DUID 00:04:44:5a:cc:c9:49:7a:03:7b:0e:36:9f:1a:c7:8d:92:7d forked to background, child pid 3180 [ 29.200427][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.210305][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.42' (ECDSA) to the list of known hosts. 2022/11/07 10:57:27 fuzzer started 2022/11/07 10:57:28 connecting to host at 10.128.0.169:39907 2022/11/07 10:57:28 checking machine... 2022/11/07 10:57:28 checking revisions... 2022/11/07 10:57:28 testing simple program... syzkaller login: [ 52.622953][ T3601] cgroup: Unknown subsys name 'net' [ 52.753651][ T3601] cgroup: Unknown subsys name 'rlimit' [ 54.024575][ T3607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.032662][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.040845][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.048805][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.056528][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.064085][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.072951][ T3603] Bluetooth: hci0: HCI_REQ-0x0c1a [ 54.177069][ T3603] chnl_net:caif_netlink_parms(): no params data found [ 54.220887][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.229115][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.237214][ T3603] device bridge_slave_0 entered promiscuous mode [ 54.246303][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.253931][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.261868][ T3603] device bridge_slave_1 entered promiscuous mode [ 54.282194][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.294057][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.318220][ T3603] team0: Port device team_slave_0 added [ 54.327313][ T3603] team0: Port device team_slave_1 added [ 54.345020][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.352838][ 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. [ 54.379472][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.392213][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.400075][ 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. [ 54.426410][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.456476][ T3603] device hsr_slave_0 entered promiscuous mode [ 54.463340][ T3603] device hsr_slave_1 entered promiscuous mode [ 54.548111][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.558698][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.568666][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.577794][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.599172][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.606689][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.614471][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.621625][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.668548][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.681210][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.692240][ T143] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.701605][ T143] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.710191][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.723006][ T3603] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.734135][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.742889][ T143] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.750021][ T143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.762771][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.772203][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.779338][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.798970][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.815809][ T3603] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.826782][ T3603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.839759][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.848223][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.857030][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.865766][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.874693][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.973666][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.982245][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.990004][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.006787][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.025696][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.034098][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.043075][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.053799][ T3603] device veth0_vlan entered promiscuous mode [ 55.064690][ T3603] device veth1_vlan entered promiscuous mode [ 55.084331][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.092654][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.101072][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.111994][ T3603] device veth0_macvtap entered promiscuous mode [ 55.121343][ T3603] device veth1_macvtap entered promiscuous mode [ 55.138600][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.146142][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.156395][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.168911][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.176307][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.185224][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.196520][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.206713][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.215581][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.224816][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.283811][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.292355][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.310338][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.323058][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.332230][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.341325][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/07 