Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. 2021/05/06 23:40:50 fuzzer started 2021/05/06 23:40:50 connecting to host at 10.128.0.169:39801 2021/05/06 23:40:50 checking machine... 2021/05/06 23:40:50 checking revisions... 2021/05/06 23:40:50 testing simple program... syzkaller login: [ 76.930026][ T8415] chnl_net:caif_netlink_parms(): no params data found [ 77.014179][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.023600][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.032648][ T8415] device bridge_slave_0 entered promiscuous mode [ 77.042598][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.050082][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.058287][ T8415] device bridge_slave_1 entered promiscuous mode [ 77.079091][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.091104][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.117269][ T8415] team0: Port device team_slave_0 added [ 77.125861][ T8415] team0: Port device team_slave_1 added [ 77.145143][ T8415] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.152382][ T8415] 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. [ 77.179096][ T8415] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.192356][ T8415] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.200563][ T8415] 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. [ 77.228034][ T8415] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.255995][ T8415] device hsr_slave_0 entered promiscuous mode [ 77.263196][ T8415] device hsr_slave_1 entered promiscuous mode [ 77.369387][ T8415] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.380945][ T8415] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.394379][ T8415] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.403540][ T8415] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.431632][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.439051][ T8415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.447815][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.455334][ T8415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.504064][ T8415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.520032][ T3167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.531716][ T3167] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.542057][ T3167] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.551501][ T3167] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.568036][ T8415] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.580422][ T4842] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.590402][ T4842] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.598013][ T4842] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.611230][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.620924][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.628350][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.649994][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.659860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.678313][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.687145][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.700507][ T4842] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.711306][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.734047][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.743824][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.755728][ T8415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.777315][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.799548][ T4842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.808628][ T4842] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.817925][ T4842] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.829875][ T8415] device veth0_vlan entered promiscuous mode [ 77.844299][ T8415] device veth1_vlan entered promiscuous mode [ 77.868231][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.877154][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.887777][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.900470][ T8415] device veth0_macvtap entered promiscuous mode [ 77.912558][ T8415] device veth1_macvtap entered promiscuous mode [ 77.932985][ T8415] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.941693][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.950854][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.963094][ T8415] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.971311][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.980767][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.993535][ T8415] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.002922][ T8415] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.011887][ T8415] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.021981][ T8415] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.118096][ T67] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.154838][ T67] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 78.175887][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.195164][ T113] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.203641][ T113] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.214283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/06 23:40:53 building call list... [ 78.880648][ T67] ------------[ cut here ]------------ [ 78.889799][ T67] hook not found, pf 3 num 0 [ 78.890421][ T67] WARNING: CPU: 0 PID: 67 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.912640][ T67] Modules linked in: [ 78.916702][ T67] CPU: 0 PID: 67 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 78.928473][ T67] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.938835][ T67] Workqueue: netns cleanup_net [ 78.943824][ T67] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.951650][ T67] 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 d8 6d 8a e8 d0 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 e9 16 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.976062][ T67] RSP: 0018:ffffc90000fbfbc0 EFLAGS: 00010286 [ 78.982439][ T67] RAX: 0000000000000000 RBX: ffff888023fdb100 RCX: 0000000000000000 [ 78.990588][ T67] RDX: ffff888014b654c0 RSI: ffffffff815c8ba5 RDI: fffff520001f7f6a [ 79.000610][ T67] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.012879][ T67] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802b4b8f20 [ 79.023485][ T67] R13: 0000000000000000 R14: ffff88801bef1180 R15: 0000000000000001 [ 79.032645][ T67] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.044711][ T67] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.051425][ T67] CR2: 0000556bae350160 CR3: 0000000024e91000 CR4: 00000000001506f0 [ 79.060624][ T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.071507][ T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.081245][ T67] Call Trace: [ 79.095630][ T67] nf_unregister_net_hooks+0x117/0x160 [ 79.101349][ T67] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.111233][ T67] ? arptable_filter_net_exit+0x20/0x20 [ 79.119167][ T67] cleanup_net+0x451/0xb10 [ 79.123812][ T67] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.130556][ T67] process_one_work+0x98d/0x1600 [ 79.137700][ T67] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.143303][ T67] ? rwlock_bug.part.0+0x90/0x90 [ 79.150064][ T67] ? _raw_spin_lock_irq+0x41/0x50 [ 79.157495][ T67] worker_thread+0x64c/0x1120 [ 79.162237][ T67] ? process_one_work+0x1600/0x1600 [ 79.170532][ T67] kthread+0x3b1/0x4a0 [ 79.176696][ T67] ? __kthread_bind_mask+0xc0/0xc0 [ 79.182034][ T67] ret_from_fork+0x1f/0x30 [ 79.188438][ T67] Kernel panic - not syncing: panic_on_warn set ... [ 79.195149][ T67] CPU: 0 PID: 67 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 79.203248][ T67] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.213577][ T67] Workqueue: netns cleanup_net [ 79.218553][ T67] Call Trace: [ 79.221943][ T67] dump_stack+0x141/0x1d7 [ 79.226556][ T67] panic+0x306/0x73d [ 79.230586][ T67] ? __warn_printk+0xf3/0xf3 [ 79.235426][ T67] ? __warn.cold+0x1a/0x44 [ 79.239970][ T67] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.245887][ T67] __warn.cold+0x35/0x44 [ 79.250147][ T67] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.256185][ T67] report_bug+0x1bd/0x210 [ 79.260566][ T67] handle_bug+0x3c/0x60 [ 79.264828][ T67] exc_invalid_op+0x14/0x40 [ 79.269394][ T67] asm_exc_invalid_op+0x12/0x20 [ 79.274264][ T67] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.280617][ T67] 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 d8 6d 8a e8 d0 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 e9 16 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.300447][ T67] RSP: 0018:ffffc90000fbfbc0 EFLAGS: 00010286 [ 79.306622][ T67] RAX: 0000000000000000 RBX: ffff888023fdb100 RCX: 0000000000000000 [ 79.314610][ T67] RDX: ffff888014b654c0 RSI: ffffffff815c8ba5 RDI: fffff520001f7f6a [ 79.322710][ T67] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.330866][ T67] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802b4b8f20 [ 79.339053][ T67] R13: 0000000000000000 R14: ffff88801bef1180 R15: 0000000000000001 [ 79.347320][ T67] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.352663][ T67] ? vprintk+0x95/0x260 [ 79.356955][ T67] nf_unregister_net_hooks+0x117/0x160 [ 79.362528][ T67] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.368448][ T67] ? arptable_filter_net_exit+0x20/0x20 [ 79.374126][ T67] cleanup_net+0x451/0xb10 [ 79.378745][ T67] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.384331][ T67] process_one_work+0x98d/0x1600 [ 79.389389][ T67] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.394928][ T67] ? rwlock_bug.part.0+0x90/0x90 [ 79.399914][ T67] ? _raw_spin_lock_irq+0x41/0x50 [ 79.404981][ T67] worker_thread+0x64c/0x1120 [ 79.409935][ T67] ? process_one_work+0x1600/0x1600 [ 79.415272][ T67] kthread+0x3b1/0x4a0 [ 79.419449][ T67] ? __kthread_bind_mask+0xc0/0xc0 [ 79.424672][ T67] ret_from_fork+0x1f/0x30 [ 79.431085][ T67] Kernel Offset: disabled [ 79.435631][ T67] Rebooting in 86400 seconds..