[ 52.197872][ T1247] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 52.257960][ T1247] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 53.074670][ T1247] device hsr_slave_0 left promiscuous mode
[ 53.082997][ T1247] device hsr_slave_1 left promiscuous mode
[ 53.089647][ T1247] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 53.098335][ T1247] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 53.108956][ T1247] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 53.116494][ T1247] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 53.125782][ T1247] device bridge_slave_1 left promiscuous mode
[ 53.132968][ T1247] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.150217][ T1247] device bridge_slave_0 left promiscuous mode
[ 53.156525][ T1247] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.177539][ T1247] device veth1_macvtap left promiscuous mode
[ 53.184018][ T1247] device veth0_macvtap left promiscuous mode
[ 53.190391][ T1247] device veth1_vlan left promiscuous mode
[ 53.196808][ T1247] device veth0_vlan left promiscuous mode
[ 53.414579][ T1247] team0 (unregistering): Port device team_slave_1 removed
[ 53.426879][ T1247] team0 (unregistering): Port device team_slave_0 removed
[ 53.438541][ T1247] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 53.453427][ T1247] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 53.496984][ T1247] bond0 (unregistering): Released all slaves
[ 53.596381][ T1247] leaked reference.
[ 53.600548][ T1247] ethnl_default_notify+0x11c/0x560
[ 53.605753][ T1247] ethnl_netdev_event+0x30/0x40
[ 53.610589][ T1247] notifier_call_chain+0x94/0x170
[ 53.615682][ T1247] netdev_update_features+0xa3/0xb0
[ 53.620869][ T1247] hsr_add_port+0x3a1/0x670
[ 53.625355][ T1247] hsr_dev_finalize+0x439/0x700
[ 53.630245][ T1247] hsr_newlink+0x29b/0x660
[ 53.634649][ T1247] __rtnl_newlink+0xd16/0x13e0
[ 53.639496][ T1247] rtnl_newlink+0x5a/0x90
[ 53.643885][ T1247] rtnetlink_rcv_msg+0x31d/0x8d0
[ 53.648796][ T1247] netlink_rcv_skb+0x118/0x370
[ 53.653536][ T1247] netlink_unicast+0x42e/0x700
[ 53.658271][ T1247] netlink_sendmsg+0x775/0xc10
[ 53.663009][ T1247] sock_sendmsg+0xab/0xe0
[ 53.667313][ T1247] __sys_sendto+0x1a4/0x270
[ 53.671798][ T1247] __x64_sys_sendto+0xd8/0x1b0
[ 53.678719][ T1247] ------------[ cut here ]------------
[ 53.685118][ T1247] WARNING: CPU: 1 PID: 1247 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4
[ 53.697723][ T1247] Modules linked in:
[ 53.701675][ T1247] CPU: 1 PID: 1247 Comm: kworker/u4:5 Not tainted 5.16.0-rc3-syzkaller #0
[ 53.710532][ T1247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.722004][ T1247] Workqueue: netns cleanup_net
[ 53.727472][ T1247] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 53.735218][ T1247] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 f0 de 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 17 ff 32 00 <0f> 0b e9 3a 7b 65 fb 4c 89 ff e8 c8 de 60 f9 e9 a3 fe ff ff e8 ae
[ 53.756251][ T1247] RSP: 0018:ffffc9000532f9c0 EFLAGS: 00010246
[ 53.762932][ T1247] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 53.770934][ T1247] RDX: 0000000000000001 RSI: ffffffff88cb4740 RDI: 0000000000000001
[ 53.779581][ T1247] RBP: ffff88807deac5b8 R08: 0000000000000001 R09: ffffffff8ee5ea0f
[ 53.788450][ T1247] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88807deac600
[ 53.797047][ T1247] R13: ffff88807deac600 R14: ffff88807deac600 R15: ffff88807deac600
[ 53.805349][ T1247] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
[ 53.815718][ T1247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.822318][ T1247] CR2: 00007f728959de3c CR3: 000000007ce1f000 CR4: 00000000003506e0
[ 53.830724][ T1247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.840127][ T1247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.848391][ T1247] Call Trace:
[ 53.851674][ T1247]
[ 53.856169][ T1247] free_netdev+0x293/0x4f0
[ 53.860596][ T1247] netdev_run_todo+0x74c/0x930
[ 53.865674][ T1247] ? generic_xdp_install+0x3c0/0x3c0
[ 53.870970][ T1247] ? default_device_exit+0x270/0x270
[ 53.877692][ T1247] ? unregister_netdevice_queue+0x13d/0x330
[ 53.883893][ T1247] ? unregister_netdevice_many+0x1600/0x1600
[ 53.889875][ T1247] ? br_dev_delete+0x104/0x190
[ 53.896545][ T1247] default_device_exit_batch+0x2aa/0x360
[ 53.902194][ T1247] ? unregister_netdev+0x20/0x20
[ 53.907679][ T1247] ? default_device_exit+0x1e0/0x270
[ 53.914396][ T1247] ? __init_waitqueue_head+0xd0/0xd0
[ 53.919701][ T1247] ? ops_exit_list+0x8c/0x140
[ 53.924649][ T1247] cleanup_net+0x423/0x980
[ 53.929107][ T1247] ? unregister_pernet_device+0x60/0x60
[ 53.945423][ T1247] process_one_work+0x87f/0x1450
[ 53.950389][ T1247] ? lock_release+0x720/0x720
[ 53.956495][ T1247] ? pwq_dec_nr_in_flight+0x230/0x230
[ 53.961879][ T1247] ? rwlock_bug.part.0+0x90/0x90
[ 53.967109][ T1247] ? _raw_spin_lock_irq+0x41/0x50
[ 53.972140][ T1247] worker_thread+0x598/0x1040
[ 53.978231][ T1247] ? process_one_work+0x1450/0x1450
[ 53.983687][ T1247] kthread+0x3ab/0x480
[ 53.987764][ T1247] ? _raw_spin_unlock_irq+0x1f/0x40
[ 53.994355][ T1247] ? set_kthread_struct+0x100/0x100
[ 53.999574][ T1247] ret_from_fork+0x1f/0x30
[ 54.004506][ T1247]
[ 54.007544][ T1247] Kernel panic - not syncing: panic_on_warn set ...
