Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. 2021/04/27 21:32:14 fuzzer started 2021/04/27 21:32:14 connecting to host at 10.128.0.169:39273 2021/04/27 21:32:14 checking machine... 2021/04/27 21:32:14 checking revisions... 2021/04/27 21:32:14 testing simple program... syzkaller login: [ 75.020834][ T8398] chnl_net:caif_netlink_parms(): no params data found [ 75.078817][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.088816][ T8398] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.099414][ T8398] device bridge_slave_0 entered promiscuous mode [ 75.111294][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.120367][ T8398] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.130981][ T8398] device bridge_slave_1 entered promiscuous mode [ 75.154965][ T8398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.173246][ T8398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.199967][ T8398] team0: Port device team_slave_0 added [ 75.209383][ T8398] team0: Port device team_slave_1 added [ 75.228948][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.237886][ T8398] 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. [ 75.266445][ T8398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.282155][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.292071][ T8398] 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. [ 75.325124][ T8398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.357011][ T8398] device hsr_slave_0 entered promiscuous mode [ 75.364885][ T8398] device hsr_slave_1 entered promiscuous mode [ 75.475893][ T8398] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.489794][ T8398] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.500757][ T8398] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.511551][ T8398] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.539529][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.548182][ T8398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.558264][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.567423][ T8398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.616146][ T8398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.631553][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.646385][ T2934] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.656288][ T2934] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.665321][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.680799][ T8398] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.692241][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.702749][ T2934] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.710977][ T2934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.737781][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.749652][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.758632][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.768828][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.778785][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.793638][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.810164][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.823452][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.838332][ T8398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.858951][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.869821][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.891448][ T8398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.922303][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.947717][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.957917][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.967899][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.979653][ T8398] device veth0_vlan entered promiscuous mode [ 75.993308][ T8398] device veth1_vlan entered promiscuous mode [ 76.015166][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.025587][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.040340][ T8398] device veth0_macvtap entered promiscuous mode [ 76.050633][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.060959][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.072663][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.089691][ T8398] device veth1_macvtap entered promiscuous mode [ 76.110077][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.118994][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.133378][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.144221][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.160312][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.169674][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.180456][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.195838][ T8398] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.207533][ T8398] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.218643][ T8398] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.227932][ T8398] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 76.328972][ T402] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.354174][ T402] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.377615][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.388512][ T402] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.403683][ T402] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.418993][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/27 21:32:18 building call list... [ 77.080217][ T145] ------------[ cut here ]------------ [ 77.090259][ T145] hook not found, pf 3 num 0 [ 77.090912][ T145] WARNING: CPU: 0 PID: 145 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.113274][ T145] Modules linked in: [ 77.120464][ T145] CPU: 0 PID: 145 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 77.132653][ T145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.147406][ T145] Workqueue: netns cleanup_net [ 77.154771][ T145] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.161771][ T145] 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.188688][ T145] RSP: 0018:ffffc9000106fbc0 EFLAGS: 00010286 [ 77.196484][ T145] RAX: 0000000000000000 RBX: ffff888147aaa700 RCX: 0000000000000000 [ 77.209407][ T145] RDX: ffff888011e10000 RSI: ffffffff815c5205 RDI: fffff5200020df6a [ 77.221633][ T145] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.236153][ T145] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888035b48f20 [ 77.255413][ T145] R13: 0000000000000000 R14: ffff888020c82380 R15: 0000000000000001 [ 77.270136][ T145] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.284595][ T145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.293288][ T145] CR2: 00007fad05a37008 CR3: 000000002b04e000 CR4: 00000000001506f0 [ 77.303286][ T145] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.315182][ T145] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.326269][ T145] Call Trace: [ 77.329646][ T145] nf_unregister_net_hooks+0x117/0x160 [ 77.337847][ T145] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.345026][ T145] ? arptable_filter_net_exit+0x20/0x20 [ 77.351554][ T145] cleanup_net+0x451/0xb10 [ 77.359419][ T145] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.366915][ T145] process_one_work+0x98d/0x1600 [ 77.372195][ T145] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.380290][ T145] ? rwlock_bug.part.0+0x90/0x90 [ 77.387105][ T145] ? _raw_spin_lock_irq+0x41/0x50 [ 77.392708][ T145] worker_thread+0x64c/0x1120 [ 77.401313][ T145] ? process_one_work+0x1600/0x1600 [ 77.410335][ T145] kthread+0x3b1/0x4a0 [ 77.416419][ T145] ? __kthread_bind_mask+0xc0/0xc0 [ 77.423308][ T145] ret_from_fork+0x1f/0x30 [ 77.432270][ T145] Kernel panic - not syncing: panic_on_warn set ... [ 77.439777][ T145] CPU: 0 PID: 145 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 77.449936][ T145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.462392][ T145] Workqueue: netns cleanup_net [ 77.468128][ T145] Call Trace: [ 77.472564][ T145] dump_stack+0x141/0x1d7 [ 77.477382][ T145] panic+0x306/0x73d [ 77.481777][ T145] ? __warn_printk+0xf3/0xf3 [ 77.488382][ T145] ? __warn.cold+0x1a/0x44 [ 77.493538][ T145] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.500474][ T145] __warn.cold+0x35/0x44 [ 77.505065][ T145] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.511631][ T145] report_bug+0x1bd/0x210 [ 77.517589][ T145] handle_bug+0x3c/0x60 [ 77.522314][ T145] exc_invalid_op+0x14/0x40 [ 77.527377][ T145] asm_exc_invalid_op+0x12/0x20 [ 77.537459][ T145] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.544221][ T145] 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.572859][ T145] RSP: 0018:ffffc9000106fbc0 EFLAGS: 00010286 [ 77.579462][ T145] RAX: 0000000000000000 RBX: ffff888147aaa700 RCX: 0000000000000000 [ 77.588647][ T145] RDX: ffff888011e10000 RSI: ffffffff815c5205 RDI: fffff5200020df6a [ 77.597884][ T145] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.607594][ T145] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888035b48f20 [ 77.616722][ T145] R13: 0000000000000000 R14: ffff888020c82380 R15: 0000000000000001 [ 77.627003][ T145] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.632710][ T145] ? vprintk_func+0x95/0x1e0 [ 77.638021][ T145] nf_unregister_net_hooks+0x117/0x160 [ 77.646065][ T145] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.653369][ T145] ? arptable_filter_net_exit+0x20/0x20 [ 77.659817][ T145] cleanup_net+0x451/0xb10 [ 77.666600][ T145] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.675010][ T145] process_one_work+0x98d/0x1600 [ 77.681736][ T145] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.688789][ T145] ? rwlock_bug.part.0+0x90/0x90 [ 77.694073][ T145] ? _raw_spin_lock_irq+0x41/0x50 [ 77.699958][ T145] worker_thread+0x64c/0x1120 [ 77.705210][ T145] ? process_one_work+0x1600/0x1600 [ 77.711883][ T145] kthread+0x3b1/0x4a0 [ 77.716556][ T145] ? __kthread_bind_mask+0xc0/0xc0 [ 77.722726][ T145] ret_from_fork+0x1f/0x30 [ 77.729517][ T145] Kernel Offset: disabled [ 77.734790][ T145] Rebooting in 86400 seconds..