DUID 00:04:08:6f:95:b8:7a:da:47:d5:ae:28:d8:4d:e4:58:2e:6d forked to background, child pid 4814 [ 32.471255][ T4815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.485805][ T4815] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. 2022/11/07 04:43:38 fuzzer started 2022/11/07 04:43:39 connecting to host at 10.128.0.169:44101 2022/11/07 04:43:39 checking machine... 2022/11/07 04:43:39 checking revisions... 2022/11/07 04:43:39 testing simple program... syzkaller login: [ 49.221174][ T5235] cgroup: Unknown subsys name 'net' [ 49.339942][ T5235] cgroup: Unknown subsys name 'rlimit' [ 50.611165][ T5240] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.619682][ T5240] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.628265][ T5240] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.636679][ T5240] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.644501][ T5240] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.652477][ T5240] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.660956][ T5237] Bluetooth: hci0: HCI_REQ-0x0c1a [ 50.774607][ T5237] chnl_net:caif_netlink_parms(): no params data found [ 50.823976][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.831898][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.840397][ T5237] device bridge_slave_0 entered promiscuous mode [ 50.849573][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.857037][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.865102][ T5237] device bridge_slave_1 entered promiscuous mode [ 50.887612][ T5237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.899149][ T5237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.924796][ T5237] team0: Port device team_slave_0 added [ 50.932464][ T5237] team0: Port device team_slave_1 added [ 50.952159][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.959319][ T5237] 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. [ 50.985618][ T5237] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.998598][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.005709][ T5237] 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. [ 51.032253][ T5237] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.064756][ T5237] device hsr_slave_0 entered promiscuous mode [ 51.071711][ T5237] device hsr_slave_1 entered promiscuous mode [ 51.162610][ T5237] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.174652][ T5237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.185164][ T5237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.195248][ T5237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.220329][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.227670][ T5237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.235942][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.243133][ T5237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.294742][ T5237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.307784][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.319521][ T4617] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.328814][ T4617] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.338087][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.355115][ T5237] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.367158][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.376357][ T5247] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.383707][ T5247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.405106][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.414590][ T5247] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.421899][ T5247] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.430531][ T5247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.449639][ T5237] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.460512][ T5237] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.474038][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.482045][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.491163][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.500453][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.510152][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.611648][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.619520][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.631479][ T5237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.650144][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.670162][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.679502][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.687681][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.698792][ T5237] device veth0_vlan entered promiscuous mode [ 51.710781][ T5237] device veth1_vlan entered promiscuous mode [ 51.732118][ T5237] device veth0_macvtap entered promiscuous mode [ 51.741696][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.750574][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.759670][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.769128][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.782351][ T5237] device veth1_macvtap entered promiscuous mode [ 51.801147][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.809096][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.818213][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.831107][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.839088][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.847869][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.860283][ T5237] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.869556][ T5237] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.878737][ T5237] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.887849][ T5237] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.954617][ T2862] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.964492][ T2862] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.982745][ T4617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 