DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a forked to background, child pid 3180 [ 31.895910][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.907171][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. 2022/11/09 02:01:13 fuzzer started 2022/11/09 02:01:13 connecting to host at 10.128.0.169:38185 2022/11/09 02:01:13 checking machine... 2022/11/09 02:01:13 checking revisions... 2022/11/09 02:01:13 testing simple program... syzkaller login: [ 51.687056][ T3603] cgroup: Unknown subsys name 'net' [ 51.823624][ T3603] cgroup: Unknown subsys name 'rlimit' [ 52.058767][ T3609] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.067960][ T3609] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.075919][ T3609] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.084790][ T3609] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.092901][ T3609] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.100312][ T3609] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.109120][ T3605] Bluetooth: hci0: HCI_REQ-0x0c1a [ 52.227408][ T3605] chnl_net:caif_netlink_parms(): no params data found [ 52.281594][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.289770][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.298365][ T3605] device bridge_slave_0 entered promiscuous mode [ 52.308728][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.316137][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.324297][ T3605] device bridge_slave_1 entered promiscuous mode [ 52.348407][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.359858][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.384811][ T3605] team0: Port device team_slave_0 added [ 52.393997][ T3605] team0: Port device team_slave_1 added [ 52.413752][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.421091][ T3605] 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. [ 52.447403][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.460597][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.468707][ T3605] 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. [ 52.494838][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.527317][ T3605] device hsr_slave_0 entered promiscuous mode [ 52.534161][ T3605] device hsr_slave_1 entered promiscuous mode [ 52.630224][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.641719][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.652928][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.662654][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.689440][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.696813][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.705006][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.712227][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.770502][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.783866][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.794815][ T3266] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.804818][ T3266] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.813290][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.830983][ T3605] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.845244][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.856687][ T2149] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.863968][ T2149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.877370][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.888852][ T3266] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.896414][ T3266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.917689][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.939592][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.948516][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.957499][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.967598][ T3266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.978426][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.090254][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.099415][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.107969][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.127152][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.147100][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.158893][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.167461][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.179202][ T3605] device veth0_vlan entered promiscuous mode [ 53.192457][ T3605] device veth1_vlan entered promiscuous mode [ 53.208120][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.217262][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.231849][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.242498][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.253981][ T3605] device veth0_macvtap entered promiscuous mode [ 53.267473][ T3605] device veth1_macvtap entered promiscuous mode [ 53.285015][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.293832][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.303037][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.313996][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.323037][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.339265][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.346881][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.356552][ T2149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.370245][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.379991][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.390037][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.399637][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.468575][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.484404][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.497942][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.510117][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.519895][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.529338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/09 