Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.994723][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.254604][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 37.394734][ T7] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 31 [ 37.405424][ T7] usb 1-1: New USB device found, idVendor=324b, idProduct=5963, bcdDevice= 0.d2 [ 37.415140][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.429151][ T7] usb 1-1: config 0 descriptor?? [ 37.455344][ T4417] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 37.488526][ T7] usb 1-1: MIDIStreaming interface descriptor not found [ 37.496108][ T7] ================================================================================ [ 37.505644][ T7] UBSAN: shift-out-of-bounds in sound/usb/midi.c:1928:8 [ 37.512888][ T7] shift exponent 244 is too large for 32-bit type 'int' [ 37.520376][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.10.0-syzkaller #0 [ 37.528667][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.538871][ T7] Workqueue: usb_hub_wq hub_event [ 37.544059][ T7] Call Trace: [ 37.547611][ T7] dump_stack+0x107/0x163 [ 37.552183][ T7] ubsan_epilogue+0xb/0x5a [ 37.556860][ T7] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 37.563862][ T7] ? ___slab_alloc+0x476/0x790 [ 37.568858][ T7] snd_usbmidi_get_ms_info.cold+0x83/0xd4 [ 37.575248][ T7] __snd_usbmidi_create+0x380/0x2320 [ 37.580566][ T7] ? __mutex_unlock_slowpath+0xe2/0x610 [ 37.586330][ T7] ? snd_usbmidi_input_close+0x40/0x40 [ 37.592047][ T7] ? snd_info_create_entry+0x32d/0x420 [ 37.597580][ T7] snd_usb_create_quirk+0xa5/0xe0 [ 37.602704][ T7] usb_audio_probe+0x678/0x2a90 [ 37.607571][ T7] ? snd_usb_create_stream.isra.0+0x530/0x530 [ 37.613800][ T7] ? mark_held_locks+0x9f/0xe0 [ 37.618594][ T7] ? ktime_get_mono_fast_ns+0x181/0x220 [ 37.624456][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 37.630641][ T7] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 37.636671][ T7] usb_probe_interface+0x315/0x7f0 [ 37.641801][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 37.647198][ T7] really_probe+0x2b1/0xe40 [ 37.652076][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 37.658782][ T7] driver_probe_device+0x285/0x3f0 [ 37.664081][ T7] __device_attach_driver+0x216/0x2d0 [ 37.669882][ T7] ? driver_allows_async_probing+0x170/0x170 [ 37.676063][ T7] bus_for_each_drv+0x15f/0x1e0 [ 37.680932][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 37.686833][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 37.693122][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 37.698382][ T7] __device_attach+0x228/0x4c0 [ 37.703193][ T7] ? __driver_attach_async_helper+0x380/0x380 [ 37.709436][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 37.714840][ T7] bus_probe_device+0x1e4/0x290 [ 37.719984][ T7] device_add+0xbc4/0x1d90 [ 37.724520][ T7] ? wait_for_completion_io+0x270/0x270 [ 37.730101][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 37.736370][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 37.742556][ T7] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 37.748477][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 37.754895][ T7] usb_set_configuration+0x113c/0x1910 [ 37.760387][ T7] usb_generic_driver_probe+0xba/0x100 [ 37.765876][ T7] usb_probe_device+0xd9/0x2c0 [ 37.770733][ T7] ? usb_driver_release_interface+0x180/0x180 [ 37.776830][ T7] really_probe+0x2b1/0xe40 [ 37.781522][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 37.787788][ T7] driver_probe_device+0x285/0x3f0 [ 37.793079][ T7] __device_attach_driver+0x216/0x2d0 [ 37.798606][ T7] ? driver_allows_async_probing+0x170/0x170 [ 37.804680][ T7] bus_for_each_drv+0x15f/0x1e0 [ 37.809648][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 37.814854][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 37.820870][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 37.826169][ T7] __device_attach+0x228/0x4c0 [ 37.831033][ T7] ? __driver_attach_async_helper+0x380/0x380 [ 37.837131][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 37.842449][ T7] bus_probe_device+0x1e4/0x290 [ 37.847329][ T7] device_add+0xbc4/0x1d90 [ 37.851862][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 37.858480][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 37.865049][ T7] usb_new_device.cold+0x725/0x1057 [ 37.870280][ T7] ? hub_disconnect+0x510/0x510 [ 37.875523][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 37.880576][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 37.886733][ T7] hub_event+0x2348/0x42d0 [ 37.891262][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 37.896397][ T7] ? __lock_acquire+0x5d1/0x54a0 [ 37.901448][ T7] ? worker_detach_from_pool+0x20/0x310 [ 37.907284][ T7] ? lock_release+0x6e0/0x6e0 [ 37.912076][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 37.917044][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 37.922097][ T7] process_one_work+0x98d/0x15c0 [ 37.927228][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 37.932699][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 37.937751][ T7] worker_thread+0x64c/0x1120 [ 37.942760][ T7] ? __kthread_parkme+0x118/0x1d0 [ 37.947895][ T7] ? process_one_work+0x15c0/0x15c0 [ 37.953123][ T7] kthread+0x38c/0x460 [ 37.957215][ T7] ? _raw_spin_unlock_irq+0x1f/0x30 [ 37.962753][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 37.968952][ T7] ret_from_fork+0x1f/0x30 [ 37.973703][ T7] ================================================================================ [ 37.983084][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 37.989868][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.10.0-syzkaller #0 [ 37.997848][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 38.008182][ T7] Workqueue: usb_hub_wq hub_event [ 38.013333][ T7] Call Trace: [ 38.016639][ T7] dump_stack+0x107/0x163 [ 38.021032][ T7] panic+0x343/0x77f [ 38.024963][ T7] ? __warn_printk+0xf3/0xf3 [ 38.029595][ T7] ? dump_stack+0x152/0x163 [ 38.034215][ T7] ? ubsan_epilogue+0x3e/0x5a [ 38.038932][ T7] ubsan_epilogue+0x54/0x5a [ 38.043690][ T7] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 38.050548][ T7] ? ___slab_alloc+0x476/0x790 [ 38.055557][ T7] snd_usbmidi_get_ms_info.cold+0x83/0xd4 [ 38.061465][ T7] __snd_usbmidi_create+0x380/0x2320 [ 38.066945][ T7] ? __mutex_unlock_slowpath+0xe2/0x610 [ 38.072646][ T7] ? snd_usbmidi_input_close+0x40/0x40 [ 38.078293][ T7] ? snd_info_create_entry+0x32d/0x420 [ 38.083929][ T7] snd_usb_create_quirk+0xa5/0xe0 [ 38.088993][ T7] usb_audio_probe+0x678/0x2a90 [ 38.093989][ T7] ? snd_usb_create_stream.isra.0+0x530/0x530 [ 38.100218][ T7] ? mark_held_locks+0x9f/0xe0 [ 38.105013][ T7] ? ktime_get_mono_fast_ns+0x181/0x220 [ 38.110742][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.117066][ T7] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 38.123322][ T7] usb_probe_interface+0x315/0x7f0 [ 38.128866][ T7] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 38.134395][ T7] really_probe+0x2b1/0xe40 [ 38.139012][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.145633][ T7] driver_probe_device+0x285/0x3f0 [ 38.150858][ T7] __device_attach_driver+0x216/0x2d0 [ 38.156939][ T7] ? driver_allows_async_probing+0x170/0x170 [ 38.163657][ T7] bus_for_each_drv+0x15f/0x1e0 [ 38.168621][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.173920][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.180735][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.185777][ T7] __device_attach+0x228/0x4c0 [ 38.190930][ T7] ? __driver_attach_async_helper+0x380/0x380 [ 38.197418][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 38.202853][ T7] bus_probe_device+0x1e4/0x290 [ 38.207869][ T7] device_add+0xbc4/0x1d90 [ 38.212668][ T7] ? wait_for_completion_io+0x270/0x270 [ 38.218305][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 38.224625][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.230975][ T7] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 38.237020][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 38.243599][ T7] usb_set_configuration+0x113c/0x1910 [ 38.249205][ T7] usb_generic_driver_probe+0xba/0x100 [ 38.255592][ T7] usb_probe_device+0xd9/0x2c0 [ 38.260829][ T7] ? usb_driver_release_interface+0x180/0x180 [ 38.267202][ T7] really_probe+0x2b1/0xe40 [ 38.272089][ T7] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.278662][ T7] driver_probe_device+0x285/0x3f0 [ 38.283846][ T7] __device_attach_driver+0x216/0x2d0 [ 38.289466][ T7] ? driver_allows_async_probing+0x170/0x170 [ 38.295641][ T7] bus_for_each_drv+0x15f/0x1e0 [ 38.300517][ T7] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.305767][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.311942][ T7] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.317282][ T7] __device_attach+0x228/0x4c0 [ 38.322144][ T7] ? __driver_attach_async_helper+0x380/0x380 [ 38.328390][ T7] ? kobject_uevent_env+0x2bb/0x1680 [ 38.333682][ T7] bus_probe_device+0x1e4/0x290 [ 38.338805][ T7] device_add+0xbc4/0x1d90 [ 38.343238][ T7] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 38.349860][ T7] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 38.356468][ T7] usb_new_device.cold+0x725/0x1057 [ 38.362097][ T7] ? hub_disconnect+0x510/0x510 [ 38.367751][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 38.372985][ T7] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.379116][ T7] hub_event+0x2348/0x42d0 [ 38.383715][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 38.389414][ T7] ? __lock_acquire+0x5d1/0x54a0 [ 38.394746][ T7] ? worker_detach_from_pool+0x20/0x310 [ 38.400312][ T7] ? lock_release+0x6e0/0x6e0 [ 38.405031][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 38.410305][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 38.415600][ T7] process_one_work+0x98d/0x15c0 [ 38.420718][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 38.426261][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 38.431438][ T7] worker_thread+0x64c/0x1120 [ 38.436174][ T7] ? __kthread_parkme+0x118/0x1d0 [ 38.441294][ T7] ? process_one_work+0x15c0/0x15c0 [ 38.446646][ T7] kthread+0x38c/0x460 [ 38.450802][ T7] ? _raw_spin_unlock_irq+0x1f/0x30 [ 38.456293][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 38.462499][ T7] ret_from_fork+0x1f/0x30 [ 38.468238][ T7] Kernel Offset: disabled [ 38.472793][ T7] Rebooting in 86400 seconds..