Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. [ 130.036440][ T6053] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) [ 130.036485][ T6053] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 130.057196][ T6053] vhci_hcd vhci_hcd.0: Device attached [ 130.303140][ T9] usb 33-1: new high-speed USB device number 2 using vhci_hcd [ 130.443088][ T9] usb 33-1: SetAddress Request (2) to port 0 [ 130.465032][ T9] usb 33-1: New USB device found, idVendor=3412, idProduct=7856, bcdDevice= 1.00 [ 130.477946][ T9] usb 33-1: config 1 interface 0 altsetting 1 bulk endpoint 0x1 has invalid maxpacket 64 [ 130.480092][ T9] usb 33-1: config 1 interface 0 altsetting 1 bulk endpoint 0x82 has invalid maxpacket 64 [ 130.481673][ T9] usb 33-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 131.083466][ ** replaying previous printk message ** [ 131.083466][ T9] BUG: scheduling while atomic: kworker/0:0/9/0x00010001 [ 131.083512][ T9] locks held by kworker/0:0/9: 7, on CPU#0: [ 131.083572][ T9] #0: ffff888023287940 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1466/0x1b10 [ 131.083700][ T9] #1: ffffc900000e7d08 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0xa2c/0x1b10 [ 131.083828][ T9] #2: ffff88802c0c21d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x1bb/0x4420 [ 131.083946][ T9] #3: ffff888023ae91d8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0 [ 131.084053][ T9] #4: ffff8880348291a0 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0 [ 131.084577][ T9] #5: ffffffff90bc96c0 (register_mutex#6){+.+.}-{4:4}, at: usb_audio_probe+0x385/0x3b10 [ 131.084681][ T9] #6: ffff8880268bc160 (&rmidi->open_mutex){+.+.}-{4:4}, at: rawmidi_release_priv+0x45/0x280 [ 131.084791][ T9] Modules linked in: [ 131.084808][ T9] Preemption disabled at: [ 131.084817][ T9] [] __mutex_lock+0x17b/0x1bc0 [ 131.084876][ T9] Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ... [ 131.194338][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 131.203462][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 131.213518][ T9] Workqueue: usb_hub_wq hub_event [ 131.218737][ T9] Call Trace: [ 131.222007][ T9] [ 131.224926][ T9] dump_stack_lvl+0x100/0x190 [ 131.229729][ T9] vpanic+0x553/0x970 [ 131.233829][ T9] ? __pfx_vpanic+0x10/0x10 [ 131.238335][ T9] ? __pfx_vprintk_emit+0x10/0x10 [ 131.243372][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.249055][ T9] panic+0xd1/0xe0 [ 131.252775][ T9] ? __pfx_panic+0x10/0x10 [ 131.257196][ T9] ? __pfx_print_modules+0x10/0x10 [ 131.262320][ T9] ? rawmidi_release_priv+0x45/0x280 [ 131.267621][ T9] ? __mutex_lock+0x17b/0x1bc0 [ 131.272387][ T9] check_panic_on_warn.cold+0x19/0x34 [ 131.277803][ T9] ? __mutex_lock+0x17b/0x1bc0 [ 131.282574][ T9] __schedule_bug.cold+0xc4/0xf4 [ 131.287532][ T9] __schedule+0x4066/0x6920 [ 131.292053][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.297690][ T9] ? lock_acquire+0x1d1/0x380 [ 131.302386][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.308023][ T9] ? find_held_lock+0x2b/0x80 [ 131.312711][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.318346][ T9] ? mark_held_locks+0x40/0x70 [ 131.323123][ T9] ? _raw_spin_unlock_irq+0x23/0x50 [ 131.328337][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.333972][ T9] ? lockdep_hardirqs_on+0x7d/0x110 [ 131.339195][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.344842][ T9] ? _raw_spin_unlock_irq+0x2e/0x50 [ 131.350043][ T9] ? __pfx___schedule+0x10/0x10 [ 131.354956][ T9] ? find_held_lock+0x2b/0x80 [ 131.359898][ T9] ? schedule+0x225/0x2c0 [ 131.364221][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.369866][ T9] schedule+0xdd/0x2c0 [ 131.373931][ T9] schedule_timeout+0x127/0x280 [ 131.378799][ T9] ? __pfx_schedule_timeout+0x10/0x10 [ 131.384210][ T9] ? __pfx_process_timeout+0x10/0x10 [ 131.389526][ T9] drain_urb_queue.part.0+0x303/0x470 [ 131.394929][ T9] ? __pfx_drain_urb_queue.part.0+0x10/0x10 [ 131.400874][ T9] ? __pfx_autoremove_wake_function+0x10/0x10 [ 131.406953][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.412594][ T9] ? do_raw_spin_lock+0x128/0x260 [ 131.417628][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.423270][ T9] ? __pfx_snd_ump_rawmidi_drain+0x10/0x10 [ 131.429108][ T9] snd_usb_midi_v2_drain+0x79/0xb0 [ 131.434232][ T9] ? __pfx_snd_usb_midi_v2_drain+0x10/0x10 [ 131.440047][ T9] snd_ump_rawmidi_drain+0x85/0xb0 [ 131.445180][ T9] snd_rawmidi_drain_output+0x3b3/0x880 [ 131.450748][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.456386][ T9] ? rcu_is_watching+0x13/0xc0 [ 131.461162][ T9] ? __pfx_snd_rawmidi_drain_output+0x10/0x10 [ 131.467241][ T9] ? rawmidi_release_priv+0x45/0x280 [ 131.472550][ T9] ? _raw_spin_lock_irqsave+0x52/0x60 [ 131.477943][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.483582][ T9] ? __pfx___mutex_lock+0x10/0x10 [ 131.488619][ T9] close_substream.part.0+0x3eb/0x860 [ 131.494002][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.499733][ T9] ? __pfx_close_substream.part.0+0x10/0x10 [ 131.505644][ T9] ? __pfx_autoremove_wake_function+0x10/0x10 [ 131.511728][ T9] rawmidi_release_priv+0x210/0x280 [ 131.516943][ T9] snd_rawmidi_kernel_release+0x3a/0xd0 [ 131.522508][ T9] snd_ump_parse_endpoint+0x15f/0xb00 [ 131.527907][ T9] ? preempt_schedule_thunk+0x16/0x40 [ 131.533285][ T9] ? __pfx_snd_ump_parse_endpoint+0x10/0x10 [ 131.539194][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.544839][ T9] ? preempt_schedule_thunk+0x16/0x40 [ 131.550320][ T9] snd_usb_midi_v2_create+0x1b97/0x4070 [ 131.555913][ T9] ? lockdep_init_map_type+0x5c/0x250 [ 131.561374][ T9] ? __pfx_snd_usb_midi_v2_create+0x10/0x10 [ 131.567306][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.572950][ T9] ? snd_info_create_entry+0x314/0x400 [ 131.578416][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.584059][ T9] snd_usb_create_quirk+0xad/0xf0 [ 131.589098][ T9] usb_audio_probe+0x96e/0x3b10 [ 131.593984][ T9] ? __pfx_usb_audio_probe+0x10/0x10 [ 131.599273][ T9] ? do_raw_spin_lock+0x128/0x260 [ 131.604302][ T9] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 131.609675][ T9] ? mark_held_locks+0x40/0x70 [ 131.614452][ T9] ? _raw_spin_lock_irqsave+0x52/0x60 [ 131.619820][ T9] ? find_held_lock+0x2b/0x80 [ 131.624502][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.630139][ T9] ? mark_held_locks+0x40/0x70 [ 131.634926][ T9] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 131.640739][ T9] usb_probe_interface+0x386/0x9b0 [ 131.646045][ T9] ? __pfx_usb_probe_interface+0x10/0x10 [ 131.651696][ T9] ? kernfs_put+0x3f/0x60 [ 131.656034][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.661675][ T9] ? sysfs_create_link+0x68/0xc0 [ 131.666633][ T9] ? __pfx_usb_probe_interface+0x10/0x10 [ 131.672290][ T9] really_probe+0x241/0xa60 [ 131.676805][ T9] __driver_probe_device+0x210/0x460 [ 131.682095][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.687743][ T9] driver_probe_device+0x4a/0x140 [ 131.692775][ T9] __device_attach_driver+0x1df/0x320 [ 131.698167][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 131.704064][ T9] bus_for_each_drv+0x159/0x1e0 [ 131.708945][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 131.714415][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.720053][ T9] ? lockdep_hardirqs_on+0x7d/0x110 [ 131.725601][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.731311][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 131.737127][ T9] __device_attach+0x1e4/0x4d0 [ 131.741951][ T9] ? __pfx___device_attach+0x10/0x10 [ 131.747249][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.752899][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 