[ 44.718255][ T44] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 44.729044][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 44.747535][ T90] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 44.755724][ T90] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 44.764993][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 44.911812][ T44] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 45.444419][ T3603] can: request_module (can-proto-0) failed.
[ 45.463125][ T3603] can: request_module (can-proto-0) failed.
[ 45.483710][ T3603] can: request_module (can-proto-0) failed.
[ 47.767971][ T44] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 49.963800][ T44] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.015624][ T44] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.938815][ T44] device hsr_slave_0 left promiscuous mode
[ 50.947093][ T44] device hsr_slave_1 left promiscuous mode
[ 50.955988][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 50.965326][ T44] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 50.975638][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 50.984663][ T44] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 50.994453][ T44] device bridge_slave_1 left promiscuous mode
[ 51.002964][ T44] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.017743][ T44] device bridge_slave_0 left promiscuous mode
[ 51.026616][ T44] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.045738][ T44] device veth1_macvtap left promiscuous mode
[ 51.053645][ T44] device veth0_macvtap left promiscuous mode
[ 51.060683][ T44] device veth1_vlan left promiscuous mode
[ 51.066557][ T44] device veth0_vlan left promiscuous mode
[ 51.184474][ T44] team0 (unregistering): Port device team_slave_1 removed
[ 51.197387][ T44] team0 (unregistering): Port device team_slave_0 removed
[ 51.208590][ T44] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 51.222184][ T44] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 51.264417][ T44] bond0 (unregistering): Released all slaves
[ 51.354365][ T44] leaked reference.
[ 51.358389][ T44] ethnl_default_notify+0x11c/0x560
[ 51.363594][ T44] ethnl_netdev_event+0x30/0x40
[ 51.368440][ T44] notifier_call_chain+0x94/0x170
[ 51.373467][ T44] netdev_update_features+0xa3/0xb0
[ 51.378661][ T44] hsr_add_port+0x3a1/0x670
[ 51.383165][ T44] hsr_dev_finalize+0x439/0x700
[ 51.388314][ T44] hsr_newlink+0x29b/0x660
[ 51.392727][ T44] __rtnl_newlink+0xd16/0x13e0
[ 51.397490][ T44] rtnl_newlink+0x5a/0x90
[ 51.401816][ T44] rtnetlink_rcv_msg+0x31d/0x8d0
[ 51.406839][ T44] netlink_rcv_skb+0x118/0x370
[ 51.411681][ T44] netlink_unicast+0x42e/0x700
[ 51.416547][ T44] netlink_sendmsg+0x775/0xc10
[ 51.421302][ T44] sock_sendmsg+0xab/0xe0
[ 51.425627][ T44] __sys_sendto+0x1a4/0x270
[ 51.430120][ T44] __x64_sys_sendto+0xd8/0x1b0
[ 51.437290][ T44] ------------[ cut here ]------------
[ 51.444161][ T44] WARNING: CPU: 0 PID: 44 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.454304][ T44] Modules linked in:
[ 51.458200][ T44] CPU: 0 PID: 44 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 51.469057][ T44] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.480968][ T44] Workqueue: netns cleanup_net
[ 51.485764][ T44] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.492877][ T44] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 c7 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 b0 aa 62 fb 4c 89 ff e8 ee c6 5f f9 e9 a3 fe ff ff e8 d4
[ 51.514320][ T44] RSP: 0018:ffffc9000114f9c0 EFLAGS: 00010246
[ 51.520726][ T44] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 51.528708][ T44] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 51.538409][ T44] RBP: ffff8880777e25b8 R08: 0000000000000001 R09: ffffffff8ee71a0f
[ 51.547642][ T44] R10: 0000000000000001 R11: 000000000007a08a R12: ffff8880777e2600
[ 51.557350][ T44] R13: ffff8880777e2600 R14: ffff8880777e2600 R15: ffff8880777e2600
[ 51.565963][ T44] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
[ 51.577419][ T44] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.585587][ T44] CR2: 00007f5c3f2e4194 CR3: 000000007e4f9000 CR4: 00000000003506f0
[ 51.595246][ T44] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.603627][ T44] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.613275][ T44] Call Trace:
[ 51.616579][ T44]
[ 51.619927][ T44] free_netdev+0x293/0x4f0
[ 51.624357][ T44] netdev_run_todo+0x74c/0x930
[ 51.630796][ T44] ? generic_xdp_install+0x3c0/0x3c0
[ 51.636100][ T44] ? default_device_exit+0x270/0x270
[ 51.641836][ T44] ? unregister_netdevice_queue+0x13d/0x330
[ 51.647736][ T44] ? unregister_netdevice_many+0x1600/0x1600
[ 51.655483][ T44] ? br_dev_delete+0x104/0x190
[ 51.660599][ T44] default_device_exit_batch+0x2aa/0x360
[ 51.666511][ T44] ? unregister_netdev+0x20/0x20
[ 51.673363][ T44] ? default_device_exit+0x1e0/0x270
[ 51.678756][ T44] ? __init_waitqueue_head+0xd0/0xd0
[ 51.685571][ T44] ? ops_exit_list+0x8c/0x140
[ 51.691736][ T44] cleanup_net+0x423/0x980
[ 51.696167][ T44] ? unregister_pernet_device+0x60/0x60
[ 51.702173][ T44] process_one_work+0x87f/0x1450
[ 51.708199][ T44] ? lock_release+0x720/0x720
[ 51.714875][ T44] ? pwq_dec_nr_in_flight+0x230/0x230
[ 51.721360][ T44] ? rwlock_bug.part.0+0x90/0x90
[ 51.726311][ T44] ? _raw_spin_lock_irq+0x41/0x50
[ 51.732939][ T44] worker_thread+0x598/0x1040
[ 51.737635][ T44] ? process_one_work+0x1450/0x1450
[ 51.743387][ T44] kthread+0x3ab/0x480
[ 51.747463][ T44] ? _raw_spin_unlock_irq+0x1f/0x40
[ 51.754296][ T44] ? set_kthread_struct+0x100/0x100
[ 51.759812][ T44] ret_from_fork+0x1f/0x30
[ 51.764402][ T44]
[ 51.767422][ T44] Kernel panic - not syncing: panic_on_warn set ...
