Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. 2021/05/03 21:45:06 fuzzer started 2021/05/03 21:45:07 connecting to host at 10.128.0.169:33301 2021/05/03 21:45:07 checking machine... 2021/05/03 21:45:07 checking revisions... 2021/05/03 21:45:07 testing simple program... [ 83.161559][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 83.243479][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.252703][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.262794][ T8427] device bridge_slave_0 entered promiscuous mode [ 83.273791][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.283079][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.292418][ T8427] device bridge_slave_1 entered promiscuous mode [ 83.315540][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.328862][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.353688][ T8427] team0: Port device team_slave_0 added [ 83.361627][ T8427] team0: Port device team_slave_1 added [ 83.380979][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.388379][ T8427] 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. [ 83.416413][ T8427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.430412][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.438603][ T8427] 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. [ 83.465765][ T8427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.492922][ T8427] device hsr_slave_0 entered promiscuous mode [ 83.500453][ T8427] device hsr_slave_1 entered promiscuous mode [ 83.617446][ T8427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.628646][ T8427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.641260][ T8427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.651910][ T8427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.681840][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.690130][ T8427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.699641][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.706957][ T8427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.760716][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.778975][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.791700][ T4859] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.802424][ T4859] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.811415][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.827819][ T8427] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.840496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.851838][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.859316][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.875401][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.884028][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.891393][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.915585][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.925838][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.936245][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.947804][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.965632][ T8427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.978680][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.990246][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.012733][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.020811][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.038221][ T8427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.060142][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.085451][ T8427] device veth0_vlan entered promiscuous mode [ 84.094312][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.104184][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.115477][ T4553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.131715][ T8427] device veth1_vlan entered promiscuous mode [ 84.160175][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 84.170260][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.183142][ T8427] device veth0_macvtap entered promiscuous mode [ 84.196195][ T8427] device veth1_macvtap entered promiscuous mode [ 84.217826][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.226388][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 84.235848][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 84.245463][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.254409][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.269182][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.282799][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.293517][ T4859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 84.310243][ T8427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.321015][ T8427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.332764][ T8427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.342835][ T8427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.451469][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.468913][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.495419][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.522893][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.532152][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.542183][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 21:45:10 building call list... [ 85.262111][ T25] ------------[ cut here ]------------ [ 85.269281][ T25] hook not found, pf 3 num 0 [ 85.269936][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 85.289510][ T25] Modules linked in: [ 85.293951][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 85.319505][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.333803][ T25] Workqueue: netns cleanup_net [ 85.340286][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 85.348900][ T25] 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 15 6e 8a e8 d6 3c 8a 01 <0f> 0b e9 e5 00 00 00 e8 29 3e 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 85.371642][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 85.379240][ T25] RAX: 0000000000000000 RBX: ffff888024d27400 RCX: 0000000000000000 [ 85.391657][ T25] RDX: ffff8880125b3880 RSI: ffffffff815caa65 RDI: fffff520001bff6a [ 85.401284][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 85.411112][ T25] R10: ffffffff815c48ce R11: 0000000000000000 R12: ffff8880298f8f20 [ 85.422302][ T25] R13: 0000000000000000 R14: ffff888013ccd800 R15: 0000000000000001 [ 85.431537][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 85.444604][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.451632][ T25] CR2: 00007f010763c000 CR3: 000000001e973000 CR4: 00000000001506e0 [ 85.463212][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.473283][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.485729][ T25] Call Trace: [ 85.489190][ T25] nf_unregister_net_hooks+0x117/0x160 [ 85.496178][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 85.502512][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 85.512505][ T25] cleanup_net+0x451/0xb10 [ 85.518024][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 85.523748][ T25] process_one_work+0x98d/0x1600 [ 85.533443][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.539943][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 85.552972][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 85.560131][ T25] worker_thread+0x64c/0x1120 [ 85.567189][ T25] ? process_one_work+0x1600/0x1600 [ 85.572705][ T25] kthread+0x3b1/0x4a0 [ 85.578359][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 85.583886][ T25] ret_from_fork+0x1f/0x30 [ 85.591929][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 85.599096][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 85.607378][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.618273][ T25] Workqueue: netns cleanup_net [ 85.623704][ T25] Call Trace: [ 85.627196][ T25] dump_stack+0x141/0x1d7 [ 85.631547][ T25] panic+0x306/0x73d [ 85.635618][ T25] ? __warn_printk+0xf3/0xf3 [ 85.640497][ T25] ? __warn.cold+0x1a/0x44 [ 85.645363][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 85.651274][ T25] __warn.cold+0x35/0x44 [ 85.655603][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 85.661337][ T25] report_bug+0x1bd/0x210 [ 85.665768][ T25] handle_bug+0x3c/0x60 [ 85.670071][ T25] exc_invalid_op+0x14/0x40 [ 85.674936][ T25] asm_exc_invalid_op+0x12/0x20 [ 85.679784][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 85.686638][ T25] 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 15 6e 8a e8 d6 3c 8a 01 <0f> 0b e9 e5 00 00 00 e8 29 3e 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 85.706342][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 85.712772][ T25] RAX: 0000000000000000 RBX: ffff888024d27400 RCX: 0000000000000000 [ 85.720893][ T25] RDX: ffff8880125b3880 RSI: ffffffff815caa65 RDI: fffff520001bff6a [ 85.729055][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 85.737249][ T25] R10: ffffffff815c48ce R11: 0000000000000000 R12: ffff8880298f8f20 [ 85.745508][ T25] R13: 0000000000000000 R14: ffff888013ccd800 R15: 0000000000000001 [ 85.753954][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 85.759686][ T25] ? vprintk+0x95/0x260 [ 85.764053][ T25] nf_unregister_net_hooks+0x117/0x160 [ 85.769871][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 85.775939][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 85.782605][ T25] cleanup_net+0x451/0xb10 [ 85.787327][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 85.793259][ T25] process_one_work+0x98d/0x1600 [ 85.800482][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.806694][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 85.812748][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 85.817785][ T25] worker_thread+0x64c/0x1120 [ 85.823257][ T25] ? process_one_work+0x1600/0x1600 [ 85.828719][ T25] kthread+0x3b1/0x4a0 [ 85.832807][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 85.838618][ T25] ret_from_fork+0x1f/0x30 [ 85.844590][ T25] Kernel Offset: disabled [ 85.850173][ T25] Rebooting in 86400 seconds..