Warning: Permanently added '10.128.1.69' (ECDSA) to the list of known hosts. 2021/05/04 21:11:00 fuzzer started 2021/05/04 21:11:00 connecting to host at 10.128.0.169:44653 2021/05/04 21:11:00 checking machine... 2021/05/04 21:11:00 checking revisions... 2021/05/04 21:11:00 testing simple program... syzkaller login: [ 73.867214][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 73.951473][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.959936][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.968401][ T8419] device bridge_slave_0 entered promiscuous mode [ 73.977550][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.986187][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.995057][ T8419] device bridge_slave_1 entered promiscuous mode [ 74.018960][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.030705][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.054455][ T8419] team0: Port device team_slave_0 added [ 74.063071][ T8419] team0: Port device team_slave_1 added [ 74.081033][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.089167][ T8419] 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. [ 74.116544][ T8419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.130415][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.138946][ T8419] 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. [ 74.168452][ T8419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.196610][ T8419] device hsr_slave_0 entered promiscuous mode [ 74.204281][ T8419] device hsr_slave_1 entered promiscuous mode [ 74.323912][ T8419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.336086][ T8419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.347985][ T8419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.361244][ T8419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.388757][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.396182][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.405464][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.412749][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.457490][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.473657][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.486419][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.495858][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.506232][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.521020][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.533942][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.543324][ T3145] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.551360][ T3145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.563374][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.574394][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.581830][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.605656][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.615705][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.630230][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.644151][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.658518][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.672156][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.692989][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.701058][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.715818][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.736867][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.759605][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.770457][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.778762][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.791930][ T8419] device veth0_vlan entered promiscuous mode [ 74.805894][ T8419] device veth1_vlan entered promiscuous mode [ 74.830107][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.841812][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.850825][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.863955][ T8419] device veth0_macvtap entered promiscuous mode [ 74.875251][ T8419] device veth1_macvtap entered promiscuous mode [ 74.895258][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.904338][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.914042][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.927005][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.943279][ T8419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.956330][ T8419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.969058][ T8419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.978472][ T8419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.989802][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.000236][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.093346][ T219] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.124791][ T219] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.145927][ T3284] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.149861][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.156383][ T3284] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.186168][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/04 21:11:03 building call list... [ 75.895621][ T172] ------------[ cut here ]------------ [ 75.906947][ T172] hook not found, pf 3 num 0 [ 75.907712][ T172] WARNING: CPU: 0 PID: 172 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 75.928015][ T172] Modules linked in: [ 75.932162][ T172] CPU: 0 PID: 172 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 75.944260][ T172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.956766][ T172] Workqueue: netns cleanup_net [ 75.964234][ T172] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.980823][ T172] 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 90 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.007672][ T172] RSP: 0018:ffffc9000162fbc0 EFLAGS: 00010286 [ 76.015323][ T172] RAX: 0000000000000000 RBX: ffff88814732ec00 RCX: 0000000000000000 [ 76.024949][ T172] RDX: ffff8880127e9c40 RSI: ffffffff815c8ba5 RDI: fffff520002c5f6a [ 76.034368][ T172] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.044189][ T172] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801a218f20 [ 76.061579][ T172] R13: 0000000000000000 R14: ffff88801784f700 R15: 0000000000000001 [ 76.072268][ T172] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 76.082760][ T172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.091845][ T172] CR2: 00007f49a3ce8017 CR3: 000000001d45d000 CR4: 00000000001506f0 [ 76.101498][ T172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.111905][ T172] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.121258][ T172] Call Trace: [ 76.124763][ T172] nf_unregister_net_hooks+0x117/0x160 [ 76.134700][ T172] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.141946][ T172] ? arptable_filter_net_exit+0x20/0x20 [ 76.147861][ T172] cleanup_net+0x451/0xb10 [ 76.153997][ T172] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.161532][ T172] process_one_work+0x98d/0x1600 [ 76.166573][ T172] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.174177][ T172] ? rwlock_bug.part.0+0x90/0x90 [ 76.180838][ T172] ? _raw_spin_lock_irq+0x41/0x50 [ 76.186152][ T172] worker_thread+0x64c/0x1120 [ 76.192751][ T172] ? process_one_work+0x1600/0x1600 [ 76.199331][ T172] kthread+0x3b1/0x4a0 [ 76.203445][ T172] ? __kthread_bind_mask+0xc0/0xc0 [ 76.212270][ T172] ret_from_fork+0x1f/0x30 [ 76.217028][ T172] Kernel panic - not syncing: panic_on_warn set ... [ 76.224348][ T172] CPU: 0 PID: 172 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 76.233102][ T172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.243371][ T172] Workqueue: netns cleanup_net [ 76.248427][ T172] Call Trace: [ 76.251836][ T172] dump_stack+0x141/0x1d7 [ 76.256216][ T172] panic+0x306/0x73d [ 76.260165][ T172] ? __warn_printk+0xf3/0xf3 [ 76.264963][ T172] ? __warn.cold+0x1a/0x44 [ 76.269549][ T172] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.275296][ T172] __warn.cold+0x35/0x44 [ 76.280180][ T172] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.286275][ T172] report_bug+0x1bd/0x210 [ 76.290677][ T172] handle_bug+0x3c/0x60 [ 76.294954][ T172] exc_invalid_op+0x14/0x40 [ 76.299570][ T172] asm_exc_invalid_op+0x12/0x20 [ 76.304443][ T172] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.310978][ T172] 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 90 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.331130][ T172] RSP: 0018:ffffc9000162fbc0 EFLAGS: 00010286 [ 76.337363][ T172] RAX: 0000000000000000 RBX: ffff88814732ec00 RCX: 0000000000000000 [ 76.345531][ T172] RDX: ffff8880127e9c40 RSI: ffffffff815c8ba5 RDI: fffff520002c5f6a [ 76.356304][ T172] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.364378][ T172] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801a218f20 [ 76.372459][ T172] R13: 0000000000000000 R14: ffff88801784f700 R15: 0000000000000001 [ 76.380888][ T172] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.386424][ T172] ? vprintk+0x95/0x260 [ 76.390650][ T172] nf_unregister_net_hooks+0x117/0x160 [ 76.396253][ T172] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.402487][ T172] ? arptable_filter_net_exit+0x20/0x20 [ 76.408108][ T172] cleanup_net+0x451/0xb10 [ 76.412570][ T172] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.418321][ T172] process_one_work+0x98d/0x1600 [ 76.423658][ T172] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.429152][ T172] ? rwlock_bug.part.0+0x90/0x90 [ 76.434554][ T172] ? _raw_spin_lock_irq+0x41/0x50 [ 76.440420][ T172] worker_thread+0x64c/0x1120 [ 76.445740][ T172] ? process_one_work+0x1600/0x1600 [ 76.452051][ T172] kthread+0x3b1/0x4a0 [ 76.456242][ T172] ? __kthread_bind_mask+0xc0/0xc0 [ 76.461560][ T172] ret_from_fork+0x1f/0x30 [ 76.467930][ T172] Kernel Offset: disabled [ 76.472781][ T172] Rebooting in 86400 seconds..