Warning: Permanently added '10.128.0.156' (ECDSA) to the list of known hosts. 2021/05/03 15:19:16 fuzzer started 2021/05/03 15:19:16 connecting to host at 10.128.0.169:33135 2021/05/03 15:19:16 checking machine... 2021/05/03 15:19:16 checking revisions... 2021/05/03 15:19:16 testing simple program... syzkaller login: [ 77.462884][ T8393] chnl_net:caif_netlink_parms(): no params data found [ 77.551256][ T8393] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.559999][ T8393] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.570296][ T8393] device bridge_slave_0 entered promiscuous mode [ 77.581362][ T8393] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.590498][ T8393] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.600144][ T8393] device bridge_slave_1 entered promiscuous mode [ 77.625729][ T8393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.638632][ T8393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.666895][ T8393] team0: Port device team_slave_0 added [ 77.676705][ T8393] team0: Port device team_slave_1 added [ 77.695637][ T8393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.703918][ T8393] 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. [ 77.736389][ T8393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.750855][ T8393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.760022][ T8393] 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. [ 77.792089][ T8393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.820371][ T8393] device hsr_slave_0 entered promiscuous mode [ 77.828026][ T8393] device hsr_slave_1 entered promiscuous mode [ 77.933110][ T8393] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.946717][ T8393] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.959505][ T8393] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.972995][ T8393] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.002617][ T8393] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.010953][ T8393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.020266][ T8393] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.028506][ T8393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.079207][ T8393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.095811][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.109424][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.119528][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.128579][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.142196][ T8393] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.156110][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.165586][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.172898][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.188720][ T8614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.197908][ T8614] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.205578][ T8614] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.228344][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.237722][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.252477][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.271816][ T8393] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.283964][ T8393] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.299781][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.309646][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.320013][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.339289][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.349914][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.366135][ T8393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.388323][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.411022][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.421329][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.430672][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.442718][ T8393] device veth0_vlan entered promiscuous mode [ 78.458463][ T8393] device veth1_vlan entered promiscuous mode [ 78.482808][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.493909][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.506506][ T8393] device veth0_macvtap entered promiscuous mode [ 78.518876][ T8393] device veth1_macvtap entered promiscuous mode [ 78.537622][ T8393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.546452][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.556000][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.565980][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.575609][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.589557][ T8393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.599516][ T4855] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.609283][ T4855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.622177][ T8393] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.632173][ T8393] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.643728][ T8393] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.653381][ T8393] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.739238][ T221] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.779786][ T221] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.788148][ T160] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.799447][ T160] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.810883][ T4855] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.836781][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/03 15:19:19 building call list... [ 79.560142][ T160] ------------[ cut here ]------------ [ 79.572661][ T160] hook not found, pf 3 num 0 [ 79.574303][ T160] WARNING: CPU: 0 PID: 160 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.590814][ T160] Modules linked in: [ 79.596626][ T160] CPU: 0 PID: 160 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.619427][ T160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.630965][ T160] Workqueue: netns cleanup_net [ 79.638538][ T160] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.646242][ T160] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.670227][ T160] RSP: 0018:ffffc9000153fbc0 EFLAGS: 00010286 [ 79.677129][ T160] RAX: 0000000000000000 RBX: ffff8881471bf700 RCX: 0000000000000000 [ 79.689235][ T160] RDX: ffff888012613880 RSI: ffffffff815c8ba5 RDI: fffff520002a7f6a [ 79.698859][ T160] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.709870][ T160] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802bde8f20 [ 79.720262][ T160] R13: 0000000000000000 R14: ffff88801474be80 R15: 0000000000000001 [ 79.731622][ T160] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.741725][ T160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.751988][ T160] CR2: 00007fe1d7cf6000 CR3: 000000001dd70000 CR4: 00000000001506f0 [ 79.761133][ T160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.774758][ T160] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.784090][ T160] Call Trace: [ 79.788403][ T160] nf_unregister_net_hooks+0x117/0x160 [ 79.796976][ T160] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.804392][ T160] ? arptable_filter_net_exit+0x20/0x20 [ 79.810523][ T160] cleanup_net+0x451/0xb10 [ 79.818593][ T160] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.826036][ T160] process_one_work+0x98d/0x1600 [ 79.831392][ T160] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.839627][ T160] ? rwlock_bug.part.0+0x90/0x90 [ 79.849582][ T160] ? _raw_spin_lock_irq+0x41/0x50 [ 79.857072][ T160] worker_thread+0x64c/0x1120 [ 79.862079][ T160] ? process_one_work+0x1600/0x1600 [ 79.869104][ T160] kthread+0x3b1/0x4a0 [ 79.873217][ T160] ? __kthread_bind_mask+0xc0/0xc0 [ 79.882130][ T160] ret_from_fork+0x1f/0x30 [ 79.887938][ T160] Kernel panic - not syncing: panic_on_warn set ... [ 79.894992][ T160] CPU: 0 PID: 160 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.904113][ T160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.914839][ T160] Workqueue: netns cleanup_net [ 79.920203][ T160] Call Trace: [ 79.923596][ T160] dump_stack+0x141/0x1d7 [ 79.928381][ T160] panic+0x306/0x73d [ 79.932571][ T160] ? __warn_printk+0xf3/0xf3 [ 79.937391][ T160] ? __warn.cold+0x1a/0x44 [ 79.942088][ T160] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.948176][ T160] __warn.cold+0x35/0x44 [ 79.952793][ T160] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.959169][ T160] report_bug+0x1bd/0x210 [ 79.963618][ T160] handle_bug+0x3c/0x60 [ 79.968105][ T160] exc_invalid_op+0x14/0x40 [ 79.972716][ T160] asm_exc_invalid_op+0x12/0x20 [ 79.977675][ T160] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.984268][ T160] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.006166][ T160] RSP: 0018:ffffc9000153fbc0 EFLAGS: 00010286 [ 80.012596][ T160] RAX: 0000000000000000 RBX: ffff8881471bf700 RCX: 0000000000000000 [ 80.021461][ T160] RDX: ffff888012613880 RSI: ffffffff815c8ba5 RDI: fffff520002a7f6a [ 80.029714][ T160] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.039117][ T160] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802bde8f20 [ 80.047494][ T160] R13: 0000000000000000 R14: ffff88801474be80 R15: 0000000000000001 [ 80.056636][ T160] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.062181][ T160] ? vprintk+0x95/0x260 [ 80.067085][ T160] nf_unregister_net_hooks+0x117/0x160 [ 80.073220][ T160] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.079903][ T160] ? arptable_filter_net_exit+0x20/0x20 [ 80.085736][ T160] cleanup_net+0x451/0xb10 [ 80.090738][ T160] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.098052][ T160] process_one_work+0x98d/0x1600 [ 80.103855][ T160] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.110179][ T160] ? rwlock_bug.part.0+0x90/0x90 [ 80.115855][ T160] ? _raw_spin_lock_irq+0x41/0x50 [ 80.121191][ T160] worker_thread+0x64c/0x1120 [ 80.126207][ T160] ? process_one_work+0x1600/0x1600 [ 80.131608][ T160] kthread+0x3b1/0x4a0 [ 80.135776][ T160] ? __kthread_bind_mask+0xc0/0xc0 [ 80.141083][ T160] ret_from_fork+0x1f/0x30 [ 80.147425][ T160] Kernel Offset: disabled [ 80.152697][ T160] Rebooting in 86400 seconds..