Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. executing program [ 28.490412][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.730380][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 28.850468][ T22] usb 1-1: config 0 has an invalid interface number: 144 but max is 0 [ 28.858708][ T22] usb 1-1: config 0 has no interface number 0 [ 28.864991][ T22] usb 1-1: New USB device found, idVendor=07fd, idProduct=0004, bcdDevice=32.85 [ 28.874069][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.883550][ T22] usb 1-1: config 0 descriptor?? [ 28.931987][ T22] usb 1-1: Waiting for MOTU Microbook II to boot up... [ 28.938939][ T22] kasan: CONFIG_KASAN_INLINE enabled [ 28.944335][ T22] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.952471][ T22] general protection fault: 0000 [#1] SMP KASAN [ 28.958696][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.3.0-rc2+ #25 [ 28.966125][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.976173][ T22] Workqueue: usb_hub_wq hub_event [ 28.981220][ T22] RIP: 0010:snd_usb_pipe_sanity_check+0x80/0x130 [ 28.987529][ T22] Code: 48 c1 ea 03 80 3c 02 00 0f 85 b3 00 00 00 48 8b 6d 00 c1 eb 1e 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 03 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 7b 48 b8 00 00 [ 29.007110][ T22] RSP: 0018:ffff8881da34f010 EFLAGS: 00010246 [ 29.013207][ T22] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8496a5a2 [ 29.021160][ T22] RDX: 0000000000000000 RSI: ffffffff8496a5bc RDI: 0000000000000003 [ 29.029173][ T22] RBP: 0000000000000000 R08: ffff8881da340000 R09: ffffed103b665d58 [ 29.037128][ T22] R10: ffffed103b665d57 R11: ffff8881db32eabf R12: 0000000000000000 [ 29.045076][ T22] R13: ffff8881d3f7f3c0 R14: 1ffff1103b469e06 R15: ffff8881d2910920 [ 29.053021][ T22] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 29.061925][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.068569][ T22] CR2: 00007f91390dd000 CR3: 00000001d3fd4000 CR4: 00000000001406e0 [ 29.076525][ T22] Call Trace: [ 29.079797][ T22] snd_usb_motu_microbookii_communicate.constprop.0+0xa0/0x2fb [ 29.087320][ T22] ? create_standard_audio_quirk.cold+0x77/0x77 [ 29.093544][ T22] snd_usb_apply_boot_quirk.cold+0x163/0x370 [ 29.099502][ T22] ? snd_usb_apply_interface_quirk+0x5f0/0x5f0 [ 29.105737][ T22] ? mark_lock+0xbc/0x1130 [ 29.110192][ T22] ? __lock_acquire+0x145e/0x3b50 [ 29.115218][ T22] ? mark_lock+0xbc/0x1130 [ 29.119607][ T22] usb_audio_probe+0x2ec/0x2010 [ 29.124434][ T22] ? usb_audio_resume+0x20/0x20 [ 29.129271][ T22] ? mark_held_locks+0x9f/0xe0 [ 29.134055][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.139837][ T22] usb_probe_interface+0x305/0x7a0 [ 29.144935][ T22] ? usb_probe_device+0x100/0x100 [ 29.149957][ T22] really_probe+0x281/0x650 [ 29.154464][ T22] driver_probe_device+0x101/0x1b0 [ 29.159549][ T22] __device_attach_driver+0x1c2/0x220 [ 29.164896][ T22] ? driver_allows_async_probing+0x160/0x160 [ 29.170847][ T22] bus_for_each_drv+0x15c/0x1e0 [ 29.175689][ T22] ? bus_rescan_devices+0x20/0x20 [ 29.180689][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.186471][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 29.191736][ T22] __device_attach+0x217/0x360 [ 29.196470][ T22] ? device_bind_driver+0xd0/0xd0 [ 29.201465][ T22] ? kobject_uevent_env+0x29e/0x1160 [ 29.206722][ T22] ? kobject_uevent_env+0x2a8/0x1160 [ 29.211986][ T22] bus_probe_device+0x1e4/0x290 [ 29.216813][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 29.222808][ T22] device_add+0xae6/0x16f0 [ 29.227263][ T22] ? uevent_store+0x50/0x50 [ 29.231748][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.237632][ T22] usb_set_configuration+0xdf6/0x1670 [ 29.242981][ T22] generic_probe+0x9d/0xd5 [ 29.247379][ T22] usb_probe_device+0x99/0x100 [ 29.252118][ T22] ? usb_suspend+0x620/0x620 [ 29.256682][ T22] really_probe+0x281/0x650 [ 29.261160][ T22] driver_probe_device+0x101/0x1b0 [ 29.266244][ T22] __device_attach_driver+0x1c2/0x220 [ 29.271604][ T22] ? driver_allows_async_probing+0x160/0x160 [ 29.277555][ T22] bus_for_each_drv+0x15c/0x1e0 [ 29.282882][ T22] ? bus_rescan_devices+0x20/0x20 [ 29.287881][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.293667][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 29.298933][ T22] __device_attach+0x217/0x360 [ 29.303675][ T22] ? device_bind_driver+0xd0/0xd0 [ 29.308744][ T22] ? kobject_uevent_env+0x29e/0x1160 [ 29.314023][ T22] ? kobject_uevent_env+0x2a8/0x1160 [ 29.319293][ T22] bus_probe_device+0x1e4/0x290 [ 29.324124][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 29.329987][ T22] device_add+0xae6/0x16f0 [ 29.334572][ T22] ? uevent_store+0x50/0x50 [ 29.339053][ T22] usb_new_device.cold+0x6a4/0xe79 [ 29.344136][ T22] hub_event+0x1b5c/0x3640 [ 29.348522][ T22] ? hub_port_debounce+0x260/0x260 [ 29.353613][ T22] process_one_work+0x92b/0x1530 [ 29.358529][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.363877][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 29.368966][ T22] worker_thread+0x96/0xe20 [ 29.373443][ T22] ? process_one_work+0x1530/0x1530 [ 29.378621][ T22] kthread+0x318/0x420 [ 29.382766][