_net [ 56.895983][ T25] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 56.903851][ T25] Code: c6 05 dd 3f 03 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 80 a9 59 8b 44 89 e6 31 c0 e8 a2 a8 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 56.930442][ T25] RSP: 0000:ffffc90000dffad8 EFLAGS: 00010246 [ 56.938296][ T25] RAX: 4e39e5adf0491e00 RBX: ffff888028829000 RCX: ffff8880165d3880 [ 56.948903][ T25] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.959013][ T25] RBP: ffff8880229a8f20 R08: ffffffff816522b2 R09: ffffed1017363f24 [ 56.970991][ T25] R10: ffffed1017363f24 R11: 0000000000000000 R12: 0000000000000003 [ 56.981074][ T25] R13: dffffc0000000000 R14: 1ffff11028e9e5c3 R15: ffff8880229a8000 [ 56.992023][ T25] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 57.004242][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.011223][ T25] CR2: 00007f7d88445000 CR3: 000000001e064000 CR4: 00000000001506e0 [ 57.021673][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.031000][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.040064][ T25] Call Trace: [ 57.044139][ T25] nf_unregister_net_hooks+0xe7/0x150 [ 57.049749][ T25] cleanup_net+0x608/0xc60 [ 57.075825][ T25] ? ops_free_list+0x380/0x380 [ 57.081145][ T25] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.093146][ T25] process_one_work+0x833/0x10c0 [ 57.112672][ T25] ? worker_detach_from_pool+0x260/0x260 [ 57.118919][ T25] ? _raw_spin_lock_irqsave+0x100/0x100 [ 57.132335][ T25] ? kthread_data+0x4d/0xc0 [ 57.137063][ T25] ? wq_worker_running+0x8b/0x140 [ 57.156433][ T25] worker_thread+0xac1/0x1300 [ 57.161726][ T25] ? rcu_lock_release+0x20/0x20 [ 57.169208][ T25] kthread+0x39a/0x3c0 [ 57.175799][ T25] ? rcu_lock_release+0x20/0x20 [ 57.181086][ T25] ? kthread_blkcg+0xd0/0xd0 [ 57.187650][ T25] ret_from_fork+0x1f/0x30 [ 57.194790][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 57.201399][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 57.209481][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.219643][ T25] Workqueue: netns cleanup_net [ 57.224515][ T25] Call Trace: [ 57.227799][ T25] dump_stack+0x202/0x31e [ 57.232146][ T25] ? show_regs_print_info+0x12/0x12 [ 57.237622][ T25] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 57.243909][ T25] ? preempt_count_add+0x66/0x130 [ 57.249312][ T25] panic+0x2e1/0x850 [ 57.253486][ T25] ? __warn+0x13e/0x270 [ 57.257645][ T25] ? nmi_panic+0x90/0x90 [ 57.261902][ T25] ? ret_from_fork+0x1f/0x30 [ 57.266503][ T25] __warn+0x26a/0x270 [ 57.270935][ T25] ? __nf_unregister_net_hook+0x4ee/0x640 [ 57.277156][ T25] ? __nf_unregister_net_hook+0x4ee/0x640 [ 57.283187][ T25] report_bug+0x1b1/0x2e0 [ 57.287708][ T25] handle_bug+0x3d/0x70 [ 57.291894][ T25] exc_invalid_op+0x16/0x40 [ 57.296581][ T25] asm_exc_invalid_op+0x12/0x20 [ 57.301798][ T25] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 57.308382][ T25] Code: c6 05 dd 3f 03 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 80 a9 59 8b 44 89 e6 31 c0 e8 a2 a8 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 57.328529][ T25] RSP: 0000:ffffc90000dffad8 EFLAGS: 00010246 [ 57.334887][ T25] RAX: 4e39e5adf0491e00 RBX: ffff888028829000 RCX: ffff8880165d3880 [ 57.343744][ T25] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.352247][ T25] RBP: ffff8880229a8f20 R08: ffffffff816522b2 R09: ffffed1017363f24 [ 57.360813][ T25] R10: ffffed1017363f24 R11: 0000000000000000 R12: 0000000000000003 [ 57.369062][ T25] R13: dffffc0000000000 R14: 1ffff11028e9e5c3 R15: ffff8880229a8000 [ 57.377917][ T25] ? wake_up_klogd+0xb2/0xf0 [ 57.382599][ T25] ? __nf_unregister_net_hook+0x4ee/0x640 [ 57.388559][ T25] nf_unregister_net_hooks+0xe7/0x150 [ 57.394209][ T25] cleanup_net+0x608/0xc60 [ 57.399222][ T25] ? ops_free_list+0x380/0x380 [ 57.404432][ T25] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.409809][ T25] process_one_work+0x833/0x10c0 [ 57.415022][ T25] ? worker_detach_from_pool+0x260/0x260 [ 57.421011][ T25] ? _raw_spin_lock_irqsave+0x100/0x100 [ 57.426557][ T25] ? kthread_data+0x4d/0xc0 [ 57.431247][ T25] ? wq_worker_running+0x8b/0x140 [ 57.436720][ T25] worker_thread+0xac1/0x1300 [ 57.441443][ T25] ? rcu_lock_release+0x20/0x20 [ 57.446508][ T25] kthread+0x39a/0x3c0 [ 57.451009][ T25] ? rcu_lock_release+0x20/0x20 [ 57.456105][ T25] ? kthread_blkcg+0xd0/0xd0 [ 57.460770][ T25] ret_from_fork+0x1f/0x30 [ 57.467174][ T25] Kernel Offset: disabled [ 57.472271][ T25] Rebooting in 86400 seconds..