DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36 forked to background, child pid 3181 [ 31.907969][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.919156][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2022/11/09 02:01:12 fuzzer started 2022/11/09 02:01:12 connecting to host at 10.128.0.169:38059 2022/11/09 02:01:12 checking machine... 2022/11/09 02:01:12 checking revisions... 2022/11/09 02:01:12 testing simple program... syzkaller login: [ 50.386059][ T3609] cgroup: Unknown subsys name 'net' [ 50.492494][ T3609] cgroup: Unknown subsys name 'rlimit' [ 50.697902][ T3615] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.706014][ T3615] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.713804][ T3615] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.721687][ T3613] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.730174][ T3613] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.737539][ T3613] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.747256][ T3611] Bluetooth: hci0: HCI_REQ-0x0c1a [ 50.862533][ T3611] chnl_net:caif_netlink_parms(): no params data found [ 50.912931][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.920957][ T3611] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.929499][ T3611] device bridge_slave_0 entered promiscuous mode [ 50.939121][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.947114][ T3611] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.955688][ T3611] device bridge_slave_1 entered promiscuous mode [ 50.979641][ T3611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.991394][ T3611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.019018][ T3611] team0: Port device team_slave_0 added [ 51.028695][ T3611] team0: Port device team_slave_1 added [ 51.048172][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.056031][ T3611] 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. [ 51.082290][ T3611] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.096626][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.103592][ T3611] 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. [ 51.130641][ T3611] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.162988][ T3611] device hsr_slave_0 entered promiscuous mode [ 51.170979][ T3611] device hsr_slave_1 entered promiscuous mode [ 51.266974][ T3611] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.279211][ T3611] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.288583][ T3611] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.298607][ T3611] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.322581][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.329871][ T3611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.337950][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.345091][ T3611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.401331][ T3611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.413981][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.426339][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.436682][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.444799][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.459624][ T3611] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.471795][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.481814][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.489241][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.501598][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.510483][ T925] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.517616][ T925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.539719][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.549960][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.562446][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.581913][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.591801][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.601693][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.706498][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.714783][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.729253][ T3611] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.749889][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.771019][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.781062][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.789172][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.800006][ T3611] device veth0_vlan entered promiscuous mode [ 51.811497][ T3611] device veth1_vlan entered promiscuous mode [ 51.832405][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.840716][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.850930][ T925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.863179][ T3611] device veth0_macvtap entered promiscuous mode [ 51.874409][ T3611] device veth1_macvtap entered promiscuous mode [ 51.892094][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.900700][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.910479][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.923230][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.932367][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.942233][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.953670][ T3611] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.963186][ T3611] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.973229][ T3611] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.982779][ T3611] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.045963][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.054359][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.069015][ T147] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.082422][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.090993][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.101371][ T147] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/09 