Warning: Permanently added '10.128.10.27' (ECDSA) to the list of known hosts. 2021/04/28 12:27:19 fuzzer started 2021/04/28 12:27:19 connecting to host at 10.128.0.169:38211 2021/04/28 12:27:19 checking machine... 2021/04/28 12:27:19 checking revisions... 2021/04/28 12:27:19 testing simple program... syzkaller login: [ 75.311868][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 75.368461][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.379129][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.390239][ T8449] device bridge_slave_0 entered promiscuous mode [ 75.401589][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.410311][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.420066][ T8449] device bridge_slave_1 entered promiscuous mode [ 75.442177][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.453839][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.481770][ T8449] team0: Port device team_slave_0 added [ 75.490645][ T8449] team0: Port device team_slave_1 added [ 75.511944][ T8449] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.520281][ T8449] 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. [ 75.549675][ T8449] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.565423][ T8449] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.574324][ T8449] 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. [ 75.604849][ T8449] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.633822][ T8449] device hsr_slave_0 entered promiscuous mode [ 75.641643][ T8449] device hsr_slave_1 entered promiscuous mode [ 75.753885][ T8449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.766465][ T8449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.778210][ T8449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.789771][ T8449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.817213][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.825561][ T8449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.834292][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.842935][ T8449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.895829][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.912968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.925954][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.937095][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.947113][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.965650][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.978463][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.989451][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.997627][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.011379][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.023220][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.031662][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.053496][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.063495][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.077776][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.093856][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.109842][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.123212][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.145696][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.153764][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.170837][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.201247][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.225222][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.236420][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.249008][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.260512][ T8449] device veth0_vlan entered promiscuous mode [ 76.275767][ T8449] device veth1_vlan entered promiscuous mode [ 76.304672][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.314719][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.328332][ T8449] device veth0_macvtap entered promiscuous mode [ 76.344389][ T8449] device veth1_macvtap entered promiscuous mode [ 76.364824][ T8449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.373982][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.385178][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.395674][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.408924][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.423304][ T8449] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.433096][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.444640][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.457488][ T8449] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.468645][ T8449] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.479541][ T8449] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.489508][ T8449] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.591381][ T108] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.617556][ T108] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.630339][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 76.638638][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.662555][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.677683][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2021/04/28 12:27:22 building call list... [ 77.355449][ T9] ------------[ cut here ]------------ [ 77.362726][ T9] hook not found, pf 3 num 0 [ 77.363383][ T9] WARNING: CPU: 0 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.385347][ T9] Modules linked in: [ 77.393161][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210428-syzkaller #0 [ 77.404318][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.416850][ T9] Workqueue: netns cleanup_net [ 77.423695][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.432589][ 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 4d 6e 8a e8 c8 62 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 04 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.464509][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 77.473684][ T9] RAX: 0000000000000000 RBX: ffff8880249a9e00 RCX: 0000000000000000 [ 77.483151][ T9] RDX: ffff8880123a8000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 77.494912][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.504053][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802f930f20 [ 77.515364][ T9] R13: 0000000000000000 R14: ffff88801dfd7900 R15: 0000000000000001 [ 77.524764][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.538176][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.546036][ T9] CR2: 00007f3cf01b2000 CR3: 0000000029ce4000 CR4: 00000000001506f0 [ 77.556724][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.567100][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.578536][ T9] Call Trace: [ 77.582810][ T9] nf_unregister_net_hooks+0x117/0x160 [ 77.591034][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.597279][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 77.604504][ T9] cleanup_net+0x451/0xb10 [ 77.614280][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.621027][ T9] process_one_work+0x98d/0x1600 [ 77.626559][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.635426][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 77.642509][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 77.647992][ T9] worker_thread+0x64c/0x1120 [ 77.655893][ T9] ? process_one_work+0x1600/0x1600 [ 77.662501][ T9] kthread+0x3b1/0x4a0 [ 77.667146][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 77.676248][ T9] ret_from_fork+0x1f/0x30 [ 77.681765][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 77.688903][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210428-syzkaller #0 [ 77.698832][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.710063][ T9] Workqueue: netns cleanup_net [ 77.715569][ T9] Call Trace: [ 77.719057][ T9] dump_stack+0x141/0x1d7 [ 77.724046][ T9] panic+0x306/0x73d [ 77.728571][ T9] ? __warn_printk+0xf3/0xf3 [ 77.734072][ T9] ? __warn.cold+0x1a/0x44 [ 77.739045][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.745145][ T9] __warn.cold+0x35/0x44 [ 77.749627][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 77.755740][ T9] report_bug+0x1bd/0x210 [ 77.760288][ T9] handle_bug+0x3c/0x60 [ 77.764748][ T9] exc_invalid_op+0x14/0x40 [ 77.769370][ T9] asm_exc_invalid_op+0x12/0x20 [ 77.774445][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.781566][ 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 4d 6e 8a e8 c8 62 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 04 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.802412][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 77.808953][ T9] RAX: 0000000000000000 RBX: ffff8880249a9e00 RCX: 0000000000000000 [ 77.817159][ T9] RDX: ffff8880123a8000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 77.826312][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.834667][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802f930f20 [ 77.843064][ T9] R13: 0000000000000000 R14: ffff88801dfd7900 R15: 0000000000000001 [ 77.852925][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 77.858817][ T9] ? vprintk+0x95/0x260 [ 77.863041][ T9] nf_unregister_net_hooks+0x117/0x160 [ 77.868798][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 77.875116][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 77.880876][ T9] cleanup_net+0x451/0xb10 [ 77.885492][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 77.891369][ T9] process_one_work+0x98d/0x1600 [ 77.897046][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.902947][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 77.907972][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 77.914731][ T9] worker_thread+0x64c/0x1120 [ 77.919785][ T9] ? process_one_work+0x1600/0x1600 [ 77.925468][ T9] kthread+0x3b1/0x4a0 [ 77.930282][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 77.935972][ T9] ret_from_fork+0x1f/0x30 [ 77.944700][ T9] Kernel Offset: disabled [ 77.951344][ T9] Rebooting in 86400 seconds..