Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.826174][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.066134][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 28.186270][ T83] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 28.195396][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.204760][ T83] usb 1-1: config 0 descriptor?? [ 28.456381][ T83] hso 1-1:0.0: Can't find BULK IN endpoint [ 28.462414][ T83] ------------[ cut here ]------------ [ 28.467918][ T83] WARNING: CPU: 1 PID: 83 at net/core/dev.c:8488 rollback_registered_many+0x1df/0xe00 [ 28.477427][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 28.483990][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 28.491330][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.501370][ T83] Workqueue: usb_hub_wq hub_event [ 28.506373][ T83] Call Trace: [ 28.509639][ T83] dump_stack+0xca/0x13e [ 28.513862][ T83] ? rollback_registered_many+0xf0/0xe00 [ 28.519469][ T83] panic+0x2aa/0x6e1 [ 28.523339][ T83] ? add_taint.cold+0x16/0x16 [ 28.527990][ T83] ? printk+0xba/0xed [ 28.531962][ T83] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 28.537408][ T83] ? __warn.cold+0x14/0x33 [ 28.541801][ T83] ? __warn+0xd5/0x1d0 [ 28.545847][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.551539][ T83] __warn.cold+0x2f/0x33 [ 28.555759][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.561449][ T83] report_bug+0x27b/0x2f0 [ 28.565755][ T83] do_error_trap+0x12b/0x1e0 [ 28.570348][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.576061][ T83] do_invalid_op+0x32/0x40 [ 28.580454][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.586160][ T83] invalid_op+0x23/0x30 [ 28.590312][ T83] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 28.596623][ T83] Code: 84 c0 74 06 0f 8e 39 0a 00 00 44 0f b6 bb 28 05 00 00 31 ff 44 89 fe e8 af 4d 8f fc 45 84 ff 0f 85 49 ff ff ff e8 71 4c 8f fc <0f> 0b 4c 89 e7 e8 b7 b6 34 fd 31 ff 41 89 c4 89 c6 e8 8b 4d 8f fc [ 28.616309][ T83] RSP: 0018:ffff8881d89f7038 EFLAGS: 00010293 [ 28.622361][ T83] RAX: ffff8881d8c56000 RBX: ffff8881d4b9c000 RCX: ffffffff84aed9e1 [ 28.630311][ T83] RDX: 0000000000000000 RSI: ffffffff84aed9ef RDI: 0000000000000001 [ 28.638276][ T83] RBP: ffff8881d89f7168 R08: ffff8881d8c56000 R09: fffffbfff0ee2b31 [ 28.646243][ T83] R10: fffffbfff0ee2b30 R11: ffffffff87715987 R12: ffff8881d4b9c070 [ 28.654220][ T83] R13: ffff8881d89f70f8 R14: dffffc0000000000 R15: 0000000000000000 [ 28.662198][ T83] ? rollback_registered_many+0x1d1/0xe00 [ 28.667953][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.673672][ T83] ? rollback_registered_many+0x1df/0xe00 [ 28.679382][ T83] ? generic_xdp_install+0x480/0x480 [ 28.684651][ T83] ? __mutex_lock+0x430/0x1360 [ 28.689409][ T83] ? find_held_lock+0x2d/0x110 [ 28.694151][ T83] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 28.699767][ T83] ? unregister_netdev+0xe/0x20 [ 28.704612][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 28.709350][ T83] rollback_registered+0xf2/0x1c0 [ 28.714360][ T83] ? rollback_registered_many+0xe00/0xe00 [ 28.720065][ T83] ? _dev_crit+0x109/0x109 [ 28.724473][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 28.729752][ T83] unregister_netdevice_queue+0x1d7/0x2b0 [ 28.735456][ T83] unregister_netdev+0x18/0x20 [ 28.740199][ T83] hso_free_net_device+0xff/0x300 [ 28.745217][ T83] hso_create_net_device+0x76d/0x9c0 [ 28.750515][ T83] hso_probe+0x28d/0x1b7b [ 28.754833][ T83] usb_probe_interface+0x305/0x7a0 [ 28.759927][ T83] ? usb_probe_device+0x100/0x100 [ 28.765006][ T83] really_probe+0x281/0x6d0 [ 28.769498][ T83] driver_probe_device+0x104/0x210 [ 28.774631][ T83] __device_attach_driver+0x1c2/0x220 [ 28.779988][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.785949][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.790777][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.795777][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.801558][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.806832][ T83] __device_attach+0x217/0x360 [ 28.811578][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.816578][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 28.821838][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 28.827109][ T83] bus_probe_device+0x1e4/0x290 [ 28.831938][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.837812][ T83] device_add+0xae6/0x16f0 [ 28.842201][ T83] ? uevent_store+0x50/0x50 [ 28.846683][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.852467][ T83] usb_set_configuration+0xdf6/0x1670 [ 28.857823][ T83] generic_probe+0x9d/0xd5 [ 28.862228][ T83] usb_probe_device+0x99/0x100 [ 28.866984][ T83] ? usb_suspend+0x620/0x620 [ 28.871550][ T83] really_probe+0x281/0x6d0 [ 28.876031][ T83] driver_probe_device+0x104/0x210 [ 28.881119][ T83] __device_attach_driver+0x1c2/0x220 [ 28.886481][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.892452][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.897296][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.902295][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.908089][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.913349][ T83] __device_attach+0x217/0x360 [ 28.918088][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.923087][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 28.928350][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 28.933648][ T83] bus_probe_device+0x1e4/0x290 [ 28.938490][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.944358][ T83] device_add+0xae6/0x16f0 [ 28.948750][ T83] ? uevent_store+0x50/0x50 [ 28.953227][ T83] usb_new_device.cold+0x6a4/0xe79 [ 28.958326][ T83] hub_event+0x1df8/0x3800 [ 28.962721][ T83] ? hub_port_debounce+0x260/0x260 [ 28.967823][ T83] ? find_held_lock+0x2d/0x110 [ 28.972576][ T83] ? mark_held_locks+0xe0/0xe0 [ 28.977325][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.982855][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.988119][ T83] process_one_work+0x92b/0x1530 [ 28.993042][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.998395][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 29.003392][ T83] worker_thread+0x96/0xe20 [ 29.007880][ T83] ? process_one_work+0x1530/0x1530 [ 29.013058][ T83] kthread+0x318/0x420 [ 29.017101][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 29.022453][ T83] ret_from_fork+0x24/0x30 [ 29.027562][ T83] Kernel Offset: disabled [ 29.031918][ T83] Rebooting in 86400 seconds..