[ 45.030608][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 45.040977][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 45.049117][ T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 45.058134][ T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 45.067104][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 45.194290][ T44] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 45.804050][ T3622] can: request_module (can-proto-0) failed.
[ 45.822359][ T3622] can: request_module (can-proto-0) failed.
[ 45.839728][ T3622] can: request_module (can-proto-0) failed.
[ 48.348343][ T44] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.565455][ T44] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.625050][ T44] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.346174][ T44] device hsr_slave_0 left promiscuous mode
[ 51.355074][ T44] device hsr_slave_1 left promiscuous mode
[ 51.361947][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 51.369337][ T44] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 51.378216][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 51.386122][ T44] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 51.394616][ T44] device bridge_slave_1 left promiscuous mode
[ 51.404142][ T44] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.416205][ T44] device bridge_slave_0 left promiscuous mode
[ 51.424035][ T44] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.437939][ T44] device veth1_macvtap left promiscuous mode
[ 51.445471][ T44] device veth0_macvtap left promiscuous mode
[ 51.451601][ T44] device veth1_vlan left promiscuous mode
[ 51.457468][ T44] device veth0_vlan left promiscuous mode
[ 51.570471][ T44] team0 (unregistering): Port device team_slave_1 removed
[ 51.582701][ T44] team0 (unregistering): Port device team_slave_0 removed
[ 51.596209][ T44] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 51.609764][ T44] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 51.656866][ T44] bond0 (unregistering): Released all slaves
[ 51.763949][ T44] leaked reference.
[ 51.767953][ T44] ethnl_default_notify+0x11c/0x560
[ 51.773134][ T44] ethnl_netdev_event+0x30/0x40
[ 51.777959][ T44] notifier_call_chain+0x94/0x170
[ 51.782954][ T44] netdev_update_features+0xa3/0xb0
[ 51.788211][ T44] hsr_add_port+0x3a1/0x670
[ 51.792692][ T44] hsr_dev_finalize+0x439/0x700
[ 51.797515][ T44] hsr_newlink+0x29b/0x660
[ 51.801903][ T44] __rtnl_newlink+0xd16/0x13e0
[ 51.806637][ T44] rtnl_newlink+0x5a/0x90
[ 51.810937][ T44] rtnetlink_rcv_msg+0x31d/0x8d0
[ 51.815844][ T44] netlink_rcv_skb+0x118/0x370
[ 51.820582][ T44] netlink_unicast+0x42e/0x700
[ 51.825317][ T44] netlink_sendmsg+0x775/0xc10
[ 51.830051][ T44] sock_sendmsg+0xab/0xe0
[ 51.834357][ T44] __sys_sendto+0x1a4/0x270
[ 51.838831][ T44] __x64_sys_sendto+0xd8/0x1b0
[ 51.845228][ T44] ------------[ cut here ]------------
[ 51.850888][ T44] WARNING: CPU: 0 PID: 44 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.863265][ T44] Modules linked in:
[ 51.867179][ T44] CPU: 1 PID: 44 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 51.877406][ T44] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.887809][ T44] Workqueue: netns cleanup_net
[ 51.894124][ T44] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.900907][ T44] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 bd 66 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 34 8e 33 00 <0f> 0b e9 57 8c 62 fb 4c 89 ff e8 95 66 60 f9 e9 a3 fe ff ff e8 7b
[ 51.922045][ T44] RSP: 0018:ffffc9000114f9c0 EFLAGS: 00010246
[ 51.928119][ T44] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 51.936435][ T44] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 51.945971][ T44] RBP: ffff88807a67a5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f
[ 51.954312][ T44] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88807a67a600
[ 51.963773][ T44] R13: ffff88807a67a600 R14: ffff88807a67a600 R15: ffff88807a67a600
[ 51.972404][ T44] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
[ 51.983016][ T44] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.989980][ T44] CR2: 00007fec04b0a520 CR3: 000000007e502000 CR4: 00000000003506e0
[ 51.997956][ T44] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.007585][ T44] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.015886][ T44] Call Trace:
[ 52.019170][ T44]
[ 52.023705][ T44] free_netdev+0x293/0x4f0
[ 52.028139][ T44] netdev_run_todo+0x74c/0x930
[ 52.033232][ T44] ? generic_xdp_install+0x3c0/0x3c0
[ 52.038611][ T44] ? default_device_exit+0x270/0x270
[ 52.045415][ T44] ? unregister_netdevice_queue+0x13d/0x330
[ 52.051600][ T44] ? unregister_netdevice_many+0x1600/0x1600
[ 52.057588][ T44] ? br_dev_delete+0x104/0x190
[ 52.064004][ T44] default_device_exit_batch+0x2aa/0x360
[ 52.069926][ T44] ? unregister_netdev+0x20/0x20
[ 52.074953][ T44] ? default_device_exit+0x1e0/0x270
[ 52.081789][ T44] ? __init_waitqueue_head+0xd0/0xd0
[ 52.087094][ T44] ? ops_exit_list+0x8c/0x140
[ 52.092352][ T44] cleanup_net+0x423/0x980
[ 52.096953][ T44] ? unregister_pernet_device+0x60/0x60
[ 52.104060][ T44] process_one_work+0x87f/0x1450
[ 52.109012][ T44] ? lock_release+0x720/0x720
[ 52.114041][ T44] ? pwq_dec_nr_in_flight+0x230/0x230
[ 52.124491][ T44] ? rwlock_bug.part.0+0x90/0x90
[ 52.131625][ T44] ? _raw_spin_lock_irq+0x41/0x50
[ 52.136758][ T44] worker_thread+0x598/0x1040
[ 52.141927][ T44] ? process_one_work+0x1450/0x1450
[ 52.147137][ T44] kthread+0x3ab/0x480
[ 52.152743][ T44] ? _raw_spin_unlock_irq+0x1f/0x40
[ 52.158171][ T44] ? set_kthread_struct+0x100/0x100
[ 52.164005][ T44] ret_from_fork+0x1f/0x30
[ 52.168441][ T44]
[ 52.173071][ T44] Kernel panic - not syncing: panic_on_warn set ...
