[ 51.588668][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.660300][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.517078][ T8] device hsr_slave_0 left promiscuous mode [ 52.523744][ T8] device hsr_slave_1 left promiscuous mode [ 52.530795][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 52.541343][ T8] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 52.551399][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 52.561171][ T8] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 52.570971][ T8] device bridge_slave_1 left promiscuous mode [ 52.579805][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.597215][ T8] device bridge_slave_0 left promiscuous mode [ 52.603620][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.625845][ T8] device veth1_macvtap left promiscuous mode [ 52.632159][ T8] device veth0_macvtap left promiscuous mode [ 52.641000][ T8] device veth1_vlan left promiscuous mode [ 52.647129][ T8] device veth0_vlan left promiscuous mode [ 52.847766][ T8] team0 (unregistering): Port device team_slave_1 removed [ 52.861339][ T8] team0 (unregistering): Port device team_slave_0 removed [ 52.873525][ T8] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.888260][ T8] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.931044][ T8] bond0 (unregistering): Released all slaves [ 53.029693][ T8] leaked reference. [ 53.033798][ T8] ethnl_default_notify+0x11c/0x560 [ 53.039004][ T8] ethnl_netdev_event+0x30/0x40 [ 53.043850][ T8] notifier_call_chain+0x94/0x170 [ 53.048859][ T8] netdev_update_features+0xa3/0xb0 [ 53.054034][ T8] hsr_add_port+0x3a1/0x670 [ 53.058530][ T8] hsr_dev_finalize+0x439/0x700 [ 53.063384][ T8] hsr_newlink+0x29b/0x660 [ 53.067790][ T8] __rtnl_newlink+0xd16/0x13e0 [ 53.072546][ T8] rtnl_newlink+0x5a/0x90 [ 53.076851][ T8] rtnetlink_rcv_msg+0x31d/0x8d0 [ 53.081849][ T8] netlink_rcv_skb+0x118/0x370 [ 53.086605][ T8] netlink_unicast+0x42e/0x700 [ 53.091343][ T8] netlink_sendmsg+0x775/0xc10 [ 53.096079][ T8] sock_sendmsg+0xab/0xe0 [ 53.100381][ T8] __sys_sendto+0x1a4/0x270 [ 53.104856][ T8] __x64_sys_sendto+0xd8/0x1b0 [ 53.111790][ T8] ------------[ cut here ]------------ [ 53.118014][ T8] WARNING: CPU: 0 PID: 8 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.128109][ T8] Modules linked in: [ 53.132030][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.16.0-rc3-syzkaller #0 [ 53.141121][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.151770][ T8] Workqueue: netns cleanup_net [ 53.156883][ T8] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.163317][ T8] 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 [ 53.185105][ T8] RSP: 0018:ffffc90000cd79c0 EFLAGS: 00010246 [ 53.191316][ T8] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 53.199714][ T8] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 53.208241][ T8] RBP: ffff88801b9725b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 53.218145][ T8] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801b972600 [ 53.226593][ T8] R13: ffff88801b972600 R14: ffff88801b972600 R15: ffff88801b972600 [ 53.236524][ T8] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 53.245830][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.252600][ T8] CR2: 000055d86fcea528 CR3: 000000001e1c5000 CR4: 00000000003506f0 [ 53.262292][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.270747][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.280332][ T8] Call Trace: [ 53.283638][ T8] [ 53.286974][ T8] free_netdev+0x293/0x4f0 [ 53.291410][ T8] netdev_run_todo+0x74c/0x930 [ 53.297775][ T8] ? generic_xdp_install+0x3c0/0x3c0 [ 53.303082][ T8] ? default_device_exit+0x270/0x270 [ 53.310325][ T8] ? unregister_netdevice_queue+0x13d/0x330 [ 53.318049][ T8] ? unregister_netdevice_many+0x1600/0x1600 [ 53.327459][ T8] ? br_dev_delete+0x104/0x190 [ 53.332369][ T8] default_device_exit_batch+0x2aa/0x360 [ 53.339614][ T8] ? unregister_netdev+0x20/0x20 [ 53.345008][ T8] ? default_device_exit+0x1e0/0x270 [ 53.350327][ T8] ? __init_waitqueue_head+0xd0/0xd0 [ 53.357368][ T8] ? ops_exit_list+0x8c/0x140 [ 53.362177][ T8] cleanup_net+0x423/0x980 [ 53.367144][ T8] ? unregister_pernet_device+0x60/0x60 [ 53.372720][ T8] process_one_work+0x87f/0x1450 [ 53.379380][ T8] ? lock_release+0x720/0x720 [ 53.384464][ T8] ? pwq_dec_nr_in_flight+0x230/0x230 [ 53.390465][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 53.397271][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 53.403308][ T8] worker_thread+0x598/0x1040 [ 53.408547][ T8] ? process_one_work+0x1450/0x1450 [ 53.413769][ T8] kthread+0x3ab/0x480 [ 53.419583][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.425122][ T8] ? set_kthread_struct+0x100/0x100 [ 53.430342][ T8] ret_from_fork+0x1f/0x30 [ 53.437196][ T8] [ 53.440242][ T8] Kernel panic - not syncing: panic_on_warn set ... [ 53.446818][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.16.0-rc3-syzkaller #0 [ 53.455237][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.465290][ T8] Workqueue: netns cleanup_net [ 53.470066][ T8] Call Trace: [ 53.473346][ T8] [ 53.476285][ T8] dump_stack_lvl+0x57/0x7d [ 53.480797][ T8] panic+0x214/0x49f [ 53.484709][ T8] ? __warn_printk+0xee/0xee [ 53.489344][ T8] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.495163][ T8] __warn.cold+0x2b/0x35 [ 53.499417][ T8] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.505281][ T8] report_bug+0x15a/0x1b0 [ 53.509626][ T8] handle_bug+0x3c/0x60 [ 53.513785][ T8] exc_invalid_op+0x14/0x40 [ 53.518305][ T8] asm_exc_invalid_op+0x12/0x20 [ 53.523161][ T8] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 53.529681][ T8] 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 [ 53.549484][ T8] RSP: 0018:ffffc90000cd79c0 EFLAGS: 00010246 [ 53.557560][ T8] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 53.565529][ T8] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 53.573673][ T8] RBP: ffff88801b9725b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 53.581655][ T8] R10: 0000000000000001 R11: 000000000007a08a R12: ffff88801b972600 [ 53.589625][ T8] R13: ffff88801b972600 R14: ffff88801b972600 R15: ffff88801b972600 [ 53.597636][ T8] free_netdev+0x293/0x4f0 [ 53.602345][ T8] netdev_run_todo+0x74c/0x930 [ 53.607283][ T8] ? generic_xdp_install+0x3c0/0x3c0 [ 53.612582][ T8] ? default_device_exit+0x270/0x270 [ 53.617923][ T8] ? unregister_netdevice_queue+0x13d/0x330 [ 53.623819][ T8] ? unregister_netdevice_many+0x1600/0x1600 [ 53.629813][ T8] ? br_dev_delete+0x104/0x190 [ 53.634584][ T8] default_device_exit_batch+0x2aa/0x360 [ 53.640225][ T8] ? unregister_netdev+0x20/0x20 [ 53.645174][ T8] ? default_device_exit+0x1e0/0x270 [ 53.650480][ T8] ? __init_waitqueue_head+0xd0/0xd0 [ 53.655778][ T8] ? ops_exit_list+0x8c/0x140 [ 53.660463][ T8] cleanup_net+0x423/0x980 [ 53.664984][ T8] ? unregister_pernet_device+0x60/0x60 [ 53.670638][ T8] process_one_work+0x87f/0x1450 [ 53.675762][ T8] ? lock_release+0x720/0x720 [ 53.680452][ T8] ? pwq_dec_nr_in_flight+0x230/0x230 [ 53.685838][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 53.690800][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 53.695836][ T8] worker_thread+0x598/0x1040 [ 53.700633][ T8] ? process_one_work+0x1450/0x1450 [ 53.705831][ T8] kthread+0x3ab/0x480 [ 53.709900][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.715093][ T8] ? set_kthread_struct+0x100/0x100 [ 53.720296][ T8] ret_from_fork+0x1f/0x30 [ 53.724725][ T8] [ 53.728218][ T8] Kernel Offset: disabled [ 53.732720][ T8] Rebooting in 86400 seconds..