10:57:31 building call list... executing program [ 55.623192][ T38] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.161889][ T38] ------------[ cut here ]------------ [ 58.178041][ T38] WARNING: CPU: 0 PID: 38 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 58.198732][ T38] Modules linked in: [ 58.202695][ T38] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00765-ga352a2c5d2a5 #0 [ 58.226625][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.257938][ T38] Workqueue: netns cleanup_net [ 58.263048][ T38] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.277995][ T38] 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 [ 58.328072][ T38] RSP: 0018:ffffc90000af7a08 EFLAGS: 00010293 [ 58.350308][ T38] RAX: 0000000000000000 RBX: ffff888022b82810 RCX: 0000000000000000 [ 58.366684][ T38] RDX: ffff888017863a80 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 58.385180][ T38] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.405518][ T38] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888022b82810 [ 58.414230][ T38] R13: ffff888022b82808 R14: ffff888022b81800 R15: ffff888022b82800 executing program [ 58.447961][ T38] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 58.457482][ T38] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.464198][ T38] CR2: 00007fd508684e80 CR3: 000000001daa3000 CR4: 00000000003506e0 [ 58.472985][ T38] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.481661][ T38] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.490560][ T38] Call Trace: [ 58.493937][ T38] [ 58.497446][ T38] __nsim_dev_port_del+0x1bb/0x240 [ 58.502756][ T38] nsim_dev_reload_destroy+0x171/0x510 [ 58.508726][ T38] nsim_dev_reload_down+0x6b/0xd0 [ 58.513891][ T38] devlink_reload+0x1c2/0x6b0 [ 58.519346][ T38] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.526410][ T38] ? xa_find+0x330/0x330 [ 58.531210][ T38] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.538190][ T38] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.543789][ T38] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.550734][ T38] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.565041][ T38] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.573101][ T38] cleanup_net+0x451/0xb10 [ 58.582312][ T38] ? unregister_pernet_device+0x70/0x70 [ 58.595705][ T38] process_one_work+0x9bf/0x1710 [ 58.609835][ T38] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.620739][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 58.626743][ T38] ? _raw_spin_lock_irq+0x41/0x50 [ 58.647069][ T38] worker_thread+0x665/0x1080 [ 58.652553][ T38] ? __kthread_parkme+0x15f/0x220 [ 58.666850][ T38] ? process_one_work+0x1710/0x1710 [ 58.672140][ T38] kthread+0x2e4/0x3a0 [ 58.676246][ T38] ? kthread_complete_and_exit+0x40/0x40 [ 58.697954][ T38] ret_from_fork+0x1f/0x30 [ 58.702564][ T38] [ 58.705605][ T38] Kernel panic - not syncing: panic_on_warn set ... [ 58.712208][ T38] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00765-ga352a2c5d2a5 #0 [ 58.722219][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.732309][ T38] Workqueue: netns cleanup_net [ 58.737219][ T38] Call Trace: [ 58.740527][ T38] [ 58.743563][ T38] dump_stack_lvl+0xcd/0x134 [ 58.748228][ T38] panic+0x2c8/0x622 [ 58.752158][ T38] ? panic_print_sys_info.part.0+0x110/0x110 [ 58.758189][ T38] ? __warn.cold+0x24b/0x350 [ 58.762816][ T38] ? devl_port_unregister+0x2f6/0x390 [ 58.768228][ T38] __warn.cold+0x25c/0x350 [ 58.772691][ T38] ? devl_port_unregister+0x2f6/0x390 [ 58.778115][ T38] report_bug+0x1bc/0x210 [ 58.782508][ T38] handle_bug+0x3c/0x70 [ 58.786716][ T38] exc_invalid_op+0x14/0x40 [ 58.791251][ T38] asm_exc_invalid_op+0x16/0x20 [ 58.796134][ T38] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.802249][ T38] 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 [ 58.822069][ T38] RSP: 0018:ffffc90000af7a08 EFLAGS: 00010293 [ 58.828170][ T38] RAX: 0000000000000000 RBX: ffff888022b82810 RCX: 0000000000000000 [ 58.836166][ T38] RDX: ffff888017863a80 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 58.844248][ T38] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.852250][ T38] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888022b82810 [ 58.860426][ T38] R13: ffff888022b82808 R14: ffff888022b81800 R15: ffff888022b82800 [ 58.868457][ T38] ? devl_port_unregister+0x2f6/0x390 [ 58.874146][ T38] ? devl_port_unregister+0x2f6/0x390 [ 58.879567][ T38] __nsim_dev_port_del+0x1bb/0x240 [ 58.884891][ T38] nsim_dev_reload_destroy+0x171/0x510 [ 58.890390][ T38] nsim_dev_reload_down+0x6b/0xd0 [ 58.895464][ T38] devlink_reload+0x1c2/0x6b0 [ 58.900191][ T38] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.907085][ T38] ? xa_find+0x330/0x330 [ 58.911363][ T38] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.917829][ T38] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.923327][ T38] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.929797][ T38] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.935456][ T38] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.941912][ T38] cleanup_net+0x451/0xb10 [ 58.946465][ T38] ? unregister_pernet_device+0x70/0x70 [ 58.952249][ T38] process_one_work+0x9bf/0x1710 [ 58.957245][ T38] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.962673][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 58.967645][ T38] ? _raw_spin_lock_irq+0x41/0x50 [ 58.972728][ T38] worker_thread+0x665/0x1080 [ 58.977471][ T38] ? __kthread_parkme+0x15f/0x220 [ 58.982533][ T38] ? process_one_work+0x1710/0x1710 [ 58.987776][ T38] kthread+0x2e4/0x3a0 [ 58.991968][ T38] ? kthread_complete_and_exit+0x40/0x40 [ 58.997732][ T38] ret_from_fork+0x1f/0x30 [ 59.002212][ T38] [ 59.005438][ T38] Kernel Offset: disabled [ 59.009857][ T38] Rebooting in 86400 seconds..