Warning: Permanently added '10.128.1.82' (ECDSA) to the list of known hosts. 2021/04/27 03:46:13 fuzzer started 2021/04/27 03:46:13 connecting to host at 10.128.0.169:45781 2021/04/27 03:46:13 checking machine... 2021/04/27 03:46:13 checking revisions... 2021/04/27 03:46:13 testing simple program... syzkaller login: [ 69.473939][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 69.541028][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.550900][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.561037][ T8405] device bridge_slave_0 entered promiscuous mode [ 69.572287][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.580803][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.589312][ T8405] device bridge_slave_1 entered promiscuous mode [ 69.612146][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.625224][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.646876][ T8405] team0: Port device team_slave_0 added [ 69.655843][ T8405] team0: Port device team_slave_1 added [ 69.674075][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.681061][ T8405] 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. [ 69.707653][ T8405] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.721627][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.729857][ T8405] 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. [ 69.756794][ T8405] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.783268][ T8405] device hsr_slave_0 entered promiscuous mode [ 69.790190][ T8405] device hsr_slave_1 entered promiscuous mode [ 69.894628][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.910551][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.921288][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.933656][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.960476][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.967815][ T8405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.976090][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.983302][ T8405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.029215][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.044991][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.057502][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.067180][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.077343][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.091659][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.104314][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.113357][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.120423][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.143173][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.151559][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.158848][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.167610][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.180623][ T8624] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.189712][ T8624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.205274][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.218433][ T8405] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.230535][ T8405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.239846][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.260622][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.268720][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.284353][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.316631][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.339431][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.349415][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.358414][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.369541][ T8405] device veth0_vlan entered promiscuous mode [ 70.383590][ T8405] device veth1_vlan entered promiscuous mode [ 70.405928][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.415506][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.424426][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.438874][ T8405] device veth0_macvtap entered promiscuous mode [ 70.449303][ T8405] device veth1_macvtap entered promiscuous mode [ 70.467793][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.477084][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.488169][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.500775][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.509983][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.519314][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.534784][ T8405] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.545124][ T8405] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.555191][ T8405] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.564027][ T8405] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.662013][ T209] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.683682][ T209] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.701389][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.708206][ T209] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.722668][ T209] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.731860][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/27 03:46:16 building call list... executing program [ 71.366112][ T209] ------------[ cut here ]------------ [ 71.373749][ T209] hook not found, pf 3 num 0 [ 71.374396][ T209] WARNING: CPU: 1 PID: 209 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 71.394049][ T209] Modules linked in: [ 71.397999][ T209] CPU: 1 PID: 209 Comm: kworker/u4:4 Not tainted 5.12.0-rc7-syzkaller #0 [ 71.410154][ T209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.422797][ T209] Workqueue: netns cleanup_net [ 71.427639][ T209] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 71.436479][ T209] 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 71.458968][ T209] RSP: 0018:ffffc9000105fbc0 EFLAGS: 00010286 [ 71.465884][ T209] RAX: 0000000000000000 RBX: ffff8881474f8700 RCX: 0000000000000000 [ 71.476216][ T209] RDX: ffff8880120ad4c0 RSI: ffffffff815c5205 RDI: fffff5200020bf6a [ 71.487469][ T209] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 71.499252][ T209] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff8880358d0f20 [ 71.508690][ T209] R13: 0000000000000000 R14: ffff888013f27b80 R15: 0000000000000001 [ 71.516920][ T209] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.526151][ T209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.533214][ T209] CR2: 000000c000a00000 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 71.541349][ T209] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.549569][ T209] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.559187][ T209] Call Trace: [ 71.562996][ T209] nf_unregister_net_hooks+0x117/0x160 [ 71.568557][ T209] arpt_unregister_table_pre_exit+0x67/0x80 [ 71.574578][ T209] ? arptable_filter_net_exit+0x20/0x20 [ 71.580228][ T209] cleanup_net+0x451/0xb10 [ 71.585258][ T209] ? ops_free_list.part.0+0x3d0/0x3d0 [ 71.590849][ T209] process_one_work+0x98d/0x1600 [ 71.596713][ T209] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.602731][ T209] ? rwlock_bug.part.0+0x90/0x90 [ 71.607795][ T209] ? _raw_spin_lock_irq+0x41/0x50 [ 71.613709][ T209] worker_thread+0x64c/0x1120 [ 71.618769][ T209] ? process_one_work+0x1600/0x1600 [ 71.624729][ T209] kthread+0x3b1/0x4a0 [ 71.628959][ T209] ? __kthread_bind_mask+0xc0/0xc0 [ 71.635362][ T209] ret_from_fork+0x1f/0x30 [ 71.639997][ T209] Kernel panic - not syncing: panic_on_warn set ... [ 71.646638][ T209] CPU: 0 PID: 209 Comm: kworker/u4:4 Not tainted 5.12.0-rc7-syzkaller #0 [ 71.655072][ T209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.665142][ T209] Workqueue: netns cleanup_net [ 71.670099][ T209] Call Trace: [ 71.673402][ T209] dump_stack+0x141/0x1d7 [ 71.677763][ T209] panic+0x306/0x73d [ 71.681683][ T209] ? __warn_printk+0xf3/0xf3 [ 71.686333][ T209] ? __warn.cold+0x1a/0x44 [ 71.690864][ T209] ? __nf_unregister_net_hook+0x1eb/0x610 [ 71.696609][ T209] __warn.cold+0x35/0x44 [ 71.700871][ T209] ? __nf_unregister_net_hook+0x1eb/0x610 [ 71.706610][ T209] report_bug+0x1bd/0x210 [ 71.711132][ T209] handle_bug+0x3c/0x60 [ 71.715391][ T209] exc_invalid_op+0x14/0x40 [ 71.719916][ T209] asm_exc_invalid_op+0x12/0x20 [ 71.724793][ T209] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 71.731239][ T209] 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 71.751221][ T209] RSP: 0018:ffffc9000105fbc0 EFLAGS: 00010286 [ 71.757315][ T209] RAX: 0000000000000000 RBX: ffff8881474f8700 RCX: 0000000000000000 [ 71.765306][ T209] RDX: ffff8880120ad4c0 RSI: ffffffff815c5205 RDI: fffff5200020bf6a [ 71.773305][ T209] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 71.781404][ T209] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff8880358d0f20 [ 71.789397][ T209] R13: 0000000000000000 R14: ffff888013f27b80 R15: 0000000000000001 [ 71.797542][ T209] ? wake_up_klogd.part.0+0x8e/0xd0 [ 71.802803][ T209] ? vprintk_func+0x95/0x1e0 [ 71.807456][ T209] nf_unregister_net_hooks+0x117/0x160 [ 71.813064][ T209] arpt_unregister_table_pre_exit+0x67/0x80 [ 71.819173][ T209] ? arptable_filter_net_exit+0x20/0x20 [ 71.824756][ T209] cleanup_net+0x451/0xb10 [ 71.829220][ T209] ? ops_free_list.part.0+0x3d0/0x3d0 [ 71.834622][ T209] process_one_work+0x98d/0x1600 [ 71.839674][ T209] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.845156][ T209] ? rwlock_bug.part.0+0x90/0x90 [ 71.850126][ T209] ? _raw_spin_lock_irq+0x41/0x50 [ 71.855187][ T209] worker_thread+0x64c/0x1120 [ 71.859906][ T209] ? process_one_work+0x1600/0x1600 [ 71.865127][ T209] kthread+0x3b1/0x4a0 [ 71.869224][ T209] ? __kthread_bind_mask+0xc0/0xc0 [ 71.874387][ T209] ret_from_fork+0x1f/0x30 [ 71.882376][ T209] Kernel Offset: disabled [ 71.887175][ T209] Rebooting in 86400 seconds..