Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. 2021/04/30 18:12:10 fuzzer started 2021/04/30 18:12:10 connecting to host at 10.128.0.169:44609 2021/04/30 18:12:10 checking machine... 2021/04/30 18:12:10 checking revisions... 2021/04/30 18:12:10 testing simple program... syzkaller login: [ 76.790895][ T8437] chnl_net:caif_netlink_parms(): no params data found [ 76.876506][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.885426][ T8437] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.896438][ T8437] device bridge_slave_0 entered promiscuous mode [ 76.907006][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.914776][ T8437] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.924003][ T8437] device bridge_slave_1 entered promiscuous mode [ 76.947155][ T8437] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.959301][ T8437] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.982278][ T8437] team0: Port device team_slave_0 added [ 76.990925][ T8437] team0: Port device team_slave_1 added [ 77.009544][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.017455][ T8437] 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. [ 77.044758][ T8437] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.058644][ T8437] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.066240][ T8437] 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. [ 77.093708][ T8437] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.123488][ T8437] device hsr_slave_0 entered promiscuous mode [ 77.130914][ T8437] device hsr_slave_1 entered promiscuous mode [ 77.242464][ T8437] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.256853][ T8437] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.269283][ T8437] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.278642][ T8437] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.305770][ T8437] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.314110][ T8437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.323510][ T8437] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.331633][ T8437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.382627][ T8437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.398252][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.414196][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.424102][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.435048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.451853][ T8437] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.464383][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.475440][ T3279] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.483460][ T3279] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.500642][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.510732][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.518077][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.551738][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.563449][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.573855][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.583439][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.593493][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.606596][ T8437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.628635][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.636499][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.651060][ T8437] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.674514][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.698943][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.708294][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.719677][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.733668][ T8437] device veth0_vlan entered promiscuous mode [ 77.747582][ T8437] device veth1_vlan entered promiscuous mode [ 77.769332][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.778096][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.795116][ T8437] device veth0_macvtap entered promiscuous mode [ 77.804202][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.815696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.828084][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.838920][ T8437] device veth1_macvtap entered promiscuous mode [ 77.858128][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.869957][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.879062][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.891931][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.907657][ T8437] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.923920][ T8437] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.936776][ T8437] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.949474][ T8437] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.960906][ T8437] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.974208][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.985094][ T3279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.091704][ T188] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.101344][ T188] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 78.135467][ T4848] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.167182][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.176510][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.186513][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/30 18:12:13 building call list... [ 78.827225][ T312] ------------[ cut here ]------------ [ 78.835199][ T312] hook not found, pf 3 num 0 [ 78.835985][ T312] WARNING: CPU: 1 PID: 312 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.857445][ T312] Modules linked in: [ 78.865335][ T312] CPU: 1 PID: 312 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 78.876385][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.890954][ T312] Workqueue: netns cleanup_net [ 78.896354][ T312] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.904838][ T312] 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 [ 78.928975][ T312] RSP: 0018:ffffc900012efbc0 EFLAGS: 00010286 [ 78.935812][ T312] RAX: 0000000000000000 RBX: ffff8881479e7100 RCX: 0000000000000000 [ 78.956083][ T312] RDX: ffff888012b61c40 RSI: ffffffff815c8ba5 RDI: fffff5200025df6a [ 78.966081][ T312] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.977276][ T312] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880175a0f20 [ 78.986830][ T312] R13: 0000000000000000 R14: ffff888020b77600 R15: 0000000000000001 [ 78.997298][ T312] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.008087][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.016315][ T312] CR2: 00007fd406872000 CR3: 0000000012b04000 CR4: 00000000001506e0 [ 79.027629][ T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.038084][ T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.049303][ T312] Call Trace: [ 79.052894][ T312] nf_unregister_net_hooks+0x117/0x160 [ 79.063049][ T312] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.070485][ T312] ? arptable_filter_net_exit+0x20/0x20 [ 79.076406][ T312] cleanup_net+0x451/0xb10 [ 79.084393][ T312] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.090987][ T312] process_one_work+0x98d/0x1600 [ 79.096931][ T312] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.107265][ T312] ? rwlock_bug.part.0+0x90/0x90 [ 79.113811][ T312] ? _raw_spin_lock_irq+0x41/0x50 [ 79.121214][ T312] worker_thread+0x64c/0x1120 [ 79.126410][ T312] ? process_one_work+0x1600/0x1600 [ 79.133466][ T312] kthread+0x3b1/0x4a0 [ 79.139203][ T312] ? __kthread_bind_mask+0xc0/0xc0 [ 79.145013][ T312] ret_from_fork+0x1f/0x30 [ 79.151336][ T312] Kernel panic - not syncing: panic_on_warn set ... [ 79.159044][ T312] CPU: 1 PID: 312 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 79.168132][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.178907][ T312] Workqueue: netns cleanup_net [ 79.184074][ T312] Call Trace: [ 79.187554][ T312] dump_stack+0x141/0x1d7 [ 79.191892][ T312] panic+0x306/0x73d [ 79.195929][ T312] ? __warn_printk+0xf3/0xf3 [ 79.201241][ T312] ? __warn.cold+0x1a/0x44 [ 79.206054][ T312] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.212082][ T312] __warn.cold+0x35/0x44 [ 79.216353][ T312] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.222261][ T312] report_bug+0x1bd/0x210 [ 79.226685][ T312] handle_bug+0x3c/0x60 [ 79.230937][ T312] exc_invalid_op+0x14/0x40 [ 79.236512][ T312] asm_exc_invalid_op+0x12/0x20 [ 79.241731][ T312] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.248869][ T312] 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 [ 79.272093][ T312] RSP: 0018:ffffc900012efbc0 EFLAGS: 00010286 [ 79.278540][ T312] RAX: 0000000000000000 RBX: ffff8881479e7100 RCX: 0000000000000000 [ 79.286887][ T312] RDX: ffff888012b61c40 RSI: ffffffff815c8ba5 RDI: fffff5200025df6a [ 79.295415][ T312] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.303656][ T312] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880175a0f20 [ 79.312235][ T312] R13: 0000000000000000 R14: ffff888020b77600 R15: 0000000000000001 [ 79.320845][ T312] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.326338][ T312] ? vprintk+0x95/0x260 [ 79.330896][ T312] nf_unregister_net_hooks+0x117/0x160 [ 79.336535][ T312] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.343131][ T312] ? arptable_filter_net_exit+0x20/0x20 [ 79.349396][ T312] cleanup_net+0x451/0xb10 [ 79.354008][ T312] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.359996][ T312] process_one_work+0x98d/0x1600 [ 79.365055][ T312] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.370461][ T312] ? rwlock_bug.part.0+0x90/0x90 [ 79.375498][ T312] ? _raw_spin_lock_irq+0x41/0x50 [ 79.380572][ T312] worker_thread+0x64c/0x1120 [ 79.385386][ T312] ? process_one_work+0x1600/0x1600 [ 79.390994][ T312] kthread+0x3b1/0x4a0 [ 79.395360][ T312] ? __kthread_bind_mask+0xc0/0xc0 [ 79.400842][ T312] ret_from_fork+0x1f/0x30 [ 79.407273][ T312] Kernel Offset: disabled [ 79.412290][ T312] Rebooting in 86400 seconds..