[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 15.665700][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts. 2019/05/15 08:00:41 parsed 1 programs 2019/05/15 08:00:44 executed programs: 0 syzkaller login: [ 62.226173][ T4621] e cgroup1: Unknown subsys name 'perf_event' [ 62.230483][ T4622] e cgroup1: Unknown subsys name 'perf_event' [ 62.234106][ T4624] e cgroup1: Unknown subsys name 'perf_event' [ 62.240741][ T4622] e cgroup1: Unknown subsys name 'net_cls' [ 62.245780][ T4621] e cgroup1: Unknown subsys name 'net_cls' [ 62.258356][ T4626] e cgroup1: Unknown subsys name 'perf_event' [ 62.265941][ T4628] e cgroup1: Unknown subsys name 'perf_event' [ 62.273006][ T4624] e cgroup1: Unknown subsys name 'net_cls' [ 62.273802][ T4626] e cgroup1: Unknown subsys name 'net_cls' [ 62.284533][ T4628] e cgroup1: Unknown subsys name 'net_cls' [ 62.299935][ T4630] e cgroup1: Unknown subsys name 'perf_event' [ 62.333486][ T4630] e cgroup1: Unknown subsys name 'net_cls' [ 65.599511][ T23] usb 6-1: new low-speed USB device number 2 using dummy_hcd [ 65.679281][ T5] usb 5-1: new low-speed USB device number 2 using dummy_hcd [ 65.686796][ T4893] usb 4-1: new low-speed USB device number 2 using dummy_hcd [ 65.699274][ T12] usb 2-1: new low-speed USB device number 2 using dummy_hcd [ 65.749270][ T2490] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 65.779269][ T5623] usb 3-1: new low-speed USB device number 2 using dummy_hcd [ 65.969517][ T23] usb 6-1: config 0 interface 0 has no altsetting 0 [ 65.976367][ T23] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 65.985476][ T23] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.995728][ T23] usb 6-1: config 0 descriptor?? [ 66.042620][ T23] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 66.059588][ T4893] usb 4-1: config 0 interface 0 has no altsetting 0 [ 66.066292][ T4893] usb 4-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 66.075471][ T4893] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.083646][ T5] usb 5-1: config 0 interface 0 has no altsetting 0 [ 66.090392][ T5] usb 5-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 66.099555][ T5] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.107636][ T12] usb 2-1: config 0 interface 0 has no altsetting 0 [ 66.109400][ T2490] usb 1-1: config 0 interface 0 has no altsetting 0 [ 66.114300][ T12] usb 2-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 66.121035][ T2490] usb 1-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 66.130003][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.135247][ T5] usb 5-1: config 0 descriptor?? [ 66.139058][ T2490] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.161311][ T4893] usb 4-1: config 0 descriptor?? [ 66.167566][ T12] usb 2-1: config 0 descriptor?? [ 66.173115][ T2490] usb 1-1: config 0 descriptor?? [ 66.179411][ T5623] usb 3-1: config 0 interface 0 has no altsetting 0 [ 66.186063][ T5623] usb 3-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 66.195247][ T5623] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 66.204584][ T5623] usb 3-1: config 0 descriptor?? [ 66.212024][ T2490] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 found [ 66.212041][ T4893] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 found [ 66.228060][ T12] snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 