Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. 2021/05/05 20:04:59 fuzzer started 2021/05/05 20:04:59 connecting to host at 10.128.0.169:40267 2021/05/05 20:04:59 checking machine... 2021/05/05 20:04:59 checking revisions... 2021/05/05 20:04:59 testing simple program... syzkaller login: [ 84.265440][ T8447] chnl_net:caif_netlink_parms(): no params data found [ 84.328275][ T8447] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.337948][ T8447] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.347251][ T8447] device bridge_slave_0 entered promiscuous mode [ 84.356552][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.364029][ T8447] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.373163][ T8447] device bridge_slave_1 entered promiscuous mode [ 84.394356][ T8447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.405512][ T8447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.428219][ T8447] team0: Port device team_slave_0 added [ 84.436158][ T8447] team0: Port device team_slave_1 added [ 84.455082][ T8447] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.462286][ T8447] 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. [ 84.490498][ T8447] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.503765][ T8447] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.510760][ T8447] 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. [ 84.537368][ T8447] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.565360][ T8447] device hsr_slave_0 entered promiscuous mode [ 84.572376][ T8447] device hsr_slave_1 entered promiscuous mode [ 84.684834][ T8447] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.695880][ T8447] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.707321][ T8447] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.718423][ T8447] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.745828][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.753373][ T8447] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.761678][ T8447] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.769131][ T8447] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.823029][ T8447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.837362][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.848721][ T3157] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.858654][ T3157] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.867306][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 84.883253][ T8447] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.896084][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.905429][ T2941] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.912708][ T2941] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.932164][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.940731][ T2941] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.947981][ T2941] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.961911][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.972739][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.982991][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.002291][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.010905][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.022486][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.042246][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.049912][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.065368][ T8447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.085964][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 85.108612][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 85.117493][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 85.125623][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 85.138028][ T8447] device veth0_vlan entered promiscuous mode [ 85.152373][ T8447] device veth1_vlan entered promiscuous mode [ 85.176774][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 85.185689][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 85.195329][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 85.207541][ T8447] device veth0_macvtap entered promiscuous mode [ 85.220013][ T8447] device veth1_macvtap entered promiscuous mode [ 85.239062][ T8447] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.247904][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 85.258165][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 85.270426][ T8447] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.279123][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 85.290056][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.302188][ T8447] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.312837][ T8447] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.322896][ T8447] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.332165][ T8447] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.428032][ T3106] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.450222][ T3106] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 85.482147][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.496759][ T3106] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.507589][ T3106] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.517184][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/05 20:05:02 building call list... [ 88.054324][ T8438] can: request_module (can-proto-0) failed. [ 88.069270][ T8438] can: request_module (can-proto-0) failed. [ 88.084210][ T8438] can: request_module (can-proto-0) failed. [ 88.158394][ T229] ------------[ cut here ]------------ [ 88.169370][ T229] hook not found, pf 3 num 0 [ 88.169979][ T229] WARNING: CPU: 0 PID: 229 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 88.189411][ T229] Modules linked in: [ 88.194460][ T229] CPU: 0 PID: 229 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 88.205638][ T229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.218061][ T229] Workqueue: netns cleanup_net [ 88.225385][ T229] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 88.234129][ T229] 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 50 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 69 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 88.256177][ T229] RSP: 0018:ffffc9000194fbc0 EFLAGS: 00010286 [ 88.263263][ T229] RAX: 0000000000000000 RBX: ffff888149ec3600 RCX: 0000000000000000 [ 88.272526][ T229] RDX: ffff8880157e3880 RSI: ffffffff815c8ba5 RDI: fffff52000329f6a [ 88.280640][ T229] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 88.292032][ T229] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801bbb8f20 [ 88.300057][ T229] R13: 0000000000000000 R14: ffff888022130580 R15: 0000000000000001 [ 88.309740][ T229] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 88.320300][ T229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.328368][ T229] CR2: 00007fff19576fac CR3: 0000000016d78000 CR4: 00000000001506e0 [ 88.337538][ T229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.346794][ T229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.355960][ T229] Call Trace: [ 88.359400][ T229] nf_unregister_net_hooks+0x117/0x160 [ 88.366469][ T229] arpt_unregister_table_pre_exit+0x67/0x80 [ 88.373705][ T229] ? arptable_filter_net_exit+0x20/0x20 [ 88.379307][ T229] cleanup_net+0x451/0xb10 [ 88.385343][ T229] ? ops_free_list.part.0+0x3d0/0x3d0 [ 88.390786][ T229] process_one_work+0x98d/0x1600 [ 88.397371][ T229] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.403985][ T229] ? rwlock_bug.part.0+0x90/0x90 [ 88.409071][ T229] ? _raw_spin_lock_irq+0x41/0x50 [ 88.415665][ T229] worker_thread+0x64c/0x1120 [ 88.420565][ T229] ? __kthread_parkme+0x13f/0x1e0 [ 88.427220][ T229] ? process_one_work+0x1600/0x1600 [ 88.433993][ T229] kthread+0x3b1/0x4a0 [ 88.438205][ T229] ? __kthread_bind_mask+0xc0/0xc0 [ 88.444989][ T229] ret_from_fork+0x1f/0x30 [ 88.449479][ T229] Kernel panic - not syncing: panic_on_warn set ... [ 88.456169][ T229] CPU: 1 PID: 229 Comm: kworker/u4:6 Not tainted 5.12.0-syzkaller #0 [ 88.464288][ T229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.474372][ T229] Workqueue: netns cleanup_net [ 88.479186][ T229] Call Trace: [ 88.482489][ T229] dump_stack+0x141/0x1d7 [ 88.486847][ T229] panic+0x306/0x73d [ 88.490763][ T229] ? __warn_printk+0xf3/0xf3 [ 88.495386][ T229] ? __warn.cold+0x1a/0x44 [ 88.499836][ T229] ? __nf_unregister_net_hook+0x1eb/0x610 [ 88.505694][ T229] __warn.cold+0x35/0x44 [ 88.509972][ T229] ? __nf_unregister_net_hook+0x1eb/0x610 [ 88.515726][ T229] report_bug+0x1bd/0x210 [ 88.520071][ T229] handle_bug+0x3c/0x60 [ 88.524252][ T229] exc_invalid_op+0x14/0x40 [ 88.528845][ T229] asm_exc_invalid_op+0x12/0x20 [ 88.533695][ T229] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 88.540038][ T229] 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 50 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 69 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 88.559822][ T229] RSP: 0018:ffffc9000194fbc0 EFLAGS: 00010286 [ 88.565924][ T229] RAX: 0000000000000000 RBX: ffff888149ec3600 RCX: 0000000000000000 [ 88.573898][ T229] RDX: ffff8880157e3880 RSI: ffffffff815c8ba5 RDI: fffff52000329f6a [ 88.581945][ T229] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 88.589908][ T229] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801bbb8f20 [ 88.597871][ T229] R13: 0000000000000000 R14: ffff888022130580 R15: 0000000000000001 [ 88.605842][ T229] ? wake_up_klogd.part.0+0x8e/0xd0 [ 88.611050][ T229] ? vprintk+0x95/0x260 [ 88.615222][ T229] nf_unregister_net_hooks+0x117/0x160 [ 88.620699][ T229] arpt_unregister_table_pre_exit+0x67/0x80 [ 88.626592][ T229] ? arptable_filter_net_exit+0x20/0x20 [ 88.632408][ T229] cleanup_net+0x451/0xb10 [ 88.636844][ T229] ? ops_free_list.part.0+0x3d0/0x3d0 [ 88.642234][ T229] process_one_work+0x98d/0x1600 [ 88.647188][ T229] ? pwq_dec_nr_in_flight+0x320/0x320 [ 88.652565][ T229] ? rwlock_bug.part.0+0x90/0x90 [ 88.657676][ T229] ? _raw_spin_lock_irq+0x41/0x50 [ 88.662714][ T229] worker_thread+0x64c/0x1120 [ 88.667401][ T229] ? __kthread_parkme+0x13f/0x1e0 [ 88.672767][ T229] ? process_one_work+0x1600/0x1600 [ 88.677977][ T229] kthread+0x3b1/0x4a0 [ 88.682125][ T229] ? __kthread_bind_mask+0xc0/0xc0 [ 88.687261][ T229] ret_from_fork+0x1f/0x30 [ 88.693116][ T229] Kernel Offset: disabled [ 88.697712][ T229] Rebooting in 86400 seconds..