Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2021/04/29 23:32:28 fuzzer started 2021/04/29 23:32:28 connecting to host at 10.128.0.169:34473 2021/04/29 23:32:28 checking machine... 2021/04/29 23:32:28 checking revisions... 2021/04/29 23:32:28 testing simple program... syzkaller login: [ 77.625029][ T8420] chnl_net:caif_netlink_parms(): no params data found [ 77.679436][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.687592][ T8420] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.696289][ T8420] device bridge_slave_0 entered promiscuous mode [ 77.706289][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.715106][ T8420] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.723955][ T8420] device bridge_slave_1 entered promiscuous mode [ 77.745525][ T8420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.756578][ T8420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.783054][ T8420] team0: Port device team_slave_0 added [ 77.792102][ T8420] team0: Port device team_slave_1 added [ 77.811422][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.818735][ T8420] 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. [ 77.846227][ T8420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.859988][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.868344][ T8420] 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. [ 77.895960][ T8420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.925354][ T8420] device hsr_slave_0 entered promiscuous mode [ 77.933221][ T8420] device hsr_slave_1 entered promiscuous mode [ 78.052814][ T8420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.064472][ T8420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.083466][ T8420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.093004][ T8420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.124963][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.132429][ T8420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.141232][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.148489][ T8420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.201327][ T8420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.216477][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.228414][ T3169] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.241444][ T3169] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.251451][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.267190][ T8420] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.279592][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.290230][ T3290] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.297722][ T3290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.312455][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.321726][ T3169] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.329176][ T3169] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.353637][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.371040][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.381645][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.391511][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.405054][ T8420] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.421388][ T8420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.431819][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.455906][ T8420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.465859][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.475052][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.500634][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.522661][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.532732][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.541593][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.553349][ T8420] device veth0_vlan entered promiscuous mode [ 78.567041][ T8420] device veth1_vlan entered promiscuous mode [ 78.593770][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.603729][ T3147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.616902][ T8420] device veth0_macvtap entered promiscuous mode [ 78.628742][ T8420] device veth1_macvtap entered promiscuous mode [ 78.647557][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.656902][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.666601][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.676046][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.685443][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.698804][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.707442][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.716620][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.735810][ T8420] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.744971][ T8420] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.759963][ T8420] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.769466][ T8420] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.864907][ T246] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.889936][ T246] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.915584][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.934959][ T246] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.944740][ T246] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 78.959171][ T3290] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/29 23:32:31 building call list... [ 79.687360][ T234] ------------[ cut here ]------------ [ 79.709904][ T234] hook not found, pf 3 num 0 [ 79.710502][ T234] WARNING: CPU: 1 PID: 234 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.730479][ T234] Modules linked in: [ 79.734580][ T234] CPU: 1 PID: 234 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 79.743286][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.755324][ T234] Workqueue: netns cleanup_net [ 79.762663][ T234] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.769356][ T234] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.791590][ T234] RSP: 0018:ffffc900019afbc0 EFLAGS: 00010286 [ 79.798201][ T234] RAX: 0000000000000000 RBX: ffff888147455100 RCX: 0000000000000000 [ 79.806979][ T234] RDX: ffff8880128cd4c0 RSI: ffffffff815c8ba5 RDI: fffff52000335f6a [ 79.816926][ T234] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.825394][ T234] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888026690f20 [ 79.835230][ T234] R13: 0000000000000000 R14: ffff88801c119a00 R15: 0000000000000001 [ 79.844518][ T234] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.857324][ T234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.865012][ T234] CR2: 00007f78114ab2c0 CR3: 0000000018d0d000 CR4: 00000000001506e0 [ 79.874954][ T234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.883413][ T234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.893815][ T234] Call Trace: [ 79.897330][ T234] nf_unregister_net_hooks+0x117/0x160 [ 79.903776][ T234] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.912125][ T234] ? arptable_filter_net_exit+0x20/0x20 [ 79.917964][ T234] cleanup_net+0x451/0xb10 [ 79.925243][ T234] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.932646][ T234] process_one_work+0x98d/0x1600 [ 79.937812][ T234] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.944227][ T234] ? rwlock_bug.part.0+0x90/0x90 [ 79.949254][ T234] ? _raw_spin_lock_irq+0x41/0x50 [ 79.956192][ T234] worker_thread+0x64c/0x1120 [ 79.962291][ T234] ? process_one_work+0x1600/0x1600 [ 79.967710][ T234] kthread+0x3b1/0x4a0 [ 79.973543][ T234] ? __kthread_bind_mask+0xc0/0xc0 [ 79.978841][ T234] ret_from_fork+0x1f/0x30 [ 79.983681][ T234] Kernel panic - not syncing: panic_on_warn set ... [ 79.990293][ T234] CPU: 1 PID: 234 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 79.998432][ T234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.008517][ T234] Workqueue: netns cleanup_net [ 80.013332][ T234] Call Trace: [ 80.016711][ T234] dump_stack+0x141/0x1d7 [ 80.021062][ T234] panic+0x306/0x73d [ 80.024990][ T234] ? __warn_printk+0xf3/0xf3 [ 80.029640][ T234] ? __warn.cold+0x1a/0x44 [ 80.034160][ T234] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.040246][ T234] __warn.cold+0x35/0x44 [ 80.044505][ T234] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.050543][ T234] report_bug+0x1bd/0x210 [ 80.054892][ T234] handle_bug+0x3c/0x60 [ 80.059154][ T234] exc_invalid_op+0x14/0x40 [ 80.063682][ T234] asm_exc_invalid_op+0x12/0x20 [ 80.068549][ T234] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.074978][ T234] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.094851][ T234] RSP: 0018:ffffc900019afbc0 EFLAGS: 00010286 [ 80.100935][ T234] RAX: 0000000000000000 RBX: ffff888147455100 RCX: 0000000000000000 [ 80.109073][ T234] RDX: ffff8880128cd4c0 RSI: ffffffff815c8ba5 RDI: fffff52000335f6a [ 80.117057][ T234] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.125027][ T234] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888026690f20 [ 80.133115][ T234] R13: 0000000000000000 R14: ffff88801c119a00 R15: 0000000000000001 [ 80.141102][ T234] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.146317][ T234] ? vprintk+0x95/0x260 [ 80.150573][ T234] nf_unregister_net_hooks+0x117/0x160 [ 80.156233][ T234] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.162132][ T234] ? arptable_filter_net_exit+0x20/0x20 [ 80.167681][ T234] cleanup_net+0x451/0xb10 [ 80.172101][ T234] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.177594][ T234] process_one_work+0x98d/0x1600 [ 80.182557][ T234] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.187936][ T234] ? rwlock_bug.part.0+0x90/0x90 [ 80.192880][ T234] ? _raw_spin_lock_irq+0x41/0x50 [ 80.197919][ T234] worker_thread+0x64c/0x1120 [ 80.202715][ T234] ? process_one_work+0x1600/0x1600 [ 80.208002][ T234] kthread+0x3b1/0x4a0 [ 80.212073][ T234] ? __kthread_bind_mask+0xc0/0xc0 [ 80.217269][ T234] ret_from_fork+0x1f/0x30 [ 80.222850][ T234] Kernel Offset: disabled [ 80.227296][ T234] Rebooting in 86400 seconds..