Warning: Permanently added '10.128.1.78' (ECDSA) to the list of known hosts. 2021/05/04 06:39:58 fuzzer started 2021/05/04 06:39:59 connecting to host at 10.128.0.169:41621 2021/05/04 06:39:59 checking machine... 2021/05/04 06:39:59 checking revisions... 2021/05/04 06:39:59 testing simple program... syzkaller login: [ 76.374075][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 76.433688][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.442736][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.452355][ T8414] device bridge_slave_0 entered promiscuous mode [ 76.466336][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.474524][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.485091][ T8414] device bridge_slave_1 entered promiscuous mode [ 76.506810][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.522955][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.548101][ T8414] team0: Port device team_slave_0 added [ 76.556357][ T8414] team0: Port device team_slave_1 added [ 76.577290][ T8414] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.585797][ T8414] 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. [ 76.613145][ T8414] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.626335][ T8414] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.635063][ T8414] 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. [ 76.664045][ T8414] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.692481][ T8414] device hsr_slave_0 entered promiscuous mode [ 76.701645][ T8414] device hsr_slave_1 entered promiscuous mode [ 76.813923][ T8414] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.825914][ T8414] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.836795][ T8414] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.848377][ T8414] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.874323][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.882110][ T8414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.890348][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.897749][ T8414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.944982][ T8414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.962381][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.973738][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.986389][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.996518][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.012791][ T8414] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.025134][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.035538][ T3792] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.043055][ T3792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.056660][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.066273][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.073862][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.096134][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.106585][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.122434][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.134497][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.148745][ T8414] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.161873][ T8414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.170845][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.191693][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.199560][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.216018][ T8414] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.239610][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.264627][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.274009][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.284616][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.297661][ T8414] device veth0_vlan entered promiscuous mode [ 77.313407][ T8414] device veth1_vlan entered promiscuous mode [ 77.337543][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.345897][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.354920][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.368042][ T8414] device veth0_macvtap entered promiscuous mode [ 77.378589][ T8414] device veth1_macvtap entered promiscuous mode [ 77.397234][ T8414] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.408819][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.418193][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.430558][ T8414] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.440623][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.449625][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.463650][ T8414] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.473430][ T8414] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.489296][ T8414] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.503147][ T8414] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.607847][ T95] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.625483][ T95] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.652575][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.667511][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.676787][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.688235][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/04 06:40:02 building call list... [ 78.364929][ T148] ------------[ cut here ]------------ [ 78.374032][ T148] hook not found, pf 3 num 0 [ 78.374645][ T148] WARNING: CPU: 1 PID: 148 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.393637][ T148] Modules linked in: [ 78.397811][ T148] CPU: 1 PID: 148 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.407802][ T148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.420141][ T148] Workqueue: netns cleanup_net [ 78.425186][ T148] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.433184][ T148] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.467053][ T148] RSP: 0018:ffffc9000148fbc0 EFLAGS: 00010286 [ 78.474666][ T148] RAX: 0000000000000000 RBX: ffff888021c60600 RCX: 0000000000000000 [ 78.483925][ T148] RDX: ffff888012563880 RSI: ffffffff815c8ba5 RDI: fffff52000291f6a [ 78.493609][ T148] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.502859][ T148] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019cb0f20 [ 78.512101][ T148] R13: 0000000000000000 R14: ffff88801fcc4580 R15: 0000000000000001 [ 78.530257][ T148] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.545502][ T148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.553525][ T148] CR2: 00007f3eaf1aa000 CR3: 0000000025c47000 CR4: 00000000001506e0 [ 78.563275][ T148] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.572686][ T148] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.581951][ T148] Call Trace: [ 78.585448][ T148] nf_unregister_net_hooks+0x117/0x160 [ 78.594276][ T148] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.603316][ T148] ? arptable_filter_net_exit+0x20/0x20 [ 78.609554][ T148] cleanup_net+0x451/0xb10 [ 78.615805][ T148] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.622524][ T148] process_one_work+0x98d/0x1600 [ 78.627948][ T148] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.635474][ T148] ? rwlock_bug.part.0+0x90/0x90 [ 78.642133][ T148] ? _raw_spin_lock_irq+0x41/0x50 [ 78.648437][ T148] worker_thread+0x64c/0x1120 [ 78.655312][ T148] ? process_one_work+0x1600/0x1600 [ 78.662740][ T148] kthread+0x3b1/0x4a0 [ 78.666973][ T148] ? __kthread_bind_mask+0xc0/0xc0 [ 78.673915][ T148] ret_from_fork+0x1f/0x30 [ 78.678582][ T148] Kernel panic - not syncing: panic_on_warn set ... [ 78.685277][ T148] CPU: 1 PID: 148 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.693459][ T148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.704232][ T148] Workqueue: netns cleanup_net [ 78.709566][ T148] Call Trace: [ 78.713005][ T148] dump_stack+0x141/0x1d7 [ 78.717896][ T148] panic+0x306/0x73d [ 78.722029][ T148] ? __warn_printk+0xf3/0xf3 [ 78.726736][ T148] ? __warn.cold+0x1a/0x44 [ 78.731266][ T148] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.739439][ T148] __warn.cold+0x35/0x44 [ 78.743979][ T148] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.749714][ T148] report_bug+0x1bd/0x210 [ 78.754840][ T148] handle_bug+0x3c/0x60 [ 78.759018][ T148] exc_invalid_op+0x14/0x40 [ 78.763543][ T148] asm_exc_invalid_op+0x12/0x20 [ 78.768567][ T148] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.775570][ T148] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.795386][ T148] RSP: 0018:ffffc9000148fbc0 EFLAGS: 00010286 [ 78.803939][ T148] RAX: 0000000000000000 RBX: ffff888021c60600 RCX: 0000000000000000 [ 78.812669][ T148] RDX: ffff888012563880 RSI: ffffffff815c8ba5 RDI: fffff52000291f6a [ 78.820640][ T148] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.828961][ T148] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019cb0f20 [ 78.837120][ T148] R13: 0000000000000000 R14: ffff88801fcc4580 R15: 0000000000000001 [ 78.845296][ T148] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.850705][ T148] ? vprintk+0x95/0x260 [ 78.855188][ T148] nf_unregister_net_hooks+0x117/0x160 [ 78.860871][ T148] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.866971][ T148] ? arptable_filter_net_exit+0x20/0x20 [ 78.872979][ T148] cleanup_net+0x451/0xb10 [ 78.877872][ T148] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.883364][ T148] process_one_work+0x98d/0x1600 [ 78.888404][ T148] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.894234][ T148] ? rwlock_bug.part.0+0x90/0x90 [ 78.899475][ T148] ? _raw_spin_lock_irq+0x41/0x50 [ 78.904739][ T148] worker_thread+0x64c/0x1120 [ 78.910072][ T148] ? process_one_work+0x1600/0x1600 [ 78.915688][ T148] kthread+0x3b1/0x4a0 [ 78.920129][ T148] ? __kthread_bind_mask+0xc0/0xc0 [ 78.925276][ T148] ret_from_fork+0x1f/0x30 [ 78.931329][ T148] Kernel Offset: disabled [ 78.935969][ T148] Rebooting in 86400 seconds..