DUID 00:04:44:5a:cc:c9:49:7a:03:7b:0e:36:9f:1a:c7:8d:92:7d forked to background, child pid 3181 [ 29.187690][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.198018][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. 2022/11/05 06:32:56 fuzzer started 2022/11/05 06:32:56 connecting to host at 10.128.0.169:44401 2022/11/05 06:32:56 checking machine... 2022/11/05 06:32:56 checking revisions... 2022/11/05 06:32:56 testing simple program... syzkaller login: [ 50.518369][ T3609] cgroup: Unknown subsys name 'net' [ 50.658511][ T3609] cgroup: Unknown subsys name 'rlimit' [ 51.948960][ T3612] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.957016][ T3612] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.965203][ T3615] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.973772][ T3615] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.981768][ T3615] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.989474][ T3615] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.998515][ T3611] Bluetooth: hci0: HCI_REQ-0x0c1a [ 52.109979][ T3611] chnl_net:caif_netlink_parms(): no params data found [ 52.155252][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.163483][ T3611] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.172096][ T3611] device bridge_slave_0 entered promiscuous mode [ 52.181578][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.188686][ T3611] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.196640][ T3611] device bridge_slave_1 entered promiscuous mode [ 52.220115][ T3611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.232544][ T3611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.255354][ T3611] team0: Port device team_slave_0 added [ 52.263663][ T3611] team0: Port device team_slave_1 added [ 52.281363][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.288321][ T3611] 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. [ 52.314374][ T3611] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.326929][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.333949][ T3611] 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. [ 52.359888][ T3611] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.389835][ T3611] device hsr_slave_0 entered promiscuous mode [ 52.396749][ T3611] device hsr_slave_1 entered promiscuous mode [ 52.479185][ T3611] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.489620][ T3611] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.499092][ T3611] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.507994][ T3611] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.530026][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.537385][ T3611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.545434][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.552540][ T3611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.598518][ T3611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.615027][ T3611] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.623620][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.634300][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.642582][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.650669][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.665714][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.674808][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.681950][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.693665][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.702614][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.709683][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.733059][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.741949][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.750267][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.758845][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.773354][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.783087][ T3611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.880855][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.888290][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.897734][ T3611] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.922502][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.937846][ T3611] device veth0_vlan entered promiscuous mode [ 52.945985][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.958242][ T3611] device veth1_vlan entered promiscuous mode [ 52.965987][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.974731][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.982712][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.002408][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.011494][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.022445][ T3611] device veth0_macvtap entered promiscuous mode [ 53.034033][ T3611] device veth1_macvtap entered promiscuous mode [ 53.050267][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.058173][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.069495][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.081428][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.091588][ T3611] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.101822][ T3611] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.111596][ T3611] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.120370][ T3611] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.131907][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.190289][ T1032] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.200861][ T1032] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.213987][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.229730][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.238365][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.248507][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/05 