DUID 00:04:44:5a:cc:c9:49:7a:03:7b:0e:36:9f:1a:c7:8d:92:7d
forked to background, child pid 3180
[   29.742946][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0
[   29.760477][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts.
2022/11/04 11:48:21 fuzzer started
2022/11/04 11:48:22 connecting to host at 10.128.0.169:46751
2022/11/04 11:48:22 checking machine...
2022/11/04 11:48:22 checking revisions...
2022/11/04 11:48:22 testing simple program...
syzkaller login: [   52.934483][ T3609] cgroup: Unknown subsys name 'net'
[   53.033378][ T3609] cgroup: Unknown subsys name 'rlimit'
[   54.284883][ T3612] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   54.292899][ T3612] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   54.300920][ T3612] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   54.309319][ T3612] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   54.318193][ T3612] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   54.325464][ T3612] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   54.334068][ T3611] Bluetooth: hci0: HCI_REQ-0x0c1a
[   54.445242][ T3611] chnl_net:caif_netlink_parms(): no params data found
[   54.490023][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.498890][ T3611] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.506993][ T3611] device bridge_slave_0 entered promiscuous mode
[   54.516684][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.523976][ T3611] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.532484][ T3611] device bridge_slave_1 entered promiscuous mode
[   54.553474][ T3611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   54.564511][ T3611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   54.588737][ T3611] team0: Port device team_slave_0 added
[   54.596050][ T3611] team0: Port device team_slave_1 added
[   54.616161][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_0
[   54.623221][ 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.
[   54.649206][ T3611] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   54.661673][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_1
[   54.668780][ 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.
[   54.694707][ T3611] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   54.724505][ T3611] device hsr_slave_0 entered promiscuous mode
[   54.731239][ T3611] device hsr_slave_1 entered promiscuous mode
[   54.814682][ T3611] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   54.824993][ T3611] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   54.835240][ T3611] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   54.844437][ T3611] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   54.866028][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.873243][ T3611] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.881233][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.888332][ T3611] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.935195][ T3611] 8021q: adding VLAN 0 to HW filter on device bond0
[   54.949296][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   54.961081][ T3622] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.970837][ T3622] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.979215][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   54.991694][ T3611] 8021q: adding VLAN 0 to HW filter on device team0
[   55.004172][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   55.012889][ T3622] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.019990][ T3622] bridge0: port 1(bridge_slave_0) entered forwarding state
[   55.032216][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   55.041454][   T26] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.048714][   T26] bridge0: port 2(bridge_slave_1) entered forwarding state
[   55.069397][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   55.078966][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   55.097465][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   55.105930][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   55.114491][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   55.123916][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   55.226044][ T3611] 8021q: adding VLAN 0 to HW filter on device batadv0
[   55.235440][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   55.243675][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   55.267359][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   55.281340][ T3611] device veth0_vlan entered promiscuous mode
[   55.290001][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   55.302466][ T3611] device veth1_vlan entered promiscuous mode
[   55.311023][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   55.319458][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   55.327436][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   55.347266][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   55.355455][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   55.365346][ T3611] device veth0_macvtap entered promiscuous mode
[   55.378209][ T3611] device veth1_macvtap entered promiscuous mode
[   55.394922][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_0
[   55.405054][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   55.415604][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   55.428528][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_1
[   55.436753][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   55.445247][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   55.456212][ T3611] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   55.465453][ T3611] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   55.475120][ T3611] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   55.486835][ T3611] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   55.555291][    T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   55.572942][    T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   55.584595][  T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   55.594109][   T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   55.602600][   T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   55.611757][  T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/11/04 11:48:25 building call list...
executing program
[   55.876138][   T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   58.930606][   T36] ------------[ cut here ]------------
[   58.943300][   T36] WARNING: CPU: 0 PID: 36 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390
[   58.966266][   T36] Modules linked in:
[   58.974637][   T36] CPU: 0 PID: 36 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00752-g95ec6bce2a0b #0
[   58.997968][   T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[   59.026658][   T36] Workqueue: netns cleanup_net
[   59.031504][   T36] RIP: 0010:devl_port_unregister+0x2f6/0x390
[   59.051083][   T36] Code: e8 3f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 62 3c 0b fa 0f 0b e9 6e fd ff ff e8 56 3c 0b fa 0f 0b e9 53 ff ff ff e8 4a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 ae ae 57 fa e9 78 ff ff ff e8 74 ae 57 fa
[   59.086639][   T36] RSP: 0018:ffffc90000ad7a08 EFLAGS: 00010293
[   59.096956][   T36] RAX: 0000000000000000 RBX: ffff88806d834810 RCX: 0000000000000000
[   59.104975][   T36] RDX: ffff888017420000 RSI: ffffffff877175d6 RDI: 0000000000000005
[   59.136615][   T36] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
[   59.144646][   T36] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806d834810
[   59.163635][   T36] R13: ffff88806d834808 R14: ffff88806d833800 R15: ffff88806d834800
[   59.182556][   T36] FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   59.204098][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.220655][   T36] CR2: 00005644564a3b30 CR3: 000000001ce6d000 CR4: 00000000003506f0
[   59.242135][   T36] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.261230][   T36] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.286536][   T36] Call Trace:
[   59.289936][   T36]  <TASK>
[   59.292900][   T36]  __nsim_dev_port_del+0x1bb/0x240
[   59.306646][   T36]  nsim_dev_reload_destroy+0x171/0x510
[   59.317190][   T36]  nsim_dev_reload_down+0x6b/0xd0
[   59.328861][   T36]  devlink_reload+0x1c2/0x6b0
[   59.333879][   T36]  ? devlink_remote_reload_actions_performed+0xa0/0xa0
[   59.356975][   T36]  ? xa_find+0x330/0x330
[   59.366737][   T36]  ? devlinks_xa_find_get.constprop.0+0x170/0x260
[   59.387134][   T36]  devlink_pernet_pre_exit+0x104/0x1c0
[   59.392686][   T36]  ? devlinks_xa_find_get.constprop.0+0x260/0x260
[   59.406041][   T36]  ? cttimeout_net_pre_exit+0x109/0x500
[   59.426630][   T36]  ? devlinks_xa_find_get.constprop.0+0x260/0x260
[   59.433135][   T36]  cleanup_net+0x451/0xb10
[   59.437695][   T36]  ? unregister_pernet_device+0x70/0x70
[   59.443691][   T36]  process_one_work+0x9bf/0x1710
[   59.456999][   T36]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   59.462547][   T36]  ? rwlock_bug.part.0+0x90/0x90
[   59.476656][   T36]  ? _raw_spin_lock_irq+0x41/0x50
[   59.481785][   T36]  worker_thread+0x665/0x1080
[   59.491949][   T36]  ? process_one_work+0x1710/0x1710
[   59.512064][   T36]  kthread+0x2e4/0x3a0
[   59.516886][   T36]  ? kthread_complete_and_exit+0x40/0x40
[   59.531529][   T36]  ret_from_fork+0x1f/0x30
[   59.536118][   T36]  </TASK>
[   59.539522][   T36] Kernel panic - not syncing: panic_on_warn set ...
