Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. 2021/05/03 17:21:21 fuzzer started 2021/05/03 17:21:21 connecting to host at 10.128.0.169:34625 2021/05/03 17:21:21 checking machine... 2021/05/03 17:21:21 checking revisions... 2021/05/03 17:21:21 testing simple program... syzkaller login: [ 74.303416][ T8431] chnl_net:caif_netlink_parms(): no params data found [ 74.364432][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.376014][ T8431] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.386887][ T8431] device bridge_slave_0 entered promiscuous mode [ 74.398092][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.406687][ T8431] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.415724][ T8431] device bridge_slave_1 entered promiscuous mode [ 74.441762][ T8431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.454133][ T8431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.480773][ T8431] team0: Port device team_slave_0 added [ 74.491409][ T8431] team0: Port device team_slave_1 added [ 74.509495][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.517519][ T8431] 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. [ 74.546288][ T8431] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.561844][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.571430][ T8431] 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. [ 74.601559][ T8431] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.633836][ T8431] device hsr_slave_0 entered promiscuous mode [ 74.643032][ T8431] device hsr_slave_1 entered promiscuous mode [ 74.755343][ T8431] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.767444][ T8431] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.783834][ T8431] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.795109][ T8431] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.826691][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.834644][ T8431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.843198][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.850830][ T8431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.898461][ T8431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.915898][ T4805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.928294][ T4805] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.940072][ T4805] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.948834][ T4805] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.964892][ T8431] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.976196][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.987763][ T3166] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.997582][ T3166] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.014033][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.024158][ T3166] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.032483][ T3166] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.055317][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.066733][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.082973][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.101031][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.110168][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.123748][ T8431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.145240][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.155032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.171092][ T8431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.191237][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.214556][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.224815][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.233726][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.245406][ T8431] device veth0_vlan entered promiscuous mode [ 75.263339][ T8431] device veth1_vlan entered promiscuous mode [ 75.289866][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.300965][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.313041][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.327645][ T8431] device veth0_macvtap entered promiscuous mode [ 75.344153][ T8431] device veth1_macvtap entered promiscuous mode [ 75.368164][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.382692][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.396083][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.409980][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.420423][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.431444][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.444997][ T8431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.455908][ T8431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.465239][ T8431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.478590][ T8431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 75.577392][ T231] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.614280][ T231] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.616175][ T28] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.626944][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.645000][ T28] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.660230][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 17:21:24 building call list... [ 76.333215][ T1042] ------------[ cut here ]------------ [ 76.350624][ T1042] hook not found, pf 3 num 0 [ 76.351286][ T1042] WARNING: CPU: 0 PID: 1042 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 76.372771][ T1042] Modules linked in: [ 76.377179][ T1042] CPU: 0 PID: 1042 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 76.391387][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.425418][ T1042] Workqueue: netns cleanup_net [ 76.433805][ T1042] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.442437][ T1042] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.469043][ T1042] RSP: 0018:ffffc9000467fbc0 EFLAGS: 00010286 [ 76.475593][ T1042] RAX: 0000000000000000 RBX: ffff88802181d600 RCX: 0000000000000000 [ 76.490305][ T1042] RDX: ffff888014210000 RSI: ffffffff815c8ba5 RDI: fffff520008cff6a [ 76.502306][ T1042] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.513791][ T1042] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028890f20 [ 76.523968][ T1042] R13: 0000000000000000 R14: ffff8880120c5880 R15: 0000000000000001 [ 76.537168][ T1042] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.550975][ T1042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.566874][ T1042] CR2: 00007f92f6329000 CR3: 000000001c7bc000 CR4: 00000000001506f0 [ 76.579483][ T1042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.590520][ T1042] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.602855][ T1042] Call Trace: [ 76.606766][ T1042] nf_unregister_net_hooks+0x117/0x160 [ 76.613979][ T1042] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.623441][ T1042] ? arptable_filter_net_exit+0x20/0x20 [ 76.631765][ T1042] cleanup_net+0x451/0xb10 [ 76.637058][ T1042] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.650865][ T1042] process_one_work+0x98d/0x1600 [ 76.656015][ T1042] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.664977][ T1042] ? rwlock_bug.part.0+0x90/0x90 [ 76.671630][ T1042] ? _raw_spin_lock_irq+0x41/0x50 [ 76.677222][ T1042] worker_thread+0x64c/0x1120 [ 76.685574][ T1042] ? __kthread_parkme+0x13f/0x1e0 [ 76.692707][ T1042] ? process_one_work+0x1600/0x1600 [ 76.698738][ T1042] kthread+0x3b1/0x4a0 [ 76.706422][ T1042] ? __kthread_bind_mask+0xc0/0xc0 [ 76.712871][ T1042] ret_from_fork+0x1f/0x30 [ 76.717537][ T1042] Kernel panic - not syncing: panic_on_warn set ... [ 76.724240][ T1042] CPU: 0 PID: 1042 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 76.732415][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.742836][ T1042] Workqueue: netns cleanup_net [ 76.747740][ T1042] Call Trace: [ 76.751035][ T1042] dump_stack+0x141/0x1d7 [ 76.755490][ T1042] panic+0x306/0x73d [ 76.759401][ T1042] ? __warn_printk+0xf3/0xf3 [ 76.764018][ T1042] ? __warn.cold+0x1a/0x44 [ 76.768459][ T1042] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.774383][ T1042] __warn.cold+0x35/0x44 [ 76.779173][ T1042] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.785109][ T1042] report_bug+0x1bd/0x210 [ 76.789668][ T1042] handle_bug+0x3c/0x60 [ 76.793846][ T1042] exc_invalid_op+0x14/0x40 [ 76.798370][ T1042] asm_exc_invalid_op+0x12/0x20 [ 76.803341][ T1042] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.810298][ T1042] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.830570][ T1042] RSP: 0018:ffffc9000467fbc0 EFLAGS: 00010286 [ 76.838623][ T1042] RAX: 0000000000000000 RBX: ffff88802181d600 RCX: 0000000000000000 [ 76.846967][ T1042] RDX: ffff888014210000 RSI: ffffffff815c8ba5 RDI: fffff520008cff6a [ 76.855736][ T1042] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.864439][ T1042] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028890f20 [ 76.873019][ T1042] R13: 0000000000000000 R14: ffff8880120c5880 R15: 0000000000000001 [ 76.881461][ T1042] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.887573][ T1042] ? vprintk+0x95/0x260 [ 76.892180][ T1042] nf_unregister_net_hooks+0x117/0x160 [ 76.897761][ T1042] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.904217][ T1042] ? arptable_filter_net_exit+0x20/0x20 [ 76.910072][ T1042] cleanup_net+0x451/0xb10 [ 76.914979][ T1042] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.920563][ T1042] process_one_work+0x98d/0x1600 [ 76.925737][ T1042] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.932007][ T1042] ? rwlock_bug.part.0+0x90/0x90 [ 76.937055][ T1042] ? _raw_spin_lock_irq+0x41/0x50 [ 76.942371][ T1042] worker_thread+0x64c/0x1120 [ 76.947447][ T1042] ? __kthread_parkme+0x13f/0x1e0 [ 76.952904][ T1042] ? process_one_work+0x1600/0x1600 [ 76.958497][ T1042] kthread+0x3b1/0x4a0 [ 76.962949][ T1042] ? __kthread_bind_mask+0xc0/0xc0 [ 76.969047][ T1042] ret_from_fork+0x1f/0x30 [ 76.975247][ T1042] Kernel Offset: disabled [ 76.980566][ T1042] Rebooting in 86400 seconds..