[ 51.773995][ T44] CPU: 0 PID: 44 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 51.782484][ T44] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.792625][ T44] Workqueue: netns cleanup_net
[ 51.797400][ T44] Call Trace:
[ 51.800677][ T44]
[ 51.803602][ T44] dump_stack_lvl+0x57/0x7d
[ 51.808180][ T44] panic+0x214/0x49f
[ 51.812335][ T44] ? __warn_printk+0xee/0xee
[ 51.816939][ T44] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.822746][ T44] __warn.cold+0x2b/0x35
[ 51.826988][ T44] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.832797][ T44] report_bug+0x15a/0x1b0
[ 51.837126][ T44] handle_bug+0x3c/0x60
[ 51.841276][ T44] exc_invalid_op+0x14/0x40
[ 51.845777][ T44] asm_exc_invalid_op+0x12/0x20
[ 51.850621][ T44] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.857032][ T44] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 c7 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 b0 aa 62 fb 4c 89 ff e8 ee c6 5f f9 e9 a3 fe ff ff e8 d4
[ 51.877458][ T44] RSP: 0018:ffffc9000114f9c0 EFLAGS: 00010246
[ 51.883527][ T44] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 51.891500][ T44] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 51.899468][ T44] RBP: ffff8880777e25b8 R08: 0000000000000001 R09: ffffffff8ee71a0f
[ 51.907437][ T44] R10: 0000000000000001 R11: 000000000007a08a R12: ffff8880777e2600
[ 51.915405][ T44] R13: ffff8880777e2600 R14: ffff8880777e2600 R15: ffff8880777e2600
[ 51.923404][ T44] free_netdev+0x293/0x4f0
[ 51.927831][ T44] netdev_run_todo+0x74c/0x930
[ 51.932605][ T44] ? generic_xdp_install+0x3c0/0x3c0
[ 51.937977][ T44] ? default_device_exit+0x270/0x270
[ 51.943259][ T44] ? unregister_netdevice_queue+0x13d/0x330
[ 51.949245][ T44] ? unregister_netdevice_many+0x1600/0x1600
[ 51.955225][ T44] ? br_dev_delete+0x104/0x190
[ 51.959993][ T44] default_device_exit_batch+0x2aa/0x360
[ 51.965630][ T44] ? unregister_netdev+0x20/0x20
[ 51.970568][ T44] ? default_device_exit+0x1e0/0x270
[ 51.975945][ T44] ? __init_waitqueue_head+0xd0/0xd0
[ 51.981329][ T44] ? ops_exit_list+0x8c/0x140
[ 51.986006][ T44] cleanup_net+0x423/0x980
[ 51.990426][ T44] ? unregister_pernet_device+0x60/0x60
[ 51.997282][ T44] process_one_work+0x87f/0x1450
[ 52.002233][ T44] ? lock_release+0x720/0x720
[ 52.006923][ T44] ? pwq_dec_nr_in_flight+0x230/0x230
[ 52.012302][ T44] ? rwlock_bug.part.0+0x90/0x90
[ 52.017242][ T44] ? _raw_spin_lock_irq+0x41/0x50
[ 52.022277][ T44] worker_thread+0x598/0x1040
[ 52.026966][ T44] ? process_one_work+0x1450/0x1450
[ 52.032162][ T44] kthread+0x3ab/0x480
[ 52.036575][ T44] ? _raw_spin_unlock_irq+0x1f/0x40
[ 52.041769][ T44] ? set_kthread_struct+0x100/0x100
[ 52.047055][ T44] ret_from_fork+0x1f/0x30
[ 52.051486][ T44]
[ 52.054995][ T44] Kernel Offset: disabled
[ 52.059559][ T44] Rebooting in 86400 seconds..