[ 45.130362][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.139973][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.151313][ T980] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.161206][ T980] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.170383][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.302991][ T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.883809][ T3600] can: request_module (can-proto-0) failed. [ 45.903820][ T3600] can: request_module (can-proto-0) failed. [ 45.921993][ T3600] can: request_module (can-proto-0) failed. [ 48.415694][ T50] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.840050][ T50] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.881461][ T50] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.716271][ T50] device hsr_slave_0 left promiscuous mode [ 51.723755][ T50] device hsr_slave_1 left promiscuous mode [ 51.730713][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.738537][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.751381][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.759007][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.770174][ T50] device bridge_slave_1 left promiscuous mode [ 51.777457][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.793054][ T50] device bridge_slave_0 left promiscuous mode [ 51.801357][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.823002][ T50] device veth1_macvtap left promiscuous mode [ 51.829684][ T50] device veth0_macvtap left promiscuous mode [ 51.837000][ T50] device veth1_vlan left promiscuous mode [ 51.843157][ T50] device veth0_vlan left promiscuous mode [ 52.041727][ T50] team0 (unregistering): Port device team_slave_1 removed [ 52.054102][ T50] team0 (unregistering): Port device team_slave_0 removed [ 52.066797][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.081696][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.128485][ T50] bond0 (unregistering): Released all slaves [ 52.237972][ T50] leaked reference. [ 52.242016][ T50] ethnl_default_notify+0x11c/0x560 [ 52.247558][ T50] ethnl_netdev_event+0x30/0x40 [ 52.252773][ T50] notifier_call_chain+0x94/0x170 [ 52.257802][ T50] netdev_update_features+0xa3/0xb0 [ 52.263441][ T50] hsr_add_port+0x3a1/0x670 [ 52.268955][ T50] hsr_dev_finalize+0x439/0x700 [ 52.275611][ T50] hsr_newlink+0x29b/0x660 [ 52.280275][ T50] __rtnl_newlink+0xd16/0x13e0 [ 52.285060][ T50] rtnl_newlink+0x5a/0x90 [ 52.289489][ T50] rtnetlink_rcv_msg+0x31d/0x8d0 [ 52.294610][ T50] netlink_rcv_skb+0x118/0x370 [ 52.299638][ T50] netlink_unicast+0x42e/0x700 [ 52.304663][ T50] netlink_sendmsg+0x775/0xc10 [ 52.309427][ T50] sock_sendmsg+0xab/0xe0 [ 52.313858][ T50] __sys_sendto+0x1a4/0x270 [ 52.318464][ T50] __x64_sys_sendto+0xd8/0x1b0 [ 52.327681][ T50] ------------[ cut here ]------------ [ 52.333515][ T50] WARNING: CPU: 0 PID: 50 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.343774][ T50] Modules linked in: [ 52.349856][ T50] CPU: 0 PID: 50 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.359064][ T50] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.371530][ T50] Workqueue: netns cleanup_net [ 52.376755][ T50] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.384056][ T50] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 b7 5f f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 3d 8e 33 00 <0f> 0b e9 70 9e 62 fb 4c 89 ff e8 ee b6 5f f9 e9 a3 fe ff ff e8 d4 [ 52.407307][ T50] RSP: 0018:ffffc900017ff9c0 EFLAGS: 00010246 [ 52.413489][ T50] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.421992][ T50] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.432756][ T50] RBP: ffff888078e905b8 R08: 0000000000000001 R09: ffffffff8ee71a0f [ 52.441147][ T50] R10: 0000000000000001 R11: 000000000007a08a R12: ffff888078e90600 [ 52.451133][ T50] R13: ffff888078e90600 R14: ffff888078e90600 R15: ffff888078e90600 [ 52.459455][ T50] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 52.470171][ T50] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.477115][ T50] CR2: 00005637898e4528 CR3: 000000002105c000 CR4: 00000000003506f0 [ 52.487319][ T50] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.495600][ T50] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.503576][ T50] Call Trace: [ 52.517874][ T50] [ 52.520864][ T50] free_netdev+0x293/0x4f0 [ 52.527156][ T50] netdev_run_todo+0x74c/0x930 [ 52.532110][ T50] ? generic_xdp_install+0x3c0/0x3c0 [ 52.539097][ T50] ? default_device_exit+0x270/0x270 [ 52.544695][ T50] ? unregister_netdevice_queue+0x13d/0x330 [ 52.552296][ T50] ? unregister_netdevice_many+0x1600/0x1600 [ 52.558965][ T50] ? br_dev_delete+0x104/0x190 [ 52.563811][ T50] default_device_exit_batch+0x2aa/0x360 [ 52.571087][ T50] ? unregister_netdev+0x20/0x20 [ 52.576415][ T50] ? default_device_exit+0x1e0/0x270 [ 52.581718][ T50] ? __init_waitqueue_head+0xd0/0xd0 [ 52.589175][ T50] ? ops_exit_list+0x8c/0x140 [ 52.593879][ T50] cleanup_net+0x423/0x980 [ 52.598727][ T50] ? unregister_pernet_device+0x60/0x60 [ 52.604678][ T50] process_one_work+0x87f/0x1450 [ 52.611228][ T50] ? lock_release+0x720/0x720 [ 52.619016][ T50] ? pwq_dec_nr_in_flight+0x230/0x230 [ 52.626309][ T50] ? rwlock_bug.part.0+0x90/0x90 [ 52.631610][ T50] ? _raw_spin_lock_irq+0x41/0x50 [ 52.639307][ T50] worker_thread+0x598/0x1040 [ 52.644065][ T50] ? process_one_work+0x1450/0x1450 [ 52.650554][ T50] kthread+0x3ab/0x480 [ 52.654734][ T50] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.661973][ T50] ? set_kthread_struct+0x100/0x100 [ 52.668230][ T50] ret_from_fork+0x1f/0x30 [ 52.672937][ T50] [ 52.677703][ T50] Kernel panic - not syncing: panic_on_warn set ... [ 52.684488][ T50] CPU: 0 PID: 50 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.692818][ T50] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.702881][ T50] Workqueue: netns cleanup_net [ 52.707780][ T50] Call Trace: [ 52.711064][ T50] [ 52.713997][ T50] dump_stack_lvl+0x57/0x7d [ 52.718590][ T50] panic+0x214/0x49f [ 52.722492][ T50] ? __warn_printk+0xee/0xee [ 52.727479][ T50] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.733473][ T50] __warn.cold+0x2b/0x35 [ 52.737987][ T50] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.743986][ T50] report_bug+0x15a/0x1b0 [ 52.748756][ T50] handle_bug+0x3c/0x60 [ 52.752914][ T50] exc_invalid_op+0x14/0x40 [ 52.757508][ T50] asm_exc_invalid_op+0x12/0x20 [ 52.762365][ T50] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.768885][ T50] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 b7 5f f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 3d 8e 33 00 <0f> 0b e9 70 9e 62 fb 4c 89 ff e8 ee b6 5f f9 e9 a3 fe ff ff e8 d4 [ 52.789012][ T50] RSP: 0018:ffffc900017ff9c0 EFLAGS: 00010246 [ 52.795169][ T50] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.803244][ T50] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.811512][ T50] RBP: ffff888078e905b8 R08: 0000000000000001 R09: ffffffff8ee71a0f [ 52.819488][ T50] R10: 0000000000000001 R11: 000000000007a08a R12: ffff888078e90600 [ 52.827642][ T50] R13: ffff888078e90600 R14: ffff888078e90600 R15: ffff888078e90600 [ 52.835641][ T50] free_netdev+0x293/0x4f0 [ 52.840068][ T50] netdev_run_todo+0x74c/0x930 [ 52.844940][ T50] ? generic_xdp_install+0x3c0/0x3c0 [ 52.850249][ T50] ? default_device_exit+0x270/0x270 [ 52.855537][ T50] ? unregister_netdevice_queue+0x13d/0x330 [ 52.861537][ T50] ? unregister_netdevice_many+0x1600/0x1600 [ 52.867875][ T50] ? br_dev_delete+0x104/0x190 [ 52.872660][ T50] default_device_exit_batch+0x2aa/0x360 [ 52.878305][ T50] ? unregister_netdev+0x20/0x20 [ 52.883365][ T50] ? default_device_exit+0x1e0/0x270 [ 52.888791][ T50] ? __init_waitqueue_head+0xd0/0xd0 [ 52.894095][ T50] ? ops_exit_list+0x8c/0x140 [ 52.898797][ T50] cleanup_net+0x423/0x980 [ 52.903236][ T50] ? unregister_pernet_device+0x60/0x60 [ 52.908806][ T50] process_one_work+0x87f/0x1450 [ 52.913772][ T50] ? lock_release+0x720/0x720 [ 52.918653][ T50] ? pwq_dec_nr_in_flight+0x230/0x230 [ 52.924049][ T50] ? rwlock_bug.part.0+0x90/0x90 [ 52.929210][ T50] ? _raw_spin_lock_irq+0x41/0x50 [ 52.934501][ T50] worker_thread+0x598/0x1040 [ 52.939418][ T50] ? process_one_work+0x1450/0x1450 [ 52.944716][ T50] kthread+0x3ab/0x480 [ 52.948978][ T50] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.954550][ T50] ? set_kthread_struct+0x100/0x100 [ 52.959769][ T50] ret_from_fork+0x1f/0x30 [ 52.964303][ T50] [ 52.967952][ T50] Kernel Offset: disabled [ 52.972560][ T50] Rebooting in 86400 seconds..