[ 44.125591][ T981] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 44.135232][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 44.153362][ T981] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 44.161398][ T981] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 44.170276][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 44.315362][ T309] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 44.823200][ T3603] can: request_module (can-proto-0) failed.
[ 44.842941][ T3603] can: request_module (can-proto-0) failed.
[ 44.863006][ T3603] can: request_module (can-proto-0) failed.
[ 47.499568][ T309] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.016170][ T309] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.067907][ T309] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 50.872806][ T309] device hsr_slave_0 left promiscuous mode
[ 50.879402][ T309] device hsr_slave_1 left promiscuous mode
[ 50.887425][ T309] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 50.896105][ T309] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 50.907527][ T309] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 50.915618][ T309] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 50.927543][ T309] device bridge_slave_1 left promiscuous mode
[ 50.934971][ T309] bridge0: port 2(bridge_slave_1) entered disabled state
[ 50.951861][ T309] device bridge_slave_0 left promiscuous mode
[ 50.958119][ T309] bridge0: port 1(bridge_slave_0) entered disabled state
[ 50.979272][ T309] device veth1_macvtap left promiscuous mode
[ 50.987287][ T309] device veth0_macvtap left promiscuous mode
[ 50.994351][ T309] device veth1_vlan left promiscuous mode
[ 51.001909][ T309] device veth0_vlan left promiscuous mode
[ 51.209565][ T309] team0 (unregistering): Port device team_slave_1 removed
[ 51.223497][ T309] team0 (unregistering): Port device team_slave_0 removed
[ 51.235673][ T309] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 51.249322][ T309] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 51.296114][ T309] bond0 (unregistering): Released all slaves
[ 51.425186][ T309] leaked reference.
[ 51.429260][ T309] ethnl_default_notify+0x11c/0x560
[ 51.434462][ T309] ethnl_netdev_event+0x30/0x40
[ 51.439319][ T309] notifier_call_chain+0x94/0x170
[ 51.444344][ T309] netdev_update_features+0xa3/0xb0
[ 51.449716][ T309] hsr_add_port+0x3a1/0x670
[ 51.454217][ T309] hsr_dev_finalize+0x439/0x700
[ 51.459071][ T309] hsr_newlink+0x29b/0x660
[ 51.463490][ T309] __rtnl_newlink+0xd16/0x13e0
[ 51.468249][ T309] rtnl_newlink+0x5a/0x90
[ 51.472755][ T309] rtnetlink_rcv_msg+0x31d/0x8d0
[ 51.477703][ T309] netlink_rcv_skb+0x118/0x370
[ 51.482678][ T309] netlink_unicast+0x42e/0x700
[ 51.487448][ T309] netlink_sendmsg+0x775/0xc10
[ 51.492217][ T309] sock_sendmsg+0xab/0xe0
[ 51.496558][ T309] __sys_sendto+0x1a4/0x270
[ 51.501054][ T309] __x64_sys_sendto+0xd8/0x1b0
[ 51.516729][ T309] ------------[ cut here ]------------
[ 51.522575][ T309] WARNING: CPU: 0 PID: 309 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.532914][ T309] Modules linked in:
[ 51.536823][ T309] CPU: 0 PID: 309 Comm: kworker/u4:3 Not tainted 5.16.0-rc3-syzkaller #0
[ 51.545524][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.555850][ T309] Workqueue: netns cleanup_net
[ 51.560958][ T309] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.567620][ T309] 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
[ 51.588529][ T309] RSP: 0018:ffffc90002c2f9c0 EFLAGS: 00010246
[ 51.594813][ T309] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 51.603077][ T309] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 51.611266][ T309] RBP: ffff88801bc365b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f
[ 51.619236][ T309] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801bc36600
[ 51.630525][ T309] R13: ffff88801bc36600 R14: ffff88801bc36600 R15: ffff88801bc36600
[ 51.638532][ T309] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
[ 51.647793][ T309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.655838][ T309] CR2: 00007fe3ecf9cff8 CR3: 000000000a88e000 CR4: 00000000003506f0
[ 51.664223][ T309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.673581][ T309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.681872][ T309] Call Trace:
[ 51.685172][ T309]
[ 51.688118][ T309] free_netdev+0x293/0x4f0
[ 51.694037][ T309] netdev_run_todo+0x74c/0x930
[ 51.698912][ T309] ? generic_xdp_install+0x3c0/0x3c0
[ 51.704483][ T309] ? default_device_exit+0x270/0x270
[ 51.711289][ T309] ? unregister_netdevice_queue+0x13d/0x330
[ 51.717642][ T309] ? unregister_netdevice_many+0x1600/0x1600
[ 51.723875][ T309] ? br_dev_delete+0x104/0x190
[ 51.728654][ T309] default_device_exit_batch+0x2aa/0x360
[ 51.735826][ T309] ? unregister_netdev+0x20/0x20
[ 51.741207][ T309] ? default_device_exit+0x1e0/0x270
[ 51.746703][ T309] ? __init_waitqueue_head+0xd0/0xd0
[ 51.753433][ T309] ? ops_exit_list+0x8c/0x140
[ 51.758159][ T309] cleanup_net+0x423/0x980
[ 51.762888][ T309] ? unregister_pernet_device+0x60/0x60
[ 51.768453][ T309] process_one_work+0x87f/0x1450
[ 51.774885][ T309] ? lock_release+0x720/0x720
[ 51.779579][ T309] ? pwq_dec_nr_in_flight+0x230/0x230
[ 51.785220][ T309] ? rwlock_bug.part.0+0x90/0x90
[ 51.791599][ T309] ? _raw_spin_lock_irq+0x41/0x50
[ 51.801747][ T309] worker_thread+0x598/0x1040
[ 51.808681][ T309] ? process_one_work+0x1450/0x1450
[ 51.815331][ T309] kthread+0x3ab/0x480
[ 51.820884][ T309] ? _raw_spin_unlock_irq+0x1f/0x40
[ 51.826223][ T309] ? set_kthread_struct+0x100/0x100
[ 51.835850][ T309] ret_from_fork+0x1f/0x30
[ 51.840621][ T309]
[ 51.843851][ T309] Kernel panic - not syncing: panic_on_warn set ...
