DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36 forked to background, child pid 3180 [ 31.517515][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.528497][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. 2022/11/05 05:36:24 fuzzer started 2022/11/05 05:36:24 connecting to host at 10.128.0.169:38791 2022/11/05 05:36:24 checking machine... 2022/11/05 05:36:24 checking revisions... 2022/11/05 05:36:25 testing simple program... syzkaller login: [ 48.728191][ T3608] cgroup: Unknown subsys name 'net' [ 48.843727][ T3608] cgroup: Unknown subsys name 'rlimit' [ 50.073509][ T3611] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.083066][ T3611] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.091464][ T3611] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.100528][ T3611] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.109399][ T3611] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.117262][ T3611] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.126184][ T3610] Bluetooth: hci0: HCI_REQ-0x0c1a [ 50.246124][ T3610] chnl_net:caif_netlink_parms(): no params data found [ 50.296084][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.304359][ T3610] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.313382][ T3610] device bridge_slave_0 entered promiscuous mode [ 50.327125][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.334775][ T3610] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.343615][ T3610] device bridge_slave_1 entered promiscuous mode [ 50.365513][ T3610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.379601][ T3610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.404416][ T3610] team0: Port device team_slave_0 added [ 50.412013][ T3610] team0: Port device team_slave_1 added [ 50.433258][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.440385][ T3610] 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. [ 50.466523][ T3610] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.479373][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.486587][ T3610] 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. [ 50.513521][ T3610] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.544371][ T3610] device hsr_slave_0 entered promiscuous mode [ 50.551770][ T3610] device hsr_slave_1 entered promiscuous mode [ 50.644696][ T3610] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.657112][ T3610] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.667432][ T3610] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.676548][ T3610] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.700418][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.707977][ T3610] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.716196][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.723353][ T3610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.774641][ T3610] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.788855][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.799348][ T146] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.808706][ T146] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.816588][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.831181][ T3610] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.842170][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.851231][ T146] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.858443][ T146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.877045][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.886923][ T146] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.894807][ T146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.914862][ T3610] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.926596][ T3610] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.940861][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.949864][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.959677][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.968528][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.977031][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.985334][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.089054][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.096995][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.109180][ T3610] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.136857][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.148167][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.156929][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.164706][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.174330][ T3610] device veth0_vlan entered promiscuous mode [ 51.187515][ T3610] device veth1_vlan entered promiscuous mode [ 51.211546][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.220065][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.228938][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.240924][ T3610] device veth0_macvtap entered promiscuous mode [ 51.251714][ T3610] device veth1_macvtap entered promiscuous mode [ 51.270331][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.278930][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.288506][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.301517][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.311076][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.319842][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.330852][ T3610] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.344841][ T3610] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.353672][ T3610] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.363280][ T3610] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.431760][ T62] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.442202][ T62] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.454091][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.471317][ T33] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.480117][ T33] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.489253][ T146] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2022/11/05 05:36:28 building call list... [ 51.769154][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 54.539453][ T9] ------------[ cut here ]------------ [ 54.558549][ T9] WARNING: CPU: 1 PID: 9 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 54.585421][ T9] Modules linked in: [ 54.589389][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-rc3-syzkaller-00754-g8e0aa1ff44ca #0 [ 54.625275][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.645200][ T9] Workqueue: netns cleanup_net [ 54.650044][ T9] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 54.665219][ T9] 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 [ 54.705189][ T9] RSP: 0018:ffffc900000e7a08 EFLAGS: 00010293 [ 54.711751][ T9] RAX: 0000000000000000 RBX: ffff888076314010 RCX: 0000000000000000 [ 54.735277][ T9] RDX: ffff88813fe78000 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 54.743345][ T9] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 54.765181][ T9] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888076314010 [ 54.773663][ T9] R13: ffff888076314008 R14: ffff888076313000 R15: ffff888076314000 [ 54.805231][ T9] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 54.825273][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.832011][ T9] CR2: 00005627c2ea9068 CR3: 000000007e6d5000 CR4: 00000000003506e0 [ 54.855460][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.863523][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.885307][ T9] Call Trace: [ 54.888648][ T9] [ 54.891618][ T9] __nsim_dev_port_del+0x1bb/0x240 [ 54.915196][ T9] nsim_dev_reload_destroy+0x171/0x510 [ 54.920772][ T9] nsim_dev_reload_down+0x6b/0xd0 [ 54.935190][ T9] devlink_reload+0x1c2/0x6b0 [ 54.940072][ T9] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 54.965205][ T9] ? xa_find+0x330/0x330 [ 54.969524][ T9] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 54.985293][ T9] devlink_pernet_pre_exit+0x104/0x1c0 [ 54.990850][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.005213][ T9] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.010914][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.029577][ T9] cleanup_net+0x451/0xb10 [ 55.035710][ T9] ? unregister_pernet_device+0x70/0x70 [ 55.041362][ T9] process_one_work+0x9bf/0x1710 [ 55.060613][ T9] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.073927][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 55.078979][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 55.092025][ T9] worker_thread+0x665/0x1080 [ 55.096850][ T9] ? process_one_work+0x1710/0x1710 [ 55.115300][ T9] kthread+0x2e4/0x3a0 [ 55.120521][ T9] ? kthread_complete_and_exit+0x40/0x40 [ 55.135206][ T9] ret_from_fork+0x1f/0x30 [ 55.139723][ T9] [ 55.142761][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 55.149360][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-rc3-syzkaller-00754-g8e0aa1ff44ca #0 [ 55.159346][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.169612][ T9] Workqueue: netns cleanup_net [ 55.174859][ T9] Call Trace: [ 55.178149][ T9] [ 55.181086][ T9] dump_stack_lvl+0xcd/0x134 [ 55.185747][ T9] panic+0x2c8/0x622 [ 55.189724][ T9] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.196038][ T9] ? __warn.cold+0x24b/0x350 [ 55.200770][ T9] ? devl_port_unregister+0x2f6/0x390 [ 55.206264][ T9] __warn.cold+0x25c/0x350 [ 55.210785][ T9] ? devl_port_unregister+0x2f6/0x390 [ 55.216176][ T9] report_bug+0x1bc/0x210 [ 55.220563][ T9] handle_bug+0x3c/0x70 [ 55.224745][ T9] exc_invalid_op+0x14/0x40 [ 55.229445][ T9] asm_exc_invalid_op+0x16/0x20 [ 55.234333][ T9] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.240423][ T9] 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 [ 55.260160][ T9] RSP: 0018:ffffc900000e7a08 EFLAGS: 00010293 [ 55.266338][ T9] RAX: 0000000000000000 RBX: ffff888076314010 RCX: 0000000000000000 [ 55.274373][ T9] RDX: ffff88813fe78000 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 55.282470][ T9] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.290469][ T9] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888076314010 [ 55.298515][ T9] R13: ffff888076314008 R14: ffff888076313000 R15: ffff888076314000 [ 55.306604][ T9] ? devl_port_unregister+0x2f6/0x390 [ 55.312034][ T9] ? devl_port_unregister+0x2f6/0x390 [ 55.317451][ T9] __nsim_dev_port_del+0x1bb/0x240 [ 55.322613][ T9] nsim_dev_reload_destroy+0x171/0x510 [ 55.328293][ T9] nsim_dev_reload_down+0x6b/0xd0 [ 55.333367][ T9] devlink_reload+0x1c2/0x6b0 [ 55.338094][ T9] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.345073][ T9] ? xa_find+0x330/0x330 [ 55.349339][ T9] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.355809][ T9] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.361307][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.367765][ T9] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.373359][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.380089][ T9] cleanup_net+0x451/0xb10 [ 55.384543][ T9] ? unregister_pernet_device+0x70/0x70 [ 55.390242][ T9] process_one_work+0x9bf/0x1710 [ 55.395472][ T9] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.401668][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 55.406795][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 55.411861][ T9] worker_thread+0x665/0x1080 [ 55.416768][ T9] ? process_one_work+0x1710/0x1710 [ 55.422011][ T9] kthread+0x2e4/0x3a0 [ 55.426108][ T9] ? kthread_complete_and_exit+0x40/0x40 [ 55.431797][ T9] ret_from_fork+0x1f/0x30 [ 55.436263][ T9] [ 55.439373][ T9] Kernel Offset: disabled [ 55.443904][ T9] Rebooting in 86400 seconds..