[ 52.179657][ T44] CPU: 1 PID: 44 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 52.187972][ T44] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.198023][ T44] Workqueue: netns cleanup_net
[ 52.202791][ T44] Call Trace:
[ 52.206065][ T44]
[ 52.208991][ T44] dump_stack_lvl+0x57/0x7d
[ 52.213494][ T44] panic+0x214/0x49f
[ 52.217389][ T44] ? __warn_printk+0xee/0xee
[ 52.221993][ T44] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 52.227800][ T44] __warn.cold+0x2b/0x35
[ 52.232042][ T44] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 52.237844][ T44] report_bug+0x15a/0x1b0
[ 52.242173][ T44] handle_bug+0x3c/0x60
[ 52.246332][ T44] exc_invalid_op+0x14/0x40
[ 52.250828][ T44] asm_exc_invalid_op+0x12/0x20
[ 52.255669][ T44] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 52.262087][ T44] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 bd 66 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 34 8e 33 00 <0f> 0b e9 57 8c 62 fb 4c 89 ff e8 95 66 60 f9 e9 a3 fe ff ff e8 7b
[ 52.281687][ T44] RSP: 0018:ffffc9000114f9c0 EFLAGS: 00010246
[ 52.287769][ T44] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 52.295765][ T44] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 52.303996][ T44] RBP: ffff88807a67a5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f
[ 52.311964][ T44] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88807a67a600
[ 52.320193][ T44] R13: ffff88807a67a600 R14: ffff88807a67a600 R15: ffff88807a67a600
[ 52.328188][ T44] free_netdev+0x293/0x4f0
[ 52.332605][ T44] netdev_run_todo+0x74c/0x930
[ 52.337459][ T44] ? generic_xdp_install+0x3c0/0x3c0
[ 52.342769][ T44] ? default_device_exit+0x270/0x270
[ 52.348056][ T44] ? unregister_netdevice_queue+0x13d/0x330
[ 52.353943][ T44] ? unregister_netdevice_many+0x1600/0x1600
[ 52.359920][ T44] ? br_dev_delete+0x104/0x190
[ 52.364680][ T44] default_device_exit_batch+0x2aa/0x360
[ 52.370309][ T44] ? unregister_netdev+0x20/0x20
[ 52.375497][ T44] ? default_device_exit+0x1e0/0x270
[ 52.380787][ T44] ? __init_waitqueue_head+0xd0/0xd0
[ 52.386076][ T44] ? ops_exit_list+0x8c/0x140
[ 52.390748][ T44] cleanup_net+0x423/0x980
[ 52.395161][ T44] ? unregister_pernet_device+0x60/0x60
[ 52.400710][ T44] process_one_work+0x87f/0x1450
[ 52.405649][ T44] ? lock_release+0x720/0x720
[ 52.410317][ T44] ? pwq_dec_nr_in_flight+0x230/0x230
[ 52.415686][ T44] ? rwlock_bug.part.0+0x90/0x90
[ 52.420621][ T44] ? _raw_spin_lock_irq+0x41/0x50
[ 52.425812][ T44] worker_thread+0x598/0x1040
[ 52.430583][ T44] ? process_one_work+0x1450/0x1450
[ 52.435770][ T44] kthread+0x3ab/0x480
[ 52.439827][ T44] ? _raw_spin_unlock_irq+0x1f/0x40
[ 52.445008][ T44] ? set_kthread_struct+0x100/0x100
[ 52.450196][ T44] ret_from_fork+0x1f/0x30
[ 52.454621][ T44]
[ 52.457863][ T44] Kernel Offset: disabled
[ 52.462268][ T44] Rebooting in 86400 seconds..