02:01:14 building call list... [ 52.422451][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 54.929282][ T11] ------------[ cut here ]------------ [ 54.945268][ T11] WARNING: CPU: 0 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 54.975333][ T11] Modules linked in: [ 54.979299][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 55.016353][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.036563][ T11] Workqueue: netns cleanup_net [ 55.041421][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.065319][ T11] Code: e8 ff 37 0b fa 85 ed 0f 85 7a fd ff ff e8 22 3b 0b fa 0f 0b e9 6e fd ff ff e8 16 3b 0b fa 0f 0b e9 53 ff ff ff e8 0a 3b 0b fa <0f> 0b e9 94 fd ff ff e8 6e ad 57 fa e9 78 ff ff ff e8 34 ad 57 fa [ 55.115182][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 55.121320][ T11] RAX: 0000000000000000 RBX: ffff888020ec1010 RCX: 0000000000000000 [ 55.146529][ T11] RDX: ffff888011a6ba80 RSI: ffffffff87717716 RDI: 0000000000000005 [ 55.154758][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.180856][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020ec1010 [ 55.195463][ T11] R13: ffff888020ec1008 R14: ffff888020ec0000 R15: ffff888020ec1000 [ 55.213372][ T11] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 55.233865][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.250366][ T11] CR2: 000000c002a00000 CR3: 000000007e604000 CR4: 00000000003506e0 [ 55.275279][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.283313][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.316534][ T11] Call Trace: [ 55.319865][ T11] [ 55.323080][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 55.335457][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 55.340991][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 55.366924][ T11] devlink_reload+0x1c2/0x6b0 [ 55.371785][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.395366][ T11] ? xa_find+0x330/0x330 [ 55.399959][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.415213][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.420753][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.440994][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.455389][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.472494][ T11] cleanup_net+0x451/0xb10 [ 55.482501][ T11] ? unregister_pernet_device+0x70/0x70 [ 55.488225][ T11] process_one_work+0x9bf/0x1710 [ 55.506584][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.512138][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 55.535208][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 55.540319][ T11] worker_thread+0x665/0x1080 [ 55.555216][ T11] ? process_one_work+0x1710/0x1710 [ 55.560766][ T11] kthread+0x2e4/0x3a0 [ 55.564888][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 55.585190][ T11] ret_from_fork+0x1f/0x30 [ 55.590131][ T11] [ 55.593172][ T11] Kernel panic - not syncing: panic_on_warn set ... [ 55.599881][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 55.610843][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.621004][ T11] Workqueue: netns cleanup_net [ 55.625810][ T11] Call Trace: [ 55.629100][ T11] [ 55.632126][ T11] dump_stack_lvl+0xcd/0x134 [ 55.636847][ T11] panic+0x2c8/0x622 [ 55.641164][ T11] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.647193][ T11] ? __warn.cold+0x24b/0x350 [ 55.651810][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.657584][ T11] __warn.cold+0x25c/0x350 [ 55.662035][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.667427][ T11] report_bug+0x1bc/0x210 [ 55.671899][ T11] handle_bug+0x3c/0x70 [ 55.676245][ T11] exc_invalid_op+0x14/0x40 [ 55.680774][ T11] asm_exc_invalid_op+0x16/0x20 [ 55.686421][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.693053][ T11] Code: e8 ff 37 0b fa 85 ed 0f 85 7a fd ff ff e8 22 3b 0b fa 0f 0b e9 6e fd ff ff e8 16 3b 0b fa 0f 0b e9 53 ff ff ff e8 0a 3b 0b fa <0f> 0b e9 94 fd ff ff e8 6e ad 57 fa e9 78 ff ff ff e8 34 ad 57 fa [ 55.713641][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 55.719722][ T11] RAX: 0000000000000000 RBX: ffff888020ec1010 RCX: 0000000000000000 [ 55.727891][ T11] RDX: ffff888011a6ba80 RSI: ffffffff87717716 RDI: 0000000000000005 [ 55.736404][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.744561][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020ec1010 [ 55.752636][ T11] R13: ffff888020ec1008 R14: ffff888020ec0000 R15: ffff888020ec1000 [ 55.760721][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.766138][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.771706][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 55.776841][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 55.782348][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 55.787388][ T11] devlink_reload+0x1c2/0x6b0 [ 55.792105][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.799169][ T11] ? xa_find+0x330/0x330 [ 55.803529][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.810322][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.816331][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.822777][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.828524][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.834978][ T11] cleanup_net+0x451/0xb10 [ 55.839518][ T11] ? unregister_pernet_device+0x70/0x70 [ 55.845361][ T11] process_one_work+0x9bf/0x1710 [ 55.850422][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.855822][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 55.860773][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 55.865939][ T11] worker_thread+0x665/0x1080 [ 55.870660][ T11] ? process_one_work+0x1710/0x1710 [ 55.875904][ T11] kthread+0x2e4/0x3a0 [ 55.880086][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 55.885755][ T11] ret_from_fork+0x1f/0x30 [ 55.890228][ T11] [ 55.893424][ T11] Kernel Offset: disabled [ 55.897850][ T11] Rebooting in 86400 seconds..