51.997700][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.006922][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.017041][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/07 04:43:42 building call list... [ 52.296947][ T2862] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 55.108028][ T2862] ------------[ cut here ]------------ [ 55.124402][ T2862] WARNING: CPU: 0 PID: 2862 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 55.144207][ T2862] Modules linked in: [ 55.148249][ T2862] CPU: 0 PID: 2862 Comm: kworker/u4:6 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0 [ 55.174376][ T2862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.202872][ T2862] Workqueue: netns cleanup_net [ 55.207725][ T2862] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.222868][ T2862] Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa [ 55.264233][ T2862] RSP: 0018:ffffc9000c457a08 EFLAGS: 00010293 [ 55.270371][ T2862] RAX: 0000000000000000 RBX: ffff888028f44010 RCX: 0000000000000000 [ 55.304516][ T2862] RDX: ffff888027683a80 RSI: ffffffff87809286 RDI: 0000000000000005 [ 55.312555][ T2862] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.332478][ T2862] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888028f44010 [ 55.352883][ T2862] R13: ffff888028f44008 R14: ffff888028f44800 R15: ffff888028f44000 [ 55.360913][ T2862] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 55.393299][ T2862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.399958][ T2862] CR2: 00007f93e6475c28 CR3: 000000000bc8e000 CR4: 00000000003506f0 [ 55.434202][ T2862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.454302][ T2862] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.474424][ T2862] Call Trace: [ 55.477758][ T2862] [ 55.480745][ T2862] __nsim_dev_port_del+0x1bb/0x240 [ 55.494231][ T2862] nsim_dev_reload_destroy+0x171/0x510 [ 55.499790][ T2862] nsim_dev_reload_down+0x6b/0xd0 [ 55.514331][ T2862] devlink_reload+0x1c2/0x6b0 [ 55.519092][ T2862] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.543055][ T2862] ? xa_find+0x330/0x330 [ 55.548245][ T2862] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.562643][ T2862] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.575664][ T2862] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.582204][ T2862] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.614317][ T2862] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.620836][ T2862] cleanup_net+0x451/0xb10 [ 55.634427][ T2862] ? unregister_pernet_device+0x70/0x70 [ 55.640683][ T2862] process_one_work+0x9bf/0x1710 [ 55.651338][ T2862] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.672886][ T2862] ? rwlock_bug.part.0+0x90/0x90 [ 55.677998][ T2862] ? _raw_spin_lock_irq+0x41/0x50 [ 55.692969][ T2862] worker_thread+0x665/0x1080 [ 55.697740][ T2862] ? __kthread_parkme+0x15f/0x220 [ 55.702798][ T2862] ? process_one_work+0x1710/0x1710 [ 55.731450][ T2862] kthread+0x2e4/0x3a0 [ 55.738005][ T2862] ? kthread_complete_and_exit+0x40/0x40 [ 55.753786][ T2862] ret_from_fork+0x1f/0x30 [ 55.764940][ T2862] [ 55.768020][ T2862] Kernel panic - not syncing: panic_on_warn set ... [ 55.774620][ T2862] CPU: 1 PID: 2862 Comm: kworker/u4:6 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0 [ 55.784881][ T2862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.794958][ T2862] Workqueue: netns cleanup_net [ 55.799848][ T2862] Call Trace: [ 55.803137][ T2862] [ 55.806085][ T2862] dump_stack_lvl+0xcd/0x134 [ 55.810713][ T2862] panic+0x2c8/0x622 [ 55.814685][ T2862] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.820805][ T2862] ? __warn.cold+0x24b/0x350 [ 55.825467][ T2862] ? devl_port_unregister+0x2f6/0x390 [ 55.830864][ T2862] __warn.cold+0x25c/0x350 [ 55.835406][ T2862] ? devl_port_unregister+0x2f6/0x390 [ 55.840800][ T2862] report_bug+0x1bc/0x210 [ 55.845168][ T2862] handle_bug+0x3c/0x70 [ 55.849361][ T2862] exc_invalid_op+0x14/0x40 [ 55.854148][ T2862] asm_exc_invalid_op+0x16/0x20 [ 55.859195][ T2862] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.865288][ T2862] Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa [ 55.884920][ T2862] RSP: 0018:ffffc9000c457a08 EFLAGS: 00010293 [ 55.891260][ T2862] RAX: 0000000000000000 RBX: ffff888028f44010 RCX: 0000000000000000 [ 55.899678][ T2862] RDX: ffff888027683a80 RSI: ffffffff87809286 RDI: 0000000000000005 [ 55.907659][ T2862] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.915658][ T2862] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888028f44010 [ 55.923838][ T2862] R13: ffff888028f44008 R14: ffff888028f44800 R15: ffff888028f44000 [ 55.932100][ T2862] ? devl_port_unregister+0x2f6/0x390 [ 55.937524][ T2862] ? devl_port_unregister+0x2f6/0x390 [ 55.942921][ T2862] __nsim_dev_port_del+0x1bb/0x240 [ 55.948063][ T2862] nsim_dev_reload_destroy+0x171/0x510 [ 55.953563][ T2862] nsim_dev_reload_down+0x6b/0xd0 [ 55.958616][ T2862] devlink_reload+0x1c2/0x6b0 [ 55.963316][ T2862] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.970187][ T2862] ? xa_find+0x330/0x330 [ 55.974449][ T2862] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.980892][ T2862] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.986459][ T2862] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.992962][ T2862] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.998644][ T2862] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 56.005191][ T2862] cleanup_net+0x451/0xb10 [ 56.009635][ T2862] ? unregister_pernet_device+0x70/0x70 [ 56.015208][ T2862] process_one_work+0x9bf/0x1710 [ 56.020185][ T2862] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 56.025584][ T2862] ? rwlock_bug.part.0+0x90/0x90 [ 56.030567][ T2862] ? _raw_spin_lock_irq+0x41/0x50 [ 56.035646][ T2862] worker_thread+0x665/0x1080 [ 56.040360][ T2862] ? __kthread_parkme+0x15f/0x220 [ 56.045405][ T2862] ? process_one_work+0x1710/0x1710 [ 56.050625][ T2862] kthread+0x2e4/0x3a0 [ 56.054805][ T2862] ? kthread_complete_and_exit+0x40/0x40 [ 56.060817][ T2862] ret_from_fork+0x1f/0x30 [ 56.065364][ T2862] [ 56.068636][ T2862] Kernel Offset: disabled [ 56.073075][ T2862] Rebooting in 86400 seconds..