DUID 00:04:99:cf:64:81:91:3a:f8:b3:88:a8:0e:05:2a:78:8a:13 forked to background, child pid 4814 [ 27.288639][ T4815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.303696][ T4815] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. 2022/11/10 08:21:34 fuzzer started 2022/11/10 08:21:34 connecting to host at 10.128.0.169:39781 2022/11/10 08:21:34 checking machine... 2022/11/10 08:21:34 checking revisions... 2022/11/10 08:21:34 testing simple program... syzkaller login: [ 42.969051][ T5235] cgroup: Unknown subsys name 'net' [ 43.096706][ T5235] cgroup: Unknown subsys name 'rlimit' [ 43.301976][ T5239] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.309892][ T5239] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.317834][ T5239] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.325978][ T5239] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.333831][ T5239] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.341390][ T5239] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.349862][ T5237] Bluetooth: hci0: HCI_REQ-0x0c1a [ 43.438270][ T5237] chnl_net:caif_netlink_parms(): no params data found [ 43.477131][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.485407][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.493867][ T5237] device bridge_slave_0 entered promiscuous mode [ 43.502965][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.510273][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.517894][ T5237] device bridge_slave_1 entered promiscuous mode [ 43.537180][ T5237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.548010][ T5237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.569132][ T5237] team0: Port device team_slave_0 added [ 43.576440][ T5237] team0: Port device team_slave_1 added [ 43.593480][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.600784][ T5237] 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. [ 43.626810][ T5237] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.639110][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.646105][ T5237] 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. [ 43.672118][ T5237] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.698439][ T5237] device hsr_slave_0 entered promiscuous mode [ 43.705870][ T5237] device hsr_slave_1 entered promiscuous mode [ 43.779106][ T5237] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.788971][ T5237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.797865][ T5237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.806602][ T5237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.826511][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.833776][ T5237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.841913][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.848999][ T5237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.892202][ T5237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.904591][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.915340][ T5246] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.924290][ T5246] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.932832][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.945940][ T5237] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.956749][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.965549][ T5246] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.972651][ T5246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.992104][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.001775][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.008924][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.017495][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.032722][ T5237] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 44.044786][ T5237] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.057770][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.066978][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.075708][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.084680][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.095535][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.176305][ T5237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.184609][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.193134][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.211724][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.227982][ T5237] device veth0_vlan entered promiscuous mode [ 44.235566][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.244250][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.252454][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.264902][ T5237] device veth1_vlan entered promiscuous mode [ 44.282458][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.291034][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.299536][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.309770][ T5237] device veth0_macvtap entered promiscuous mode [ 44.321767][ T5237] device veth1_macvtap entered promiscuous mode [ 44.336662][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.344978][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.354856][ T5246] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.365191][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.373596][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.385266][ T5237] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.394433][ T5237] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.403681][ T5237] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.413278][ T5237] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.467493][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.487994][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.500798][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.509011][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.512199][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.524987][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/10 08:21:36 building call list... [ 44.802577][ T92] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 47.284482][ T92] ------------[ cut here ]------------ [ 47.301465][ T92] WARNING: CPU: 0 PID: 92 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 47.316539][ T92] Modules linked in: [ 47.330276][ T92] CPU: 0 PID: 92 Comm: kworker/u4:4 Not tainted 6.1.0-rc4-next-20221110-syzkaller #0 [ 47.339881][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.371452][ T92] Workqueue: netns cleanup_net [ 47.376478][ T92] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 47.390294][ T92] Code: e8 ef 33 fb f9 85 ed 0f 85 7a fd ff ff e8 12 37 fb f9 0f 0b e9 6e fd ff ff e8 06 37 fb f9 0f 0b e9 53 ff ff ff e8 fa 36 fb f9 <0f> 0b e9 94 fd ff ff e8 7e 23 48 fa e9 78 ff ff ff e8 44 23 48 fa [ 47.440428][ T92] RSP: 0018:ffffc900015f7a08 EFLAGS: 00010293 [ 47.451302][ T92] RAX: 0000000000000000 RBX: ffff88801cff0010 RCX: 0000000000000000 [ 47.459494][ T92] RDX: ffff888017ebba80 RSI: ffffffff87819b96 RDI: 0000000000000005 [ 47.480232][ T92] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 47.488419][ T92] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801cff0010 [ 47.497188][ T92] R13: ffff88801cff0008 R14: ffff88807ba4f000 R15: ffff88801cff0000 [ 47.505522][ T92] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 47.524534][ T92] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.539797][ T92] CR2: 0000556cdb4eb058 CR3: 0000000027e4f000 CR4: 00000000003506e0 [ 47.559922][ T92] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.581229][ T92] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.590283][ T92] Call Trace: [ 47.593668][ T92] [ 47.596687][ T92] __nsim_dev_port_del+0x1bb/0x240 [ 47.616475][ T92] nsim_dev_reload_destroy+0x171/0x510 [ 47.630228][ T92] nsim_dev_reload_down+0x6b/0xd0 [ 47.640447][ T92] devlink_reload+0x1c2/0x6b0 [ 47.645180][ T92] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 47.653978][ T92] ? xa_find+0x330/0x330 [ 47.658350][ T92] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 47.665642][ T92] devlink_pernet_pre_exit+0x104/0x1c0 [ 47.672739][ T92] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.673240][ T5230] can: request_module (can-proto-0) failed. [ 47.679283][ T92] ? cttimeout_net_pre_exit+0x109/0x500 [ 47.693747][ T92] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.700497][ T92] cleanup_net+0x451/0xb10 [ 47.705058][ T92] ? unregister_pernet_device+0x70/0x70 [ 47.712380][ T92] process_one_work+0x9bf/0x1710 [ 47.717488][ T92] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 47.723315][ T92] ? rwlock_bug.part.0+0x90/0x90 [ 47.728848][ T92] ? _raw_spin_lock_irq+0x41/0x50 [ 47.735712][ T92] worker_thread+0x665/0x1080 [ 47.740737][ T92] ? __kthread_parkme+0x15f/0x220 [ 47.745878][ T92] ? process_one_work+0x1710/0x1710 [ 47.753034][ T92] kthread+0x2e4/0x3a0 [ 47.757144][ T92] ? kthread_complete_and_exit+0x40/0x40 [ 47.763360][ T92] ret_from_fork+0x1f/0x30 [ 47.767953][ T92] [ 47.771155][ T5230] can: request_module (can-proto-0) failed. [ 47.777903][ T92] Kernel panic - not syncing: panic_on_warn set ... [ 47.784499][ T92] CPU: 1 PID: 92 Comm: kworker/u4:4 Not tainted 6.1.0-rc4-next-20221110-syzkaller #0 [ 47.794001][ T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.804164][ T92] Workqueue: netns cleanup_net [ 47.808930][ T92] Call Trace: [ 47.812203][ T92] [ 47.815126][ T92] dump_stack_lvl+0xcd/0x134 [ 47.819716][ T92] panic+0x2c8/0x622 [ 47.823693][ T92] ? panic_print_sys_info.part.0+0x110/0x110 [ 47.829676][ T92] ? __warn.cold+0x24b/0x350 [ 47.834266][ T92] ? devl_port_unregister+0x2f6/0x390 [ 47.839636][ T92] __warn.cold+0x25c/0x350 [ 47.844048][ T92] ? devl_port_unregister+0x2f6/0x390 [ 47.849548][ T92] report_bug+0x1bc/0x210 [ 47.853971][ T92] handle_bug+0x3c/0x70 [ 47.858125][ T92] exc_invalid_op+0x14/0x40 [ 47.862627][ T92] asm_exc_invalid_op+0x16/0x20 [ 47.867474][ T92] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 47.873461][ T92] Code: e8 ef 33 fb f9 85 ed 0f 85 7a fd ff ff e8 12 37 fb f9 0f 0b e9 6e fd ff ff e8 06 37 fb f9 0f 0b e9 53 ff ff ff e8 fa 36 fb f9 <0f> 0b e9 94 fd ff ff e8 7e 23 48 fa e9 78 ff ff ff e8 44 23 48 fa [ 47.893148][ T92] RSP: 0018:ffffc900015f7a08 EFLAGS: 00010293 [ 47.899208][ T92] RAX: 0000000000000000 RBX: ffff88801cff0010 RCX: 0000000000000000 [ 47.907173][ T92] RDX: ffff888017ebba80 RSI: ffffffff87819b96 RDI: 0000000000000005 [ 47.915143][ T92] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 47.923104][ T92] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801cff0010 [ 47.931330][ T92] R13: ffff88801cff0008 R14: ffff88807ba4f000 R15: ffff88801cff0000 [ 47.939586][ T92] ? devl_port_unregister+0x2f6/0x390 [ 47.945512][ T92] ? devl_port_unregister+0x2f6/0x390 [ 47.950898][ T92] __nsim_dev_port_del+0x1bb/0x240 [ 47.956024][ T92] nsim_dev_reload_destroy+0x171/0x510 [ 47.961496][ T92] nsim_dev_reload_down+0x6b/0xd0 [ 47.966524][ T92] devlink_reload+0x1c2/0x6b0 [ 47.974287][ T92] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 47.982025][ T92] ? xa_find+0x330/0x330 [ 47.986874][ T92] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 47.995460][ T92] devlink_pernet_pre_exit+0x104/0x1c0 [ 48.004809][ T92] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 48.019000][ T92] ? cttimeout_net_pre_exit+0x109/0x500 [ 48.027731][ T92] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 48.036615][ T92] cleanup_net+0x451/0xb10 [ 48.041063][ T92] ? unregister_pernet_device+0x70/0x70 [ 48.046637][ T92] process_one_work+0x9bf/0x1710 [ 48.051598][ T92] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 48.057044][ T92] ? rwlock_bug.part.0+0x90/0x90 [ 48.062157][ T92] ? _raw_spin_lock_irq+0x41/0x50 [ 48.067197][ T92] worker_thread+0x665/0x1080 [ 48.071979][ T92] ? __kthread_parkme+0x15f/0x220 [ 48.077001][ T92] ? process_one_work+0x1710/0x1710 [ 48.082201][ T92] kthread+0x2e4/0x3a0 [ 48.086277][ T92] ? kthread_complete_and_exit+0x40/0x40 [ 48.091910][ T92] ret_from_fork+0x1f/0x30 [ 48.096377][ T92] [ 48.099608][ T92] Kernel Offset: disabled [ 48.104038][ T92] Rebooting in 86400 seconds..