forked to background, child pid 3182 no interfaces have a carrier [ 27.173193][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.189097][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. 2022/11/08 23:34:40 fuzzer started 2022/11/08 23:34:41 connecting to host at 10.128.0.169:40853 2022/11/08 23:34:41 checking machine... 2022/11/08 23:34:41 checking revisions... 2022/11/08 23:34:41 testing simple program... syzkaller login: [ 44.431981][ T3603] cgroup: Unknown subsys name 'net' [ 44.533147][ T3603] cgroup: Unknown subsys name 'rlimit' [ 44.751279][ T3606] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.759232][ T3606] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.766885][ T3606] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.775029][ T3606] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.782995][ T3606] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.790767][ T3606] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.799644][ T3605] Bluetooth: hci0: HCI_REQ-0x0c1a [ 44.897330][ T3605] chnl_net:caif_netlink_parms(): no params data found [ 44.938450][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.945822][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.954872][ T3605] device bridge_slave_0 entered promiscuous mode [ 44.963892][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.971651][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.979467][ T3605] device bridge_slave_1 entered promiscuous mode [ 44.999290][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.010534][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.032136][ T3605] team0: Port device team_slave_0 added [ 45.040465][ T3605] team0: Port device team_slave_1 added [ 45.056322][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.064071][ T3605] 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. [ 45.090233][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.102650][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.109681][ T3605] 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. [ 45.135973][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.163956][ T3605] device hsr_slave_0 entered promiscuous mode [ 45.171114][ T3605] device hsr_slave_1 entered promiscuous mode [ 45.245926][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.256249][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.266615][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.275228][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.296668][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.303911][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.311794][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.318987][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.362385][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.375534][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.385540][ T143] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.394559][ T143] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.403165][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.417775][ T3605] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.429453][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.438284][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.445444][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.456488][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.465190][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.472277][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.489961][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.499125][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.513012][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.521941][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.533571][ T3605] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.545190][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.554457][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.644639][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.652513][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.661523][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.677229][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.694806][ T3605] device veth0_vlan entered promiscuous mode [ 45.705105][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.713815][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.722336][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.734109][ T3605] device veth1_vlan entered promiscuous mode [ 45.742212][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.761509][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.769898][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.780892][ T3605] device veth0_macvtap entered promiscuous mode [ 45.789953][ T3605] device veth1_macvtap entered promiscuous mode [ 45.805732][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.814901][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.824658][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.835413][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.844862][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.857129][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.866212][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.877683][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.887238][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.948943][ T1211] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.966195][ T1211] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.982120][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.983702][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.992266][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.006369][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/08 