[ 51.850434][ T309] CPU: 1 PID: 309 Comm: kworker/u4:3 Not tainted 5.16.0-rc3-syzkaller #0
[ 51.859011][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.869071][ T309] Workqueue: netns cleanup_net
[ 51.873853][ T309] Call Trace:
[ 51.877139][ T309]
[ 51.880071][ T309] dump_stack_lvl+0x57/0x7d
[ 51.884707][ T309] panic+0x214/0x49f
[ 51.888603][ T309] ? __warn_printk+0xee/0xee
[ 51.893216][ T309] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.899030][ T309] __warn.cold+0x2b/0x35
[ 51.903279][ T309] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.909101][ T309] report_bug+0x15a/0x1b0
[ 51.913445][ T309] handle_bug+0x3c/0x60
[ 51.917603][ T309] exc_invalid_op+0x14/0x40
[ 51.922124][ T309] asm_exc_invalid_op+0x12/0x20
[ 51.926976][ T309] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 51.933480][ T309] 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
[ 51.953090][ T309] RSP: 0018:ffffc90002c2f9c0 EFLAGS: 00010246
[ 51.959154][ T309] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 51.967123][ T309] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 51.975104][ T309] RBP: ffff88801bc365b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f
[ 51.983083][ T309] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801bc36600
[ 51.991059][ T309] R13: ffff88801bc36600 R14: ffff88801bc36600 R15: ffff88801bc36600
[ 51.999058][ T309] free_netdev+0x293/0x4f0
[ 52.003487][ T309] netdev_run_todo+0x74c/0x930
[ 52.008274][ T309] ? generic_xdp_install+0x3c0/0x3c0
[ 52.013559][ T309] ? default_device_exit+0x270/0x270
[ 52.018846][ T309] ? unregister_netdevice_queue+0x13d/0x330
[ 52.024753][ T309] ? unregister_netdevice_many+0x1600/0x1600
[ 52.030826][ T309] ? br_dev_delete+0x104/0x190
[ 52.035596][ T309] default_device_exit_batch+0x2aa/0x360
[ 52.041318][ T309] ? unregister_netdev+0x20/0x20
[ 52.046254][ T309] ? default_device_exit+0x1e0/0x270
[ 52.051745][ T309] ? __init_waitqueue_head+0xd0/0xd0
[ 52.057038][ T309] ? ops_exit_list+0x8c/0x140
[ 52.061821][ T309] cleanup_net+0x423/0x980
[ 52.066252][ T309] ? unregister_pernet_device+0x60/0x60
[ 52.071818][ T309] process_one_work+0x87f/0x1450
[ 52.076867][ T309] ? lock_release+0x720/0x720
[ 52.081551][ T309] ? pwq_dec_nr_in_flight+0x230/0x230
[ 52.086934][ T309] ? rwlock_bug.part.0+0x90/0x90
[ 52.091879][ T309] ? _raw_spin_lock_irq+0x41/0x50
[ 52.096916][ T309] worker_thread+0x598/0x1040
[ 52.101612][ T309] ? process_one_work+0x1450/0x1450
[ 52.106817][ T309] kthread+0x3ab/0x480
[ 52.110893][ T309] ? _raw_spin_unlock_irq+0x1f/0x40
[ 52.116091][ T309] ? set_kthread_struct+0x100/0x100
[ 52.121296][ T309] ret_from_fork+0x1f/0x30
[ 52.125824][ T309]
[ 52.129135][ T309] Kernel Offset: disabled
[ 52.133551][ T309] Rebooting in 86400 seconds..