Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. 2021/05/07 00:12:40 fuzzer started 2021/05/07 00:12:40 connecting to host at 10.128.0.169:40243 2021/05/07 00:12:40 checking machine... 2021/05/07 00:12:40 checking revisions... 2021/05/07 00:12:40 testing simple program... syzkaller login: [ 78.025564][ T8431] chnl_net:caif_netlink_parms(): no params data found [ 78.132573][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.144509][ T8431] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.153696][ T8431] device bridge_slave_0 entered promiscuous mode [ 78.167787][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.176692][ T8431] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.186321][ T8431] device bridge_slave_1 entered promiscuous mode [ 78.211521][ T8431] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.227740][ T8431] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.253575][ T8431] team0: Port device team_slave_0 added [ 78.262206][ T8431] team0: Port device team_slave_1 added [ 78.281371][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.288587][ 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. [ 78.315855][ T8431] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.330350][ T8431] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.339632][ 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. [ 78.370831][ T8431] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.403152][ T8431] device hsr_slave_0 entered promiscuous mode [ 78.413356][ T8431] device hsr_slave_1 entered promiscuous mode [ 78.558567][ T8431] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.574734][ T8431] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.585966][ T8431] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.601654][ T8431] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.639244][ T8431] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.651734][ T8431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.663840][ T8431] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.676046][ T8431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.735555][ T8431] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.751469][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.764654][ T4929] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.777902][ T4929] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.789288][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.806175][ T8431] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.829299][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.844827][ T4929] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.857201][ T4929] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.870778][ T4929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.884266][ T4929] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.895800][ T4929] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.931350][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.948780][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.970597][ T8431] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.991703][ T8431] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.006503][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.016021][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.026719][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.039633][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.057751][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.066146][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.082235][ T8431] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.103823][ T4013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.116798][ T4013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.138997][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.153811][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.165823][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.174953][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.186663][ T8431] device veth0_vlan entered promiscuous mode [ 79.202511][ T8431] device veth1_vlan entered promiscuous mode [ 79.230831][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.241428][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.252200][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.264142][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.279509][ T8431] device veth0_macvtap entered promiscuous mode [ 79.290755][ T8431] device veth1_macvtap entered promiscuous mode [ 79.311306][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.319414][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready executing program [ 79.329686][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.341055][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.351660][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.366737][ T8431] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.375611][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.386513][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.400127][ T8431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.411989][ T8431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.423678][ T8431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.433869][ T8431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.536431][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.551706][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.572883][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.606151][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.618528][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.631850][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 00:12:44 building call list... [ 79.858479][ T27] Bluetooth: hci0: command 0x0409 tx timeout [ 80.367534][ T179] ------------[ cut here ]------------ [ 80.373741][ T179] hook not found, pf 3 num 0 [ 80.374387][ T179] WARNING: CPU: 0 PID: 179 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 80.391073][ T179] Modules linked in: [ 80.395525][ T179] CPU: 0 PID: 179 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 80.403869][ T179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.418601][ T179] Workqueue: netns cleanup_net [ 80.423531][ T179] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.430504][ T179] 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 [ 80.453947][ T179] RSP: 0018:ffffc900012bfbc0 EFLAGS: 00010286 [ 80.462208][ T179] RAX: 0000000000000000 RBX: ffff888149cc1200 RCX: 0000000000000000 [ 80.471311][ T179] RDX: ffff888015bd54c0 RSI: ffffffff815c8ba5 RDI: fffff52000257f6a [ 80.481415][ T179] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.490197][ T179] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038f98f20 [ 80.502052][ T179] R13: 0000000000000000 R14: ffff8880123d8880 R15: 0000000000000001 [ 80.512440][ T179] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 80.522682][ T179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.529856][ T179] CR2: 000055e7031d2160 CR3: 00000000249d7000 CR4: 00000000001506f0 [ 80.540790][ T179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.549997][ T179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.561585][ T179] Call Trace: [ 80.565141][ T179] nf_unregister_net_hooks+0x117/0x160 [ 80.572196][ T179] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.582875][ T179] ? arptable_filter_net_exit+0x20/0x20 [ 80.590507][ T179] cleanup_net+0x451/0xb10 [ 80.595611][ T179] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.604124][ T179] process_one_work+0x98d/0x1600 [ 80.610206][ T179] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.616711][ T179] ? rwlock_bug.part.0+0x90/0x90 [ 80.623895][ T179] ? _raw_spin_lock_irq+0x41/0x50 [ 80.629895][ T179] worker_thread+0x64c/0x1120 [ 80.635626][ T179] ? process_one_work+0x1600/0x1600 [ 80.643133][ T179] kthread+0x3b1/0x4a0 [ 80.648030][ T179] ? __kthread_bind_mask+0xc0/0xc0 [ 80.653496][ T179] ret_from_fork+0x1f/0x30 [ 80.660982][ T179] Kernel panic - not syncing: panic_on_warn set ... [ 80.668299][ T179] CPU: 0 PID: 179 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 80.676776][ T179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.689992][ T179] Workqueue: netns cleanup_net [ 80.694803][ T179] Call Trace: [ 80.698276][ T179] dump_stack+0x141/0x1d7 [ 80.702718][ T179] panic+0x306/0x73d [ 80.706732][ T179] ? __warn_printk+0xf3/0xf3 [ 80.711358][ T179] ? __warn.cold+0x1a/0x44 [ 80.715796][ T179] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.721540][ T179] __warn.cold+0x35/0x44 [ 80.726005][ T179] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.731932][ T179] report_bug+0x1bd/0x210 [ 80.736310][ T179] handle_bug+0x3c/0x60 [ 80.740582][ T179] exc_invalid_op+0x14/0x40 [ 80.745202][ T179] asm_exc_invalid_op+0x12/0x20 [ 80.750326][ T179] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.756790][ T179] 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 [ 80.778056][ T179] RSP: 0018:ffffc900012bfbc0 EFLAGS: 00010286 [ 80.784778][ T179] RAX: 0000000000000000 RBX: ffff888149cc1200 RCX: 0000000000000000 [ 80.792987][ T179] RDX: ffff888015bd54c0 RSI: ffffffff815c8ba5 RDI: fffff52000257f6a [ 80.801784][ T179] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.809885][ T179] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038f98f20 [ 80.818303][ T179] R13: 0000000000000000 R14: ffff8880123d8880 R15: 0000000000000001 [ 80.826392][ T179] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.831928][ T179] ? vprintk+0x95/0x260 [ 80.836137][ T179] nf_unregister_net_hooks+0x117/0x160 [ 80.841853][ T179] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.847904][ T179] ? arptable_filter_net_exit+0x20/0x20 [ 80.853940][ T179] cleanup_net+0x451/0xb10 [ 80.858393][ T179] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.863896][ T179] process_one_work+0x98d/0x1600 [ 80.869045][ T179] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.874617][ T179] ? rwlock_bug.part.0+0x90/0x90 [ 80.879701][ T179] ? _raw_spin_lock_irq+0x41/0x50 [ 80.884847][ T179] worker_thread+0x64c/0x1120 [ 80.889752][ T179] ? process_one_work+0x1600/0x1600 [ 80.895185][ T179] kthread+0x3b1/0x4a0 [ 80.899385][ T179] ? __kthread_bind_mask+0xc0/0xc0 [ 80.904787][ T179] ret_from_fork+0x1f/0x30 [ 80.910681][ T179] Kernel Offset: disabled [ 80.915822][ T179] Rebooting in 86400 seconds..