23:34:42 building call list... [ 46.249270][ T46] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 49.181338][ T3596] can: request_module (can-proto-0) failed. [ 49.225192][ T3596] can: request_module (can-proto-0) failed. [ 49.263826][ T3596] can: request_module (can-proto-0) failed. [ 49.343199][ T46] ------------[ cut here ]------------ [ 49.356557][ T46] WARNING: CPU: 0 PID: 46 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 49.376741][ T46] Modules linked in: [ 49.380693][ T46] CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc3-syzkaller-00822-g8e18be7610ae #0 [ 49.411521][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 49.432238][ T46] Workqueue: netns cleanup_net [ 49.437291][ T46] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 49.453733][ T46] 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 [ 49.494090][ T46] RSP: 0018:ffffc90000b77a08 EFLAGS: 00010293 [ 49.500451][ T46] RAX: 0000000000000000 RBX: ffff88807f2a4810 RCX: 0000000000000000 [ 49.516558][ T46] RDX: ffff8880167257c0 RSI: ffffffff87717716 RDI: 0000000000000005 [ 49.534810][ T46] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 49.551396][ T46] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807f2a4810 [ 49.565886][ T46] R13: ffff88807f2a4808 R14: ffff88807f2a3800 R15: ffff88807f2a4800 [ 49.584806][ T46] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 49.605038][ T46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.617133][ T46] CR2: 000000c0000d2df0 CR3: 000000007f5c4000 CR4: 00000000003506f0 [ 49.635747][ T46] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.650316][ T46] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.668567][ T46] Call Trace: [ 49.671904][ T46] [ 49.676739][ T46] __nsim_dev_port_del+0x1bb/0x240 [ 49.689058][ T46] nsim_dev_reload_destroy+0x171/0x510 [ 49.701178][ T46] nsim_dev_reload_down+0x6b/0xd0 [ 49.714490][ T46] devlink_reload+0x1c2/0x6b0 [ 49.724615][ T46] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 49.736045][ T46] ? xa_find+0x330/0x330 [ 49.745900][ T46] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 49.762911][ T46] devlink_pernet_pre_exit+0x104/0x1c0 [ 49.773027][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 49.785232][ T46] ? cttimeout_net_pre_exit+0x109/0x500 [ 49.791025][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 49.810156][ T46] cleanup_net+0x451/0xb10 [ 49.819966][ T46] ? unregister_pernet_device+0x70/0x70 [ 49.832049][ T46] process_one_work+0x9bf/0x1710 [ 49.845474][ T46] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 49.856406][ T46] ? rwlock_bug.part.0+0x90/0x90 [ 49.869782][ T46] ? _raw_spin_lock_irq+0x41/0x50 [ 49.875245][ T46] worker_thread+0x665/0x1080 [ 49.885372][ T46] ? process_one_work+0x1710/0x1710 [ 49.897070][ T46] kthread+0x2e4/0x3a0 [ 49.905586][ T46] ? kthread_complete_and_exit+0x40/0x40 [ 49.916804][ T46] ret_from_fork+0x1f/0x30 [ 49.921310][ T46] [ 49.935965][ T46] Kernel panic - not syncing: panic_on_warn set ... [ 49.942627][ T46] CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc3-syzkaller-00822-g8e18be7610ae #0 [ 49.952632][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 49.962885][ T46] Workqueue: netns cleanup_net [ 49.967701][ T46] Call Trace: [ 49.970996][ T46] [ 49.973941][ T46] dump_stack_lvl+0xcd/0x134 [ 49.978563][ T46] panic+0x2c8/0x622 [ 49.982689][ T46] ? panic_print_sys_info.part.0+0x110/0x110 [ 49.988718][ T46] ? __warn.cold+0x24b/0x350 [ 49.993346][ T46] ? devl_port_unregister+0x2f6/0x390 [ 49.998749][ T46] __warn.cold+0x25c/0x350 [ 50.003257][ T46] ? devl_port_unregister+0x2f6/0x390 [ 50.008632][ T46] report_bug+0x1bc/0x210 [ 50.013062][ T46] handle_bug+0x3c/0x70 [ 50.017219][ T46] exc_invalid_op+0x14/0x40 [ 50.021721][ T46] asm_exc_invalid_op+0x16/0x20 [ 50.026585][ T46] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 50.032568][ T46] 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 [ 50.052264][ T46] RSP: 0018:ffffc90000b77a08 EFLAGS: 00010293 [ 50.058330][ T46] RAX: 0000000000000000 RBX: ffff88807f2a4810 RCX: 0000000000000000 [ 50.066319][ T46] RDX: ffff8880167257c0 RSI: ffffffff87717716 RDI: 0000000000000005 [ 50.074302][ T46] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 50.082298][ T46] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807f2a4810 [ 50.090288][ T46] R13: ffff88807f2a4808 R14: ffff88807f2a3800 R15: ffff88807f2a4800 [ 50.098473][ T46] ? devl_port_unregister+0x2f6/0x390 [ 50.103863][ T46] ? devl_port_unregister+0x2f6/0x390 [ 50.111934][ T46] __nsim_dev_port_del+0x1bb/0x240 [ 50.117075][ T46] nsim_dev_reload_destroy+0x171/0x510 [ 50.122569][ T46] nsim_dev_reload_down+0x6b/0xd0 [ 50.127600][ T46] devlink_reload+0x1c2/0x6b0 [ 50.132285][ T46] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 50.139266][ T46] ? xa_find+0x330/0x330 [ 50.143638][ T46] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 50.150091][ T46] devlink_pernet_pre_exit+0x104/0x1c0 [ 50.155755][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 50.162191][ T46] ? cttimeout_net_pre_exit+0x109/0x500 [ 50.167753][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 50.174186][ T46] cleanup_net+0x451/0xb10 [ 50.178696][ T46] ? unregister_pernet_device+0x70/0x70 [ 50.184255][ T46] process_one_work+0x9bf/0x1710 [ 50.189204][ T46] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 50.194581][ T46] ? rwlock_bug.part.0+0x90/0x90 [ 50.199561][ T46] ? _raw_spin_lock_irq+0x41/0x50 [ 50.204600][ T46] worker_thread+0x665/0x1080 [ 50.209291][ T46] ? process_one_work+0x1710/0x1710 [ 50.214591][ T46] kthread+0x2e4/0x3a0 [ 50.218679][ T46] ? kthread_complete_and_exit+0x40/0x40 [ 50.224324][ T46] ret_from_fork+0x1f/0x30 [ 50.228760][ T46] [ 50.231969][ T46] Kernel Offset: disabled [ 50.236812][ T46] Rebooting in 86400 seconds..