Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. 2021/05/03 20:59:41 fuzzer started 2021/05/03 20:59:41 connecting to host at 10.128.0.169:37965 2021/05/03 20:59:41 checking machine... 2021/05/03 20:59:41 checking revisions... 2021/05/03 20:59:41 testing simple program... syzkaller login: [ 75.040357][ T8401] chnl_net:caif_netlink_parms(): no params data found [ 75.095534][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.104257][ T8401] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.115934][ T8401] device bridge_slave_0 entered promiscuous mode [ 75.127132][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.136359][ T8401] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.145494][ T8401] device bridge_slave_1 entered promiscuous mode [ 75.170593][ T8401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.183644][ T8401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.208416][ T8401] team0: Port device team_slave_0 added [ 75.217121][ T8401] team0: Port device team_slave_1 added [ 75.236290][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.243885][ T8401] 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. [ 75.271416][ T8401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.284998][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.292641][ T8401] 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. [ 75.319399][ T8401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.347707][ T8401] device hsr_slave_0 entered promiscuous mode [ 75.354941][ T8401] device hsr_slave_1 entered promiscuous mode [ 75.468450][ T8401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.484441][ T8401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.497205][ T8401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.508897][ T8401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.544118][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.551928][ T8401] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.560431][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.567716][ T8401] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.615031][ T8401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.628570][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.643947][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.654496][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.664038][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.678911][ T8401] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.692218][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.701083][ T3145] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.708397][ T3145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.729943][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.740950][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.748831][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.765470][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.775744][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.791627][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.804998][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.819302][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.831544][ T8401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.857836][ T8401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.866597][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.876124][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.899744][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.918840][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.927973][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.937851][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.952004][ T8401] device veth0_vlan entered promiscuous mode [ 75.965091][ T8401] device veth1_vlan entered promiscuous mode [ 75.988994][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.998488][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.010622][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.025545][ T8401] device veth0_macvtap entered promiscuous mode [ 76.037063][ T8401] device veth1_macvtap entered promiscuous mode [ 76.056075][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.065525][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.075273][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.090700][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.098304][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.108234][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.122200][ T8401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.133240][ T8401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.142839][ T8401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.152971][ T8401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.234483][ T37] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.247543][ T37] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.281262][ T8623] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.302178][ T3316] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.315622][ T3316] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 76.326117][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 20:59:44 building call list... [ 76.993282][ T37] ------------[ cut here ]------------ [ 77.001703][ T37] hook not found, pf 3 num 0 [ 77.002354][ T37] WARNING: CPU: 0 PID: 37 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.021195][ T37] Modules linked in: [ 77.025505][ T37] CPU: 0 PID: 37 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 77.036705][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.049712][ T37] Workqueue: netns cleanup_net [ 77.054773][ T37] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.062945][ T37] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.087372][ T37] RSP: 0018:ffffc90000eafbc0 EFLAGS: 00010286 [ 77.094608][ T37] RAX: 0000000000000000 RBX: ffff88802183e300 RCX: 0000000000000000 [ 77.103889][ T37] RDX: ffff888012029c40 RSI: ffffffff815c8ba5 RDI: fffff520001d5f6a [ 77.113406][ T37] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.122664][ T37] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880289e0f20 [ 77.132244][ T37] R13: 0000000000000000 R14: ffff888021575400 R15: 0000000000000001 [ 77.141831][ T37] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.151749][ T37] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.158457][ T37] CR2: 00007f46e444d000 CR3: 000000001e109000 CR4: 00000000001506f0 [ 77.174515][ T37] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.184608][ T37] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.194536][ T37] Call Trace: [ 77.197856][ T37] nf_unregister_net_hooks+0x117/0x160 [ 77.204910][ T37] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.212515][ T37] ? arptable_filter_net_exit+0x20/0x20 [ 77.218121][ T37] cleanup_net+0x451/0xb10 [ 77.224388][ T37] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.231154][ T37] process_one_work+0x98d/0x1600 [ 77.236263][ T37] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.245863][ T37] ? rwlock_bug.part.0+0x90/0x90 [ 77.252356][ T37] ? _raw_spin_lock_irq+0x41/0x50 [ 77.257504][ T37] worker_thread+0x64c/0x1120 [ 77.263875][ T37] ? __kthread_parkme+0x13f/0x1e0 [ 77.270508][ T37] ? process_one_work+0x1600/0x1600 [ 77.275766][ T37] kthread+0x3b1/0x4a0 [ 77.281557][ T37] ? __kthread_bind_mask+0xc0/0xc0 [ 77.286855][ T37] ret_from_fork+0x1f/0x30 [ 77.293534][ T37] Kernel panic - not syncing: panic_on_warn set ... [ 77.300680][ T37] CPU: 0 PID: 37 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 77.309031][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.319279][ T37] Workqueue: netns cleanup_net [ 77.324064][ T37] Call Trace: [ 77.327353][ T37] dump_stack+0x141/0x1d7 [ 77.332234][ T37] panic+0x306/0x73d [ 77.336582][ T37] ? __warn_printk+0xf3/0xf3 [ 77.341433][ T37] ? __warn.cold+0x1a/0x44 [ 77.345876][ T37] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.352131][ T37] __warn.cold+0x35/0x44 [ 77.356527][ T37] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.362448][ T37] report_bug+0x1bd/0x210 [ 77.367013][ T37] handle_bug+0x3c/0x60 [ 77.371284][ T37] exc_invalid_op+0x14/0x40 [ 77.375809][ T37] asm_exc_invalid_op+0x12/0x20 [ 77.380775][ T37] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.387259][ T37] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.407154][ T37] RSP: 0018:ffffc90000eafbc0 EFLAGS: 00010286 [ 77.413416][ T37] RAX: 0000000000000000 RBX: ffff88802183e300 RCX: 0000000000000000 [ 77.421627][ T37] RDX: ffff888012029c40 RSI: ffffffff815c8ba5 RDI: fffff520001d5f6a [ 77.429788][ T37] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.438294][ T37] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880289e0f20 [ 77.446566][ T37] R13: 0000000000000000 R14: ffff888021575400 R15: 0000000000000001 [ 77.454744][ T37] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.460079][ T37] ? vprintk+0x95/0x260 [ 77.464718][ T37] nf_unregister_net_hooks+0x117/0x160 [ 77.470588][ T37] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.476541][ T37] ? arptable_filter_net_exit+0x20/0x20 [ 77.482201][ T37] cleanup_net+0x451/0xb10 [ 77.486642][ T37] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.492143][ T37] process_one_work+0x98d/0x1600 [ 77.497208][ T37] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.502738][ T37] ? rwlock_bug.part.0+0x90/0x90 [ 77.507972][ T37] ? _raw_spin_lock_irq+0x41/0x50 [ 77.513213][ T37] worker_thread+0x64c/0x1120 [ 77.518098][ T37] ? __kthread_parkme+0x13f/0x1e0 [ 77.523425][ T37] ? process_one_work+0x1600/0x1600 [ 77.528922][ T37] kthread+0x3b1/0x4a0 [ 77.533103][ T37] ? __kthread_bind_mask+0xc0/0xc0 [ 77.538427][ T37] ret_from_fork+0x1f/0x30 [ 77.544619][ T37] Kernel Offset: disabled [ 77.549437][ T37] Rebooting in 86400 seconds..