Warning: Permanently added '10.128.1.75' (ECDSA) to the list of known hosts. 2021/05/04 05:29:17 fuzzer started 2021/05/04 05:29:17 connecting to host at 10.128.0.169:44745 2021/05/04 05:29:17 checking machine... 2021/05/04 05:29:17 checking revisions... 2021/05/04 05:29:17 testing simple program... syzkaller login: [ 73.727358][ T8418] chnl_net:caif_netlink_parms(): no params data found [ 73.807538][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.816553][ T8418] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.825648][ T8418] device bridge_slave_0 entered promiscuous mode [ 73.836282][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.844305][ T8418] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.853001][ T8418] device bridge_slave_1 entered promiscuous mode [ 73.872893][ T8418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.884708][ T8418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.909519][ T8418] team0: Port device team_slave_0 added [ 73.917327][ T8418] team0: Port device team_slave_1 added [ 73.935315][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.943660][ T8418] 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. [ 73.972297][ T8418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.986005][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.993787][ T8418] 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. [ 74.020857][ T8418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.046667][ T8418] device hsr_slave_0 entered promiscuous mode [ 74.053721][ T8418] device hsr_slave_1 entered promiscuous mode [ 74.160393][ T8418] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.173007][ T8418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.183926][ T8418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.194513][ T8418] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.224764][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.232862][ T8418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.241201][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.248374][ T8418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.297277][ T8418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.313274][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.325555][ T8639] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.336690][ T8639] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.346045][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.361874][ T8418] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.375529][ T4110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.387154][ T4110] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.394575][ T4110] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.415846][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.425603][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.433242][ T8640] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.454951][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.464501][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.473469][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.486249][ T8418] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.499656][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.508805][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.517820][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.542531][ T8418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.551091][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.558689][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.582910][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.606382][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.615605][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.624747][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.637522][ T8418] device veth0_vlan entered promiscuous mode [ 74.650613][ T8418] device veth1_vlan entered promiscuous mode [ 74.674368][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.685653][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.694552][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.705594][ T8418] device veth0_macvtap entered promiscuous mode [ 74.715132][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.726488][ T8418] device veth1_macvtap entered promiscuous mode [ 74.748019][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.756519][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.767040][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.781583][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.789827][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.799822][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.812665][ T8418] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.824067][ T8418] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.833591][ T8418] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.843443][ T8418] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.937756][ T3264] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.951073][ T3264] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.962181][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 74.995690][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.012948][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.024691][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 05:29:20 building call list... [ 75.693097][ T3264] ------------[ cut here ]------------ [ 75.698920][ T3264] hook not found, pf 3 num 0 [ 75.699577][ T3264] WARNING: CPU: 1 PID: 3264 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 75.717692][ T3264] Modules linked in: [ 75.724799][ T3264] CPU: 1 PID: 3264 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 75.735521][ T3264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.747567][ T3264] Workqueue: netns cleanup_net [ 75.753555][ T3264] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.760033][ T3264] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 75.782032][ T3264] RSP: 0018:ffffc9000337fbc0 EFLAGS: 00010286 [ 75.788327][ T3264] RAX: 0000000000000000 RBX: ffff888147892000 RCX: 0000000000000000 [ 75.798603][ T3264] RDX: ffff88801ca78000 RSI: ffffffff815c8ba5 RDI: fffff5200066ff6a [ 75.807766][ T3264] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.817362][ T3264] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028828f20 [ 75.826701][ T3264] R13: 0000000000000000 R14: ffff888014386880 R15: 0000000000000001 [ 75.836014][ T3264] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.846328][ T3264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.854259][ T3264] CR2: 00007fe883b6f000 CR3: 0000000028355000 CR4: 00000000001506e0 [ 75.863486][ T3264] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.872769][ T3264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.890895][ T3264] Call Trace: [ 75.894236][ T3264] nf_unregister_net_hooks+0x117/0x160 [ 75.899860][ T3264] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.909438][ T3264] ? arptable_filter_net_exit+0x20/0x20 [ 75.916306][ T3264] cleanup_net+0x451/0xb10 [ 75.921925][ T3264] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.927453][ T3264] process_one_work+0x98d/0x1600 [ 75.934037][ T3264] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.939583][ T3264] ? rwlock_bug.part.0+0x90/0x90 [ 75.945986][ T3264] ? _raw_spin_lock_irq+0x41/0x50 [ 75.952607][ T3264] worker_thread+0x64c/0x1120 [ 75.957624][ T3264] ? __kthread_parkme+0x13f/0x1e0 [ 75.964793][ T3264] ? process_one_work+0x1600/0x1600 [ 75.970153][ T3264] kthread+0x3b1/0x4a0 [ 75.976269][ T3264] ? __kthread_bind_mask+0xc0/0xc0 [ 75.982824][ T3264] ret_from_fork+0x1f/0x30 [ 75.987317][ T3264] Kernel panic - not syncing: panic_on_warn set ... [ 75.993929][ T3264] CPU: 1 PID: 3264 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 76.002180][ T3264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.012372][ T3264] Workqueue: netns cleanup_net [ 76.017174][ T3264] Call Trace: [ 76.020551][ T3264] dump_stack+0x141/0x1d7 [ 76.025169][ T3264] panic+0x306/0x73d [ 76.029177][ T3264] ? __warn_printk+0xf3/0xf3 [ 76.033909][ T3264] ? __warn.cold+0x1a/0x44 [ 76.038462][ T3264] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.044297][ T3264] __warn.cold+0x35/0x44 [ 76.048586][ T3264] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.054442][ T3264] report_bug+0x1bd/0x210 [ 76.058805][ T3264] handle_bug+0x3c/0x60 [ 76.063000][ T3264] exc_invalid_op+0x14/0x40 [ 76.067950][ T3264] asm_exc_invalid_op+0x12/0x20 [ 76.072882][ T3264] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.079312][ T3264] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.099795][ T3264] RSP: 0018:ffffc9000337fbc0 EFLAGS: 00010286 [ 76.106336][ T3264] RAX: 0000000000000000 RBX: ffff888147892000 RCX: 0000000000000000 [ 76.114407][ T3264] RDX: ffff88801ca78000 RSI: ffffffff815c8ba5 RDI: fffff5200066ff6a [ 76.122379][ T3264] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.130613][ T3264] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028828f20 [ 76.138665][ T3264] R13: 0000000000000000 R14: ffff888014386880 R15: 0000000000000001 [ 76.146822][ T3264] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.152031][ T3264] ? vprintk+0x95/0x260 [ 76.156195][ T3264] nf_unregister_net_hooks+0x117/0x160 [ 76.161753][ T3264] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.167988][ T3264] ? arptable_filter_net_exit+0x20/0x20 [ 76.173579][ T3264] cleanup_net+0x451/0xb10 [ 76.178275][ T3264] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.183665][ T3264] process_one_work+0x98d/0x1600 [ 76.188869][ T3264] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.194426][ T3264] ? rwlock_bug.part.0+0x90/0x90 [ 76.199373][ T3264] ? _raw_spin_lock_irq+0x41/0x50 [ 76.204718][ T3264] worker_thread+0x64c/0x1120 [ 76.209593][ T3264] ? __kthread_parkme+0x13f/0x1e0 [ 76.214806][ T3264] ? process_one_work+0x1600/0x1600 [ 76.220240][ T3264] kthread+0x3b1/0x4a0 [ 76.224754][ T3264] ? __kthread_bind_mask+0xc0/0xc0 [ 76.229959][ T3264] ret_from_fork+0x1f/0x30 [ 76.236040][ T3264] Kernel Offset: disabled [ 76.240791][ T3264] Rebooting in 86400 seconds..