[ 45.212261][ T1264] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.224131][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.244517][ T90] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.253636][ T90] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.264237][ T3626] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.387157][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.949188][ T3605] can: request_module (can-proto-0) failed. [ 45.968897][ T3605] can: request_module (can-proto-0) failed. [ 45.988743][ T3605] can: request_module (can-proto-0) failed. [ 48.464016][ T10] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.007748][ T10] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.088051][ T10] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.906392][ T10] device hsr_slave_0 left promiscuous mode [ 51.913236][ T10] device hsr_slave_1 left promiscuous mode [ 51.919818][ T10] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.928760][ T10] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.940141][ T10] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.948956][ T10] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.959964][ T10] device bridge_slave_1 left promiscuous mode [ 51.967944][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.985007][ T10] device bridge_slave_0 left promiscuous mode [ 51.991384][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.011339][ T10] device veth1_macvtap left promiscuous mode [ 52.017819][ T10] device veth0_macvtap left promiscuous mode [ 52.024302][ T10] device veth1_vlan left promiscuous mode [ 52.030259][ T10] device veth0_vlan left promiscuous mode [ 52.214249][ T10] team0 (unregistering): Port device team_slave_1 removed [ 52.226042][ T10] team0 (unregistering): Port device team_slave_0 removed [ 52.237543][ T10] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.253962][ T10] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.299133][ T10] bond0 (unregistering): Released all slaves [ 52.396308][ T10] leaked reference. [ 52.400539][ T10] ethnl_default_notify+0x11c/0x560 [ 52.405745][ T10] ethnl_netdev_event+0x30/0x40 [ 52.410609][ T10] notifier_call_chain+0x94/0x170 [ 52.415738][ T10] netdev_update_features+0xa3/0xb0 [ 52.420946][ T10] hsr_add_port+0x3a1/0x670 [ 52.425525][ T10] hsr_dev_finalize+0x439/0x700 [ 52.430530][ T10] hsr_newlink+0x29b/0x660 [ 52.435014][ T10] __rtnl_newlink+0xd16/0x13e0 [ 52.439750][ T10] rtnl_newlink+0x5a/0x90 [ 52.444071][ T10] rtnetlink_rcv_msg+0x31d/0x8d0 [ 52.448984][ T10] netlink_rcv_skb+0x118/0x370 [ 52.453719][ T10] netlink_unicast+0x42e/0x700 [ 52.458451][ T10] netlink_sendmsg+0x775/0xc10 [ 52.463201][ T10] sock_sendmsg+0xab/0xe0 [ 52.467515][ T10] __sys_sendto+0x1a4/0x270 [ 52.472001][ T10] __x64_sys_sendto+0xd8/0x1b0 [ 52.479204][ T10] ------------[ cut here ]------------ [ 52.485248][ T10] WARNING: CPU: 1 PID: 10 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.496984][ T10] Modules linked in: [ 52.500896][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.509903][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.521598][ T10] Workqueue: netns cleanup_net [ 52.526749][ T10] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.534722][ T10] 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 [ 52.556360][ T10] RSP: 0018:ffffc90000cf79c0 EFLAGS: 00010246 [ 52.562977][ T10] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.570955][ T10] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.589838][ T10] RBP: ffff888079f0e5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 52.598530][ T10] R10: 0000000000000001 R11: 000000000007a08a R12: ffff888079f0e600 [ 52.607135][ T10] R13: ffff888079f0e600 R14: ffff888079f0e600 R15: ffff888079f0e600 [ 52.615521][ T10] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 52.624887][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.631481][ T10] CR2: 00007f5018d87270 CR3: 000000007ecc2000 CR4: 00000000003506e0 [ 52.639947][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.648598][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.657129][ T10] Call Trace: [ 52.661647][ T10] [ 52.665040][ T10] free_netdev+0x293/0x4f0 [ 52.669470][ T10] netdev_run_todo+0x74c/0x930 [ 52.674656][ T10] ? generic_xdp_install+0x3c0/0x3c0 [ 52.679961][ T10] ? default_device_exit+0x270/0x270 [ 52.685632][ T10] ? unregister_netdevice_queue+0x13d/0x330 [ 52.691545][ T10] ? unregister_netdevice_many+0x1600/0x1600 [ 52.697966][ T10] ? br_dev_delete+0x104/0x190 [ 52.703183][ T10] default_device_exit_batch+0x2aa/0x360 [ 52.708938][ T10] ? unregister_netdev+0x20/0x20 [ 52.714461][ T10] ? default_device_exit+0x1e0/0x270 [ 52.719851][ T10] ? __init_waitqueue_head+0xd0/0xd0 [ 52.725791][ T10] ? ops_exit_list+0x8c/0x140 [ 52.730489][ T10] cleanup_net+0x423/0x980 [ 52.735531][ T10] ? unregister_pernet_device+0x60/0x60 [ 52.741110][ T10] process_one_work+0x87f/0x1450 [ 52.746524][ T10] ? lock_release+0x720/0x720 [ 52.751216][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 52.757115][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 52.762341][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 52.767379][ T10] worker_thread+0x598/0x1040 [ 52.772559][ T10] ? process_one_work+0x1450/0x1450 [ 52.777755][ T10] kthread+0x3ab/0x480 [ 52.781828][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.787630][ T10] ? set_kthread_struct+0x100/0x100 [ 52.793856][ T10] ret_from_fork+0x1f/0x30 [ 52.798294][ T10] [ 52.801313][ T10] Kernel panic - not syncing: panic_on_warn set ... [ 52.807899][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc3-syzkaller #0 [ 52.816304][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.826548][ T10] Workqueue: netns cleanup_net [ 52.831315][ T10] Call Trace: [ 52.834574][ T10] [ 52.837571][ T10] dump_stack_lvl+0x57/0x7d [ 52.842149][ T10] panic+0x214/0x49f [ 52.846029][ T10] ? __warn_printk+0xee/0xee [ 52.850604][ T10] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.856395][ T10] __warn.cold+0x2b/0x35 [ 52.860612][ T10] ? ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.866392][ T10] report_bug+0x15a/0x1b0 [ 52.870700][ T10] handle_bug+0x3c/0x60 [ 52.874849][ T10] exc_invalid_op+0x14/0x40 [ 52.879343][ T10] asm_exc_invalid_op+0x12/0x20 [ 52.884168][ T10] RIP: 0010:ref_tracker_dir_exit.cold+0x163/0x1b4 [ 52.890730][ T10] 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 [ 52.910542][ T10] RSP: 0018:ffffc90000cf79c0 EFLAGS: 00010246 [ 52.916600][ T10] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 52.924637][ T10] RDX: 0000000000000001 RSI: ffffffff88cb5680 RDI: 0000000000000001 [ 52.932680][ T10] RBP: ffff888079f0e5b8 R08: 0000000000000001 R09: ffffffff8ee6ea0f [ 52.940657][ T10] R10: 0000000000000001 R11: 000000000007a08a R12: ffff888079f0e600 [ 52.948743][ T10] R13: ffff888079f0e600 R14: ffff888079f0e600 R15: ffff888079f0e600 [ 52.956823][ T10] free_netdev+0x293/0x4f0 [ 52.961236][ T10] netdev_run_todo+0x74c/0x930 [ 52.966070][ T10] ? generic_xdp_install+0x3c0/0x3c0 [ 52.971338][ T10] ? default_device_exit+0x270/0x270 [ 52.976620][ T10] ? unregister_netdevice_queue+0x13d/0x330 [ 52.982499][ T10] ? unregister_netdevice_many+0x1600/0x1600 [ 52.988561][ T10] ? br_dev_delete+0x104/0x190 [ 52.993513][ T10] default_device_exit_batch+0x2aa/0x360 [ 52.999307][ T10] ? unregister_netdev+0x20/0x20 [ 53.004216][ T10] ? default_device_exit+0x1e0/0x270 [ 53.009493][ T10] ? __init_waitqueue_head+0xd0/0xd0 [ 53.014757][ T10] ? ops_exit_list+0x8c/0x140 [ 53.019410][ T10] cleanup_net+0x423/0x980 [ 53.023849][ T10] ? unregister_pernet_device+0x60/0x60 [ 53.029463][ T10] process_one_work+0x87f/0x1450 [ 53.034644][ T10] ? lock_release+0x720/0x720 [ 53.039298][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 53.044659][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 53.049588][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 53.054722][ T10] worker_thread+0x598/0x1040 [ 53.059406][ T10] ? process_one_work+0x1450/0x1450 [ 53.064586][ T10] kthread+0x3ab/0x480 [ 53.068734][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.074092][ T10] ? set_kthread_struct+0x100/0x100 [ 53.079379][ T10] ret_from_fork+0x1f/0x30 [ 53.083913][ T10] [ 53.087500][ T10] Kernel Offset: disabled [ 53.092052][ T10] Rebooting in 86400 seconds..