[ 51.489101][ T50] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.539072][ T50] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 52.351953][ T50] device hsr_slave_0 left promiscuous mode
[ 52.359652][ T50] device hsr_slave_1 left promiscuous mode
[ 52.366736][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 52.374282][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 52.384646][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 52.392222][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 52.401980][ T50] device bridge_slave_1 left promiscuous mode
[ 52.409132][ T50] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.427518][ T50] device bridge_slave_0 left promiscuous mode
[ 52.434474][ T50] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.453734][ T50] device veth1_macvtap left promiscuous mode
[ 52.460303][ T50] device veth0_macvtap left promiscuous mode
[ 52.467304][ T50] device veth1_vlan left promiscuous mode
[ 52.473764][ T50] device veth0_vlan left promiscuous mode
[ 52.661007][ T50] team0 (unregistering): Port device team_slave_1 removed
[ 52.676013][ T50] team0 (unregistering): Port device team_slave_0 removed
[ 52.687552][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 52.700992][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 52.745986][ T50] bond0 (unregistering): Released all slaves
[ 52.857197][ T50] leaked reference.
[ 52.861348][ T50] ethnl_default_notify+0x11c/0x560
[ 52.866546][ T50] ethnl_netdev_event+0x30/0x40
[ 52.871389][ T50] notifier_call_chain+0x94/0x170
[ 52.876505][ T50] netdev_update_features+0xa3/0xb0
[ 52.881785][ T50] hsr_add_port+0x3a1/0x670
[ 52.886284][ T50] hsr_dev_finalize+0x439/0x700
[ 52.891131][ T50] hsr_newlink+0x29b/0x660
[ 52.895537][ T50] __rtnl_newlink+0xd16/0x13e0
[ 52.900296][ T50] rtnl_newlink+0x5a/0x90
[ 52.904616][ T50] rtnetlink_rcv_msg+0x31d/0x8d0
[ 52.909544][ T50] netlink_rcv_skb+0x118/0x370
[ 52.914297][ T50] netlink_unicast+0x42e/0x700
[ 52.919049][ T50] netlink_sendmsg+0x775/0xc10
[ 52.923892][ T50] sock_sendmsg+0xab/0xe0
[ 52.928363][ T50] __sys_sendto+0x1a4/0x270
[ 52.932950][ T50] __x64_sys_sendto+0xd8/0x1b0
[ 52.939095][ T50] ------------[ cut here ]------------
[ 52.945518][ T50] WARNING: CPU: 1 PID: 50 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4
[ 52.955350][ T50] Modules linked in:
[ 52.959250][ T50] CPU: 1 PID: 50 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 52.967703][ T50] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.978402][ T50] Workqueue: netns cleanup_net
[ 52.983294][ T50] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 52.989710][ T50] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 a7 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 8a 62 fb 4c 89 ff e8 ee a6 5f f9 e9 a3 fe ff ff e8 d4
[ 53.011414][ T50] RSP: 0018:ffffc900012af9c0 EFLAGS: 00010246
[ 53.017614][ T50] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 53.025959][ T50] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 53.035134][ T50] RBP: ffff8880787da5b8 R08: 0000000000000001 R09: ffffffff8ee72a0f
[ 53.043260][ T50] R10: 0000000000000001 R11: 000000000007a08a R12: ffff8880787da600
[ 53.051301][ T50] R13: ffff8880787da600 R14: ffff8880787da600 R15: ffff8880787da600
[ 53.059578][ T50] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
[ 53.068821][ T50] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.075533][ T50] CR2: 00007f14fc293690 CR3: 000000000a88e000 CR4: 00000000003506e0
[ 53.084792][ T50] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.093185][ T50] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.101159][ T50] Call Trace:
[ 53.104770][ T50]
[ 53.107723][ T50] free_netdev+0x293/0x4f0
[ 53.112143][ T50] netdev_run_todo+0x74c/0x930
[ 53.117577][ T50] ? generic_xdp_install+0x3c0/0x3c0
[ 53.123196][ T50] ? default_device_exit+0x270/0x270
[ 53.128565][ T50] ? unregister_netdevice_queue+0x13d/0x330
[ 53.135006][ T50] ? unregister_netdevice_many+0x1600/0x1600
[ 53.141006][ T50] ? br_dev_delete+0x104/0x190
[ 53.146272][ T50] default_device_exit_batch+0x2aa/0x360
[ 53.151947][ T50] ? unregister_netdev+0x20/0x20
[ 53.157789][ T50] ? default_device_exit+0x1e0/0x270
[ 53.163461][ T50] ? __init_waitqueue_head+0xd0/0xd0
[ 53.169112][ T50] ? ops_exit_list+0x8c/0x140
[ 53.174218][ T50] cleanup_net+0x423/0x980
[ 53.178640][ T50] ? unregister_pernet_device+0x60/0x60
[ 53.184578][ T50] process_one_work+0x87f/0x1450
[ 53.189522][ T50] ? lock_release+0x720/0x720
[ 53.194670][ T50] ? pwq_dec_nr_in_flight+0x230/0x230
[ 53.200059][ T50] ? rwlock_bug.part.0+0x90/0x90
[ 53.205358][ T50] ? _raw_spin_lock_irq+0x41/0x50
[ 53.210483][ T50] worker_thread+0x598/0x1040
[ 53.215599][ T50] ? process_one_work+0x1450/0x1450
[ 53.220802][ T50] kthread+0x3ab/0x480
[ 53.225217][ T50] ? _raw_spin_unlock_irq+0x1f/0x40
[ 53.230414][ T50] ? set_kthread_struct+0x100/0x100
[ 53.236281][ T50] ret_from_fork+0x1f/0x30
[ 53.240717][ T50]
[ 53.244070][ T50] Kernel panic - not syncing: panic_on_warn set ...