[   59.546152][   T36] CPU: 1 PID: 36 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00752-g95ec6bce2a0b #0
[   59.556155][   T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[   59.566236][   T36] Workqueue: netns cleanup_net
[   59.571044][   T36] Call Trace:
[   59.574340][   T36]  <TASK>
[   59.577299][   T36]  dump_stack_lvl+0xcd/0x134
[   59.581939][   T36]  panic+0x2c8/0x622
[   59.585870][   T36]  ? panic_print_sys_info.part.0+0x110/0x110
[   59.591903][   T36]  ? __warn.cold+0x24b/0x350
[   59.596529][   T36]  ? devl_port_unregister+0x2f6/0x390
[   59.601936][   T36]  __warn.cold+0x25c/0x350
[   59.606377][   T36]  ? devl_port_unregister+0x2f6/0x390
[   59.611774][   T36]  report_bug+0x1bc/0x210
[   59.616139][   T36]  handle_bug+0x3c/0x70
[   59.620316][   T36]  exc_invalid_op+0x14/0x40
[   59.624873][   T36]  asm_exc_invalid_op+0x16/0x20
[   59.629744][   T36] RIP: 0010:devl_port_unregister+0x2f6/0x390
[   59.635753][   T36] Code: e8 3f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 62 3c 0b fa 0f 0b e9 6e fd ff ff e8 56 3c 0b fa 0f 0b e9 53 ff ff ff e8 4a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 ae ae 57 fa e9 78 ff ff ff e8 74 ae 57 fa
[   59.655394][   T36] RSP: 0018:ffffc90000ad7a08 EFLAGS: 00010293
[   59.661502][   T36] RAX: 0000000000000000 RBX: ffff88806d834810 RCX: 0000000000000000
[   59.669498][   T36] RDX: ffff888017420000 RSI: ffffffff877175d6 RDI: 0000000000000005
[   59.677485][   T36] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
[   59.685471][   T36] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806d834810
[   59.693456][   T36] R13: ffff88806d834808 R14: ffff88806d833800 R15: ffff88806d834800
[   59.701545][   T36]  ? devl_port_unregister+0x2f6/0x390
[   59.706953][   T36]  ? devl_port_unregister+0x2f6/0x390
[   59.712434][   T36]  __nsim_dev_port_del+0x1bb/0x240
[   59.717572][   T36]  nsim_dev_reload_destroy+0x171/0x510
[   59.723057][   T36]  nsim_dev_reload_down+0x6b/0xd0
[   59.728108][   T36]  devlink_reload+0x1c2/0x6b0
[   59.732814][   T36]  ? devlink_remote_reload_actions_performed+0xa0/0xa0
[   59.739692][   T36]  ? xa_find+0x330/0x330
[   59.743970][   T36]  ? devlinks_xa_find_get.constprop.0+0x170/0x260
[   59.750415][   T36]  devlink_pernet_pre_exit+0x104/0x1c0
[   59.755900][   T36]  ? devlinks_xa_find_get.constprop.0+0x260/0x260
[   59.762349][   T36]  ? cttimeout_net_pre_exit+0x109/0x500
[   59.767934][   T36]  ? devlinks_xa_find_get.constprop.0+0x260/0x260
[   59.774395][   T36]  cleanup_net+0x451/0xb10
[   59.778853][   T36]  ? unregister_pernet_device+0x70/0x70
[   59.784441][   T36]  process_one_work+0x9bf/0x1710
[   59.789420][   T36]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   59.794828][   T36]  ? rwlock_bug.part.0+0x90/0x90
[   59.799874][   T36]  ? _raw_spin_lock_irq+0x41/0x50
[   59.804934][   T36]  worker_thread+0x665/0x1080
[   59.809650][   T36]  ? process_one_work+0x1710/0x1710
[   59.814871][   T36]  kthread+0x2e4/0x3a0
[   59.818957][   T36]  ? kthread_complete_and_exit+0x40/0x40
[   59.824617][   T36]  ret_from_fork+0x1f/0x30
[   59.829078][   T36]  </TASK>
[   59.832157][   T36] Kernel Offset: disabled
[   59.836591][   T36] Rebooting in 86400 seconds..