Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.277933][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.637598][ T83] usb 1-1: config 0 has an invalid interface number: 89 but max is 0 [ 26.645763][ T83] usb 1-1: config 0 has an invalid descriptor of length 243, skipping remainder of the config [ 26.656211][ T83] usb 1-1: config 0 has no interface number 0 [ 26.662392][ T83] usb 1-1: config 0 interface 89 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 26.675466][ T83] usb 1-1: New USB device found, idVendor=07fd, idProduct=0004, bcdDevice=dc.94 [ 26.684552][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.693924][ T83] usb 1-1: config 0 descriptor?? [ 26.740199][ T83] usb 1-1: Waiting for MOTU Microbook II to boot up... [ 26.747468][ T83] kasan: CONFIG_KASAN_INLINE enabled [ 26.753243][ T83] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.765188][ T83] general protection fault: 0000 [#1] SMP KASAN [ 26.772042][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc2+ #25 [ 26.780226][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.790684][ T83] Workqueue: usb_hub_wq hub_event [ 26.796707][ T83] RIP: 0010:snd_usb_pipe_sanity_check+0x80/0x130 [ 26.806786][ T83] 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 [ 26.834361][ T83] RSP: 0018:ffff8881d9397010 EFLAGS: 00010246 [ 26.840594][ T83] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8496a5a2 [ 26.850624][ T83] RDX: 0000000000000000 RSI: ffffffff8496a5bc RDI: 0000000000000003 [ 26.858613][ T83] RBP: 0000000000000000 R08: ffff8881d9388000 R09: ffffed103b665d58 [ 26.866642][ T83] R10: ffffed103b665d57 R11: ffff8881db32eabf R12: 0000000000000000 [ 26.874651][ T83] R13: ffff8881d6aa9f00 R14: 1ffff1103b272e06 R15: ffff8881d2b38920 [ 26.882708][ T83] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 26.891732][ T83] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.898309][ T83] CR2: ffffffffff600400 CR3: 00000001c7891000 CR4: 00000000001406e0 [ 26.909404][ T83] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.922054][ T83] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.936612][ T83] Call Trace: [ 26.939943][ T83] snd_usb_motu_microbookii_communicate.constprop.0+0xa0/0x2fb [ 26.947500][ T83] ? create_standard_audio_quirk.cold+0x77/0x77 [ 26.953742][ T83] snd_usb_apply_boot_quirk.cold+0x163/0x370 [ 26.959715][ T83] ? snd_usb_apply_interface_quirk+0x5f0/0x5f0 [ 26.965859][ T83] ? mark_lock+0xbc/0x1130 [ 26.970353][ T83] ? __lock_acquire+0x145e/0x3b50 [ 26.975650][ T83] ? mark_lock+0xbc/0x1130 [ 26.980312][ T83] usb_audio_probe+0x2ec/0x2010 [ 26.985157][ T83] ? usb_audio_resume+0x20/0x20 [ 26.990019][ T83] ? mark_held_locks+0x9f/0xe0 [ 26.994801][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.000601][ T83] usb_probe_interface+0x305/0x7a0 [ 27.005727][ T83] ? usb_probe_device+0x100/0x100 [ 27.010734][ T83] really_probe+0x281/0x650 [ 27.015214][ T83] driver_probe_device+0x101/0x1b0 [ 27.020300][ T83] __device_attach_driver+0x1c2/0x220 [ 27.025656][ T83] ? driver_allows_async_probing+0x160/0x160 [ 27.031618][ T83] bus_for_each_drv+0x15c/0x1e0 [ 27.036452][ T83] ? bus_rescan_devices+0x20/0x20 [ 27.041457][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.047242][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 27.052509][ T83] __device_attach+0x217/0x360 [ 27.057267][ T83] ? device_bind_driver+0xd0/0xd0 [ 27.062270][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 27.067546][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 27.072812][ T83] bus_probe_device+0x1e4/0x290 [ 27.077647][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.083535][ T83] device_add+0xae6/0x16f0 [ 27.087951][ T83] ? uevent_store+0x50/0x50 [ 27.092433][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.098215][ T83] usb_set_configuration+0xdf6/0x1670 [ 27.103583][ T83] generic_probe+0x9d/0xd5 [ 27.107978][ T83] usb_probe_device+0x99/0x100 [ 27.112716][ T83] ? usb_suspend+0x620/0x620 [ 27.117282][ T83] really_probe+0x281/0x650 [ 27.121767][ T83] driver_probe_device+0x101/0x1b0 [ 27.126857][ T83] __device_attach_driver+0x1c2/0x220 [ 27.132208][ T83] ? driver_allows_async_probing+0x160/0x160 [ 27.138166][ T83] bus_for_each_drv+0x15c/0x1e0 [ 27.142991][ T83] ? bus_rescan_devices+0x20/0x20 [ 27.147991][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.153782][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 27.159048][ T83] __device_attach+0x217/0x360 [ 27.163790][ T83] ? device_bind_driver+0xd0/0xd0 [ 27.168806][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 27.174069][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 27.179346][ T83] bus_probe_device+0x1e4/0x290 [ 27.184175][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.190045][ T83] device_add+0xae6/0x16f0 [ 27.194444][ T83] ? uevent_store+0x50/0x50 [ 27.198924][ T83] usb_new_device.cold+0x6a4/0xe79 [ 27.204030][ T83] hub_event+0x1b5c/0x3640 [ 27.208459][ T83] ? hub_port_debounce+0x260/0x260 [ 27.213552][ T83] process_one_work+0x92b/0x1530 [ 27.218470][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.223852][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 27.228856][ T83] worker_thread+0x96/0xe20 [ 27.233338][ T83] ? process_one_work+0x1530/0x1530 [ 27.238514][ T83] kthread+0x318/0x420 [