[ 53.250737][ T50] CPU: 0 PID: 50 Comm: kworker/u4:2 Not tainted 5.16.0-rc3-syzkaller #0
[ 53.259156][ T50] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.269213][ T50] Workqueue: netns cleanup_net
[ 53.274040][ T50] Call Trace:
[ 53.277317][ T50]
[ 53.280245][ T50] dump_stack_lvl+0x57/0x7d
[ 53.284743][ T50] panic+0x214/0x49f
[ 53.288629][ T50] ? __warn_printk+0xee/0xee
[ 53.293222][ T50] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 53.299026][ T50] __warn.cold+0x2b/0x35
[ 53.303265][ T50] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 53.309339][ T50] report_bug+0x15a/0x1b0
[ 53.313670][ T50] handle_bug+0x3c/0x60
[ 53.317821][ T50] exc_invalid_op+0x14/0x40
[ 53.322419][ T50] asm_exc_invalid_op+0x12/0x20
[ 53.327280][ T50] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 53.333683][ T50] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 16 a7 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 8a 62 fb 4c 89 ff e8 ee a6 5f f9 e9 a3 fe ff ff e8 d4
[ 53.353271][ T50] RSP: 0018:ffffc900012af9c0 EFLAGS: 00010246
[ 53.359324][ T50] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 53.367271][ T50] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001
[ 53.375769][ T50] RBP: ffff8880787da5b8 R08: 0000000000000001 R09: ffffffff8ee72a0f
[ 53.383807][ T50] R10: 0000000000000001 R11: 000000000007a08a R12: ffff8880787da600
[ 53.391932][ T50] R13: ffff8880787da600 R14: ffff8880787da600 R15: ffff8880787da600
[ 53.400065][ T50] free_netdev+0x293/0x4f0
[ 53.404465][ T50] netdev_run_todo+0x74c/0x930
[ 53.409207][ T50] ? generic_xdp_install+0x3c0/0x3c0
[ 53.414466][ T50] ? default_device_exit+0x270/0x270
[ 53.419724][ T50] ? unregister_netdevice_queue+0x13d/0x330
[ 53.425593][ T50] ? unregister_netdevice_many+0x1600/0x1600
[ 53.431633][ T50] ? br_dev_delete+0x104/0x190
[ 53.436380][ T50] default_device_exit_batch+0x2aa/0x360
[ 53.441988][ T50] ? unregister_netdev+0x20/0x20
[ 53.446899][ T50] ? default_device_exit+0x1e0/0x270
[ 53.452186][ T50] ? __init_waitqueue_head+0xd0/0xd0
[ 53.457462][ T50] ? ops_exit_list+0x8c/0x140
[ 53.462511][ T50] cleanup_net+0x423/0x980
[ 53.466929][ T50] ? unregister_pernet_device+0x60/0x60
[ 53.472475][ T50] process_one_work+0x87f/0x1450
[ 53.477578][ T50] ? lock_release+0x720/0x720
[ 53.482264][ T50] ? pwq_dec_nr_in_flight+0x230/0x230
[ 53.487722][ T50] ? rwlock_bug.part.0+0x90/0x90
[ 53.492680][ T50] ? _raw_spin_lock_irq+0x41/0x50
[ 53.497690][ T50] worker_thread+0x598/0x1040
[ 53.502351][ T50] ? process_one_work+0x1450/0x1450
[ 53.507533][ T50] kthread+0x3ab/0x480
[ 53.511596][ T50] ? _raw_spin_unlock_irq+0x1f/0x40
[ 53.516764][ T50] ? set_kthread_struct+0x100/0x100
[ 53.522023][ T50] ret_from_fork+0x1f/0x30
[ 53.526521][ T50]
[ 53.529912][ T50] Kernel Offset: disabled
[ 53.534598][ T50] Rebooting in 86400 seconds..