DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a forked to background, child pid 3180 [ 29.132518][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.145530][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. 2022/11/05 06:32:57 fuzzer started 2022/11/05 06:32:57 connecting to host at 10.128.0.169:45971 2022/11/05 06:32:57 checking machine... 2022/11/05 06:32:57 checking revisions... 2022/11/05 06:32:57 testing simple program... syzkaller login: [ 50.947304][ T3601] cgroup: Unknown subsys name 'net' [ 51.088250][ T3601] cgroup: Unknown subsys name 'rlimit' [ 52.307256][ T3605] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.315528][ T3605] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.323426][ T3605] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.331666][ T3605] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.339315][ T3605] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.346829][ T3605] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.355528][ T3603] Bluetooth: hci0: HCI_REQ-0x0c1a [ 52.458825][ T3603] chnl_net:caif_netlink_parms(): no params data found [ 52.502397][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.510109][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.518215][ T3603] device bridge_slave_0 entered promiscuous mode [ 52.527875][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.535249][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.543273][ T3603] device bridge_slave_1 entered promiscuous mode [ 52.564323][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.575295][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.599087][ T3603] team0: Port device team_slave_0 added [ 52.607893][ T3603] team0: Port device team_slave_1 added [ 52.625807][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.632965][ 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. [ 52.659183][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.672400][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.679360][ 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. [ 52.705635][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.735934][ T3603] device hsr_slave_0 entered promiscuous mode [ 52.742620][ T3603] device hsr_slave_1 entered promiscuous mode [ 52.826769][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.837056][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.846217][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.855581][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.876682][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.883919][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.892068][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.899346][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.947137][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.959689][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.969749][ T3614] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.978980][ T3614] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.987448][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.000509][ T3603] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.013039][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.021954][ T3614] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.029014][ T3614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.054332][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.062961][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.070015][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.078376][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.087697][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.096677][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.107263][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.119561][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.131284][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.229038][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.237477][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.246027][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.263726][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.283353][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.293129][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.300812][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.312020][ T3603] device veth0_vlan entered promiscuous mode [ 53.323589][ T3603] device veth1_vlan entered promiscuous mode [ 53.344374][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.352978][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.361893][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.372771][ T3603] device veth0_macvtap entered promiscuous mode [ 53.383553][ T3603] device veth1_macvtap entered promiscuous mode [ 53.400144][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.407795][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.418403][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.430635][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.439086][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.450460][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.460475][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.470308][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.479589][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.547030][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.564636][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.573953][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.583483][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.592224][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.601096][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/05 