DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a forked to background, child pid 3181 [ 27.447642][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.458310][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. 2022/11/08 04:17:50 fuzzer started 2022/11/08 04:17:50 connecting to host at 10.128.0.169:39681 2022/11/08 04:17:50 checking machine... 2022/11/08 04:17:50 checking revisions... 2022/11/08 04:17:50 testing simple program... syzkaller login: [ 50.516750][ T3601] cgroup: Unknown subsys name 'net' [ 50.620521][ T3601] cgroup: Unknown subsys name 'rlimit' [ 50.821077][ T3608] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.829742][ T3608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.838200][ T3608] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.846369][ T3608] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.854329][ T3608] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.861776][ T3608] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.870250][ T3604] Bluetooth: hci0: HCI_REQ-0x0c1a [ 50.966385][ T3604] chnl_net:caif_netlink_parms(): no params data found [ 51.009146][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.017650][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.026560][ T3604] device bridge_slave_0 entered promiscuous mode [ 51.036250][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.043506][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.051186][ T3604] device bridge_slave_1 entered promiscuous mode [ 51.072007][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.084773][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.107821][ T3604] team0: Port device team_slave_0 added [ 51.115089][ T3604] team0: Port device team_slave_1 added [ 51.132955][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.140004][ 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. [ 51.166602][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.179908][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.187110][ 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. [ 51.213509][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.242737][ T3604] device hsr_slave_0 entered promiscuous mode [ 51.250082][ T3604] device hsr_slave_1 entered promiscuous mode [ 51.347683][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.358152][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.367359][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.377851][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.398560][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.405930][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.414410][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.421465][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.468291][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.480294][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.492405][ T2984] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.501315][ T2984] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.509798][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.522950][ T3604] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.535238][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.544161][ T2984] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.551335][ T2984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.574613][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.583951][ T2984] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.591195][ T2984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.599758][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.608700][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.617285][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.631765][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.640362][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.650488][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.745162][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.752670][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.761028][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.784722][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.799236][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.810000][ T3604] device veth0_vlan entered promiscuous mode [ 51.817377][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.825592][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.838024][ T3604] device veth1_vlan entered promiscuous mode [ 51.856439][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.865088][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.873142][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.885018][ T3604] device veth0_macvtap entered promiscuous mode [ 51.895285][ T3604] device veth1_macvtap entered promiscuous mode [ 51.912468][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.920252][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.930490][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.943937][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.951548][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.961036][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.973722][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.982618][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.993785][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.004018][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.066326][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.075800][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.086545][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.103060][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.111830][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.122891][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/08 04:17:52 building call list... [ 52.371198][ T1094] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 54.996989][ T1094] ------------[ cut here ]------------ [ 55.013032][ T1094] WARNING: CPU: 1 PID: 1094 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 55.033916][ T1094] Modules linked in: [ 55.037847][ T1094] CPU: 1 PID: 1094 Comm: kworker/u4:5 Not tainted 6.1.0-rc3-syzkaller-00800-ge69761483361 #0 [ 55.058615][ T1094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.079438][ T1094] Workqueue: netns cleanup_net [ 55.084575][ T1094] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.090707][ T1094] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 55.110820][ T1094] RSP: 0000:ffffc90005bdfa08 EFLAGS: 00010293 [ 55.117331][ T1094] RAX: 0000000000000000 RBX: ffff88807d9fa010 RCX: 0000000000000000 [ 55.125661][ T1094] RDX: ffff888020e0d7c0 RSI: ffffffff87717606 RDI: 0000000000000005 [ 55.134312][ T1094] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.142387][ T1094] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807d9fa010 [ 55.150758][ T1094] R13: ffff88807d9fa008 R14: ffff88807d9f9000 R15: ffff88807d9fa000 [ 55.159670][ T1094] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 55.169045][ T1094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.175969][ T1094] CR2: 0000558f226bd068 CR3: 000000001ed1f000 CR4: 00000000003506e0 [ 55.184624][ T1094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.192927][ T1094] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.201347][ T1094] Call Trace: [ 55.206354][ T1094] [ 55.209373][ T1094] __nsim_dev_port_del+0x1bb/0x240 [ 55.214874][ T1094] nsim_dev_reload_destroy+0x171/0x510 [ 55.221621][ T1094] nsim_dev_reload_down+0x6b/0xd0 [ 55.228547][ T1094] devlink_reload+0x1c2/0x6b0 [ 55.233508][ T1094] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.241208][ T1094] ? xa_find+0x330/0x330 [ 55.247248][ T1094] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.254151][ T1094] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.259728][ T1094] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.267866][ T1094] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.273851][ T1094] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.280572][ T1094] cleanup_net+0x451/0xb10 [ 55.286959][ T1094] ? unregister_pernet_device+0x70/0x70 [ 55.292842][ T1094] process_one_work+0x9bf/0x1710 [ 55.298466][ T1094] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.305985][ T1094] ? rwlock_bug.part.0+0x90/0x90 [ 55.311178][ T1094] ? _raw_spin_lock_irq+0x41/0x50 [ 55.317915][ T1094] worker_thread+0x665/0x1080 [ 55.324853][ T1094] ? __kthread_parkme+0x15f/0x220 [ 55.330504][ T1094] ? process_one_work+0x1710/0x1710 [ 55.336724][ T1094] kthread+0x2e4/0x3a0 [ 55.340908][ T1094] ? kthread_complete_and_exit+0x40/0x40 [ 55.348691][ T1094] ret_from_fork+0x1f/0x30 [ 55.354299][ T1094] [ 55.357704][ T1094] Kernel panic - not syncing: panic_on_warn set ... [ 55.364391][ T1094] CPU: 1 PID: 1094 Comm: kworker/u4:5 Not tainted 6.1.0-rc3-syzkaller-00800-ge69761483361 #0 [ 55.374558][ T1094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.384629][ T1094] Workqueue: netns cleanup_net [ 55.389422][ T1094] Call Trace: [ 55.392883][ T1094] [ 55.395860][ T1094] dump_stack_lvl+0xcd/0x134 [ 55.400526][ T1094] panic+0x2c8/0x622 [ 55.404448][ T1094] ? panic_print_sys_info.part.0+0x110/0x110 [ 55.410469][ T1094] ? __warn.cold+0x24b/0x350 [ 55.415093][ T1094] ? devl_port_unregister+0x2f6/0x390 [ 55.420486][ T1094] __warn.cold+0x25c/0x350 [ 55.424927][ T1094] ? devl_port_unregister+0x2f6/0x390 [ 55.430334][ T1094] report_bug+0x1bc/0x210 [ 55.434694][ T1094] handle_bug+0x3c/0x70 [ 55.438867][ T1094] exc_invalid_op+0x14/0x40 [ 55.443388][ T1094] asm_exc_invalid_op+0x16/0x20 [ 55.448251][ T1094] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 55.454252][ T1094] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 55.474074][ T1094] RSP: 0000:ffffc90005bdfa08 EFLAGS: 00010293 [ 55.480165][ T1094] RAX: 0000000000000000 RBX: ffff88807d9fa010 RCX: 0000000000000000 [ 55.488151][ T1094] RDX: ffff888020e0d7c0 RSI: ffffffff87717606 RDI: 0000000000000005 [ 55.496219][ T1094] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 55.504371][ T1094] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88807d9fa010 [ 55.512358][ T1094] R13: ffff88807d9fa008 R14: ffff88807d9f9000 R15: ffff88807d9fa000 [ 55.520368][ T1094] ? devl_port_unregister+0x2f6/0x390 [ 55.525774][ T1094] ? devl_port_unregister+0x2f6/0x390 [ 55.531173][ T1094] __nsim_dev_port_del+0x1bb/0x240 [ 55.536308][ T1094] nsim_dev_reload_destroy+0x171/0x510 [ 55.541971][ T1094] nsim_dev_reload_down+0x6b/0xd0 [ 55.547108][ T1094] devlink_reload+0x1c2/0x6b0 [ 55.551910][ T1094] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 55.558803][ T1094] ? xa_find+0x330/0x330 [ 55.563078][ T1094] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 55.569526][ T1094] devlink_pernet_pre_exit+0x104/0x1c0 [ 55.575011][ T1094] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.581465][ T1094] ? cttimeout_net_pre_exit+0x109/0x500 [ 55.587035][ T1094] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 55.593475][ T1094] cleanup_net+0x451/0xb10 [ 55.597918][ T1094] ? unregister_pernet_device+0x70/0x70 [ 55.603515][ T1094] process_one_work+0x9bf/0x1710 [ 55.608513][ T1094] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 55.613937][ T1094] ? rwlock_bug.part.0+0x90/0x90 [ 55.618894][ T1094] ? _raw_spin_lock_irq+0x41/0x50 [ 55.623955][ T1094] worker_thread+0x665/0x1080 [ 55.628663][ T1094] ? __kthread_parkme+0x15f/0x220 [ 55.633703][ T1094] ? process_one_work+0x1710/0x1710 [ 55.638927][ T1094] kthread+0x2e4/0x3a0 [ 55.643020][ T1094] ? kthread_complete_and_exit+0x40/0x40 [ 55.648688][ T1094] ret_from_fork+0x1f/0x30 [ 55.653248][ T1094] [ 55.656327][ T1094] Kernel Offset: disabled [ 55.660761][ T1094] Rebooting in 86400 seconds..