Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. 2021/05/05 00:56:15 fuzzer started 2021/05/05 00:56:15 connecting to host at 10.128.0.169:44203 2021/05/05 00:56:15 checking machine... 2021/05/05 00:56:15 checking revisions... 2021/05/05 00:56:16 testing simple program... syzkaller login: [ 77.358357][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 77.416367][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.425710][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.434559][ T8417] device bridge_slave_0 entered promiscuous mode [ 77.446704][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.455817][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.465709][ T8417] device bridge_slave_1 entered promiscuous mode [ 77.490981][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.504513][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.529082][ T8417] team0: Port device team_slave_0 added [ 77.538630][ T8417] team0: Port device team_slave_1 added [ 77.558221][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.565540][ T8417] 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. [ 77.593285][ T8417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.607390][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.616226][ T8417] 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. [ 77.644098][ T8417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.674447][ T8417] device hsr_slave_0 entered promiscuous mode [ 77.682093][ T8417] device hsr_slave_1 entered promiscuous mode [ 77.788746][ T8417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.799610][ T8417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.812553][ T8417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.823590][ T8417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.850857][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.859072][ T8417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.867876][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.876713][ T8417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.926114][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.940480][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.954294][ T4835] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.962841][ T4835] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.970889][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.988384][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.000738][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.010791][ T4835] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.018103][ T4835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.032286][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.043230][ T4835] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.050389][ T4835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.075650][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.093413][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.103434][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.114195][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.128368][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.140251][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.160436][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.169367][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.185585][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.206078][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.229222][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.238128][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.247239][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.259378][ T8417] device veth0_vlan entered promiscuous mode [ 78.274883][ T8417] device veth1_vlan entered promiscuous mode [ 78.299738][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.308982][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.318332][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.332051][ T8417] device veth0_macvtap entered promiscuous mode [ 78.342484][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.352668][ T8417] device veth1_macvtap entered promiscuous mode [ 78.371060][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.380257][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.390531][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.404807][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.412799][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.423225][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.436205][ T8417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.450987][ T8417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.460824][ T8417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.470037][ T8417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 78.576817][ T219] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.585393][ T219] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.603932][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.633393][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.645883][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.657014][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/05 00:56:19 building call list... [ 79.316960][ T219] ------------[ cut here ]------------ [ 79.325440][ T219] hook not found, pf 3 num 0 [ 79.326092][ T219] WARNING: CPU: 1 PID: 219 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.343920][ T219] Modules linked in: [ 79.347947][ T219] CPU: 1 PID: 219 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 79.361360][ T219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.375490][ T219] Workqueue: netns cleanup_net [ 79.380991][ T219] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.388716][ T219] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.414251][ T219] RSP: 0018:ffffc900014dfbc0 EFLAGS: 00010286 [ 79.420382][ T219] RAX: 0000000000000000 RBX: ffff88814a335300 RCX: 0000000000000000 [ 79.431584][ T219] RDX: ffff888013161c40 RSI: ffffffff815c8ba5 RDI: fffff5200029bf6a [ 79.440052][ T219] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.452480][ T219] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888021e68f20 [ 79.464225][ T219] R13: 0000000000000000 R14: ffff888023cc5280 R15: 0000000000000001 [ 79.475698][ T219] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.488667][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.497726][ T219] CR2: 00007fa1a8a2b000 CR3: 000000001f3ef000 CR4: 00000000001506e0 [ 79.507039][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.518009][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.527928][ T219] Call Trace: [ 79.533969][ T219] nf_unregister_net_hooks+0x117/0x160 [ 79.540336][ T219] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.548377][ T219] ? arptable_filter_net_exit+0x20/0x20 [ 79.556592][ T219] cleanup_net+0x451/0xb10 [ 79.561098][ T219] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.575202][ T219] process_one_work+0x98d/0x1600 [ 79.580314][ T219] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.587833][ T219] ? rwlock_bug.part.0+0x90/0x90 [ 79.595538][ T219] ? _raw_spin_lock_irq+0x41/0x50 [ 79.600790][ T219] worker_thread+0x64c/0x1120 [ 79.607080][ T219] ? __kthread_parkme+0x13f/0x1e0 [ 79.614498][ T219] ? process_one_work+0x1600/0x1600 [ 79.622062][ T219] kthread+0x3b1/0x4a0 [ 79.626179][ T219] ? __kthread_bind_mask+0xc0/0xc0 [ 79.635942][ T219] ret_from_fork+0x1f/0x30 [ 79.640760][ T219] Kernel panic - not syncing: panic_on_warn set ... [ 79.647716][ T219] CPU: 1 PID: 219 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 79.656707][ T219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.667760][ T219] Workqueue: netns cleanup_net [ 79.673589][ T219] Call Trace: [ 79.676963][ T219] dump_stack+0x141/0x1d7 [ 79.681384][ T219] panic+0x306/0x73d [ 79.685454][ T219] ? __warn_printk+0xf3/0xf3 [ 79.690446][ T219] ? __warn.cold+0x1a/0x44 [ 79.695231][ T219] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.701051][ T219] __warn.cold+0x35/0x44 [ 79.705952][ T219] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.711764][ T219] report_bug+0x1bd/0x210 [ 79.716197][ T219] handle_bug+0x3c/0x60 [ 79.720369][ T219] exc_invalid_op+0x14/0x40 [ 79.725387][ T219] asm_exc_invalid_op+0x12/0x20 [ 79.730268][ T219] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.737649][ T219] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.757954][ T219] RSP: 0018:ffffc900014dfbc0 EFLAGS: 00010286 [ 79.765688][ T219] RAX: 0000000000000000 RBX: ffff88814a335300 RCX: 0000000000000000 [ 79.774253][ T219] RDX: ffff888013161c40 RSI: ffffffff815c8ba5 RDI: fffff5200029bf6a [ 79.782313][ T219] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.790931][ T219] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888021e68f20 [ 79.799337][ T219] R13: 0000000000000000 R14: ffff888023cc5280 R15: 0000000000000001 [ 79.808190][ T219] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.813758][ T219] ? vprintk+0x95/0x260 [ 79.818012][ T219] nf_unregister_net_hooks+0x117/0x160 [ 79.823651][ T219] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.829662][ T219] ? arptable_filter_net_exit+0x20/0x20 [ 79.835380][ T219] cleanup_net+0x451/0xb10 [ 79.839978][ T219] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.845544][ T219] process_one_work+0x98d/0x1600 [ 79.850944][ T219] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.856658][ T219] ? rwlock_bug.part.0+0x90/0x90 [ 79.861903][ T219] ? _raw_spin_lock_irq+0x41/0x50 [ 79.867295][ T219] worker_thread+0x64c/0x1120 [ 79.872239][ T219] ? __kthread_parkme+0x13f/0x1e0 [ 79.877263][ T219] ? process_one_work+0x1600/0x1600 [ 79.882549][ T219] kthread+0x3b1/0x4a0 [ 79.886704][ T219] ? __kthread_bind_mask+0xc0/0xc0 [ 79.892033][ T219] ret_from_fork+0x1f/0x30 [ 79.900627][ T219] Kernel Offset: disabled [ 79.905986][ T219] Rebooting in 86400 seconds..