Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. 2021/05/07 01:21:20 fuzzer started 2021/05/07 01:21:20 connecting to host at 10.128.0.169:36843 2021/05/07 01:21:20 checking machine... 2021/05/07 01:21:20 checking revisions... 2021/05/07 01:21:20 testing simple program... syzkaller login: [ 79.328186][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 79.385410][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.393715][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.402936][ T8452] device bridge_slave_0 entered promiscuous mode [ 79.414066][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.422950][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.433132][ T8452] device bridge_slave_1 entered promiscuous mode [ 79.456978][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.468779][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.494297][ T8452] team0: Port device team_slave_0 added [ 79.502449][ T8452] team0: Port device team_slave_1 added [ 79.520834][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.528545][ T8452] 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. [ 79.556635][ T8452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.571282][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.580761][ T8452] 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. [ 79.608197][ T8452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.637302][ T8452] device hsr_slave_0 entered promiscuous mode [ 79.644559][ T8452] device hsr_slave_1 entered promiscuous mode [ 79.751064][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.763314][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.774003][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.786949][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.814342][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.821609][ T8452] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.830063][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.837446][ T8452] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.888588][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.902002][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.914071][ T4852] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.923600][ T4852] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.933793][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.949283][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.961635][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.972479][ T60] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.980207][ T60] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.993598][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.002716][ T60] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.010793][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.032507][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.042585][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.056989][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.071571][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.085678][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.098451][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.120328][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.128361][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.142953][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.165956][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.187811][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.198605][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.208172][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.218031][ T8452] device veth0_vlan entered promiscuous mode [ 80.234758][ T8452] device veth1_vlan entered promiscuous mode [ 80.268623][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.280094][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.290123][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.303199][ T8452] device veth0_macvtap entered promiscuous mode [ 80.312743][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.327405][ T8452] device veth1_macvtap entered promiscuous mode [ 80.353371][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.362158][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.374569][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.388373][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.400103][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.413071][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.426333][ T8452] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.452590][ T8452] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.461753][ T8452] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.477840][ T8452] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 80.578755][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.607249][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.623503][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.629740][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.645322][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.663355][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 01:21:23 building call list... [ 81.361086][ T9] ------------[ cut here ]------------ [ 81.367163][ T9] hook not found, pf 3 num 0 [ 81.367773][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 81.386457][ T9] Modules linked in: [ 81.390893][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 81.401786][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.413371][ T9] Workqueue: netns cleanup_net [ 81.419395][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.427371][ T9] 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 50 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 69 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 81.448696][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 81.454999][ T9] RAX: 0000000000000000 RBX: ffff888023764900 RCX: 0000000000000000 [ 81.464883][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 81.474969][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.484683][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888033b68f20 [ 81.494424][ T9] R13: 0000000000000000 R14: ffff8880203a1080 R15: 0000000000000001 [ 81.504405][ T9] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 81.514978][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.523019][ T9] CR2: 00007fef6a7f3000 CR3: 00000000277c5000 CR4: 00000000001506e0 [ 81.534263][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.543486][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.553674][ T9] Call Trace: [ 81.558124][ T9] nf_unregister_net_hooks+0x117/0x160 [ 81.563701][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.571396][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 81.578738][ T9] cleanup_net+0x451/0xb10 [ 81.583286][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.590511][ T9] process_one_work+0x98d/0x1600 [ 81.596718][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.602617][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 81.611724][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 81.618172][ T9] worker_thread+0x64c/0x1120 [ 81.623269][ T9] ? process_one_work+0x1600/0x1600 [ 81.630390][ T9] kthread+0x3b1/0x4a0 [ 81.634630][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 81.641476][ T9] ret_from_fork+0x1f/0x30 [ 81.647459][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 81.654245][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 81.662170][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.672332][ T9] Workqueue: netns cleanup_net [ 81.677290][ T9] Call Trace: [ 81.680790][ T9] dump_stack+0x141/0x1d7 [ 81.685159][ T9] panic+0x306/0x73d [ 81.689056][ T9] ? __warn_printk+0xf3/0xf3 [ 81.693936][ T9] ? __warn.cold+0x1a/0x44 [ 81.698358][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.704191][ T9] __warn.cold+0x35/0x44 [ 81.708790][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.714519][ T9] report_bug+0x1bd/0x210 [ 81.719023][ T9] handle_bug+0x3c/0x60 [ 81.723181][ T9] exc_invalid_op+0x14/0x40 [ 81.727781][ T9] asm_exc_invalid_op+0x12/0x20 [ 81.732843][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.739219][ T9] 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 50 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 69 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 81.759737][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 81.766148][ T9] RAX: 0000000000000000 RBX: ffff888023764900 RCX: 0000000000000000 [ 81.774427][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 81.782509][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.791353][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888033b68f20 [ 81.799494][ T9] R13: 0000000000000000 R14: ffff8880203a1080 R15: 0000000000000001 [ 81.807784][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 81.813278][ T9] ? vprintk+0x95/0x260 [ 81.817645][ T9] nf_unregister_net_hooks+0x117/0x160 [ 81.823108][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.829346][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 81.834978][ T9] cleanup_net+0x451/0xb10 [ 81.839403][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.844877][ T9] process_one_work+0x98d/0x1600 [ 81.850010][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.855576][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 81.860513][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 81.865649][ T9] worker_thread+0x64c/0x1120 [ 81.870614][ T9] ? process_one_work+0x1600/0x1600 [ 81.876176][ T9] kthread+0x3b1/0x4a0 [ 81.880349][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 81.885560][ T9] ret_from_fork+0x1f/0x30 [ 81.892126][ T9] Kernel Offset: disabled [ 81.898167][ T9] Rebooting in 86400 seconds..