06:33:00 building call list... executing program [ 53.902667][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.394690][ T11] ------------[ cut here ]------------ [ 56.400485][ T11] WARNING: CPU: 0 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 56.432498][ T11] Modules linked in: [ 56.436456][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00761-g63d9e1291484 #0 [ 56.461096][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.481133][ T11] Workqueue: netns cleanup_net [ 56.491200][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 56.505220][ T11] 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 [ 56.552246][ T11] RSP: 0000:ffffc90000107a08 EFLAGS: 00010293 [ 56.568217][ T11] RAX: 0000000000000000 RBX: ffff888021756810 RCX: 0000000000000000 [ 56.592459][ T11] RDX: ffff888011a6ba80 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 56.614668][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 56.630547][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888021756810 [ 56.649730][ T11] R13: ffff888021756808 R14: ffff888021755800 R15: ffff888021756800 [ 56.669132][ T11] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 56.693987][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.707935][ T11] CR2: 0000559dd624a068 CR3: 000000007923d000 CR4: 00000000003506e0 [ 56.730235][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.750769][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.763513][ T11] Call Trace: [ 56.767454][ T11] [ 56.770428][ T11] __nsim_dev_port_del+0x1bb/0x240 executing program [ 56.775971][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 56.781942][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 56.787017][ T11] devlink_reload+0x1c2/0x6b0 [ 56.791983][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 56.798887][ T11] ? xa_find+0x330/0x330 [ 56.803408][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 56.809964][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 56.815714][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.822395][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 56.827985][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.843745][ T11] cleanup_net+0x451/0xb10 [ 56.848237][ T11] ? unregister_pernet_device+0x70/0x70 [ 56.857705][ T11] process_one_work+0x9bf/0x1710 [ 56.862966][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 56.868398][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 56.875507][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 56.880689][ T11] worker_thread+0x665/0x1080 [ 56.891492][ T11] ? process_one_work+0x1710/0x1710 [ 56.896845][ T11] kthread+0x2e4/0x3a0 [ 56.900943][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 56.922522][ T11] ret_from_fork+0x1f/0x30 [ 56.931811][ T11] [ 56.934965][ T11] Kernel panic - not syncing: panic_on_warn set ... [ 56.941566][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-syzkaller-00761-g63d9e1291484 #0 [ 56.951563][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.961636][ T11] Workqueue: netns cleanup_net [ 56.966439][ T11] Call Trace: [ 56.969748][ T11] [ 56.972696][ T11] dump_stack_lvl+0xcd/0x134 [ 56.977337][ T11] panic+0x2c8/0x622 [ 56.981262][ T11] ? panic_print_sys_info.part.0+0x110/0x110 [ 56.987370][ T11] ? __warn.cold+0x24b/0x350 [ 56.991985][ T11] ? devl_port_unregister+0x2f6/0x390 [ 56.997382][ T11] __warn.cold+0x25c/0x350 [ 57.001818][ T11] ? devl_port_unregister+0x2f6/0x390 [ 57.007213][ T11] report_bug+0x1bc/0x210 [ 57.011590][ T11] handle_bug+0x3c/0x70 [ 57.015771][ T11] exc_invalid_op+0x14/0x40 [ 57.020304][ T11] asm_exc_invalid_op+0x16/0x20 [ 57.025289][ T11] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 57.031300][ T11] 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 [ 57.050924][ T11] RSP: 0000:ffffc90000107a08 EFLAGS: 00010293 [ 57.057008][ T11] RAX: 0000000000000000 RBX: ffff888021756810 RCX: 0000000000000000 [ 57.065080][ T11] RDX: ffff888011a6ba80 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 57.073061][ T11] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 57.081130][ T11] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888021756810 [ 57.089109][ T11] R13: ffff888021756808 R14: ffff888021755800 R15: ffff888021756800 [ 57.097217][ T11] ? devl_port_unregister+0x2f6/0x390 [ 57.102621][ T11] ? devl_port_unregister+0x2f6/0x390 [ 57.108017][ T11] __nsim_dev_port_del+0x1bb/0x240 [ 57.113183][ T11] nsim_dev_reload_destroy+0x171/0x510 [ 57.118676][ T11] nsim_dev_reload_down+0x6b/0xd0 [ 57.123722][ T11] devlink_reload+0x1c2/0x6b0 [ 57.128431][ T11] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 57.135398][ T11] ? xa_find+0x330/0x330 [ 57.139665][ T11] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 57.146131][ T11] devlink_pernet_pre_exit+0x104/0x1c0 [ 57.151614][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.158058][ T11] ? cttimeout_net_pre_exit+0x109/0x500 [ 57.163628][ T11] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.170158][ T11] cleanup_net+0x451/0xb10 [ 57.174603][ T11] ? unregister_pernet_device+0x70/0x70 [ 57.180279][ T11] process_one_work+0x9bf/0x1710 [ 57.185338][ T11] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 57.190746][ T11] ? rwlock_bug.part.0+0x90/0x90 [ 57.195710][ T11] ? _raw_spin_lock_irq+0x41/0x50 [ 57.200773][ T11] worker_thread+0x665/0x1080 [ 57.205526][ T11] ? process_one_work+0x1710/0x1710 [ 57.210761][ T11] kthread+0x2e4/0x3a0 [ 57.214846][ T11] ? kthread_complete_and_exit+0x40/0x40 [ 57.220518][ T11] ret_from_fork+0x1f/0x30 [ 57.225032][ T11] [ 57.228144][ T11] Kernel Offset: disabled [ 57.232569][ T11] Rebooting in 86400 seconds..