Warning: Permanently added '10.128.1.111' (ECDSA) to the list of known hosts. 2021/04/27 22:52:26 fuzzer started 2021/04/27 22:52:26 connecting to host at 10.128.0.169:35329 2021/04/27 22:52:26 checking machine... 2021/04/27 22:52:26 checking revisions... 2021/04/27 22:52:26 testing simple program... syzkaller login: [ 70.002259][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 70.091844][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.101002][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.109430][ T8414] device bridge_slave_0 entered promiscuous mode [ 70.120988][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.128413][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.138506][ T8414] device bridge_slave_1 entered promiscuous mode [ 70.161467][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.173366][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.196811][ T8414] team0: Port device team_slave_0 added [ 70.204771][ T8414] team0: Port device team_slave_1 added [ 70.223347][ T8414] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.230602][ T8414] 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. [ 70.257596][ T8414] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.271486][ T8414] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.279559][ T8414] 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. [ 70.307022][ T8414] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.335258][ T8414] device hsr_slave_0 entered promiscuous mode [ 70.343664][ T8414] device hsr_slave_1 entered promiscuous mode [ 70.454260][ T8414] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.465810][ T8414] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.483233][ T8414] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.494387][ T8414] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.521677][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.529698][ T8414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.538456][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.545889][ T8414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.594229][ T8414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.608588][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.621303][ T4836] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.631970][ T4836] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.644302][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.658254][ T8414] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.671931][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.681776][ T2937] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.689290][ T2937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.704121][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.713036][ T2937] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.720523][ T2937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.741099][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.749913][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.763478][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.780334][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.789327][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.802332][ T8414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.825971][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.834030][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.851289][ T8414] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.873129][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.894864][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.904912][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.914279][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.926067][ T8414] device veth0_vlan entered promiscuous mode [ 70.939095][ T8414] device veth1_vlan entered promiscuous mode [ 70.966095][ T8414] device veth0_macvtap entered promiscuous mode [ 70.976165][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.986306][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.995085][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.004647][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.016923][ T8414] device veth1_macvtap entered promiscuous mode [ 71.035550][ T8414] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.043599][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.053179][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.065931][ T8414] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.076162][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.085237][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.097940][ T8414] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.108888][ T8414] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.118044][ T8414] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.127028][ T8414] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.219218][ T365] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.256656][ T365] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.268547][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.268569][ T4836] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.291015][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.305456][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/27 22:52:29 building call list... executing program [ 72.033832][ T9] ------------[ cut here ]------------ [ 72.040317][ T9] hook not found, pf 3 num 0 [ 72.040957][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 72.058680][ T9] Modules linked in: [ 72.063999][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-rc7-syzkaller #0 [ 72.075072][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.086879][ T9] Workqueue: netns cleanup_net [ 72.092742][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 72.099292][ 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 00 68 6c 8a e8 2e 37 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 72.130035][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 72.136363][ T9] RAX: 0000000000000000 RBX: ffff888020ef3e00 RCX: 0000000000000000 [ 72.149011][ T9] RDX: ffff888011560000 RSI: ffffffff815c5205 RDI: fffff5200019cf6a [ 72.158630][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.169235][ T9] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888018c50f20 [ 72.178247][ T9] R13: 0000000000000000 R14: ffff888017f49300 R15: 0000000000000001 [ 72.189071][ T9] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.204165][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.212030][ T9] CR2: 00007f2e9deea000 CR3: 0000000017eb3000 CR4: 00000000001506e0 [ 72.222609][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.232284][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.241700][ T9] Call Trace: [ 72.245027][ T9] nf_unregister_net_hooks+0x117/0x160 [ 72.251892][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 72.257967][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 72.265230][ T9] cleanup_net+0x451/0xb10 [ 72.272576][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 72.278712][ T9] process_one_work+0x98d/0x1600 [ 72.286107][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.292617][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 72.297626][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 72.304611][ T9] worker_thread+0x64c/0x1120 [ 72.311302][ T9] ? process_one_work+0x1600/0x1600 [ 72.316551][ T9] kthread+0x3b1/0x4a0 [ 72.322651][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 72.327818][ T9] ret_from_fork+0x1f/0x30 [ 72.333991][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 72.341094][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-rc7-syzkaller #0 [ 72.349610][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.359776][ T9] Workqueue: netns cleanup_net [ 72.364653][ T9] Call Trace: [ 72.368051][ T9] dump_stack+0x141/0x1d7 [ 72.372492][ T9] panic+0x306/0x73d [ 72.376410][ T9] ? __warn_printk+0xf3/0xf3 [ 72.381032][ T9] ? __warn.cold+0x1a/0x44 [ 72.385501][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 72.391250][ T9] __warn.cold+0x35/0x44 [ 72.395602][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 72.401340][ T9] report_bug+0x1bd/0x210 [ 72.405856][ T9] handle_bug+0x3c/0x60 [ 72.410200][ T9] exc_invalid_op+0x14/0x40 [ 72.414789][ T9] asm_exc_invalid_op+0x12/0x20 [ 72.419644][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 72.426025][ 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 00 68 6c 8a e8 2e 37 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 72.446065][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 72.452335][ T9] RAX: 0000000000000000 RBX: ffff888020ef3e00 RCX: 0000000000000000 [ 72.460366][ T9] RDX: ffff888011560000 RSI: ffffffff815c5205 RDI: fffff5200019cf6a [ 72.468429][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.476506][ T9] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888018c50f20 [ 72.484499][ T9] R13: 0000000000000000 R14: ffff888017f49300 R15: 0000000000000001 [ 72.492489][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 72.497792][ T9] ? vprintk_func+0x95/0x1e0 [ 72.502425][ T9] nf_unregister_net_hooks+0x117/0x160 [ 72.508057][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 72.514086][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 72.519735][ T9] cleanup_net+0x451/0xb10 [ 72.524254][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 72.529721][ T9] process_one_work+0x98d/0x1600 [ 72.534907][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.540379][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 72.545432][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 72.550527][ T9] worker_thread+0x64c/0x1120 [ 72.555429][ T9] ? process_one_work+0x1600/0x1600 [ 72.560629][ T9] kthread+0x3b1/0x4a0 [ 72.564701][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 72.569917][ T9] ret_from_fork+0x1f/0x30 [ 72.575887][ T9] Kernel Offset: disabled [ 72.580474][ T9] Rebooting in 86400 seconds..