found [ 66.235193][ T23] snd_usb_toneport 6-1:0.0: set_interface failed [ 66.237918][ T5] snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 found [ 66.247750][ T23] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now disconnected [ 66.262021][ T5623] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 found [ 66.288365][ T23] snd_usb_toneport: probe of 6-1:0.0 failed with error -71 [ 66.298349][ T23] usb 6-1: USB disconnect, device number 2 [ 66.389552][ T4893] snd_usb_toneport 4-1:0.0: set_interface failed [ 66.396143][ T4893] snd_usb_toneport 4-1:0.0: Line 6 POD Studio UX2 now disconnected [ 66.406027][ T4893] ================================================================== [ 66.414292][ T4893] BUG: KASAN: use-after-free in __list_del_entry_valid+0x15e/0x170 [ 66.414312][ T4893] Read of size 8 at addr ffff8881c9c3eea8 by task kworker/0:2/4893 [ 66.414315][ T4893] [ 66.414335][ T4893] CPU: 0 PID: 4893 Comm: kworker/0:2 Not tainted 5.1.0-rc3+ #8 [ 66.422784][ T2490] snd_usb_toneport 1-1:0.0: set_interface failed [ 66.430284][ T4893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.430301][ T4893] Workqueue: usb_hub_wq hub_event [ 66.430309][ T4893] Call Trace: [ 66.430334][ T4893] dump_stack+0xca/0x13e [ 66.430348][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 66.430366][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 66.433486][ T2490] snd_usb_toneport 1-1:0.0: Line 6 POD Studio UX2 now disconnected [ 66.440240][ T4893] print_address_description+0x67/0x231 [ 66.440255][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 66.440266][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 66.440278][ T4893] kasan_report.cold+0x1a/0x35 [ 66.440289][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 66.440299][ T4893] __list_del_entry_valid+0x15e/0x170 [ 66.440312][ T4893] snd_info_free_entry+0x132/0x340 [ 66.440331][ T4893] snd_info_card_free+0x3e/0x80 [ 66.440343][ T4893] ? line6_write_data+0x2d0/0x2d0 [ 66.440353][ T4893] release_card_device+0x63/0xd0 [ 66.440362][ T4893] ? card_id_show_attr+0x30/0x30 [ 66.440373][ T4893] device_release+0x78/0x210 [ 66.440390][ T4893] ? dev_attr_show+0xa0/0xa0 [ 66.453660][ T2490] snd_usb_toneport: probe of 1-1:0.0 failed with error -71 [ 66.456786][ T4893] kobject_put+0x17d/0x270 [ 66.456799][ T4893] put_device+0x1c/0x30 [ 66.456813][ T4893] snd_card_free_when_closed+0x35/0x50 [ 66.456826][ T4893] line6_disconnect.cold+0xa3/0xbc [ 66.456846][ T4893] line6_probe+0xb1e/0x1140 [ 66.469404][ T4893] ? line6_toneport_disconnect+0x1a0/0x1a0 [ 66.475950][ T2490] usb 1-1: USB disconnect, device number 2 [ 66.480603][ T4893] ? line6_disconnect+0x1f0/0x1f0 [ 66.480616][ T4893] ? rpm_callback+0x230/0x230 [ 66.480629][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 66.480641][ T4893] ? __pm_runtime_resume+0x111/0x180 [ 66.480654][ T4893] usb_probe_interface+0x30d/0x7b0 [ 66.480666][ T4893] ? usb_probe_device+0x110/0x110 [ 66.480677][ T4893] really_probe+0x296/0x680 [ 66.480689][ T4893] driver_probe_device+0xf9/0x200 [ 66.480702][ T4893] __device_attach_driver+0x1c4/0x230 [ 66.480720][ T4893] ? driver_allows_async_probing+0x160/0x160 [ 66.540693][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 66.654937][ T4893] ? bus_rescan_devices+0x20/0x20 [ 66.659957][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 