131.758101][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.763742][ T9] device_initial_probe+0xaf/0xd0 [ 131.768768][ T9] bus_probe_device+0x64/0x160 [ 131.773560][ T9] device_add+0x121d/0x1970 [ 131.778070][ T9] ? __pfx_device_add+0x10/0x10 [ 131.782919][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.788553][ T9] ? mark_held_locks+0x40/0x70 [ 131.793332][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.798967][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.804609][ T9] usb_set_configuration+0xd97/0x1c60 [ 131.810009][ T9] ? __pfx_usb_generic_driver_probe+0x10/0x10 [ 131.816073][ T9] usb_generic_driver_probe+0xa1/0xe0 [ 131.821472][ T9] usb_probe_device+0xef/0x400 [ 131.826269][ T9] ? __pfx_usb_probe_device+0x10/0x10 [ 131.831693][ T9] really_probe+0x241/0xa60 [ 131.836206][ T9] __driver_probe_device+0x210/0x460 [ 131.841493][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.847155][ T9] driver_probe_device+0x4a/0x140 [ 131.852184][ T9] __device_attach_driver+0x1df/0x320 [ 131.857580][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 131.863560][ T9] bus_for_each_drv+0x159/0x1e0 [ 131.868447][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 131.873830][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.879465][ T9] ? lockdep_hardirqs_on+0x7d/0x110 [ 131.884666][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.890299][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 131.896110][ T9] __device_attach+0x1e4/0x4d0 [ 131.900875][ T9] ? __pfx___device_attach+0x10/0x10 [ 131.906165][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.911800][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 131.917001][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.922648][ T9] device_initial_probe+0xaf/0xd0 [ 131.927802][ T9] bus_probe_device+0x64/0x160 [ 131.932596][ T9] device_add+0x121d/0x1970 [ 131.937125][ T9] ? __pfx_device_add+0x10/0x10 [ 131.941975][ T9] ? usb_detect_static_quirks+0x335/0x3e0 [ 131.947714][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.953363][ T9] usb_new_device.part.0+0xcc2/0x1686 [ 131.958775][ T9] ? do_raw_spin_lock+0x128/0x260 [ 131.963804][ T9] ? __pfx_usb_new_device.part.0+0x10/0x10 [ 131.969642][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.975280][ T9] ? mark_held_locks+0x40/0x70 [ 131.980056][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 131.985698][ T9] hub_event.cold+0x1e3/0xe90 [ 131.990416][ T9] ? __pfx_hub_event+0x10/0x10 [ 131.995189][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.000849][ T9] ? trace_contention_end+0x100/0x1a0 [ 132.006233][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.011875][ T9] ? lock_acquire+0x1d1/0x380 [ 132.016575][ T9] ? process_one_work+0xa2c/0x1b10 [ 132.021717][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.027418][ T9] ? process_one_work+0x906/0x1b10 [ 132.032650][ T9] ? process_one_work+0x906/0x1b10 [ 132.037782][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.043463][ T9] process_one_work+0xac7/0x1b10 [ 132.048439][ T9] ? __pfx_process_one_work+0x10/0x10 [ 132.053829][ T9] ? lock_acquire+0x1d1/0x380 [ 132.058542][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.064191][ T9] worker_thread+0x5ef/0xe50 [ 132.068814][ T9] ? kthread+0x13a/0x450 [ 132.073089][ T9] ? __pfx_worker_thread+0x10/0x10 [ 132.078230][ T9] kthread+0x373/0x450 [ 132.082322][ T9] ? __pfx_kthread+0x10/0x10 [ 132.086951][ T9] ret_from_fork+0x730/0xd60 [ 132.091554][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 132.096676][ T9] ? srso_alias_return_thunk+0x5/0xfbef5 [ 132.102443][ T9] ? __switch_to+0x800/0x10f0 [ 132.107142][ T9] ? __switch_to_asm+0x39/0x70 [ 132.111937][ T9] ? __pfx_kthread+0x10/0x10 [ 132.116557][ T9] ret_from_fork_asm+0x1a/0x30 [ 132.121386][ T9] [ 132.124692][ T9] Kernel Offset: disabled [ 132.129025][ T9] Rebooting in 86400 seconds..