DUID 00:04:08:6f:95:b8:7a:da:47:d5:ae:28:d8:4d:e4:58:2e:6d forked to background, child pid 4812 [ 31.516956][ T4813] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.527480][ T4813] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. 2022/11/09 07:09:44 fuzzer started 2022/11/09 07:09:45 connecting to host at 10.128.0.169:32927 2022/11/09 07:09:45 checking machine... 2022/11/09 07:09:45 checking revisions... 2022/11/09 07:09:45 testing simple program... syzkaller login: [ 55.281343][ T5234] cgroup: Unknown subsys name 'net' [ 55.418125][ T5234] cgroup: Unknown subsys name 'rlimit' [ 55.652725][ T5238] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.660662][ T5238] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.669239][ T5238] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.677416][ T5238] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.685520][ T5238] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.693293][ T5238] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.702281][ T5236] Bluetooth: hci0: HCI_REQ-0x0c1a [ 55.818910][ T5236] chnl_net:caif_netlink_parms(): no params data found [ 55.869164][ T5236] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.877077][ T5236] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.885794][ T5236] device bridge_slave_0 entered promiscuous mode [ 55.896049][ T5236] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.903558][ T5236] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.911981][ T5236] device bridge_slave_1 entered promiscuous mode [ 55.934365][ T5236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.945690][ T5236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.970860][ T5236] team0: Port device team_slave_0 added [ 55.979266][ T5236] team0: Port device team_slave_1 added [ 55.998207][ T5236] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.005551][ T5236] 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. [ 56.033005][ T5236] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.046780][ T5236] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.054197][ T5236] 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. [ 56.081106][ T5236] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.111934][ T5236] device hsr_slave_0 entered promiscuous mode [ 56.118966][ T5236] device hsr_slave_1 entered promiscuous mode [ 56.209292][ T5236] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.220981][ T5236] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.230646][ T5236] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.240148][ T5236] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.265517][ T5236] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.272939][ T5236] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.280861][ T5236] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.288200][ T5236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.339226][ T5236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.352220][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.363377][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.374142][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.384075][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.397199][ T5236] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.408601][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.418121][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.425594][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.445114][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.456076][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.463679][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.487646][ T5236] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.498274][ T5236] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.513847][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.523207][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.532758][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.542521][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.551195][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.559336][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.672331][ T5236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.680394][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.688678][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.714020][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.728362][ T5236] device veth0_vlan entered promiscuous mode [ 56.735922][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.747088][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.755524][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.767530][ T5236] device veth1_vlan entered promiscuous mode [ 56.787867][ T5236] device veth0_macvtap entered promiscuous mode [ 56.797776][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.807384][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.817008][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.826499][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.837232][ T5236] device veth1_macvtap entered promiscuous mode [ 56.855937][ T5236] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.863577][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.873627][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.892406][ T5236] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.900323][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.910339][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.922990][ T5236] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.932612][ T5236] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.941630][ T5236] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.951149][ T5236] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.015194][ T33] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.036858][ T33] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.046862][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.047853][ T5254] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.056608][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.073869][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/09 