Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. 2021/05/04 21:47:29 fuzzer started 2021/05/04 21:47:29 connecting to host at 10.128.0.169:41817 2021/05/04 21:47:29 checking machine... 2021/05/04 21:47:29 checking revisions... 2021/05/04 21:47:29 testing simple program... syzkaller login: [ 75.477130][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 75.533563][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.542377][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.551514][ T8428] device bridge_slave_0 entered promiscuous mode [ 75.561608][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.569974][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.578721][ T8428] device bridge_slave_1 entered promiscuous mode [ 75.599105][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.610636][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.633732][ T8428] team0: Port device team_slave_0 added [ 75.642313][ T8428] team0: Port device team_slave_1 added [ 75.662645][ T8428] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.670830][ T8428] 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. [ 75.699205][ T8428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.712724][ T8428] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.720546][ T8428] 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. [ 75.747143][ T8428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.775498][ T8428] device hsr_slave_0 entered promiscuous mode [ 75.782369][ T8428] device hsr_slave_1 entered promiscuous mode [ 75.898660][ T8428] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.911547][ T8428] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.929274][ T8428] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.940478][ T8428] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.968283][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.976042][ T8428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.984692][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.991937][ T8428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.044121][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.059600][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.072356][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.082207][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.091432][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.106758][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.121400][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.131561][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.139061][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.155624][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.164766][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.172164][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.202740][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.212674][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.222735][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.237646][ T8428] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.251205][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.260379][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.269732][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.292537][ T8428] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.302585][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.311528][ T8650] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.333234][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.356537][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.367385][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.375474][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.384882][ T8428] device veth0_vlan entered promiscuous mode [ 76.399625][ T8428] device veth1_vlan entered promiscuous mode [ 76.422961][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.431588][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.442389][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.457598][ T8428] device veth0_macvtap entered promiscuous mode [ 76.468985][ T8428] device veth1_macvtap entered promiscuous mode [ 76.490079][ T8428] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.498425][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.508701][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.521684][ T8428] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.529913][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.539013][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.555673][ T8428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.565032][ T8428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.573729][ T8428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.583583][ T8428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 76.684524][ T28] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.716738][ T28] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.738719][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.758929][ T28] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.768513][ T28] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.779299][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 21:47:32 building call list... [ 77.451982][ T129] ------------[ cut here ]------------ [ 77.458043][ T129] hook not found, pf 3 num 0 [ 77.458751][ T129] WARNING: CPU: 1 PID: 129 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.476646][ T129] Modules linked in: [ 77.480663][ T129] CPU: 1 PID: 129 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 77.491001][ T129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.503669][ T129] Workqueue: netns cleanup_net [ 77.510551][ T129] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.518150][ T129] 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 [ 77.541120][ T129] RSP: 0018:ffffc900013bfbc0 EFLAGS: 00010286 [ 77.548667][ T129] RAX: 0000000000000000 RBX: ffff888023ea4b00 RCX: 0000000000000000 [ 77.558396][ T129] RDX: ffff888012958000 RSI: ffffffff815c8ba5 RDI: fffff52000277f6a [ 77.567953][ T129] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.577567][ T129] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038c98f20 [ 77.586730][ T129] R13: 0000000000000000 R14: ffff88802470f500 R15: 0000000000000001 [ 77.596340][ T129] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 77.606637][ T129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.613592][ T129] CR2: 00007f26b2389000 CR3: 0000000017b09000 CR4: 00000000001506e0 [ 77.624023][ T129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.633514][ T129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.643436][ T129] Call Trace: [ 77.648282][ T129] nf_unregister_net_hooks+0x117/0x160 [ 77.654021][ T129] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.662852][ T129] ? arptable_filter_net_exit+0x20/0x20 [ 77.670647][ T129] cleanup_net+0x451/0xb10 [ 77.676476][ T129] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.682603][ T129] process_one_work+0x98d/0x1600 [ 77.689436][ T129] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.695980][ T129] ? rwlock_bug.part.0+0x90/0x90 [ 77.701031][ T129] ? _raw_spin_lock_irq+0x41/0x50 [ 77.708374][ T129] worker_thread+0x64c/0x1120 [ 77.713440][ T129] ? process_one_work+0x1600/0x1600 [ 77.720406][ T129] kthread+0x3b1/0x4a0 [ 77.726067][ T129] ? __kthread_bind_mask+0xc0/0xc0 [ 77.731570][ T129] ret_from_fork+0x1f/0x30 [ 77.740472][ T129] Kernel panic - not syncing: panic_on_warn set ... [ 77.747430][ T129] CPU: 1 PID: 129 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 77.755829][ T129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.765995][ T129] Workqueue: netns cleanup_net [ 77.770778][ T129] Call Trace: [ 77.774064][ T129] dump_stack+0x141/0x1d7 [ 77.778408][ T129] panic+0x306/0x73d [ 77.782401][ T129] ? __warn_printk+0xf3/0xf3 [ 77.787021][ T129] ? __warn.cold+0x1a/0x44 [ 77.791540][ T129] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.797559][ T129] __warn.cold+0x35/0x44 [ 77.801904][ T129] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.807707][ T129] report_bug+0x1bd/0x210 [ 77.812140][ T129] handle_bug+0x3c/0x60 [ 77.816405][ T129] exc_invalid_op+0x14/0x40 [ 77.821198][ T129] asm_exc_invalid_op+0x12/0x20 [ 77.826074][ T129] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.832604][ T129] 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 [ 77.852770][ T129] RSP: 0018:ffffc900013bfbc0 EFLAGS: 00010286 [ 77.858848][ T129] RAX: 0000000000000000 RBX: ffff888023ea4b00 RCX: 0000000000000000 [ 77.867378][ T129] RDX: ffff888012958000 RSI: ffffffff815c8ba5 RDI: fffff52000277f6a [ 77.875735][ T129] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.884013][ T129] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038c98f20 [ 77.892370][ T129] R13: 0000000000000000 R14: ffff88802470f500 R15: 0000000000000001 [ 77.900649][ T129] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.906047][ T129] ? vprintk+0x95/0x260 [ 77.910243][ T129] nf_unregister_net_hooks+0x117/0x160 [ 77.915811][ T129] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.921728][ T129] ? arptable_filter_net_exit+0x20/0x20 [ 77.927398][ T129] cleanup_net+0x451/0xb10 [ 77.931851][ T129] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.937341][ T129] process_one_work+0x98d/0x1600 [ 77.942481][ T129] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.949197][ T129] ? rwlock_bug.part.0+0x90/0x90 [ 77.954345][ T129] ? _raw_spin_lock_irq+0x41/0x50 [ 77.959581][ T129] worker_thread+0x64c/0x1120 [ 77.964515][ T129] ? process_one_work+0x1600/0x1600 [ 77.969817][ T129] kthread+0x3b1/0x4a0 [ 77.973899][ T129] ? __kthread_bind_mask+0xc0/0xc0 [ 77.979029][ T129] ret_from_fork+0x1f/0x30 [ 77.985309][ T129] Kernel Offset: disabled [ 77.990042][ T129] Rebooting in 86400 seconds..