66.665769][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 66.671134][ T4893] __device_attach+0x21e/0x360 [ 66.675908][ T4893] ? device_bind_driver+0xd0/0xd0 [ 66.680923][ T4893] bus_probe_device+0x1ec/0x2a0 [ 66.685802][ T4893] ? blocking_notifier_call_chain+0x54/0xa0 [ 66.691688][ T4893] device_add+0xaf4/0x1700 [ 66.696097][ T4893] ? uevent_store+0x50/0x50 [ 66.700596][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 66.706410][ T4893] usb_set_configuration+0xdf2/0x1670 [ 66.711794][ T4893] generic_probe+0x9d/0xd5 [ 66.716208][ T4893] usb_probe_device+0xa8/0x110 [ 66.720974][ T4893] ? usb_suspend+0x620/0x620 [ 66.725571][ T4893] really_probe+0x296/0x680 [ 66.730074][ T4893] driver_probe_device+0xf9/0x200 [ 66.730089][ T4893] __device_attach_driver+0x1c4/0x230 [ 66.730103][ T4893] ? driver_allows_async_probing+0x160/0x160 [ 66.730113][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 66.730125][ T4893] ? bus_rescan_devices+0x20/0x20 [ 66.730138][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 66.730151][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 66.730169][ T4893] __device_attach+0x21e/0x360 [ 66.730180][ T4893] ? device_bind_driver+0xd0/0xd0 [ 66.730191][ T4893] bus_probe_device+0x1ec/0x2a0 [ 66.740695][ T4893] ? blocking_notifier_call_chain+0x54/0xa0 [ 66.751603][ T4893] device_add+0xaf4/0x1700 [ 66.751617][ T4893] ? uevent_store+0x50/0x50 [ 66.751629][ T4893] usb_new_device.cold+0x8b8/0x1030 [ 66.751640][ T4893] ? usb_port_suspend+0xa40/0xa40 [ 66.751660][ T4893] ? mark_held_locks+0x9f/0xe0 [ 66.751674][ T4893] ? _raw_spin_unlock_irq+0x24/0x30 [ 66.762593][ T4893] hub_event+0x1ac9/0x35a0 [ 66.762610][ T4893] ? hub_port_debounce+0x260/0x260 [ 66.762626][ T4893] process_one_work+0x90a/0x1580 [ 66.832417][ T4893] ? wq_pool_ids_show+0x300/0x300 [ 66.837440][ T4893] ? do_raw_spin_lock+0x11a/0x280 [ 66.842473][ T4893] worker_thread+0x96/0xe20 [ 66.846967][ T4893] ? process_one_work+0x1580/0x1580 [ 66.852151][ T4893] kthread+0x30e/0x420 [ 66.856209][ T4893] ? kthread_park+0x1a0/0x1a0 [ 66.860893][ T4893] ret_from_fork+0x3a/0x50 [ 66.865352][ T4893] [ 66.867669][ T4893] Allocated by task 23: [ 66.871924][ T4893] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 66.877543][ T4893] snd_info_create_entry+0x51/0x400 [ 66.882731][ T4893] create_subdir+0x22/0xa0 [ 66.887134][ T4893] snd_info_card_create+0xca/0x230 [ 66.892245][ T4893] snd_card_new+0x618/0x920 [ 66.896764][ T4893] line6_probe+0x130/0x1140 [ 66.901367][ T4893] usb_probe_interface+0x30d/0x7b0 [ 66.906494][ T4893] really_probe+0x296/0x680 [ 66.906506][ T4893] driver_probe_device+0xf9/0x200 [ 66.906524][ T4893] __device_attach_driver+0x1c4/0x230 [ 66.916067][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 66.926283][ T4893] __device_attach+0x21e/0x360 [ 66.926296][ T4893] bus_probe_device+0x1ec/0x2a0 [ 66.926307][ T4893] device_add+0xaf4/0x1700 [ 66.926327][ T4893] usb_set_configuration+0xdf2/0x1670 [ 66.926346][ T4893] generic_probe+0x9d/0xd5 [ 66.935973][ T4893] usb_probe_device+0xa8/0x110 [ 66.955060][ T4893] really_probe+0x296/0x680 [ 66.959571][ T4893] driver_probe_device+0xf9/0x200 [ 66.964629][ T4893] __device_attach_driver+0x1c4/0x230 [ 66.970079][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 66.974915][ T4893] __device_attach+0x21e/0x360 [ 66.979666][ T4893] bus_probe_device+0x1ec/0x2a0 [ 66.984534][ T4893] device_add+0xaf4/0x1700 [ 66.988950][ T4893] usb_new_device.cold+0x8b8/0x1030 [ 66.994332][ T4893] hub_event+0x1ac9/0x35a0 [ 66.998872][ T4893] process_one_work+0x90a/0x1580 [ 67.003828][ T4893] worker_thread+0x96/0xe20 [ 67.008346][ T4893] kthread+0x30e/0x420 [ 67.012425][ T4893] ret_from_fork+0x3a/0x50 [ 67.017186][ T4893] [ 67.019533][ T4893] Freed by task 23: [ 67.023434][ T4893] __kasan_slab_free+0x130/0x180 [ 67.028361][ T4893] kfree+0xd7/0x290 [ 67.029298][ T23] usb 6-1: new low-speed USB device number 3 using dummy_hcd [ 67.032168][ T4893] snd_info_free_entry+0x295/0x340 [ 67.032179][ T4893] snd_info_card_free+0x3e/0x80 [ 67.032190][ T4893] release_card_device+0x63/0xd0 [ 67.032202][ T4893] device_release+0x78/0x210 [ 67.032215][ T4893] kobject_put+0x17d/0x270 [ 67.032242][ T4893] put_device+0x1c/0x30 [ 67.067944][ T4893] snd_card_free_when_closed+0x35/0x50 [ 67.073626][ T4893] line6_disconnect.cold+0xa3/0xbc [ 67.078745][ T4893] line6_probe+0xb1e/0x1140 [ 67.083240][ T4893] usb_probe_interface+0x30d/0x7b0 [ 67.088343][ T4893] really_probe+0x296/0x680 [ 67.092833][ T4893] driver_probe_device+0xf9/0x200 [ 67.097847][ T4893] __device_attach_driver+0x1c4/0x230 [ 67.103212][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 67.108069][ T4893] __device_attach+0x21e/0x360 [ 67.112829][ T4893] bus_probe_device+0x1ec/0x2a0 [ 67.117671][ T4893] device_add+0xaf4/0x1700 [ 67.122075][ T4893] usb_set_configuration+0xdf2/0x1670 [ 67.127432][ T4893] generic_probe+0x9d/0xd5 [ 67.131838][ T4893] usb_probe_device+0xa8/0x110 [ 67.136600][ T4893] really_probe+0x296/0x680 [ 67.141088][ T4893] driver_probe_device+0xf9/0x200 [ 67.146096][ T4893] __device_attach_driver+0x1c4/0x230 [ 67.151456][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 67.156293][ T4893] __device_attach+0x21e/0x360 [ 67.161064][ T4893] bus_probe_device+0x1ec/0x2a0 [ 67.165920][ T4893] device_add+0xaf4/0x1700 [ 67.170338][ T4893] usb_new_device.cold+0x8b8/0x1030 [ 67.175559][ T4893] hub_event+0x1ac9/0x35a0 [ 67.179964][ T4893] process_one_work+0x90a/0x1580 [ 67.184891][ T4893] worker_thread+0x96/0xe20 [ 67.189406][ T4893] kthread+0x30e/0x420 [ 67.193490][ T4893] ret_from_fork+0x3a/0x50 [ 67.197888][ T4893] [ 67.200200][ T4893] The buggy address belongs to the object at ffff8881c9c3edc0 [ 67.200200][ T4893] which belongs to the cache kmalloc-256 of size 256 [ 67.214270][ T4893] The buggy address is located 232 bytes inside of [ 67.214270][ T4893] 256-byte region [ffff8881c9c3edc0, ffff8881c9c3eec0) [ 67.227528][ T4893] The buggy address belongs to the page: [ 67.233169][ T4893] page:ffffea0007270f80 count:1 mapcount:0 mapping:ffff8881dac02e00 index:0x0 [ 67.242028][ T4893] flags: 0x200000000000200(slab) [ 67.246970][ T4893] raw: 0200000000000200 dead000000000100 dead000000000200 ffff8881dac02e00 [ 67.255543][ T4893] raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 [ 67.264121][ T4893] page dumped because: kasan: bad access detected [ 67.264125][ T4893] [ 67.264128][ T4893] Memory state around the buggy address: [ 67.264147][ T4893] ffff8881c9c3ed80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 67.264157][ T4893] ffff8881c9c3ee00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.278697][ T4893] >ffff8881c9c3ee80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 