Warning: Permanently added '10.128.1.74' (ECDSA) to the list of known hosts. 2021/05/04 05:06:26 fuzzer started 2021/05/04 05:06:26 connecting to host at 10.128.0.169:42807 2021/05/04 05:06:26 checking machine... 2021/05/04 05:06:26 checking revisions... 2021/05/04 05:06:26 testing simple program... syzkaller login: [ 73.186705][ T8398] chnl_net:caif_netlink_parms(): no params data found [ 73.239353][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.249199][ T8398] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.259639][ T8398] device bridge_slave_0 entered promiscuous mode [ 73.269672][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.278159][ T8398] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.286770][ T8398] device bridge_slave_1 entered promiscuous mode [ 73.308184][ T8398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.320947][ T8398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.346518][ T8398] team0: Port device team_slave_0 added [ 73.354337][ T8398] team0: Port device team_slave_1 added [ 73.373121][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.381382][ T8398] 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. [ 73.410671][ T8398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.426292][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.433930][ T8398] 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. [ 73.462596][ T8398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.491010][ T8398] device hsr_slave_0 entered promiscuous mode [ 73.498132][ T8398] device hsr_slave_1 entered promiscuous mode [ 73.605980][ T8398] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.620107][ T8398] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.631872][ T8398] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.642810][ T8398] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.670107][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.678714][ T8398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.687171][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.694773][ T8398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.741869][ T8398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.759310][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.771777][ T4824] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.782568][ T4824] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.792424][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.809365][ T8398] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.821466][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.833343][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.840926][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.868346][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.878250][ T3791] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.886208][ T3791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.895634][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.905411][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.923064][ T8398] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.937671][ T8398] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.957664][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.966892][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.978619][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.988305][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.009127][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.017759][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.032589][ T8398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.055382][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.075348][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.086520][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.097050][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.109474][ T8398] device veth0_vlan entered promiscuous mode [ 74.122732][ T8398] device veth1_vlan entered promiscuous mode [ 74.147544][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.158159][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.167986][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.180242][ T8398] device veth0_macvtap entered promiscuous mode [ 74.193054][ T8398] device veth1_macvtap entered promiscuous mode [ 74.213835][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.222892][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.232966][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.247815][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.255849][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.267409][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.281276][ T8398] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.290952][ T8398] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.302099][ T8398] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.312347][ T8398] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.413592][ T66] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.430986][ T66] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.449384][ T8619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 74.466034][ T194] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.474254][ T194] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.494165][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 05:06:29 building call list... [ 75.158678][ T194] ------------[ cut here ]------------ [ 75.171365][ T194] hook not found, pf 3 num 0 [ 75.171994][ T194] WARNING: CPU: 1 PID: 194 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 75.189417][ T194] Modules linked in: [ 75.196956][ T194] CPU: 1 PID: 194 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 75.209636][ T194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.222272][ T194] Workqueue: netns cleanup_net [ 75.230035][ T194] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.238667][ T194] 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 [ 75.264832][ T194] RSP: 0018:ffffc90000f9fbc0 EFLAGS: 00010286 [ 75.271325][ T194] RAX: 0000000000000000 RBX: ffff888147844e00 RCX: 0000000000000000 [ 75.280165][ T194] RDX: ffff888012889c40 RSI: ffffffff815c8ba5 RDI: fffff520001f3f6a [ 75.289630][ T194] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.298312][ T194] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019d58f20 [ 75.307217][ T194] R13: 0000000000000000 R14: ffff888014c1aa00 R15: 0000000000000001 [ 75.325004][ T194] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 75.337287][ T194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.345242][ T194] CR2: 000000c000a00000 CR3: 000000001a17c000 CR4: 00000000001506f0 [ 75.354593][ T194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.365865][ T194] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.374987][ T194] Call Trace: [ 75.378947][ T194] nf_unregister_net_hooks+0x117/0x160 [ 75.385724][ T194] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.392510][ T194] ? arptable_filter_net_exit+0x20/0x20 [ 75.406074][ T194] cleanup_net+0x451/0xb10 [ 75.411242][ T194] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.417879][ T194] process_one_work+0x98d/0x1600 [ 75.423310][ T194] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.429398][ T194] ? rwlock_bug.part.0+0x90/0x90 [ 75.434594][ T194] ? _raw_spin_lock_irq+0x41/0x50 [ 75.440053][ T194] worker_thread+0x64c/0x1120 [ 75.446043][ T194] ? __kthread_parkme+0x13f/0x1e0 [ 75.451746][ T194] ? process_one_work+0x1600/0x1600 [ 75.457594][ T194] kthread+0x3b1/0x4a0 [ 75.462565][ T194] ? __kthread_bind_mask+0xc0/0xc0 [ 75.468285][ T194] ret_from_fork+0x1f/0x30 [ 75.473014][ T194] Kernel panic - not syncing: panic_on_warn set ... [ 75.479976][ T194] CPU: 0 PID: 194 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 75.489634][ T194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.502219][ T194] Workqueue: netns cleanup_net [ 75.507791][ T194] Call Trace: [ 75.511248][ T194] dump_stack+0x141/0x1d7 [ 75.515982][ T194] panic+0x306/0x73d [ 75.520240][ T194] ? __warn_printk+0xf3/0xf3 [ 75.525186][ T194] ? __warn.cold+0x1a/0x44 [ 75.529929][ T194] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.535858][ T194] __warn.cold+0x35/0x44 [ 75.540292][ T194] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.546198][ T194] report_bug+0x1bd/0x210 [ 75.550631][ T194] handle_bug+0x3c/0x60 [ 75.555115][ T194] exc_invalid_op+0x14/0x40 [ 75.559736][ T194] asm_exc_invalid_op+0x12/0x20 [ 75.564821][ T194] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.571343][ T194] 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 [ 75.591986][ T194] RSP: 0018:ffffc90000f9fbc0 EFLAGS: 00010286 [ 75.598169][ T194] RAX: 0000000000000000 RBX: ffff888147844e00 RCX: 0000000000000000 [ 75.606858][ T194] RDX: ffff888012889c40 RSI: ffffffff815c8ba5 RDI: fffff520001f3f6a [ 75.615295][ T194] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.623804][ T194] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019d58f20 [ 75.631789][ T194] R13: 0000000000000000 R14: ffff888014c1aa00 R15: 0000000000000001 [ 75.639871][ T194] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.645181][ T194] ? vprintk+0x95/0x260 [ 75.649457][ T194] nf_unregister_net_hooks+0x117/0x160 [ 75.655113][ T194] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.661187][ T194] ? arptable_filter_net_exit+0x20/0x20 [ 75.667944][ T194] cleanup_net+0x451/0xb10 [ 75.673782][ T194] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.679540][ T194] process_one_work+0x98d/0x1600 [ 75.684686][ T194] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.692008][ T194] ? rwlock_bug.part.0+0x90/0x90 [ 75.697237][ T194] ? _raw_spin_lock_irq+0x41/0x50 [ 75.702301][ T194] worker_thread+0x64c/0x1120 [ 75.707204][ T194] ? __kthread_parkme+0x13f/0x1e0 [ 75.712976][ T194] ? process_one_work+0x1600/0x1600 [ 75.719143][ T194] kthread+0x3b1/0x4a0 [ 75.723653][ T194] ? __kthread_bind_mask+0xc0/0xc0 [ 75.728968][ T194] ret_from_fork+0x1f/0x30 [ 75.735232][ T194] Kernel Offset: disabled [ 75.740268][ T194] Rebooting in 86400 seconds..