Warning: Permanently added '10.128.1.78' (ECDSA) to the list of known hosts. 2021/05/04 05:29:20 fuzzer started 2021/05/04 05:29:20 connecting to host at 10.128.0.169:45495 2021/05/04 05:29:20 checking machine... 2021/05/04 05:29:20 checking revisions... 2021/05/04 05:29:20 testing simple program... syzkaller login: [ 75.462716][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 75.516392][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.525403][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.535982][ T8439] device bridge_slave_0 entered promiscuous mode [ 75.546447][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.555133][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.564426][ T8439] device bridge_slave_1 entered promiscuous mode [ 75.585699][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.597665][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.625219][ T8439] team0: Port device team_slave_0 added [ 75.633458][ T8439] team0: Port device team_slave_1 added [ 75.651524][ T8439] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.658938][ T8439] 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. [ 75.687173][ T8439] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.701176][ T8439] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.709634][ T8439] 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. [ 75.738419][ T8439] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.766536][ T8439] device hsr_slave_0 entered promiscuous mode [ 75.774289][ T8439] device hsr_slave_1 entered promiscuous mode [ 75.885091][ T8439] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.899611][ T8439] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.911329][ T8439] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.921838][ T8439] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.968365][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.977063][ T8439] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.986463][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.994391][ T8439] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.042534][ T8439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.059944][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.074861][ T3756] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.085442][ T3756] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.095903][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.112729][ T8439] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.125651][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.137374][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.145483][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.170193][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.180477][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.188052][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.197914][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.216482][ T8439] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.231111][ T8439] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.244611][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.253949][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.263915][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.274394][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.285722][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.305579][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.314224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.332280][ T8439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.352347][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.374080][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.385781][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.395576][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.406641][ T8439] device veth0_vlan entered promiscuous mode [ 76.420593][ T8439] device veth1_vlan entered promiscuous mode [ 76.439267][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.449621][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.465864][ T8439] device veth0_macvtap entered promiscuous mode [ 76.476195][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.487440][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.501237][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.512166][ T8439] device veth1_macvtap entered promiscuous mode [ 76.531967][ T8439] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.541819][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.551567][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.562484][ T3756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.576861][ T8439] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.586821][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.596592][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.611312][ T8439] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.620833][ T8439] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.635229][ T8439] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.647291][ T8439] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 76.751390][ T276] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.760491][ T276] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.785229][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.806771][ T276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.815439][ T276] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.826149][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 05:29:23 building call list... [ 77.499975][ T25] ------------[ cut here ]------------ [ 77.506277][ T25] hook not found, pf 3 num 0 [ 77.506949][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.530419][ T25] Modules linked in: [ 77.534818][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 77.545192][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.559426][ T25] Workqueue: netns cleanup_net [ 77.564774][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.573270][ T25] 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 [ 77.573317][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 77.573342][ T25] RAX: 0000000000000000 RBX: ffff888021798100 RCX: 0000000000000000 [ 77.573360][ T25] RDX: ffff888011eeb880 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 77.573378][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.573393][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802aaf8f20 [ 77.573411][ T25] R13: 0000000000000000 R14: ffff8880153ff600 R15: 0000000000000001 [ 77.659744][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 77.669241][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.676302][ T25] CR2: 00007f18ed9db000 CR3: 000000001f427000 CR4: 00000000001506e0 [ 77.687724][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.696411][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.705220][ T25] Call Trace: [ 77.709135][ T25] nf_unregister_net_hooks+0x117/0x160 [ 77.714905][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.721827][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 77.729109][ T25] cleanup_net+0x451/0xb10 [ 77.733745][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.740126][ T25] process_one_work+0x98d/0x1600 [ 77.745462][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.751548][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 77.756825][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 77.764017][ T25] worker_thread+0x64c/0x1120 [ 77.769820][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 77.775759][ T25] ? process_one_work+0x1600/0x1600 [ 77.781950][ T25] kthread+0x3b1/0x4a0 [ 77.786512][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 77.794347][ T25] ret_from_fork+0x1f/0x30 [ 77.799625][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 77.806802][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 77.815589][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.828036][ T25] Workqueue: netns cleanup_net [ 77.833971][ T25] Call Trace: [ 77.837478][ T25] dump_stack+0x141/0x1d7 [ 77.841927][ T25] panic+0x306/0x73d [ 77.846226][ T25] ? __warn_printk+0xf3/0xf3 [ 77.851201][ T25] ? __warn.cold+0x1a/0x44 [ 77.855771][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.861958][ T25] __warn.cold+0x35/0x44 [ 77.866316][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.872691][ T25] report_bug+0x1bd/0x210 [ 77.877504][ T25] handle_bug+0x3c/0x60 [ 77.881779][ T25] exc_invalid_op+0x14/0x40 [ 77.886505][ T25] asm_exc_invalid_op+0x12/0x20 [ 77.891724][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.899112][ T25] 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 [ 77.920067][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 77.926222][ T25] RAX: 0000000000000000 RBX: ffff888021798100 RCX: 0000000000000000 [ 77.934374][ T25] RDX: ffff888011eeb880 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 77.942613][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.952609][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802aaf8f20 [ 77.960865][ T25] R13: 0000000000000000 R14: ffff8880153ff600 R15: 0000000000000001 [ 77.968932][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.974319][ T25] ? vprintk+0x95/0x260 [ 77.978487][ T25] nf_unregister_net_hooks+0x117/0x160 [ 77.983948][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.990099][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 77.995824][ T25] cleanup_net+0x451/0xb10 [ 78.000325][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.005787][ T25] process_one_work+0x98d/0x1600 [ 78.011219][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.017090][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 78.022494][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 78.027796][ T25] worker_thread+0x64c/0x1120 [ 78.032719][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 78.037985][ T25] ? process_one_work+0x1600/0x1600 [ 78.043397][ T25] kthread+0x3b1/0x4a0 [ 78.047821][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 78.053029][ T25] ret_from_fork+0x1f/0x30 [ 78.059862][ T25] Kernel Offset: disabled [ 78.064738][ T25] Rebooting in 86400 seconds..