67.294836][ T4893] ^ [ 67.308360][ T4893] ffff8881c9c3ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 67.316438][ T4893] ffff8881c9c3ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 67.316600][ T5623] snd_usb_toneport 3-1:0.0: set_interface failed [ 67.324527][ T4893] ================================================================== [ 67.324532][ T4893] Disabling lock debugging due to kernel taint [ 67.324605][ C0] dummy_hcd dummy_hcd.4: no ep configured for urb 000000008bfa61ab [ 67.324657][ C0] dummy_hcd dummy_hcd.1: no ep configured for urb 00000000d8513f33 [ 67.331799][ T5623] snd_usb_toneport 3-1:0.0: Line 6 POD Studio UX2 now disconnected [ 67.339494][ T4893] Kernel panic - not syncing: panic_on_warn set ... [ 67.346950][ T5623] snd_usb_toneport: probe of 3-1:0.0 failed with error -71 [ 67.353254][ T4893] CPU: 0 PID: 4893 Comm: kworker/0:2 Tainted: G B 5.1.0-rc3+ #8 [ 67.353261][ T4893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.353276][ T4893] Workqueue: usb_hub_wq hub_event [ 67.353281][ T4893] Call Trace: [ 67.353299][ T4893] dump_stack+0xca/0x13e [ 67.353312][ T4893] panic+0x292/0x5e1 [ 67.353328][ T4893] ? __warn_printk+0xf3/0xf3 [ 67.353340][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 67.353352][ T4893] ? trace_hardirqs_on+0x55/0x1c0 [ 67.353362][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 67.353374][ T4893] end_report+0x43/0x49 [ 67.353385][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 67.353403][ T4893] kasan_report.cold+0xd/0x35 [ 67.365149][ T5623] dummy_hcd dummy_hcd.2: port status 0x00010100 has changes [ 67.369300][ T4893] ? __list_del_entry_valid+0x15e/0x170 [ 67.376844][ T5623] usb 3-1: USB disconnect, device number 2 [ 67.383253][ T4893] __list_del_entry_valid+0x15e/0x170 [ 67.383269][ T4893] snd_info_free_entry+0x132/0x340 [ 67.383280][ T4893] snd_info_card_free+0x3e/0x80 [ 67.383291][ T4893] ? line6_write_data+0x2d0/0x2d0 [ 67.383301][ T4893] release_card_device+0x63/0xd0 [ 67.383310][ T4893] ? card_id_show_attr+0x30/0x30 [ 67.383328][ T4893] device_release+0x78/0x210 [ 67.383346][ T4893] ? dev_attr_show+0xa0/0xa0 [ 67.397925][ T5600] udc dummy_udc.4: registering UDC driver [USB fuzzer] [ 67.402349][ T4893] kobject_put+0x17d/0x270 [ 67.402362][ T4893] put_device+0x1c/0x30 [ 67.402374][ T4893] snd_card_free_when_closed+0x35/0x50 [ 67.402386][ T4893] line6_disconnect.cold+0xa3/0xbc [ 67.402395][ T4893] line6_probe+0xb1e/0x1140 [ 67.402407][ T4893] ? line6_toneport_disconnect+0x1a0/0x1a0 [ 67.402426][ T4893] ? line6_disconnect+0x1f0/0x1f0 [ 67.408327][ T5600] dummy_hcd dummy_hcd.4: port status 0x00010101 has changes [ 67.410741][ T4893] ? rpm_callback+0x230/0x230 [ 67.415444][ T23] usb 6-1: config 0 interface 0 has no altsetting 0 [ 67.418869][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 67.418883][ T4893] ? __pm_runtime_resume+0x111/0x180 [ 67.418897][ T4893] usb_probe_interface+0x30d/0x7b0 [ 67.418910][ T4893] ? usb_probe_device+0x110/0x110 [ 67.418929][ T4893] really_probe+0x296/0x680 [ 67.423549][ T23] usb 6-1: New USB device found, idVendor=0e41, idProduct=4151, bcdDevice=7a.8f [ 67.429047][ T4893] driver_probe_device+0xf9/0x200 [ 67.434111][ T23] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 67.439597][ T4893] __device_attach_driver+0x1c4/0x230 [ 67.439611][ T4893] ? driver_allows_async_probing+0x160/0x160 [ 67.439628][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 67.445607][ T5601] udc dummy_udc.3: registering UDC driver [USB fuzzer] [ 67.449326][ T4893] ? bus_rescan_devices+0x20/0x20 [ 67.449341][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 67.449354][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 67.449372][ T4893] __device_attach+0x21e/0x360 [ 67.455942][ T5601] dummy_hcd dummy_hcd.3: port status 0x00010101 has changes [ 67.461360][ T4893] ? device_bind_driver+0xd0/0xd0 [ 67.474218][ T23] usb 6-1: config 0 descriptor?? [ 67.478509][ T4893] bus_probe_device+0x1ec/0x2a0 [ 67.478524][ T4893] ? blocking_notifier_call_chain+0x54/0xa0 [ 67.478533][ T4893] device_add+0xaf4/0x1700 [ 67.478550][ T4893] ? uevent_store+0x50/0x50 [ 67.523981][ T23] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 found [ 67.527835][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 67.527851][ T4893] usb_set_configuration+0xdf2/0x1670 [ 67.527864][ T4893] generic_probe+0x9d/0xd5 [ 67.527883][ T4893] usb_probe_device+0xa8/0x110 [ 67.589488][ T5623] usb usb3: dummy_bus_suspend [ 67.593020][ T4893] ? usb_suspend+0x620/0x620 [ 67.593033][ T4893] really_probe+0x296/0x680 [ 67.593052][ T4893] driver_probe_device+0xf9/0x200 [ 67.619324][ T2490] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 67.619519][ T4893] __device_attach_driver+0x1c4/0x230 [ 67.689252][ T2490] usb 1-1: new low-speed USB device number 3 using dummy_hcd [ 67.691296][ T4893] ? driver_allows_async_probing+0x160/0x160 [ 67.691308][ T4893] bus_for_each_drv+0x15e/0x1e0 [ 67.691327][ T4893] ? bus_rescan_devices+0x20/0x20 [ 67.691348][ T4893] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 67.699766][ T5573] usb-fuzzer-gadget dummy_udc.5: unregistering UDC driver [USB fuzzer] [ 67.701660][ T4893] ? lockdep_hardirqs_on+0x379/0x580 [ 67.708727][ T5573] dummy_hcd dummy_hcd.5: port status 0x00010100 has changes [ 67.714508][ T4893] __device_attach+0x21e/0x360 [ 67.719986][ C1] dummy_hcd dummy_hcd.5: no ep configured for urb 00000000288df23e [ 67.724282][ T4893] ? device_bind_driver+0xd0/0xd0 [ 67.731965][ T23] snd_usb_toneport 6-1:0.0: set_interface failed [ 67.733706][ T4893] bus_probe_device+0x1ec/0x2a0 [ 67.733720][ T4893] ? blocking_notifier_call_chain+0x54/0xa0 [ 67.733737][ T4893] device_add+0xaf4/0x1700 [ 67.738475][ T23] snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now disconnected [ 67.742828][ T4893] ? uevent_store+0x50/0x50 [ 67.742840][ T4893] usb_new_device.cold+0x8b8/0x1030 [ 67.742849][ T4893] ? usb_port_suspend+0xa40/0xa40 [ 67.742859][ T4893] ? mark_held_locks+0x9f/0xe0 [ 67.742873][ T4893] ? _raw_spin_unlock_irq+0x24/0x30 [ 67.742883][ T4893] hub_event+0x1ac9/0x35a0 [ 67.742893][ T4893] ? hub_port_debounce+0x260/0x260 [ 67.742907][ T4893] process_one_work+0x90a/0x1580 [ 67.742919][ T4893] ? wq_pool_ids_show+0x300/0x300 [ 67.742931][ T4893] ? do_raw_spin_lock+0x11a/0x280 [ 67.742942][ T4893] worker_thread+0x96/0xe20 [ 67.742953][ T4893] ? process_one_work+0x1580/0x1580 [ 67.742972][ T4893] kthread+0x30e/0x420 [ 67.751086][ T23] snd_usb_toneport: probe of 6-1:0.0 failed with error -71 [ 67.755450][ T4893] ? kthread_park+0x1a0/0x1a0 [ 67.755462][ T4893] ret_from_fork+0x3a/0x50 [ 67.755796][ T4893] Kernel Offset: disabled [ 67.949533][ T4893] Rebooting in 86400 seconds..