06:32:59 building call list... executing program [ 53.549552][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 56.604261][ T9] ------------[ cut here ]------------ [ 56.609959][ T9] WARNING: CPU: 1 PID: 9 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 56.636505][ T9] Modules linked in: [ 56.650760][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-rc3-syzkaller-00761-g63d9e1291484 #0 [ 56.670774][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.690380][ T9] Workqueue: netns cleanup_net [ 56.695718][ T9] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 56.720409][ 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 [ 56.769071][ T9] RSP: 0018:ffffc900000e7a08 EFLAGS: 00010293 [ 56.781034][ T9] RAX: 0000000000000000 RBX: ffff88806d81d010 RCX: 0000000000000000 [ 56.789147][ T9] RDX: ffff888011a68000 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 56.814027][ T9] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 56.830514][ T9] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806d81d010 [ 56.838656][ T9] R13: ffff88806d81d008 R14: ffff88806d81c000 R15: ffff88806d81d000 [ 56.858335][ T9] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 56.868078][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.875399][ T9] CR2: 000000c0004d7000 CR3: 000000007d2be000 CR4: 00000000003506e0 [ 56.884494][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.892886][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.901624][ T9] Call Trace: [ 56.904954][ T9] [ 56.907913][ T9] __nsim_dev_port_del+0x1bb/0x240 [ 56.913625][ T9] nsim_dev_reload_destroy+0x171/0x510 [ 56.919143][ T9] nsim_dev_reload_down+0x6b/0xd0 [ 56.925141][ T9] devlink_reload+0x1c2/0x6b0 [ 56.929943][ T9] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 56.937124][ T3602] can: request_module (can-proto-0) failed. [ 56.946113][ T9] ? xa_find+0x330/0x330 [ 56.950798][ T9] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 56.957276][ T9] devlink_pernet_pre_exit+0x104/0x1c0 [ 56.963836][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.970656][ T9] ? cttimeout_net_pre_exit+0x109/0x500 [ 56.976272][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.983304][ T9] cleanup_net+0x451/0xb10 [ 56.987779][ T9] ? unregister_pernet_device+0x70/0x70 [ 56.993891][ T9] process_one_work+0x9bf/0x1710 [ 56.999270][ T9] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 57.006428][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 57.011614][ T3602] can: request_module (can-proto-0) failed. [ 57.018288][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 57.024108][ T9] worker_thread+0x665/0x1080 [ 57.028857][ T9] ? process_one_work+0x1710/0x1710 [ 57.035117][ T9] kthread+0x2e4/0x3a0 [ 57.039235][ T9] ? kthread_complete_and_exit+0x40/0x40 [ 57.046908][ T9] ret_from_fork+0x1f/0x30 [ 57.051933][ T9] [ 57.054980][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 57.061679][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-rc3-syzkaller-00761-g63d9e1291484 #0 [ 57.071689][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 57.081770][ T9] Workqueue: netns cleanup_net [ 57.086581][ T9] Call Trace: [ 57.089875][ T9] [ 57.092820][ T9] dump_stack_lvl+0xcd/0x134 [ 57.097454][ T9] panic+0x2c8/0x622 [ 57.101382][ T9] ? panic_print_sys_info.part.0+0x110/0x110 [ 57.107413][ T9] ? __warn.cold+0x24b/0x350 [ 57.112041][ T9] ? devl_port_unregister+0x2f6/0x390 [ 57.117447][ T9] __warn.cold+0x25c/0x350 [ 57.121911][ T9] ? devl_port_unregister+0x2f6/0x390 [ 57.127313][ T9] report_bug+0x1bc/0x210 [ 57.131694][ T9] handle_bug+0x3c/0x70 [ 57.135964][ T9] exc_invalid_op+0x14/0x40 [ 57.140498][ T9] asm_exc_invalid_op+0x16/0x20 [ 57.145375][ T9] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 57.151388][ 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 [ 57.171719][ T9] RSP: 0018:ffffc900000e7a08 EFLAGS: 00010293 [ 57.177810][ T9] RAX: 0000000000000000 RBX: ffff88806d81d010 RCX: 0000000000000000 [ 57.185864][ T9] RDX: ffff888011a68000 RSI: ffffffff877175d6 RDI: 0000000000000005 [ 57.193857][ T9] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 57.201847][ T9] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88806d81d010 [ 57.209859][ T9] R13: ffff88806d81d008 R14: ffff88806d81c000 R15: ffff88806d81d000 [ 57.210633][ T3602] can: request_module (can-proto-0) failed. [ 57.223760][ T9] ? devl_port_unregister+0x2f6/0x390 [ 57.229176][ T9] ? devl_port_unregister+0x2f6/0x390 [ 57.234585][ T9] __nsim_dev_port_del+0x1bb/0x240 [ 57.239731][ T9] nsim_dev_reload_destroy+0x171/0x510 [ 57.245243][ T9] nsim_dev_reload_down+0x6b/0xd0 [ 57.250406][ T9] devlink_reload+0x1c2/0x6b0 [ 57.255131][ T9] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 57.262025][ T9] ? xa_find+0x330/0x330 [ 57.266304][ T9] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 57.272847][ T9] devlink_pernet_pre_exit+0x104/0x1c0 [ 57.278342][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.284803][ T9] ? cttimeout_net_pre_exit+0x109/0x500 [ 57.290393][ T9] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 57.296852][ T9] cleanup_net+0x451/0xb10 [ 57.301355][ T9] ? unregister_pernet_device+0x70/0x70 [ 57.306950][ T9] process_one_work+0x9bf/0x1710 [ 57.311938][ T9] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 57.317441][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 57.322417][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 57.327491][ T9] worker_thread+0x665/0x1080 [ 57.333347][ T9] ? process_one_work+0x1710/0x1710 [ 57.338676][ T9] kthread+0x2e4/0x3a0 [ 57.342770][ T9] ? kthread_complete_and_exit+0x40/0x40 [ 57.348522][ T9] ret_from_fork+0x1f/0x30 [ 57.353079][ T9] [ 57.356368][ T9] Kernel Offset: disabled [ 57.360792][ T9] Rebooting in 86400 seconds..