Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. 2021/05/10 11:51:39 fuzzer started 2021/05/10 11:51:39 connecting to host at 10.128.0.169:42449 2021/05/10 11:51:39 checking machine... 2021/05/10 11:51:39 checking revisions... 2021/05/10 11:51:39 testing simple program... [ 74.161167][ T8423] chnl_net:caif_netlink_parms(): no params data found [ 74.214014][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.222804][ T8423] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.233548][ T8423] device bridge_slave_0 entered promiscuous mode [ 74.244145][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.251828][ T8423] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.259957][ T8423] device bridge_slave_1 entered promiscuous mode [ 74.280832][ T8423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.293418][ T8423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.325760][ T8423] team0: Port device team_slave_0 added [ 74.335218][ T8423] team0: Port device team_slave_1 added [ 74.357543][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.365547][ T8423] 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. [ 74.392791][ T8423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.406300][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.414060][ T8423] 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. [ 74.442026][ T8423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.471488][ T8423] device hsr_slave_0 entered promiscuous mode [ 74.478667][ T8423] device hsr_slave_1 entered promiscuous mode [ 74.585975][ T8423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.596732][ T8423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.608313][ T8423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.618705][ T8423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.644660][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.652513][ T8423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.660533][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.669324][ T8423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.715947][ T8423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.732736][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.746435][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.755661][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.765415][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.779099][ T8423] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.792594][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.802254][ T4010] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.809965][ T4010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.822743][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.832815][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.840458][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.865928][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.874592][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.884314][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.903613][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.912039][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.923619][ T8423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.944239][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.952848][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.967258][ T8423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.988905][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.011198][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.020105][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.029336][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.040825][ T8423] device veth0_vlan entered promiscuous mode [ 75.053841][ T8423] device veth1_vlan entered promiscuous mode [ 75.076380][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.086121][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.095440][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.108604][ T8423] device veth0_macvtap entered promiscuous mode [ 75.121529][ T8423] device veth1_macvtap entered promiscuous mode [ 75.134298][ T4010] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.152403][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.160324][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.170333][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.184989][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.193400][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.204747][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.217617][ T8423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.228190][ T8423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.238969][ T8423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.249717][ T8423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.341157][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.368762][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.402312][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.412861][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.421338][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.435584][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/10 11:51:42 building call list... [ 76.126264][ T25] ------------[ cut here ]------------ [ 76.133688][ T25] hook not found, pf 3 num 0 [ 76.134319][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 76.157137][ T25] Modules linked in: [ 76.161181][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 76.170915][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.183057][ T25] Workqueue: netns cleanup_net [ 76.188132][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.195731][ 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.217517][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 76.228253][ T25] RAX: 0000000000000000 RBX: ffff888149ebb200 RCX: 0000000000000000 [ 76.237640][ T25] RDX: ffff888011e3d4c0 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 76.246777][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.256055][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038d80f20 [ 76.265107][ T25] R13: 0000000000000000 R14: ffff88801534a300 R15: 0000000000000001 [ 76.274405][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.284433][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.291057][ T25] CR2: 00007fb12df70000 CR3: 000000001516b000 CR4: 00000000001506e0 [ 76.311594][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.319735][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.334227][ T25] Call Trace: [ 76.337630][ T25] nf_unregister_net_hooks+0x117/0x160 [ 76.344272][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.350599][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 76.358496][ T25] cleanup_net+0x451/0xb10 [ 76.364237][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.369917][ T25] process_one_work+0x98d/0x1600 [ 76.376097][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.384704][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 76.389782][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 76.395957][ T25] worker_thread+0x64c/0x1120 [ 76.400701][ T25] ? process_one_work+0x1600/0x1600 [ 76.407665][ T25] kthread+0x3b1/0x4a0 [ 76.412533][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 76.417913][ T25] ret_from_fork+0x1f/0x30 [ 76.423855][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 76.430470][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 76.438558][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.449130][ T25] Workqueue: netns cleanup_net [ 76.454150][ T25] Call Trace: [ 76.457969][ T25] dump_stack+0x141/0x1d7 [ 76.462572][ T25] panic+0x306/0x73d [ 76.466571][ T25] ? __warn_printk+0xf3/0xf3 [ 76.471168][ T25] ? __warn.cold+0x1a/0x44 [ 76.475590][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.481347][ T25] __warn.cold+0x35/0x44 [ 76.485713][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 76.491443][ T25] report_bug+0x1bd/0x210 [ 76.495891][ T25] handle_bug+0x3c/0x60 [ 76.500089][ T25] exc_invalid_op+0x14/0x40 [ 76.504638][ T25] asm_exc_invalid_op+0x12/0x20 [ 76.510022][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 76.516723][ 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 76.536619][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 76.542697][ T25] RAX: 0000000000000000 RBX: ffff888149ebb200 RCX: 0000000000000000 [ 76.550665][ T25] RDX: ffff888011e3d4c0 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 76.558814][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 76.566876][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038d80f20 [ 76.575012][ T25] R13: 0000000000000000 R14: ffff88801534a300 R15: 0000000000000001 [ 76.583476][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 76.588774][ T25] ? vprintk+0x95/0x260 [ 76.593120][ T25] nf_unregister_net_hooks+0x117/0x160 [ 76.598763][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 76.604844][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 76.610471][ T25] cleanup_net+0x451/0xb10 [ 76.615145][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 76.620834][ T25] process_one_work+0x98d/0x1600 [ 76.625797][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.631277][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 76.636308][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 76.641650][ T25] worker_thread+0x64c/0x1120 [ 76.646706][ T25] ? process_one_work+0x1600/0x1600 [ 76.652020][ T25] kthread+0x3b1/0x4a0 [ 76.656449][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 76.661914][ T25] ret_from_fork+0x1f/0x30 [ 76.668281][ T25] Kernel Offset: disabled [ 76.673770][ T25] Rebooting in 86400 seconds..