[ 54.014128][ T1247] CPU: 1 PID: 1247 Comm: kworker/u4:5 Not tainted 5.16.0-rc3-syzkaller #0
[ 54.022627][ T1247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.032682][ T1247] Workqueue: netns cleanup_net
[ 54.037455][ T1247] Call Trace:
[ 54.040737][ T1247]
[ 54.044101][ T1247] dump_stack_lvl+0x57/0x7d
[ 54.048691][ T1247] panic+0x214/0x49f
[ 54.052580][ T1247] ? __warn_printk+0xee/0xee
[ 54.057165][ T1247] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 54.062967][ T1247] __warn.cold+0x2b/0x35
[ 54.067204][ T1247] ? ref_tracker_dir_exit.cold+0x163/0x1b4
[ 54.073010][ T1247] report_bug+0x15a/0x1b0
[ 54.077513][ T1247] handle_bug+0x3c/0x60
[ 54.081666][ T1247] exc_invalid_op+0x14/0x40
[ 54.086170][ T1247] asm_exc_invalid_op+0x12/0x20
[ 54.091019][ T1247] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4
[ 54.097433][ T1247] Code: c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 f0 de 60 f9 4d 39 f4 49 8b 04 24 4d 89 e7 75 3f 48 8b 74 24 08 48 89 ef e8 17 ff 32 00 <0f> 0b e9 3a 7b 65 fb 4c 89 ff e8 c8 de 60 f9 e9 a3 fe ff ff e8 ae
[ 54.117037][ T1247] RSP: 0018:ffffc9000532f9c0 EFLAGS: 00010246
[ 54.123193][ T1247] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[ 54.131170][ T1247] RDX: 0000000000000001 RSI: ffffffff88cb4740 RDI: 0000000000000001
[ 54.139150][ T1247] RBP: ffff88807deac5b8 R08: 0000000000000001 R09: ffffffff8ee5ea0f
[ 54.147121][ T1247] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88807deac600
[ 54.155106][ T1247] R13: ffff88807deac600 R14: ffff88807deac600 R15: ffff88807deac600
[ 54.163083][ T1247] free_netdev+0x293/0x4f0
[ 54.167505][ T1247] netdev_run_todo+0x74c/0x930
[ 54.172273][ T1247] ? generic_xdp_install+0x3c0/0x3c0
[ 54.177557][ T1247] ? default_device_exit+0x270/0x270
[ 54.182839][ T1247] ? unregister_netdevice_queue+0x13d/0x330
[ 54.188730][ T1247] ? unregister_netdevice_many+0x1600/0x1600
[ 54.194710][ T1247] ? br_dev_delete+0x104/0x190
[ 54.199476][ T1247] default_device_exit_batch+0x2aa/0x360
[ 54.205105][ T1247] ? unregister_netdev+0x20/0x20
[ 54.210043][ T1247] ? default_device_exit+0x1e0/0x270
[ 54.215329][ T1247] ? __init_waitqueue_head+0xd0/0xd0
[ 54.220611][ T1247] ? ops_exit_list+0x8c/0x140
[ 54.225283][ T1247] cleanup_net+0x423/0x980
[ 54.229696][ T1247] ? unregister_pernet_device+0x60/0x60
[ 54.235236][ T1247] process_one_work+0x87f/0x1450
[ 54.240174][ T1247] ? lock_release+0x720/0x720
[ 54.244852][ T1247] ? pwq_dec_nr_in_flight+0x230/0x230
[ 54.250222][ T1247] ? rwlock_bug.part.0+0x90/0x90
[ 54.255155][ T1247] ? _raw_spin_lock_irq+0x41/0x50
[ 54.260183][ T1247] worker_thread+0x598/0x1040
[ 54.264864][ T1247] ? process_one_work+0x1450/0x1450
[ 54.270091][ T1247] kthread+0x3ab/0x480
[ 54.274151][ T1247] ? _raw_spin_unlock_irq+0x1f/0x40
[ 54.279343][ T1247] ? set_kthread_struct+0x100/0x100
[ 54.284543][ T1247] ret_from_fork+0x1f/0x30
[ 54.288959][ T1247]
[ 54.292318][ T1247] Kernel Offset: disabled
[ 54.296743][ T1247] Rebooting in 86400 seconds..