Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. 2021/05/03 03:11:49 fuzzer started 2021/05/03 03:11:49 connecting to host at 10.128.0.169:38499 2021/05/03 03:11:49 checking machine... 2021/05/03 03:11:49 checking revisions... 2021/05/03 03:11:49 testing simple program... syzkaller login: [ 75.113505][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 75.169322][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.177860][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.187371][ T8430] device bridge_slave_0 entered promiscuous mode [ 75.198085][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.207125][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.216335][ T8430] device bridge_slave_1 entered promiscuous mode [ 75.239457][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.251749][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.276375][ T8430] team0: Port device team_slave_0 added [ 75.284600][ T8430] team0: Port device team_slave_1 added [ 75.303609][ T8430] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.311375][ T8430] 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. [ 75.339347][ T8430] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.352435][ T8430] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.359901][ T8430] 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. [ 75.388202][ T8430] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.418927][ T8430] device hsr_slave_0 entered promiscuous mode [ 75.426286][ T8430] device hsr_slave_1 entered promiscuous mode [ 75.536671][ T8430] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.549576][ T8430] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.561265][ T8430] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.571948][ T8430] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.613525][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.622121][ T8430] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.630457][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.638763][ T8430] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.688556][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.702343][ T4851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.718908][ T4851] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.730298][ T4851] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.740852][ T4851] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.756339][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.769946][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.780673][ T8149] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.787960][ T8149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.805424][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.815718][ T8149] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.823832][ T8149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.843345][ T4851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.853462][ T4851] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.868931][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.882202][ T3547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.898113][ T8430] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.912357][ T8430] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.921871][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.941756][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.950787][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.966737][ T8430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.994323][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.013206][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.025562][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.034953][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.043757][ T8430] device veth0_vlan entered promiscuous mode [ 76.060537][ T8430] device veth1_vlan entered promiscuous mode [ 76.084681][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.093154][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.102467][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.116054][ T8430] device veth0_macvtap entered promiscuous mode [ 76.129189][ T8430] device veth1_macvtap entered promiscuous mode [ 76.148186][ T8430] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.158292][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.167993][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.182032][ T8430] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.191070][ T3547] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.201145][ T3547] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.215328][ T8430] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.224698][ T8430] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.236010][ T8430] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.245536][ T8430] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.349628][ T191] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.359593][ T191] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.376608][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 76.410750][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.423064][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.436888][ T3547] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 03:11:52 building call list... [ 77.076066][ T9] ------------[ cut here ]------------ [ 77.082844][ T9] hook not found, pf 3 num 0 [ 77.083481][ T9] WARNING: CPU: 0 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.103442][ T9] Modules linked in: [ 77.111999][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210503-syzkaller #0 [ 77.122982][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.137773][ T9] Workqueue: netns cleanup_net [ 77.142726][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.151266][ 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 c0 4d 6e 8a e8 18 71 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 d2 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.191621][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 77.199091][ T9] RAX: 0000000000000000 RBX: ffff888024d8d400 RCX: 0000000000000000 [ 77.217059][ T9] RDX: ffff8880123a8000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 77.229429][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.238995][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88801b028f20 [ 77.250073][ T9] R13: 0000000000000000 R14: ffff8880134d2d80 R15: 0000000000000001 [ 77.275613][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.286800][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.293452][ T9] CR2: 00007f60704bb000 CR3: 000000001e434000 CR4: 00000000001506f0 [ 77.305615][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.317287][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.328274][ T9] Call Trace: [ 77.331872][ T9] nf_unregister_net_hooks+0x117/0x160 [ 77.345044][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.351633][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 77.360580][ T9] cleanup_net+0x451/0xb10 [ 77.366465][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.372291][ T9] process_one_work+0x98d/0x1600 [ 77.380069][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.387164][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 77.392159][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 77.399153][ T9] worker_thread+0x64c/0x1120 [ 77.404916][ T9] ? process_one_work+0x1600/0x1600 [ 77.410352][ T9] kthread+0x3b1/0x4a0 [ 77.416689][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 77.422498][ T9] ret_from_fork+0x1f/0x30 [ 77.429102][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 77.436541][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210503-syzkaller #0 [ 77.445796][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.456130][ T9] Workqueue: netns cleanup_net [ 77.460928][ T9] Call Trace: [ 77.464301][ T9] dump_stack+0x141/0x1d7 [ 77.468754][ T9] panic+0x306/0x73d [ 77.473022][ T9] ? __warn_printk+0xf3/0xf3 [ 77.477649][ T9] ? __warn.cold+0x1a/0x44 [ 77.482507][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.488697][ T9] __warn.cold+0x35/0x44 [ 77.493061][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.499269][ T9] report_bug+0x1bd/0x210 [ 77.503637][ T9] handle_bug+0x3c/0x60 [ 77.507899][ T9] exc_invalid_op+0x14/0x40 [ 77.512423][ T9] asm_exc_invalid_op+0x12/0x20 [ 77.517576][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.524103][ 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 c0 4d 6e 8a e8 18 71 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 d2 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.544628][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 77.551101][ T9] RAX: 0000000000000000 RBX: ffff888024d8d400 RCX: 0000000000000000 [ 77.559669][ T9] RDX: ffff8880123a8000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 77.568611][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.577405][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88801b028f20 [ 77.585882][ T9] R13: 0000000000000000 R14: ffff8880134d2d80 R15: 0000000000000001 [ 77.594654][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.600093][ T9] ? vprintk+0x95/0x260 [ 77.604462][ T9] nf_unregister_net_hooks+0x117/0x160 [ 77.610123][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.616223][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 77.621879][ T9] cleanup_net+0x451/0xb10 [ 77.626420][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.632213][ T9] process_one_work+0x98d/0x1600 [ 77.637704][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.643287][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 77.648513][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 77.654135][ T9] worker_thread+0x64c/0x1120 [ 77.659091][ T9] ? process_one_work+0x1600/0x1600 [ 77.664489][ T9] kthread+0x3b1/0x4a0 [ 77.669378][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 77.675652][ T9] ret_from_fork+0x1f/0x30 [ 77.681678][ T9] Kernel Offset: disabled [ 77.686448][ T9] Rebooting in 86400 seconds..