Warning: Permanently added '10.128.1.117' (ECDSA) to the list of known hosts. 2021/05/04 04:18:17 fuzzer started 2021/05/04 04:18:18 connecting to host at 10.128.0.169:44411 2021/05/04 04:18:18 checking machine... 2021/05/04 04:18:18 checking revisions... 2021/05/04 04:18:18 testing simple program... syzkaller login: [ 75.046288][ T8402] chnl_net:caif_netlink_parms(): no params data found [ 75.140308][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.150816][ T8402] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.160528][ T8402] device bridge_slave_0 entered promiscuous mode [ 75.170710][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.178961][ T8402] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.187372][ T8402] device bridge_slave_1 entered promiscuous mode [ 75.207770][ T8402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.220153][ T8402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.242882][ T8402] team0: Port device team_slave_0 added [ 75.250381][ T8402] team0: Port device team_slave_1 added [ 75.268297][ T8402] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.275655][ T8402] 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. [ 75.302760][ T8402] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.316594][ T8402] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.324723][ T8402] 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. [ 75.356746][ T8402] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.385946][ T8402] device hsr_slave_0 entered promiscuous mode [ 75.394838][ T8402] device hsr_slave_1 entered promiscuous mode [ 75.505066][ T8402] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.518536][ T8402] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.531481][ T8402] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.544203][ T8402] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.577182][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.584689][ T8402] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.593224][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.600413][ T8402] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.648666][ T8402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.663147][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.677384][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.687969][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.698204][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.713404][ T8402] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.727744][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.737204][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.744954][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.758585][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.767537][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.774706][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.796312][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.806059][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.820797][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.839627][ T8402] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.851365][ T8402] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.867142][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.876774][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.886800][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.906413][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.914420][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.929331][ T8402] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.953015][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.973076][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.981615][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.991543][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.002627][ T8402] device veth0_vlan entered promiscuous mode [ 76.015965][ T8402] device veth1_vlan entered promiscuous mode [ 76.025587][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.051419][ T8402] device veth0_macvtap entered promiscuous mode [ 76.059911][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.069772][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.080105][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.092011][ T8402] device veth1_macvtap entered promiscuous mode [ 76.110505][ T8402] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.126263][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.135784][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.145759][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.159297][ T8402] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.167875][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.177786][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.191534][ T8402] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.203723][ T8402] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.213151][ T8402] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.222987][ T8402] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.330598][ T103] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.347119][ T103] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 76.376970][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.395549][ T139] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.406558][ T139] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.418001][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 04:18:21 building call list... [ 77.078200][ T139] ------------[ cut here ]------------ [ 77.084389][ T139] hook not found, pf 3 num 0 [ 77.085140][ T139] WARNING: CPU: 0 PID: 139 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.104302][ T139] Modules linked in: [ 77.108368][ T139] CPU: 0 PID: 139 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 77.119300][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.130880][ T139] Workqueue: netns cleanup_net [ 77.137206][ T139] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.144720][ T139] 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 90 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.168103][ T139] RSP: 0018:ffffc90000ecfbc0 EFLAGS: 00010286 [ 77.175267][ T139] RAX: 0000000000000000 RBX: ffff8881472a3c00 RCX: 0000000000000000 [ 77.184945][ T139] RDX: ffff888012411c40 RSI: ffffffff815c8ba5 RDI: fffff520001d9f6a [ 77.194087][ T139] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.202861][ T139] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802dee8f20 [ 77.225041][ T139] R13: 0000000000000000 R14: ffff8880151d3b00 R15: 0000000000000001 [ 77.235231][ T139] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.247064][ T139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.255395][ T139] CR2: 00007ff9da5e7000 CR3: 0000000019c6c000 CR4: 00000000001506f0 [ 77.264811][ T139] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.274359][ T139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.283622][ T139] Call Trace: [ 77.287513][ T139] nf_unregister_net_hooks+0x117/0x160 [ 77.295049][ T139] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.301195][ T139] ? arptable_filter_net_exit+0x20/0x20 [ 77.308374][ T139] cleanup_net+0x451/0xb10 [ 77.318525][ T139] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.325136][ T139] process_one_work+0x98d/0x1600 [ 77.330834][ T139] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.337637][ T139] ? rwlock_bug.part.0+0x90/0x90 [ 77.343820][ T139] ? _raw_spin_lock_irq+0x41/0x50 [ 77.350897][ T139] worker_thread+0x64c/0x1120 [ 77.358156][ T139] ? process_one_work+0x1600/0x1600 [ 77.364735][ T139] kthread+0x3b1/0x4a0 [ 77.368939][ T139] ? __kthread_bind_mask+0xc0/0xc0 [ 77.377039][ T139] ret_from_fork+0x1f/0x30 [ 77.382568][ T139] Kernel panic - not syncing: panic_on_warn set ... [ 77.389311][ T139] CPU: 0 PID: 139 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 77.397675][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.408115][ T139] Workqueue: netns cleanup_net [ 77.413188][ T139] Call Trace: [ 77.416569][ T139] dump_stack+0x141/0x1d7 [ 77.421283][ T139] panic+0x306/0x73d [ 77.425205][ T139] ? __warn_printk+0xf3/0xf3 [ 77.429922][ T139] ? __warn.cold+0x1a/0x44 [ 77.434367][ T139] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.440469][ T139] __warn.cold+0x35/0x44 [ 77.444743][ T139] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.450495][ T139] report_bug+0x1bd/0x210 [ 77.455074][ T139] handle_bug+0x3c/0x60 [ 77.459440][ T139] exc_invalid_op+0x14/0x40 [ 77.464169][ T139] asm_exc_invalid_op+0x12/0x20 [ 77.469383][ T139] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.475875][ T139] 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 90 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.496234][ T139] RSP: 0018:ffffc90000ecfbc0 EFLAGS: 00010286 [ 77.502557][ T139] RAX: 0000000000000000 RBX: ffff8881472a3c00 RCX: 0000000000000000 [ 77.510643][ T139] RDX: ffff888012411c40 RSI: ffffffff815c8ba5 RDI: fffff520001d9f6a [ 77.518842][ T139] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.527301][ T139] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802dee8f20 [ 77.535510][ T139] R13: 0000000000000000 R14: ffff8880151d3b00 R15: 0000000000000001 [ 77.543548][ T139] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.548779][ T139] ? vprintk+0x95/0x260 [ 77.553720][ T139] nf_unregister_net_hooks+0x117/0x160 [ 77.559581][ T139] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.565898][ T139] ? arptable_filter_net_exit+0x20/0x20 [ 77.571478][ T139] cleanup_net+0x451/0xb10 [ 77.576574][ T139] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.581997][ T139] process_one_work+0x98d/0x1600 [ 77.587012][ T139] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.592518][ T139] ? rwlock_bug.part.0+0x90/0x90 [ 77.597593][ T139] ? _raw_spin_lock_irq+0x41/0x50 [ 77.602778][ T139] worker_thread+0x64c/0x1120 [ 77.607503][ T139] ? process_one_work+0x1600/0x1600 [ 77.612732][ T139] kthread+0x3b1/0x4a0 [ 77.616822][ T139] ? __kthread_bind_mask+0xc0/0xc0 [ 77.622049][ T139] ret_from_fork+0x1f/0x30 [ 77.628340][ T139] Kernel Offset: disabled [ 77.633130][ T139] Rebooting in 86400 seconds..