07:09:47 building call list... [ 57.354208][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 60.136212][ T11] ------------[ cut here ]------------ [ 60.152986][ T11] WARNING: CPU: 1 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 60.171379][ T11] Modules linked in: [ 60.175656][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc4-next-20221109-syzkaller #0 [ 60.201287][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 60.221310][ T11] Workqueue: netns cleanup_net [ 60.226244][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 60.240154][ T11] Code: e8 cf 22 fb f9 85 ed 0f 85 7a fd ff ff e8 f2 25 fb f9 0f 0b e9 6e fd ff ff e8 e6 25 fb f9 0f 0b e9 53 ff ff ff e8 da 25 fb f9 <0f> 0b e9 94 fd ff ff e8 fe 08 48 fa e9 78 ff ff ff e8 c4 08 48 fa [ 60.292692][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 60.298920][ T11] RAX: 0000000000000000 RBX: ffff88801d2b3010 RCX: 0000000000000000 [ 60.322857][ T11] RDX: ffff88813fef3a80 RSI: ffffffff8781b7b6 RDI: 0000000000000005 [ 60.341477][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 60.349780][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801d2b3010 [ 60.371275][ T11] R13: ffff88801d2b3008 R14: ffff88801d2b2000 R15: ffff88801d2b3000 [ 60.379444][ T11] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 60.411293][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.418221][ T11] CR2: 00005629602da058 CR3: 0000000028d66000 CR4: 00000000003506e0 [ 60.441328][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.450426][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.471287][ T11] Call Trace: [ 60.474631][ T11] [ 60.477850][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 60.501307][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 60.508302][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 60.531286][ T11] devlink_reload+0x1c2/0x6b0 [ 60.536239][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 60.554959][ T11] ? xa_find+0x330/0x330 [ 60.566097][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 60.583919][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 60.598611][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 60.611888][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 60.618932][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 60.627503][ T11] cleanup_net+0x451/0xb10 [ 60.632834][ T11] ? unregister_pernet_device+0x70/0x70 [ 60.638916][ T11] process_one_work+0x9bf/0x1710 [ 60.645468][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 60.662679][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 60.667944][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 60.682803][ T11] worker_thread+0x665/0x1080 [ 60.687667][ T11] ? process_one_work+0x1710/0x1710 [ 60.707512][ T11] kthread+0x2e4/0x3a0 [ 60.711851][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 60.717724][ T11] ret_from_fork+0x1f/0x30 [ 60.723690][ T11] [ 60.727032][ T11] Kernel panic - not syncing: panic_on_warn set ... [ 60.733838][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc4-next-20221109-syzkaller #0 [ 60.743747][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 60.754891][ T11] Workqueue: netns cleanup_net [ 60.759797][ T11] Call Trace: [ 60.763124][ T11] [ 60.766091][ T11] dump_stack_lvl+0xcd/0x134 [ 60.771163][ T11] panic+0x2c8/0x622 [ 60.775267][ T11] ? panic_print_sys_info.part.0+0x110/0x110 [ 60.781456][ T11] ? __warn.cold+0x24b/0x350 [ 60.786174][ T11] ? devl_port_unregister+0x2f6/0x390 [ 60.792134][ T11] __warn.cold+0x25c/0x350 [ 60.796594][ T11] ? devl_port_unregister+0x2f6/0x390 [ 60.802178][ T11] report_bug+0x1bc/0x210 [ 60.806717][ T11] handle_bug+0x3c/0x70 [ 60.811242][ T11] exc_invalid_op+0x14/0x40 [ 60.815771][ T11] asm_exc_invalid_op+0x16/0x20 [ 60.820732][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 60.826925][ T11] Code: e8 cf 22 fb f9 85 ed 0f 85 7a fd ff ff e8 f2 25 fb f9 0f 0b e9 6e fd ff ff e8 e6 25 fb f9 0f 0b e9 53 ff ff ff e8 da 25 fb f9 <0f> 0b e9 94 fd ff ff e8 fe 08 48 fa e9 78 ff ff ff e8 c4 08 48 fa [ 60.847177][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 60.853449][ T11] RAX: 0000000000000000 RBX: ffff88801d2b3010 RCX: 0000000000000000 [ 60.861887][ T11] RDX: ffff88813fef3a80 RSI: ffffffff8781b7b6 RDI: 0000000000000005 [ 60.869975][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 60.878406][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88801d2b3010 [ 60.886241][ T5225] can: request_module (can-proto-0) failed. [ 60.892634][ T11] R13: ffff88801d2b3008 R14: ffff88801d2b2000 R15: ffff88801d2b3000 [ 60.900649][ T11] ? devl_port_unregister+0x2f6/0x390 [ 60.906228][ T11] ? devl_port_unregister+0x2f6/0x390 [ 60.916849][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 60.923597][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 60.929470][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 60.934864][ T11] devlink_reload+0x1c2/0x6b0 [ 60.939592][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 60.947282][ T11] ? xa_find+0x330/0x330 [ 60.951649][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 60.959177][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 60.965152][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 60.971823][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 60.977769][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 60.984849][ T11] cleanup_net+0x451/0xb10 [ 60.989304][ T11] ? unregister_pernet_device+0x70/0x70 [ 60.995177][ T11] process_one_work+0x9bf/0x1710 [ 61.000621][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 61.006493][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 61.011770][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 61.017132][ T11] worker_thread+0x665/0x1080 [ 61.022321][ T11] ? process_one_work+0x1710/0x1710 [ 61.028007][ T11] kthread+0x2e4/0x3a0 [ 61.033007][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 61.038871][ T11] ret_from_fork+0x1f/0x30 [ 61.043888][ T11] [ 61.047014][ T11] Kernel Offset: disabled [ 61.051534][ T11] Rebooting in 86400 seconds..