Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. 2021/05/03 15:19:12 fuzzer started 2021/05/03 15:19:12 connecting to host at 10.128.0.169:34351 2021/05/03 15:19:12 checking machine... 2021/05/03 15:19:12 checking revisions... 2021/05/03 15:19:12 testing simple program... syzkaller login: [ 79.938292][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 80.025190][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.035264][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.047840][ T8419] device bridge_slave_0 entered promiscuous mode [ 80.058446][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.068596][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.077730][ T8419] device bridge_slave_1 entered promiscuous mode [ 80.099126][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.111624][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.135064][ T8419] team0: Port device team_slave_0 added [ 80.143475][ T8419] team0: Port device team_slave_1 added [ 80.163622][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.172382][ T8419] 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. [ 80.202820][ T8419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.216013][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.224810][ T8419] 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. [ 80.254086][ T8419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.284014][ T8419] device hsr_slave_0 entered promiscuous mode [ 80.292916][ T8419] device hsr_slave_1 entered promiscuous mode [ 80.408788][ T8419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.424366][ T8419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.433770][ T8419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.445375][ T8419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.477192][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.485600][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.494733][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.503152][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.551918][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.568183][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.584423][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.599454][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.610653][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.627738][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.642111][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.654835][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.664767][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.679744][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.690510][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.697913][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.718981][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.729619][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.744006][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.763583][ T8419] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 80.775775][ T8419] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.791623][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.803034][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.813915][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.837000][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.837179][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.860569][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.882367][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.906061][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.918537][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.928748][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.947390][ T8419] device veth0_vlan entered promiscuous mode [ 80.963848][ T8419] device veth1_vlan entered promiscuous mode [ 80.993832][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.004354][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.017386][ T8419] device veth0_macvtap entered promiscuous mode [ 81.029378][ T8419] device veth1_macvtap entered promiscuous mode [ 81.049219][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.058352][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.067002][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.075700][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.085996][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.100103][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.109056][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.119143][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.132566][ T8419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.144050][ T8419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.153957][ T8419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.165246][ T8419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 81.271971][ T175] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.288516][ T175] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.311233][ T4439] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.331392][ T4439] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.341829][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.356302][ T8641] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 15:19:15 building call list... [ 82.034025][ T267] ------------[ cut here ]------------ [ 82.043841][ T267] hook not found, pf 3 num 0 [ 82.044500][ T267] WARNING: CPU: 1 PID: 267 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 82.066212][ T267] Modules linked in: [ 82.071142][ T267] CPU: 1 PID: 267 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 82.082483][ T267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.095443][ T267] Workqueue: netns cleanup_net [ 82.104579][ T267] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 82.112693][ T267] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 82.137134][ T267] RSP: 0018:ffffc90001bafbc0 EFLAGS: 00010286 [ 82.144201][ T267] RAX: 0000000000000000 RBX: ffff888021e6e400 RCX: 0000000000000000 [ 82.154829][ T267] RDX: ffff888012aed4c0 RSI: ffffffff815c8ba5 RDI: fffff52000375f6a [ 82.168014][ T267] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.180241][ T267] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888030708f20 [ 82.191615][ T267] R13: 0000000000000000 R14: ffff88801f59d900 R15: 0000000000000001 [ 82.201107][ T267] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 82.213108][ T267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.221411][ T267] CR2: 00007f1211b36018 CR3: 000000001ca74000 CR4: 00000000001506e0 [ 82.232425][ T267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.241115][ T267] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.249779][ T267] Call Trace: [ 82.253184][ T267] nf_unregister_net_hooks+0x117/0x160 [ 82.263772][ T267] arpt_unregister_table_pre_exit+0x67/0x80 [ 82.270938][ T267] ? arptable_filter_net_exit+0x20/0x20 [ 82.277250][ T267] cleanup_net+0x451/0xb10 [ 82.282079][ T267] ? ops_free_list.part.0+0x3d0/0x3d0 [ 82.289863][ T267] process_one_work+0x98d/0x1600 [ 82.295356][ T267] ? pwq_dec_nr_in_flight+0x320/0x320 [ 82.301981][ T267] ? rwlock_bug.part.0+0x90/0x90 [ 82.308191][ T267] ? _raw_spin_lock_irq+0x41/0x50 [ 82.313374][ T267] worker_thread+0x64c/0x1120 [ 82.319106][ T267] ? __kthread_parkme+0x13f/0x1e0 [ 82.324429][ T267] ? process_one_work+0x1600/0x1600 [ 82.331140][ T267] kthread+0x3b1/0x4a0 [ 82.335535][ T267] ? __kthread_bind_mask+0xc0/0xc0 [ 82.342718][ T267] ret_from_fork+0x1f/0x30 [ 82.349750][ T267] Kernel panic - not syncing: panic_on_warn set ... [ 82.357346][ T267] CPU: 0 PID: 267 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 82.367028][ T267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.377937][ T267] Workqueue: netns cleanup_net [ 82.383707][ T267] Call Trace: [ 82.386999][ T267] dump_stack+0x141/0x1d7 [ 82.392565][ T267] panic+0x306/0x73d [ 82.396743][ T267] ? __warn_printk+0xf3/0xf3 [ 82.401537][ T267] ? __warn.cold+0x1a/0x44 [ 82.406247][ T267] ? __nf_unregister_net_hook+0x1eb/0x610 [ 82.412528][ T267] __warn.cold+0x35/0x44 [ 82.416895][ T267] ? __nf_unregister_net_hook+0x1eb/0x610 [ 82.422824][ T267] report_bug+0x1bd/0x210 [ 82.427573][ T267] handle_bug+0x3c/0x60 [ 82.433614][ T267] exc_invalid_op+0x14/0x40 [ 82.438345][ T267] asm_exc_invalid_op+0x12/0x20 [ 82.443475][ T267] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 82.450846][ T267] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 82.471382][ T267] RSP: 0018:ffffc90001bafbc0 EFLAGS: 00010286 [ 82.478769][ T267] RAX: 0000000000000000 RBX: ffff888021e6e400 RCX: 0000000000000000 [ 82.487479][ T267] RDX: ffff888012aed4c0 RSI: ffffffff815c8ba5 RDI: fffff52000375f6a [ 82.496088][ T267] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.504517][ T267] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888030708f20 [ 82.512902][ T267] R13: 0000000000000000 R14: ffff88801f59d900 R15: 0000000000000001 [ 82.521859][ T267] ? wake_up_klogd.part.0+0x8e/0xd0 [ 82.527217][ T267] ? vprintk+0x95/0x260 [ 82.531701][ T267] nf_unregister_net_hooks+0x117/0x160 [ 82.537199][ T267] arpt_unregister_table_pre_exit+0x67/0x80 [ 82.543373][ T267] ? arptable_filter_net_exit+0x20/0x20 [ 82.549225][ T267] cleanup_net+0x451/0xb10 [ 82.553931][ T267] ? ops_free_list.part.0+0x3d0/0x3d0 [ 82.559442][ T267] process_one_work+0x98d/0x1600 [ 82.564441][ T267] ? pwq_dec_nr_in_flight+0x320/0x320 [ 82.570375][ T267] ? rwlock_bug.part.0+0x90/0x90 [ 82.575367][ T267] ? _raw_spin_lock_irq+0x41/0x50 [ 82.580724][ T267] worker_thread+0x64c/0x1120 [ 82.585585][ T267] ? __kthread_parkme+0x13f/0x1e0 [ 82.590960][ T267] ? process_one_work+0x1600/0x1600 [ 82.596639][ T267] kthread+0x3b1/0x4a0 [ 82.601082][ T267] ? __kthread_bind_mask+0xc0/0xc0 [ 82.606419][ T267] ret_from_fork+0x1f/0x30 [ 82.613396][ T267] Kernel Offset: disabled [ 82.618648][ T267] Rebooting in 86400 seconds..