Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2021/05/11 17:25:42 fuzzer started 2021/05/11 17:25:42 connecting to host at 10.128.0.169:38073 2021/05/11 17:25:42 checking machine... 2021/05/11 17:25:42 checking revisions... 2021/05/11 17:25:42 testing simple program... syzkaller login: [ 77.140425][ T8412] chnl_net:caif_netlink_parms(): no params data found [ 77.195407][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.203385][ T8412] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.213298][ T8412] device bridge_slave_0 entered promiscuous mode [ 77.223933][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.231878][ T8412] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.240626][ T8412] device bridge_slave_1 entered promiscuous mode [ 77.263054][ T8412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.274663][ T8412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.299467][ T8412] team0: Port device team_slave_0 added [ 77.309445][ T8412] team0: Port device team_slave_1 added [ 77.327526][ T8412] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.335133][ T8412] 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. [ 77.362514][ T8412] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.375419][ T8412] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.382873][ T8412] 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. [ 77.410539][ T8412] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.437368][ T8412] device hsr_slave_0 entered promiscuous mode [ 77.444439][ T8412] device hsr_slave_1 entered promiscuous mode [ 77.557269][ T8412] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.571815][ T8412] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.581546][ T8412] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.593430][ T8412] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.621119][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.629152][ T8412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.638108][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.645634][ T8412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.695034][ T8412] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.712828][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.724711][ T27] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.736533][ T27] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.746269][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.762069][ T8412] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.775362][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.785182][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.792892][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.820270][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.830338][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.838609][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.846890][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.856672][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.868932][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.879131][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.892957][ T8412] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.905926][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.917348][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.938492][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.946556][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.960494][ T8412] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.981381][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.004590][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.013406][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.023074][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.035482][ T8412] device veth0_vlan entered promiscuous mode [ 78.049280][ T8412] device veth1_vlan entered promiscuous mode [ 78.072805][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.082426][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.094031][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.106815][ T8412] device veth0_macvtap entered promiscuous mode [ 78.118577][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.128297][ T8412] device veth1_macvtap entered promiscuous mode [ 78.146516][ T8412] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.155620][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.166343][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.181383][ T8412] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.190049][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.199926][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.211329][ T8412] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.221716][ T8412] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.231105][ T8412] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.245912][ T8412] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.333656][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.358933][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 78.385166][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.400186][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.416667][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.426942][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/11 17:25:45 building call list... [ 79.158681][ T98] ------------[ cut here ]------------ [ 79.175495][ T98] hook not found, pf 3 num 0 [ 79.176957][ T98] WARNING: CPU: 1 PID: 98 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.194678][ T98] Modules linked in: [ 79.201159][ T98] CPU: 1 PID: 98 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.214416][ T98] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.226140][ T98] Workqueue: netns cleanup_net [ 79.231928][ T98] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.239061][ T98] 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 d8 6d 8a e8 10 58 8a 01 <0f> 0b e9 e5 00 00 00 e8 29 14 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.260790][ T98] RSP: 0018:ffffc9000118fbc0 EFLAGS: 00010286 [ 79.267092][ T98] RAX: 0000000000000000 RBX: ffff88814a0ccc00 RCX: 0000000000000000 [ 79.275692][ T98] RDX: ffff888014b59c40 RSI: ffffffff815c8ba5 RDI: fffff52000231f6a [ 79.286146][ T98] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.295014][ T98] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888023a50f20 [ 79.304283][ T98] R13: 0000000000000000 R14: ffff8880214d1380 R15: 0000000000000001 [ 79.313118][ T98] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.323665][ T98] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.330827][ T98] CR2: 00007f08f003e058 CR3: 0000000024f89000 CR4: 00000000001506e0 [ 79.339519][ T98] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.347878][ T98] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.356397][ T98] Call Trace: [ 79.362999][ T98] nf_unregister_net_hooks+0x117/0x160 [ 79.368727][ T98] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.375024][ T98] ? arptable_filter_net_exit+0x20/0x20 [ 79.380922][ T98] cleanup_net+0x451/0xb10 [ 79.385805][ T98] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.391892][ T98] process_one_work+0x98d/0x1600 [ 79.397204][ T98] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.403337][ T98] ? rwlock_bug.part.0+0x90/0x90 [ 79.408565][ T98] ? _raw_spin_lock_irq+0x41/0x50 [ 79.414120][ T98] worker_thread+0x64c/0x1120 [ 79.419587][ T98] ? process_one_work+0x1600/0x1600 [ 79.425427][ T98] kthread+0x3b1/0x4a0 [ 79.430415][ T98] ? __kthread_bind_mask+0xc0/0xc0 [ 79.435627][ T98] ret_from_fork+0x1f/0x30 [ 79.440556][ T98] Kernel panic - not syncing: panic_on_warn set ... [ 79.447869][ T98] CPU: 1 PID: 98 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 79.456254][ T98] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.466671][ T98] Workqueue: netns cleanup_net [ 79.471551][ T98] Call Trace: [ 79.475105][ T98] dump_stack+0x141/0x1d7 [ 79.479551][ T98] panic+0x306/0x73d [ 79.483550][ T98] ? __warn_printk+0xf3/0xf3 [ 79.488338][ T98] ? __warn.cold+0x1a/0x44 [ 79.492992][ T98] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.499376][ T98] __warn.cold+0x35/0x44 [ 79.503779][ T98] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.509884][ T98] report_bug+0x1bd/0x210 [ 79.514227][ T98] handle_bug+0x3c/0x60 [ 79.518823][ T98] exc_invalid_op+0x14/0x40 [ 79.523344][ T98] asm_exc_invalid_op+0x12/0x20 [ 79.528287][ T98] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.534922][ T98] 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 d8 6d 8a e8 10 58 8a 01 <0f> 0b e9 e5 00 00 00 e8 29 14 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.556176][ T98] RSP: 0018:ffffc9000118fbc0 EFLAGS: 00010286 [ 79.562505][ T98] RAX: 0000000000000000 RBX: ffff88814a0ccc00 RCX: 0000000000000000 [ 79.570825][ T98] RDX: ffff888014b59c40 RSI: ffffffff815c8ba5 RDI: fffff52000231f6a [ 79.579606][ T98] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.587567][ T98] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888023a50f20 [ 79.595712][ T98] R13: 0000000000000000 R14: ffff8880214d1380 R15: 0000000000000001 [ 79.603869][ T98] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.609172][ T98] ? vprintk+0x95/0x260 [ 79.613434][ T98] nf_unregister_net_hooks+0x117/0x160 [ 79.619089][ T98] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.624993][ T98] ? arptable_filter_net_exit+0x20/0x20 [ 79.630635][ T98] cleanup_net+0x451/0xb10 [ 79.635167][ T98] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.640655][ T98] process_one_work+0x98d/0x1600 [ 79.645624][ T98] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.651053][ T98] ? rwlock_bug.part.0+0x90/0x90 [ 79.656082][ T98] ? _raw_spin_lock_irq+0x41/0x50 [ 79.661285][ T98] worker_thread+0x64c/0x1120 [ 79.666148][ T98] ? process_one_work+0x1600/0x1600 [ 79.671711][ T98] kthread+0x3b1/0x4a0 [ 79.675974][ T98] ? __kthread_bind_mask+0xc0/0xc0 [ 79.681126][ T98] ret_from_fork+0x1f/0x30 [ 79.687540][ T98] Kernel Offset: disabled [ 79.693364][ T98] Rebooting in 86400 seconds..