forked to background, child pid 3180 no interfaces have a carrier [ 26.815269][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.826343][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.103' (ECDSA) to the list of known hosts. 2022/11/09 06:47:06 fuzzer started 2022/11/09 06:47:06 connecting to host at 10.128.0.169:33095 2022/11/09 06:47:06 checking machine... 2022/11/09 06:47:06 checking revisions... 2022/11/09 06:47:07 testing simple program... syzkaller login: [ 42.336895][ T3602] cgroup: Unknown subsys name 'net' [ 42.438970][ T3602] cgroup: Unknown subsys name 'rlimit' [ 42.645333][ T3608] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.653905][ T3608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.661623][ T3608] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.669889][ T3608] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.677791][ T3608] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.685705][ T3608] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.694793][ T3604] Bluetooth: hci0: HCI_REQ-0x0c1a [ 42.789056][ T3604] chnl_net:caif_netlink_parms(): no params data found [ 42.828191][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.836508][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.844556][ T3604] device bridge_slave_0 entered promiscuous mode [ 42.853467][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.860625][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.869247][ T3604] device bridge_slave_1 entered promiscuous mode [ 42.888138][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.899722][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.921025][ T3604] team0: Port device team_slave_0 added [ 42.929330][ T3604] team0: Port device team_slave_1 added [ 42.945272][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.952221][ T3604] 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. [ 42.979392][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.991923][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.999636][ T3604] 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. [ 43.027010][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.055082][ T3604] device hsr_slave_0 entered promiscuous mode [ 43.061978][ T3604] device hsr_slave_1 entered promiscuous mode [ 43.135102][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.145884][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.155127][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.164231][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.183449][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.190823][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.198706][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.205782][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.244949][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.259250][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.268545][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.277680][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.285661][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.298039][ T3604] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.310518][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.319664][ T3614] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.326798][ T3614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.337589][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.346583][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.353718][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.371382][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.380197][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.392289][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.405238][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.417036][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.428170][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.523273][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.530936][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.541345][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.557065][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.575024][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.584508][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.592072][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.602918][ T3604] device veth0_vlan entered promiscuous mode [ 43.614223][ T3604] device veth1_vlan entered promiscuous mode [ 43.631680][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.640116][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.648510][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.659567][ T3604] device veth0_macvtap entered promiscuous mode [ 43.670927][ T3604] device veth1_macvtap entered promiscuous mode [ 43.686237][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.695099][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.705401][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.715597][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.724355][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.735918][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.745473][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.754552][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.765014][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.820446][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.830532][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.845065][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.860744][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.869322][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.879029][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/09 06:47:08 building call list... [ 44.100872][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 46.846445][ T3593] can: request_module (can-proto-0) failed. [ 46.896493][ T3593] can: request_module (can-proto-0) failed. [ 46.937406][ T3593] can: request_module (can-proto-0) failed. [ 47.136077][ T41] ------------[ cut here ]------------ [ 47.150939][ T41] WARNING: CPU: 1 PID: 41 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 47.169445][ T41] Modules linked in: [ 47.173746][ T41] CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 47.185458][ T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.196852][ T41] Workqueue: netns cleanup_net [ 47.201670][ T41] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 47.209450][ T41] Code: e8 ff 37 0b fa 85 ed 0f 85 7a fd ff ff e8 22 3b 0b fa 0f 0b e9 6e fd ff ff e8 16 3b 0b fa 0f 0b e9 53 ff ff ff e8 0a 3b 0b fa <0f> 0b e9 94 fd ff ff e8 6e ad 57 fa e9 78 ff ff ff e8 34 ad 57 fa [ 47.233108][ T41] RSP: 0018:ffffc90000b27a08 EFLAGS: 00010293 [ 47.239210][ T41] RAX: 0000000000000000 RBX: ffff88807614f810 RCX: 0000000000000000 [ 47.249237][ T41] RDX: ffff888011bf8000 RSI: ffffffff87717716 RDI: 0000000000000005 [ 47.257575][ T41] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 47.267154][ T41] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807614f810 [ 47.275659][ T41] R13: ffff88807614f808 R14: ffff88807614e800 R15: ffff88807614f800 [ 47.285371][ T41] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 47.295211][ T41] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.301820][ T41] CR2: 000056242a1f6068 CR3: 0000000016b13000 CR4: 00000000003506e0 [ 47.311948][ T41] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.324643][ T41] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.333205][ T41] Call Trace: [ 47.336559][ T41] [ 47.339525][ T41] __nsim_dev_port_del+0x1bb/0x240 [ 47.347115][ T41] nsim_dev_reload_destroy+0x171/0x510 [ 47.355572][ T41] nsim_dev_reload_down+0x6b/0xd0 [ 47.360642][ T41] devlink_reload+0x1c2/0x6b0 [ 47.373245][ T41] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 47.387923][ T41] ? xa_find+0x330/0x330 [ 47.402325][ T41] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 47.412548][ T41] devlink_pernet_pre_exit+0x104/0x1c0 [ 47.426963][ T41] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.436510][ T41] ? cttimeout_net_pre_exit+0x109/0x500 [ 47.442599][ T41] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.451023][ T41] cleanup_net+0x451/0xb10 [ 47.455873][ T41] ? unregister_pernet_device+0x70/0x70 [ 47.461661][ T41] process_one_work+0x9bf/0x1710 [ 47.468464][ T41] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 47.474924][ T41] ? rwlock_bug.part.0+0x90/0x90 [ 47.480041][ T41] ? _raw_spin_lock_irq+0x41/0x50 [ 47.487007][ T41] worker_thread+0x665/0x1080 [ 47.493180][ T41] ? process_one_work+0x1710/0x1710 [ 47.498491][ T41] kthread+0x2e4/0x3a0 [ 47.502728][ T41] ? kthread_complete_and_exit+0x40/0x40 [ 47.510375][ T41] ret_from_fork+0x1f/0x30 [ 47.515224][ T41] [ 47.519251][ T41] Kernel panic - not syncing: panic_on_warn set ... [ 47.525854][ T41] CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00823-g380f9acdf747 #0 [ 47.535858][ T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.546017][ T41] Workqueue: netns cleanup_net [ 47.550822][ T41] Call Trace: [ 47.554111][ T41] [ 47.557050][ T41] dump_stack_lvl+0xcd/0x134 [ 47.561654][ T41] panic+0x2c8/0x622 [ 47.565571][ T41] ? panic_print_sys_info.part.0+0x110/0x110 [ 47.571597][ T41] ? __warn.cold+0x24b/0x350 [ 47.576233][ T41] ? devl_port_unregister+0x2f6/0x390 [ 47.581640][ T41] __warn.cold+0x25c/0x350 [ 47.586081][ T41] ? devl_port_unregister+0x2f6/0x390 [ 47.591484][ T41] report_bug+0x1bc/0x210 [ 47.595861][ T41] handle_bug+0x3c/0x70 [ 47.600032][ T41] exc_invalid_op+0x14/0x40 [ 47.604554][ T41] asm_exc_invalid_op+0x16/0x20 [ 47.609419][ T41] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 47.615417][ T41] Code: e8 ff 37 0b fa 85 ed 0f 85 7a fd ff ff e8 22 3b 0b fa 0f 0b e9 6e fd ff ff e8 16 3b 0b fa 0f 0b e9 53 ff ff ff e8 0a 3b 0b fa <0f> 0b e9 94 fd ff ff e8 6e ad 57 fa e9 78 ff ff ff e8 34 ad 57 fa [ 47.635071][ T41] RSP: 0018:ffffc90000b27a08 EFLAGS: 00010293 [ 47.641160][ T41] RAX: 0000000000000000 RBX: ffff88807614f810 RCX: 0000000000000000 [ 47.649157][ T41] RDX: ffff888011bf8000 RSI: ffffffff87717716 RDI: 0000000000000005 [ 47.657159][ T41] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 47.665141][ T41] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807614f810 [ 47.673154][ T41] R13: ffff88807614f808 R14: ffff88807614e800 R15: ffff88807614f800 [ 47.681170][ T41] ? devl_port_unregister+0x2f6/0x390 [ 47.686583][ T41] ? devl_port_unregister+0x2f6/0x390 [ 47.691980][ T41] __nsim_dev_port_del+0x1bb/0x240 [ 47.697136][ T41] nsim_dev_reload_destroy+0x171/0x510 [ 47.702732][ T41] nsim_dev_reload_down+0x6b/0xd0 [ 47.707795][ T41] devlink_reload+0x1c2/0x6b0 [ 47.712511][ T41] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 47.719395][ T41] ? xa_find+0x330/0x330 [ 47.723667][ T41] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 47.730124][ T41] devlink_pernet_pre_exit+0x104/0x1c0 [ 47.735609][ T41] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.742082][ T41] ? cttimeout_net_pre_exit+0x109/0x500 [ 47.747667][ T41] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 47.754153][ T41] cleanup_net+0x451/0xb10 [ 47.758600][ T41] ? unregister_pernet_device+0x70/0x70 [ 47.764215][ T41] process_one_work+0x9bf/0x1710 [ 47.769194][ T41] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 47.774599][ T41] ? rwlock_bug.part.0+0x90/0x90 [ 47.779553][ T41] ? _raw_spin_lock_irq+0x41/0x50 [ 47.784701][ T41] worker_thread+0x665/0x1080 [ 47.789416][ T41] ? process_one_work+0x1710/0x1710 [ 47.794640][ T41] kthread+0x2e4/0x3a0 [ 47.798818][ T41] ? kthread_complete_and_exit+0x40/0x40 [ 47.804477][ T41] ret_from_fork+0x1f/0x30 [ 47.808957][ T41] [ 47.812166][ T41] Kernel Offset: disabled [ 47.816578][ T41] Rebooting in 86400 seconds..