forked to background, child pid 4813 [ 29.203397][ T4814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.215303][ T4814] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 29.521735][ T4901] sshd (4901) used greatest stack depth: 22440 bytes left OK syzkaller Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts. 2022/11/07 14:10:26 fuzzer started 2022/11/07 14:10:26 connecting to host at 10.128.0.169:33939 2022/11/07 14:10:26 checking machine... 2022/11/07 14:10:26 checking revisions... 2022/11/07 14:10:26 testing simple program... syzkaller login: [ 51.965606][ T5241] cgroup: Unknown subsys name 'net' [ 52.090838][ T5241] cgroup: Unknown subsys name 'rlimit' [ 53.360128][ T5244] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.368980][ T5244] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.376812][ T5244] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.384658][ T5244] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.392501][ T5244] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.400235][ T5247] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.408428][ T5243] Bluetooth: hci0: HCI_REQ-0x0c1a [ 53.502800][ T5243] chnl_net:caif_netlink_parms(): no params data found [ 53.542496][ T5243] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.550149][ T5243] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.558285][ T5243] device bridge_slave_0 entered promiscuous mode [ 53.567874][ T5243] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.575204][ T5243] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.582878][ T5243] device bridge_slave_1 entered promiscuous mode [ 53.602198][ T5243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.613073][ T5243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.634138][ T5243] team0: Port device team_slave_0 added [ 53.641446][ T5243] team0: Port device team_slave_1 added [ 53.659280][ T5243] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.666506][ T5243] 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. [ 53.693230][ T5243] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.707357][ T5243] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.715663][ T5243] 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. [ 53.743368][ T5243] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.772603][ T5243] device hsr_slave_0 entered promiscuous mode [ 53.779651][ T5243] device hsr_slave_1 entered promiscuous mode [ 53.857197][ T5243] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.867084][ T5243] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.876920][ T5243] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.886640][ T5243] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.907229][ T5243] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.914597][ T5243] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.922451][ T5243] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.929662][ T5243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.972301][ T5243] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.985537][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.997512][ T923] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.006503][ T923] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.017059][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.029513][ T5243] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.040448][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.049280][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.056365][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.068613][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.078232][ T923] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.086357][ T923] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.104900][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.113439][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.126057][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.140665][ T5243] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.152079][ T5243] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.164563][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.173234][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.182847][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.270129][ T5243] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.278831][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.286571][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.303520][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.321694][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.331255][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.340048][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.349770][ T5243] device veth0_vlan entered promiscuous mode [ 54.361650][ T5243] device veth1_vlan entered promiscuous mode [ 54.381258][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.390827][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.399404][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.409810][ T5243] device veth0_macvtap entered promiscuous mode [ 54.421025][ T5243] device veth1_macvtap entered promiscuous mode [ 54.437470][ T5243] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.447125][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.456843][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.467665][ T5243] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.477265][ T5255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.489107][ T5243] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.498786][ T5243] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.508593][ T5243] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.518163][ T5243] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.579131][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.587871][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.602938][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.612476][ T33] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.621178][ T33] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.631107][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/07 14:10:29 building call list... executing program [ 54.879272][ T56] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.702805][ T5240] can: request_module (can-proto-0) failed. [ 57.741444][ T5240] can: request_module (can-proto-0) failed. executing program [ 57.781331][ T5240] can: request_module (can-proto-0) failed. [ 57.957825][ T56] ------------[ cut here ]------------ [ 57.973989][ T56] WARNING: CPU: 0 PID: 56 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 57.995191][ T56] Modules linked in: [ 57.999416][ T56] CPU: 0 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0 [ 58.022373][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.034336][ T56] Workqueue: netns cleanup_net [ 58.039459][ T56] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.047061][ T56] Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa [ 58.069070][ T56] RSP: 0018:ffffc90001587a08 EFLAGS: 00010293 [ 58.075569][ T56] RAX: 0000000000000000 RBX: ffff888029d8b010 RCX: 0000000000000000 [ 58.084129][ T56] RDX: ffff888016a9ba80 RSI: ffffffff87809286 RDI: 0000000000000005 [ 58.093843][ T56] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.102756][ T56] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888029d8b010 [ 58.112465][ T56] R13: ffff888029d8b008 R14: ffff888029d8a000 R15: ffff888029d8b000 [ 58.121602][ T56] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 58.132147][ T56] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.139252][ T56] CR2: 00005577bc458058 CR3: 0000000026ae6000 CR4: 00000000003506f0 [ 58.154515][ T56] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.162622][ T56] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.184506][ T56] Call Trace: [ 58.187826][ T56] [ 58.190857][ T56] __nsim_dev_port_del+0x1bb/0x240 [ 58.208051][ T56] nsim_dev_reload_destroy+0x171/0x510 [ 58.214877][ T56] nsim_dev_reload_down+0x6b/0xd0 [ 58.220204][ T56] devlink_reload+0x1c2/0x6b0 [ 58.225649][ T56] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.232636][ T56] ? xa_find+0x330/0x330 [ 58.237322][ T56] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.244058][ T56] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.250349][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.257445][ T56] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.263070][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.270313][ T56] cleanup_net+0x451/0xb10 [ 58.277207][ T56] ? unregister_pernet_device+0x70/0x70 [ 58.282815][ T56] process_one_work+0x9bf/0x1710 [ 58.288272][ T56] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.293697][ T56] ? rwlock_bug.part.0+0x90/0x90 [ 58.300302][ T56] ? _raw_spin_lock_irq+0x41/0x50 [ 58.306131][ T56] worker_thread+0x665/0x1080 [ 58.310885][ T56] ? __kthread_parkme+0x15f/0x220 [ 58.317567][ T56] ? process_one_work+0x1710/0x1710 [ 58.322826][ T56] kthread+0x2e4/0x3a0 [ 58.328915][ T56] ? kthread_complete_and_exit+0x40/0x40 [ 58.336202][ T56] ret_from_fork+0x1f/0x30 [ 58.340707][ T56] [ 58.343743][ T56] Kernel panic - not syncing: panic_on_warn set ... [ 58.350372][ T56] CPU: 0 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0 [ 58.360207][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.370642][ T56] Workqueue: netns cleanup_net [ 58.375557][ T56] Call Trace: [ 58.379869][ T56] [ 58.382872][ T56] dump_stack_lvl+0xcd/0x134 [ 58.387636][ T56] panic+0x2c8/0x622 [ 58.391676][ T56] ? panic_print_sys_info.part.0+0x110/0x110 [ 58.397827][ T56] ? __warn.cold+0x24b/0x350 [ 58.402962][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.408393][ T56] __warn.cold+0x25c/0x350 [ 58.413280][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.418944][ T56] report_bug+0x1bc/0x210 [ 58.423738][ T56] handle_bug+0x3c/0x70 [ 58.428095][ T56] exc_invalid_op+0x14/0x40 [ 58.433062][ T56] asm_exc_invalid_op+0x16/0x20 [ 58.438032][ T56] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.444127][ T56] Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa [ 58.465249][ T56] RSP: 0018:ffffc90001587a08 EFLAGS: 00010293 [ 58.471863][ T56] RAX: 0000000000000000 RBX: ffff888029d8b010 RCX: 0000000000000000 [ 58.480384][ T56] RDX: ffff888016a9ba80 RSI: ffffffff87809286 RDI: 0000000000000005 [ 58.489250][ T56] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.497698][ T56] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888029d8b010 [ 58.505971][ T56] R13: ffff888029d8b008 R14: ffff888029d8a000 R15: ffff888029d8b000 [ 58.514248][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.519843][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.525642][ T56] __nsim_dev_port_del+0x1bb/0x240 [ 58.530984][ T56] nsim_dev_reload_destroy+0x171/0x510 [ 58.536589][ T56] nsim_dev_reload_down+0x6b/0xd0 [ 58.541680][ T56] devlink_reload+0x1c2/0x6b0 [ 58.546574][ T56] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.553619][ T56] ? xa_find+0x330/0x330 [ 58.558362][ T56] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.565287][ T56] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.571208][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.577862][ T56] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.583478][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.589997][ T56] cleanup_net+0x451/0xb10 [ 58.594688][ T56] ? unregister_pernet_device+0x70/0x70 [ 58.600281][ T56] process_one_work+0x9bf/0x1710 [ 58.605359][ T56] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.610875][ T56] ? rwlock_bug.part.0+0x90/0x90 [ 58.615871][ T56] ? _raw_spin_lock_irq+0x41/0x50 [ 58.621301][ T56] worker_thread+0x665/0x1080 [ 58.626055][ T56] ? __kthread_parkme+0x15f/0x220 [ 58.631700][ T56] ? process_one_work+0x1710/0x1710 [ 58.637112][ T56] kthread+0x2e4/0x3a0 [ 58.641428][ T56] ? kthread_complete_and_exit+0x40/0x40 [ 58.647120][ T56] ret_from_fork+0x1f/0x30 [ 58.651906][ T56] [ 58.655156][ T56] Kernel Offset: disabled [ 58.659975][ T56] Rebooting in 86400 seconds..