Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.673003][ T85] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.912977][ T85] usb 1-1: Using ep0 maxpacket: 32 [ 28.033092][ T85] usb 1-1: config 0 has an invalid interface number: 14 but max is 0 [ 28.041272][ T85] usb 1-1: config 0 has no interface number 0 [ 28.047517][ T85] usb 1-1: config 0 interface 14 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 28.058155][ T85] usb 1-1: New USB device found, idVendor=133e, idProduct=0815, bcdDevice=a4.d4 [ 28.067259][ T85] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.076830][ T85] usb 1-1: config 0 descriptor?? [ 28.115328][ T85] kasan: CONFIG_KASAN_INLINE enabled [ 28.120724][ T85] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.128975][ T85] general protection fault: 0000 [#1] SMP KASAN [ 28.135236][ T85] CPU: 1 PID: 85 Comm: kworker/1:2 Not tainted 5.3.0-rc2+ #24 [ 28.142672][ T85] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.152737][ T85] Workqueue: usb_hub_wq hub_event [ 28.157758][ T85] RIP: 0010:snd_usb_pipe_sanity_check+0x80/0x130 [ 28.164279][ T85] 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 [ 28.183876][ T85] RSP: 0018:ffff8881d932f0a8 EFLAGS: 00010246 [ 28.189934][ T85] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8484d102 [ 28.197893][ T85] RDX: 0000000000000000 RSI: ffffffff8484d11c RDI: 0000000000000003 [ 28.205869][ T85] RBP: 0000000000000000 R08: ffff8881d971e000 R09: fffffbfff115e19a [ 28.213844][ T85] R10: fffffbfff115e199 R11: ffffffff88af0ccf R12: 0000000000000000 [ 28.221903][ T85] R13: dffffc0000000000 R14: ffff8881d7a6ee80 R15: ffff8881d7a6de20 [ 28.229863][ T85] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 28.238775][ T85] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.245345][ T85] CR2: 00007f331dd7f000 CR3: 00000001d4ffa000 CR4: 00000000001406e0 [ 28.253304][ T85] Call Trace: [ 28.256583][ T85] snd_usb_apply_boot_quirk+0xa19/0xc60 [ 28.262207][ T85] ? snd_usb_apply_interface_quirk+0x5f0/0x5f0 [ 28.268465][ T85] ? mark_lock+0xbc/0x1130 [ 28.272872][ T85] ? __lock_acquire+0x145e/0x3b50 [ 28.277892][ T85] ? mark_lock+0xbc/0x1130 [ 28.282293][ T85] usb_audio_probe+0x2ec/0x2010 [ 28.287131][ T85] ? usb_audio_resume+0x20/0x20 [ 28.291986][ T85] ? mark_held_locks+0x9f/0xe0 [ 28.296731][ T85] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.302524][ T85] usb_probe_interface+0x305/0x7a0 [ 28.307648][ T85] ? usb_probe_device+0x100/0x100 [ 28.312660][ T85] really_probe+0x281/0x650 [ 28.317152][ T85] driver_probe_device+0x101/0x1b0 [ 28.322259][ T85] __device_attach_driver+0x1c2/0x220 [ 28.327639][ T85] ? driver_allows_async_probing+0x160/0x160 [ 28.333616][ T85] bus_for_each_drv+0x15c/0x1e0 [ 28.338451][ T85] ? bus_rescan_devices+0x20/0x20 [ 28.343459][ T85] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.349246][ T85] ? lockdep_hardirqs_on+0x379/0x580 [ 28.354513][ T85] __device_attach+0x217/0x360 [ 28.359265][ T85] ? device_bind_driver+0xd0/0xd0 [ 28.364271][ T85] ? kobject_uevent_env+0x29e/0x1160 [ 28.369540][ T85] ? kobject_uevent_env+0x2a8/0x1160 [ 28.374803][ T85] bus_probe_device+0x1e4/0x290 [ 28.379638][ T85] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.385526][ T85] device_add+0xae6/0x16f0 [ 28.389931][ T85] ? uevent_store+0x50/0x50 [ 28.394419][ T85] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.400729][ T85] usb_set_configuration+0xdf6/0x1670 [ 28.406090][ T85] generic_probe+0x9d/0xd5 [ 28.410496][ T85] usb_probe_device+0x99/0x100 [ 28.415243][ T85] ? usb_suspend+0x620/0x620 [ 28.419809][ T85] really_probe+0x281/0x650 [ 28.424292][ T85] driver_probe_device+0x101/0x1b0 [ 28.429383][ T85] __device_attach_driver+0x1c2/0x220 [ 28.434748][ T85] ? driver_allows_async_probing+0x160/0x160 [ 28.440715][ T85] bus_for_each_drv+0x15c/0x1e0 [ 28.445557][ T85] ? bus_rescan_devices+0x20/0x20 [ 28.450587][ T85] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.456393][ T85] ? lockdep_hardirqs_on+0x379/0x580 [ 28.461686][ T85] __device_attach+0x217/0x360 [ 28.466553][ T85] ? device_bind_driver+0xd0/0xd0 [ 28.471640][ T85] ? kobject_uevent_env+0x29e/0x1160 [ 28.477010][ T85] ? kobject_uevent_env+0x2a8/0x1160 [ 28.482302][ T85] bus_probe_device+0x1e4/0x290 [ 28.487143][ T85] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.493056][ T85] device_add+0xae6/0x16f0 [ 28.502274][ T85] ? uevent_store+0x50/0x50 [ 28.506768][ T85] usb_new_device.cold+0x6a4/0xe79 [ 28.511867][ T85] hub_event+0x1b5c/0x3640 [ 28.516269][ T85] ? hub_port_debounce+0x260/0x260 [ 28.521368][ T85] process_one_work+0x92b/0x1530 [ 28.526294][ T85] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.531657][ T85] ? do_raw_spin_lock+0x11a/0x280 [ 28.536760][ T85] worker_thread+0x96/0xe20 [ 28.541254][ T85] ? process_one_work+0x1530/0x1530 [ 28.546437][ T85] kthread+0x318/0x420 [ 28.550506][ T85] ? kthread_create_on_node+0xf0/0xf0 [ 28.555895][ T85] ret_from_fork+0x24/0x30 [ 28.560293][ T85] Modules linked in: [ 28.564311][ T85] ---[ end tra