02:01:15 building call list... [ 53.813078][ T33] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 56.340079][ T33] ------------[ cut here ]------------ [ 56.352112][ T33] WARNING: CPU: 0 PID: 33 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 56.375541][ T33] Modules linked in: [ 56.387941][ T33] CPU: 0 PID: 33 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 56.412686][ T33] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.435032][ T33] Workqueue: netns cleanup_net [ 56.455626][ T33] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 56.462016][ T33] 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 [ 56.504449][ T33] RSP: 0018:ffffc90000aa7a08 EFLAGS: 00010293 [ 56.519608][ T33] RAX: 0000000000000000 RBX: ffff88806dd02810 RCX: 0000000000000000 [ 56.539831][ T33] RDX: ffff8880173a9d40 RSI: ffffffff87717716 RDI: 0000000000000005 [ 56.560153][ T33] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 56.575721][ T33] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806dd02810 [ 56.594508][ T33] R13: ffff88806dd02808 R14: ffff88806dd01800 R15: ffff88806dd02800 [ 56.613078][ T33] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 56.635859][ T33] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.650354][ T33] CR2: 00007f201822bb40 CR3: 000000002199d000 CR4: 00000000003506f0 [ 56.669897][ T33] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.689236][ T33] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.698378][ T33] Call Trace: [ 56.701787][ T33] [ 56.704975][ T33] __nsim_dev_port_del+0x1bb/0x240 [ 56.712704][ T33] nsim_dev_reload_destroy+0x171/0x510 [ 56.719563][ T33] nsim_dev_reload_down+0x6b/0xd0 [ 56.724813][ T33] devlink_reload+0x1c2/0x6b0 [ 56.731988][ T33] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 56.739525][ T33] ? xa_find+0x330/0x330 [ 56.744129][ T33] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 56.752588][ T33] devlink_pernet_pre_exit+0x104/0x1c0 [ 56.758904][ T33] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.765449][ T33] ? cttimeout_net_pre_exit+0x109/0x500 [ 56.773314][ T33] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.780537][ T33] cleanup_net+0x451/0xb10 [ 56.785551][ T33] ? unregister_pernet_device+0x70/0x70 [ 56.793379][ T33] process_one_work+0x9bf/0x1710 [ 56.813345][ T33] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 56.829727][ T33] ? rwlock_bug.part.0+0x90/0x90 [ 56.844991][ T33] ? _raw_spin_lock_irq+0x41/0x50 [ 56.857865][ T33] worker_thread+0x665/0x1080 [ 56.862639][ T33] ? __kthread_parkme+0x15f/0x220 [ 56.881255][ T33] ? process_one_work+0x1710/0x1710 [ 56.886625][ T33] kthread+0x2e4/0x3a0 [ 56.890726][ T33] ? kthread_complete_and_exit+0x40/0x40 [ 56.915712][ T33] ret_from_fork+0x1f/0x30 [ 56.920809][ T33] [ 56.923997][ T33] Kernel panic - not syncing: panic_on_warn set ... [ 56.930741][ T33] CPU: 0 PID: 33 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 56.941198][ T33] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.951467][ T33] Workqueue: netns cleanup_net [ 56.956378][ T33] Call Trace: [ 56.959685][ T33] [ 56.962637][ T33] dump_stack_lvl+0xcd/0x134 [ 56.967264][ T33] panic+0x2c8/0x622 [ 56.971206][ T33] ? panic_print_sys_info.part.0+0x110/0x110 [ 56.977237][ T33] ? __warn.cold+0x24b/0x350 [ 56.981852][ T33] ? devl_port_unregister+0x2f6/0x390 [ 56.987250][ T33] __warn.cold+0x25c/0x350 [ 56.991690][ T33] ? devl_port_unregister+0x2f6/0x390 [ 56.997170][ T33] report_bug+0x1bc/0x210 [ 57.001539][ T33] handle_bug+0x3c/0x70 [ 57.005708][ T33] exc_invalid_op+0x14/0x40 [ 57.010238][ T33] asm_exc_invalid_op+0x16/0x20 [ 57.015272][ T33] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 57.021486][ T33] 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 [ 57.041657][ T33] RSP: 0018:ffffc90000aa7a08 EFLAGS: 00010293 [ 57.049112][ T33] RAX: 0000000000000000 RBX: ffff88806dd02810 RCX: 0000000000000000 [ 57.057703][ T33] RDX: ffff8880173a9d40 RSI: ffffffff87717716 RDI: 0000000000000005 [ 57.066212][ T33] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 57.074201][ T33] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806dd02810 [ 57.082529][ T33] R13: ffff88806dd02808 R14: ffff88806dd01800 R15: ffff88806dd02800 [ 57.090531][ T33] ? devl_port_unregister+0x2f6/0x390 [ 57.096558][ T33] ? devl_port_unregister+0x2f6/0x390 [ 57.102237][ T33] __nsim_dev_port_del+0x1bb/0x240 [ 57.107381][ T33] nsim_dev_reload_destroy+0x171/0x510 [ 57.112869][ T33] nsim_dev_reload_down+0x6b/0xd0 [ 57.118001][ T33] devlink_reload+0x1c2/0x6b0 [ 57.122711][ T33] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 57.129849][ T33] ? xa_find+0x330/0x330 [ 57.134117][ T33] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 57.140561][ T33] devlink_pernet_pre_exit+0x104/0x1c0 [ 57.146062][ T33] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.152695][ T33] ? cttimeout_net_pre_exit+0x109/0x500 [ 57.158266][ T33] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.164711][ T33] cleanup_net+0x451/0xb10 [ 57.169154][ T33] ? unregister_pernet_device+0x70/0x70 [ 57.174823][ T33] process_one_work+0x9bf/0x1710 [ 57.179809][ T33] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 57.185415][ T33] ? rwlock_bug.part.0+0x90/0x90 [ 57.190646][ T33] ? _raw_spin_lock_irq+0x41/0x50 [ 57.195914][ T33] worker_thread+0x665/0x1080 [ 57.200650][ T33] ? __kthread_parkme+0x15f/0x220 [ 57.205705][ T33] ? process_one_work+0x1710/0x1710 [ 57.211046][ T33] kthread+0x2e4/0x3a0 [ 57.215165][ T33] ? kthread_complete_and_exit+0x40/0x40 [ 57.221101][ T33] ret_from_fork+0x1f/0x30 [ 57.225578][ T33] [ 57.228675][ T33] Kernel Offset: disabled [ 57.233162][ T33] Rebooting in 86400 seconds..