Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. 2021/05/03 17:21:19 fuzzer started 2021/05/03 17:21:19 connecting to host at 10.128.0.169:41011 2021/05/03 17:21:19 checking machine... 2021/05/03 17:21:19 checking revisions... 2021/05/03 17:21:19 testing simple program... syzkaller login: [ 70.894727][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 70.944479][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.952769][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.961710][ T8403] device bridge_slave_0 entered promiscuous mode [ 70.970706][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.978721][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.987876][ T8403] device bridge_slave_1 entered promiscuous mode [ 71.007402][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.018251][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.041779][ T8403] team0: Port device team_slave_0 added [ 71.049123][ T8403] team0: Port device team_slave_1 added [ 71.066984][ T8403] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.073933][ T8403] 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. [ 71.100309][ T8403] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.113329][ T8403] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.120708][ T8403] 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. [ 71.147124][ T8403] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.173090][ T8403] device hsr_slave_0 entered promiscuous mode [ 71.179867][ T8403] device hsr_slave_1 entered promiscuous mode [ 71.280735][ T8403] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.291916][ T8403] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.308695][ T8403] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.317909][ T8403] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.345562][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.353105][ T8403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.361434][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.369035][ T8403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.414814][ T8403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.432841][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.444402][ T4833] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.454112][ T4833] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.463206][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.476781][ T8403] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.489015][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.498072][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.505387][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.526128][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.534863][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.542208][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.551503][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.571275][ T8403] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.583301][ T8403] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.599284][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.608260][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.617036][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.626552][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.635632][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.656417][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.663869][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.677407][ T8403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.703659][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.726073][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.734249][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.743636][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.754185][ T8403] device veth0_vlan entered promiscuous mode [ 71.768868][ T8403] device veth1_vlan entered promiscuous mode [ 71.791469][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.800099][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.808480][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.819961][ T8403] device veth0_macvtap entered promiscuous mode [ 71.831342][ T8403] device veth1_macvtap entered promiscuous mode [ 71.850757][ T8403] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.860084][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.870472][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.883208][ T8403] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.891165][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.900432][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.912175][ T8403] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.922698][ T8403] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.931992][ T8403] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.941150][ T8403] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.037384][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.052056][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.077091][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.092263][ T326] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.100497][ T326] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.112229][ T4833] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 17:21:22 building call list... executing program [ 72.747269][ T326] ------------[ cut here ]------------ [ 72.752949][ T326] hook not found, pf 3 num 0 [ 72.753595][ T326] WARNING: CPU: 1 PID: 326 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 72.770632][ T326] Modules linked in: [ 72.774560][ T326] CPU: 1 PID: 326 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 72.783197][ T326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.795039][ T326] Workqueue: netns cleanup_net [ 72.801925][ T326] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 72.810773][ T326] 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 [ 72.834643][ T326] RSP: 0018:ffffc9000176fbc0 EFLAGS: 00010286 [ 72.842072][ T326] RAX: 0000000000000000 RBX: ffff8880221fb400 RCX: 0000000000000000 [ 72.850451][ T326] RDX: ffff888012c7b880 RSI: ffffffff815c8ba5 RDI: fffff520002edf6a [ 72.858922][ T326] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.867144][ T326] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880367c0f20 [ 72.875699][ T326] R13: 0000000000000000 R14: ffff88801e209380 R15: 0000000000000001 [ 72.883714][ T326] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.895303][ T326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.902661][ T326] CR2: 0000558f99001160 CR3: 00000000146cc000 CR4: 00000000001506e0 [ 72.911600][ T326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.920171][ T326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.928632][ T326] Call Trace: [ 72.931948][ T326] nf_unregister_net_hooks+0x117/0x160 [ 72.939215][ T326] arpt_unregister_table_pre_exit+0x67/0x80 [ 72.947342][ T326] ? arptable_filter_net_exit+0x20/0x20 [ 72.952935][ T326] cleanup_net+0x451/0xb10 [ 72.957917][ T326] ? ops_free_list.part.0+0x3d0/0x3d0 [ 72.963330][ T326] process_one_work+0x98d/0x1600 [ 72.982815][ T326] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.990239][ T326] ? rwlock_bug.part.0+0x90/0x90 [ 72.995706][ T326] ? _raw_spin_lock_irq+0x41/0x50 [ 73.000785][ T326] worker_thread+0x64c/0x1120 [ 73.007544][ T326] ? process_one_work+0x1600/0x1600 [ 73.012776][ T326] kthread+0x3b1/0x4a0 [ 73.017339][ T326] ? __kthread_bind_mask+0xc0/0xc0 [ 73.023021][ T326] ret_from_fork+0x1f/0x30 [ 73.029462][ T326] Kernel panic - not syncing: panic_on_warn set ... [ 73.036058][ T326] CPU: 1 PID: 326 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 73.044222][ T326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.054462][ T326] Workqueue: netns cleanup_net [ 73.059245][ T326] Call Trace: [ 73.062530][ T326] dump_stack+0x141/0x1d7 [ 73.067053][ T326] panic+0x306/0x73d [ 73.071054][ T326] ? __warn_printk+0xf3/0xf3 [ 73.075667][ T326] ? __warn.cold+0x1a/0x44 [ 73.080105][ T326] ? __nf_unregister_net_hook+0x1eb/0x610 [ 73.085848][ T326] __warn.cold+0x35/0x44 [ 73.090108][ T326] ? __nf_unregister_net_hook+0x1eb/0x610 [ 73.095841][ T326] report_bug+0x1bd/0x210 [ 73.100191][ T326] handle_bug+0x3c/0x60 [ 73.104375][ T326] exc_invalid_op+0x14/0x40 [ 73.108891][ T326] asm_exc_invalid_op+0x12/0x20 [ 73.113755][ T326] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 73.120103][ T326] 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 [ 73.139895][ T326] RSP: 0018:ffffc9000176fbc0 EFLAGS: 00010286 [ 73.145968][ T326] RAX: 0000000000000000 RBX: ffff8880221fb400 RCX: 0000000000000000 [ 73.154114][ T326] RDX: ffff888012c7b880 RSI: ffffffff815c8ba5 RDI: fffff520002edf6a [ 73.162535][ T326] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 73.170724][ T326] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880367c0f20 [ 73.178701][ T326] R13: 0000000000000000 R14: ffff88801e209380 R15: 0000000000000001 [ 73.186947][ T326] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.192251][ T326] ? vprintk+0x95/0x260 [ 73.196414][ T326] nf_unregister_net_hooks+0x117/0x160 [ 73.201959][ T326] arpt_unregister_table_pre_exit+0x67/0x80 [ 73.207851][ T326] ? arptable_filter_net_exit+0x20/0x20 [ 73.213485][ T326] cleanup_net+0x451/0xb10 [ 73.217897][ T326] ? ops_free_list.part.0+0x3d0/0x3d0 [ 73.223276][ T326] process_one_work+0x98d/0x1600 [ 73.228232][ T326] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.233612][ T326] ? rwlock_bug.part.0+0x90/0x90 [ 73.238643][ T326] ? _raw_spin_lock_irq+0x41/0x50 [ 73.243780][ T326] worker_thread+0x64c/0x1120 [ 73.248652][ T326] ? process_one_work+0x1600/0x1600 [ 73.253847][ T326] kthread+0x3b1/0x4a0 [ 73.257937][ T326] ? __kthread_bind_mask+0xc0/0xc0 [ 73.263043][ T326] ret_from_fork+0x1f/0x30 [ 73.268687][ T326] Kernel Offset: disabled [ 73.273240][ T326] Rebooting in 86400 seconds..