no interfaces have a carrier forked to background, child pid 3179 [ 26.975562][ T3180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.986466][ T3180] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. 2022/11/08 04:17:51 fuzzer started 2022/11/08 04:17:51 connecting to host at 10.128.0.169:41475 2022/11/08 04:17:51 checking machine... 2022/11/08 04:17:51 checking revisions... 2022/11/08 04:17:51 testing simple program... syzkaller login: [ 50.260659][ T3600] cgroup: Unknown subsys name 'net' [ 50.382315][ T3600] cgroup: Unknown subsys name 'rlimit' [ 50.577886][ T3605] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.586295][ T3605] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.594069][ T3605] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.602117][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.609750][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.617127][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.625488][ T3603] Bluetooth: hci0: HCI_REQ-0x0c1a [ 50.718797][ T3603] chnl_net:caif_netlink_parms(): no params data found [ 50.757232][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.764958][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.774049][ T3603] device bridge_slave_0 entered promiscuous mode [ 50.782783][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.790036][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.797912][ T3603] device bridge_slave_1 entered promiscuous mode [ 50.817114][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.828480][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.849671][ T3603] team0: Port device team_slave_0 added [ 50.856838][ T3603] team0: Port device team_slave_1 added [ 50.874155][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.881411][ T3603] 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. [ 50.907663][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.920326][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.927592][ T3603] 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. [ 50.953629][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.981702][ T3603] device hsr_slave_0 entered promiscuous mode [ 50.988836][ T3603] device hsr_slave_1 entered promiscuous mode [ 51.060645][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.070918][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.080754][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.089863][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.109378][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.116538][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.124289][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.131578][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.170086][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.183475][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.193678][ T146] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.202599][ T146] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.210772][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.223026][ T3603] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.234409][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.242904][ T143] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.250081][ T143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.260363][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.269675][ T3614] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.276752][ T3614] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.299269][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.308432][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.317500][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.330557][ T3603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.341849][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.349833][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.357952][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.444614][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.453222][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.461153][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.485881][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.495392][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.503735][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.511751][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.520153][ T3603] device veth0_vlan entered promiscuous mode [ 51.530920][ T3603] device veth1_vlan entered promiscuous mode [ 51.549562][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.557750][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.566739][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.577668][ T3603] device veth0_macvtap entered promiscuous mode [ 51.588327][ T3603] device veth1_macvtap entered promiscuous mode [ 51.602652][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.610232][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.619342][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.630779][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.638572][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.649506][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.658915][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.668254][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.677297][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.734070][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.743344][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.760296][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.773320][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.781591][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.790838][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/08 04:17:53 building call list... [ 52.051703][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 54.789025][ T11] ------------[ cut here ]------------ [ 54.792855][ T3624] can: request_module (can-proto-0) failed. [ 54.802661][ T11] WARNING: CPU: 1 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 54.818353][ T11] Modules linked in: [ 54.822307][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00800-ge69761483361 #0 [ 54.833603][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.845683][ T11] Workqueue: netns cleanup_net [ 54.850506][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 54.857272][ T11] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 54.878848][ T3624] can: request_module (can-proto-0) failed. [ 54.887304][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 54.893500][ T11] RAX: 0000000000000000 RBX: ffff88806f34a010 RCX: 0000000000000000 [ 54.903370][ T11] RDX: ffff888011a6ba80 RSI: ffffffff87717606 RDI: 0000000000000005 [ 54.911816][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 54.921757][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806f34a010 [ 54.930118][ T11] R13: ffff88806f34a008 R14: ffff88806f349000 R15: ffff88806f34a000 [ 54.940706][ T11] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 54.950119][ T3624] can: request_module (can-proto-0) failed. [ 54.958719][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.966873][ T11] CR2: 000055a6990f4068 CR3: 000000007f922000 CR4: 00000000003506e0 [ 54.977684][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.986171][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.994314][ T11] Call Trace: [ 54.999410][ T11] [ 55.002452][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 55.008087][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 55.014384][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 55.021295][ T11] devlink_reload+0x1c2/0x6b0 [ 55.026537][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.034243][ T11] ? xa_find+0x330/0x330 [ 55.040334][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.049065][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.054578][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.062958][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.068941][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.077751][ T11] cleanup_net+0x451/0xb10 [ 55.082212][ T11] ? unregister_pernet_device+0x70/0x70 [ 55.088287][ T11] process_one_work+0x9bf/0x1710 [ 55.093284][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.100494][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 55.109194][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 55.114274][ T11] worker_thread+0x665/0x1080 [ 55.137909][ T11] ? process_one_work+0x1710/0x1710 [ 55.145556][ T11] kthread+0x2e4/0x3a0 [ 55.149670][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 55.161375][ T11] ret_from_fork+0x1f/0x30 [ 55.166261][ T11] [ 55.169306][ T11] Kernel panic - not syncing: panic_on_warn set ... [ 55.175909][ T11] CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00800-ge69761483361 #0 [ 55.185900][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.195988][ T11] Workqueue: netns cleanup_net [ 55.200788][ T11] Call Trace: [ 55.204070][ T11] [ 55.207016][ T11] dump_stack_lvl+0xcd/0x134 [ 55.211630][ T11] panic+0x2c8/0x622 [ 55.215544][ T11] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.221556][ T11] ? __warn.cold+0x24b/0x350 [ 55.226254][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.231646][ T11] __warn.cold+0x25c/0x350 [ 55.236078][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.241466][ T11] report_bug+0x1bc/0x210 [ 55.245829][ T11] handle_bug+0x3c/0x70 [ 55.250000][ T11] exc_invalid_op+0x14/0x40 [ 55.254519][ T11] asm_exc_invalid_op+0x16/0x20 [ 55.259385][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.265388][ T11] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 55.285031][ T11] RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 [ 55.291133][ T11] RAX: 0000000000000000 RBX: ffff88806f34a010 RCX: 0000000000000000 [ 55.299119][ T11] RDX: ffff888011a6ba80 RSI: ffffffff87717606 RDI: 0000000000000005 [ 55.307099][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.315081][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806f34a010 [ 55.323073][ T11] R13: ffff88806f34a008 R14: ffff88806f349000 R15: ffff88806f34a000 [ 55.331180][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.336594][ T11] ? devl_port_unregister+0x2f6/0x390 [ 55.341996][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 55.347224][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 55.352707][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 55.357751][ T11] devlink_reload+0x1c2/0x6b0 [ 55.362491][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.369456][ T11] ? xa_find+0x330/0x330 [ 55.373743][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.380186][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.385669][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.392127][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.397710][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.404166][ T11] cleanup_net+0x451/0xb10 [ 55.408619][ T11] ? unregister_pernet_device+0x70/0x70 [ 55.414289][ T11] process_one_work+0x9bf/0x1710 [ 55.419351][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.424746][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 55.429697][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 55.434775][ T11] worker_thread+0x665/0x1080 [ 55.439489][ T11] ? process_one_work+0x1710/0x1710 [ 55.444798][ T11] kthread+0x2e4/0x3a0 [ 55.448886][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 55.454542][ T11] ret_from_fork+0x1f/0x30 [ 55.459101][ T11] [ 55.462183][ T11] Kernel Offset: disabled [ 55.466608][ T11] Rebooting in 86400 seconds..