[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 773.623831][ T30] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 773.634846][ T2619] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 773.645240][ T4410] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 773.654083][ T4386] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 773.655392][ T4415] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 773.661662][ T2204] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 774.144049][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.153606][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.161736][ T30] usb 2-1: Product: syz [ 774.166024][ T30] usb 2-1: Manufacturer: syz [ 774.170699][ T30] usb 2-1: SerialNumber: syz [ 774.175517][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.184622][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.192596][ T2619] usb 6-1: Product: syz [ 774.196891][ T2619] usb 6-1: Manufacturer: syz [ 774.201482][ T2619] usb 6-1: SerialNumber: syz [ 774.206215][ T4410] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.215422][ T4410] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.223459][ T4410] usb 5-1: Product: syz [ 774.228455][ T4410] usb 5-1: Manufacturer: syz [ 774.233052][ T4410] usb 5-1: SerialNumber: syz [ 774.237836][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.246947][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.254980][ T4415] usb 4-1: Product: syz [ 774.259125][ T4415] usb 4-1: Manufacturer: syz [ 774.263769][ T4415] usb 4-1: SerialNumber: syz [ 774.272346][ T30] usb 2-1: config 0 descriptor?? [ 774.282421][ T2619] usb 6-1: config 0 descriptor?? [ 774.288186][ T4410] usb 5-1: config 0 descriptor?? [ 774.294040][ T4386] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.303171][ T4386] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.311344][ T4386] usb 1-1: Product: syz [ 774.315568][ T4386] usb 1-1: Manufacturer: syz [ 774.320167][ T4386] usb 1-1: SerialNumber: syz [ 774.324881][ T2204] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 774.334142][ T2204] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 774.342129][ T2204] usb 3-1: Product: syz [ 774.346357][ T2204] usb 3-1: Manufacturer: syz [ 774.350957][ T2204] usb 3-1: SerialNumber: syz [ 774.357665][ T4415] usb 4-1: config 0 descriptor?? [ 774.360114][ T2204] usb 3-1: config 0 descriptor?? [ 774.368274][ T4386] usb 1-1: config 0 descriptor?? [ 774.565911][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 774.579926][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 774.587976][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 774.595579][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 774.603990][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 774.614074][ T2619] Workqueue: usb_hub_wq hub_event [ 774.619098][ T2619] Call Trace: [ 774.623066][ T2619] dump_stack+0x107/0x163 [ 774.627376][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 774.632294][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 774.637744][ T2619] sysfs_create_link+0x5f/0xc0 [ 774.642649][ T2619] device_add+0x79a/0x1ce0 [ 774.647048][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 774.652571][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 774.657942][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 774.663307][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 774.668234][ T2619] tty_register_device_attr+0x395/0x7b0 [ 774.673821][ T2619] ? put_tty_driver+0xa0/0xa0 [ 774.678540][ T2619] ? mark_held_locks+0x9f/0xe0 [ 774.683307][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 774.689276][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 774.695330][ T2619] hso_serial_common_create+0x124/0x8b0 [ 774.700857][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 774.706122][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 774.711931][ T2619] hso_probe+0xef9/0x1f70 [ 774.716300][ T2619] usb_probe_interface+0x315/0x7f0 [ 774.721399][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 774.726757][ T2619] really_probe+0x291/0xde0 [ 774.731244][ T2619] driver_probe_device+0x26b/0x3d0 [ 774.736386][ T2619] __device_attach_driver+0x1d1/0x290 [ 774.741800][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 774.747769][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 774.752609][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 774.757617][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 774.763594][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 774.768614][ T2619] __device_attach+0x228/0x4a0 [ 774.773387][ T2619] ? really_probe+0xde0/0xde0 [ 774.778075][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 774.783370][ T2619] bus_probe_device+0x1e4/0x290 [ 774.788227][ T2619] device_add+0xbb2/0x1ce0 [ 774.792651][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 774.798049][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 774.804019][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 774.809823][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 774.814849][ T2619] usb_set_configuration+0x113c/0x1910 [ 774.820295][ T2619] usb_generic_driver_probe+0xba/0x100 [ 774.825739][ T2619] usb_probe_device+0xd9/0x2c0 [ 774.830488][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 774.836561][ T2619] really_probe+0x291/0xde0 [ 774.841049][ T2619] driver_probe_device+0x26b/0x3d0 [ 774.846153][ T2619] __device_attach_driver+0x1d1/0x290 [ 774.851508][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 774.857471][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 774.862308][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 774.867317][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 774.873284][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 774.878294][ T2619] __device_attach+0x228/0x4a0 [ 774.883042][ T2619] ? really_probe+0xde0/0xde0 [ 774.887708][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 774.892977][ T2619] bus_probe_device+0x1e4/0x290 [ 774.897810][ T2619] device_add+0xbb2/0x1ce0 [ 774.902208][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 774.907566][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 774.912662][ T2619] ? hub_disconnect+0x510/0x510 [ 774.917496][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 774.922416][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 774.928378][ T2619] hub_event+0x2348/0x42d0 [ 774.932780][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 774.937875][ T2619] ? __lock_acquire+0x821/0x54f0 [ 774.942812][ T2619] ? put_pwq+0xb0/0x1b0 [ 774.946952][ T2619] ? lock_release+0x6d0/0x6d0 [ 774.951700][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 774.956552][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 774.961561][ T2619] process_one_work+0x933/0x1520 executing program [ 774.966483][ T2619] ? rcuwait_wake_up+0x114/0x220 [ 774.971403][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 774.976761][ T2619] ? try_to_del_timer_sync+0xbf/0x110 [ 774.982117][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 774.987040][ T2619] worker_thread+0x64c/0x1120 [ 774.991706][ T2619] ? process_one_work+0x1520/0x1520 [ 774.996889][ T2619] kthread+0x38c/0x460 [ 775.000946][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 [ 775.006128][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 775.012027][ T2619] ret_from_fork+0x1f/0x30 [ 775.019472][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 775.024501][ T4386] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 775.027001][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 775.042808][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.052872][ T4415] Workqueue: usb_hub_wq hub_event [ 775.057886][ T4415] Call Trace: [ 775.061166][ T4415] dump_stack+0x107/0x163 [ 775.065488][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 775.070414][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 775.075859][ T4415] sysfs_create_link+0x5f/0xc0 [ 775.080607][ T4415] device_add+0x79a/0x1ce0 [ 775.085011][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 775.090540][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 775.095896][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 775.101255][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 775.106178][ T4415] tty_register_device_attr+0x395/0x7b0 [ 775.111707][ T4415] ? put_tty_driver+0xa0/0xa0 [ 775.116369][ T4415] ? mark_held_locks+0x9f/0xe0 [ 775.121120][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.127084][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 775.133141][ T4415] hso_serial_common_create+0x124/0x8b0 [ 775.138674][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 775.143945][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 775.149736][ T4415] hso_probe+0xef9/0x1f70 [ 775.154055][ T4415] usb_probe_interface+0x315/0x7f0 [ 775.159168][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 775.164535][ T4415] really_probe+0x291/0xde0 [ 775.169806][ T4415] driver_probe_device+0x26b/0x3d0 [ 775.174903][ T4415] __device_attach_driver+0x1d1/0x290 [ 775.180281][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 775.186249][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 775.191083][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 775.196093][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.202056][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.207325][ T4415] __device_attach+0x228/0x4a0 [ 775.212074][ T4415] ? really_probe+0xde0/0xde0 [ 775.216738][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 775.222008][ T4415] bus_probe_device+0x1e4/0x290 [ 775.226847][ T4415] device_add+0xbb2/0x1ce0 [ 775.231251][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 775.236609][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.242576][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 775.248368][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.253378][ T4415] usb_set_configuration+0x113c/0x1910 [ 775.258822][ T4415] usb_generic_driver_probe+0xba/0x100 [ 775.264267][ T4415] usb_probe_device+0xd9/0x2c0 [ 775.269017][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 775.275072][ T4415] really_probe+0x291/0xde0 [ 775.279562][ T4415] driver_probe_device+0x26b/0x3d0 [ 775.284660][ T4415] __device_attach_driver+0x1d1/0x290 [ 775.290017][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 775.295981][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 775.300817][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 775.306001][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.311965][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.316976][ T4415] __device_attach+0x228/0x4a0 [ 775.321728][ T4415] ? really_probe+0xde0/0xde0 [ 775.326390][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 775.331679][ T4415] bus_probe_device+0x1e4/0x290 [ 775.336531][ T4415] device_add+0xbb2/0x1ce0 [ 775.340934][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 775.346295][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 775.351394][ T4415] ? hub_disconnect+0x510/0x510 [ 775.356235][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 775.361163][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.367129][ T4415] hub_event+0x2348/0x42d0 [ 775.371535][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 775.376630][ T4415] ? __lock_acquire+0x821/0x54f0 [ 775.381554][ T4415] ? put_pwq+0xb0/0x1b0 [ 775.385713][ T4415] ? lock_release+0x6d0/0x6d0 [ 775.390399][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 775.395253][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 775.400276][ T4415] process_one_work+0x933/0x1520 [ 775.405209][ T4415] ? rcuwait_wake_up+0x114/0x220 [ 775.410144][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 775.415510][ T4415] ? try_to_del_timer_sync+0xbf/0x110 [ 775.420869][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 775.425811][ T4415] worker_thread+0x64c/0x1120 [ 775.430482][ T4415] ? process_one_work+0x1520/0x1520 [ 775.435666][ T4415] kthread+0x38c/0x460 [ 775.439724][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 775.445429][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 775.451310][ T4415] ret_from_fork+0x1f/0x30 [ 775.455721][ T4386] CPU: 0 PID: 4386 Comm: kworker/0:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 775.464139][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.474192][ T4386] Workqueue: usb_hub_wq hub_event [ 775.479204][ T4386] Call Trace: [ 775.482478][ T4386] dump_stack+0x107/0x163 [ 775.486791][ T4386] sysfs_warn_dup.cold+0x1c/0x29 [ 775.491713][ T4386] sysfs_do_create_link_sd+0x11e/0x140 [ 775.497157][ T4386] sysfs_create_link+0x5f/0xc0 [ 775.501906][ T4386] device_add+0x79a/0x1ce0 [ 775.506307][ T4386] ? lockdep_init_map_waits+0x26a/0x700 [ 775.511838][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 775.517212][ T4386] ? __init_waitqueue_head+0x97/0x110 [ 775.522570][ T4386] ? pm_runtime_init+0x2cf/0x3b0 [ 775.527513][ T4386] tty_register_device_attr+0x395/0x7b0 [ 775.533061][ T4386] ? put_tty_driver+0xa0/0xa0 [ 775.537734][ T4386] ? mark_held_locks+0x9f/0xe0 [ 775.542489][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.548457][ T4386] ? tty_port_register_device_attr+0xbc/0x110 [ 775.554527][ T4386] hso_serial_common_create+0x124/0x8b0 [ 775.560219][ T4386] ? kasan_unpoison_shadow+0x33/0x40 [ 775.565499][ T4386] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 775.571419][ T4386] hso_probe+0xef9/0x1f70 [ 775.575772][ T4386] usb_probe_interface+0x315/0x7f0 [ 775.580874][ T4386] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 775.586257][ T4386] really_probe+0x291/0xde0 [ 775.590753][ T4386] driver_probe_device+0x26b/0x3d0 [ 775.595852][ T4386] __device_attach_driver+0x1d1/0x290 [ 775.601212][ T4386] ? driver_allows_async_probing+0x150/0x150 [ 775.607195][ T4386] bus_for_each_drv+0x15f/0x1e0 [ 775.612038][ T4386] ? bus_for_each_dev+0x1d0/0x1d0 [ 775.617056][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.623046][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.628087][ T4386] __device_attach+0x228/0x4a0 [ 775.632841][ T4386] ? really_probe+0xde0/0xde0 [ 775.637507][ T4386] ? kobject_uevent_env+0x2bb/0x1680 [ 775.642790][ T4386] bus_probe_device+0x1e4/0x290 [ 775.647625][ T4386] device_add+0xbb2/0x1ce0 [ 775.652024][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 775.657381][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.663349][ T4386] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 775.669140][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.674151][ T4386] usb_set_configuration+0x113c/0x1910 [ 775.679594][ T4386] usb_generic_driver_probe+0xba/0x100 [ 775.685036][ T4386] usb_probe_device+0xd9/0x2c0 [ 775.689785][ T4386] ? usb_driver_release_interface+0x180/0x180 [ 775.695836][ T4386] really_probe+0x291/0xde0 [ 775.700324][ T4386] driver_probe_device+0x26b/0x3d0 [ 775.705422][ T4386] __device_attach_driver+0x1d1/0x290 [ 775.710779][ T4386] ? driver_allows_async_probing+0x150/0x150 [ 775.716741][ T4386] bus_for_each_drv+0x15f/0x1e0 [ 775.721594][ T4386] ? bus_for_each_dev+0x1d0/0x1d0 [ 775.726602][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.732570][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 775.737595][ T4386] __device_attach+0x228/0x4a0 [ 775.742340][ T4386] ? really_probe+0xde0/0xde0 [ 775.747004][ T4386] ? kobject_uevent_env+0x2bb/0x1680 [ 775.752273][ T4386] bus_probe_device+0x1e4/0x290 [ 775.757107][ T4386] device_add+0xbb2/0x1ce0 [ 775.761508][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 775.766866][ T4386] usb_new_device.cold+0x71d/0xfe9 [ 775.771963][ T4386] ? hub_disconnect+0x510/0x510 [ 775.776798][ T4386] ? rwlock_bug.part.0+0x90/0x90 [ 775.781724][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.787693][ T4386] hub_event+0x2348/0x42d0 [ 775.792096][ T4386] ? hub_port_debounce+0x3b0/0x3b0 [ 775.797211][ T4386] ? __lock_acquire+0x821/0x54f0 [ 775.802139][ T4386] ? put_pwq+0xb0/0x1b0 [ 775.806294][ T4386] ? lock_release+0x6d0/0x6d0 [ 775.810956][ T4386] ? lock_downgrade+0x6d0/0x6d0 [ 775.815793][ T4386] ? do_raw_spin_lock+0x120/0x2b0 [ 775.820803][ T4386] process_one_work+0x933/0x1520 [ 775.825724][ T4386] ? lock_release+0x6d0/0x6d0 [ 775.830413][ T4386] ? pwq_dec_nr_in_flight+0x320/0x320 [ 775.835913][ T4386] ? rwlock_bug.part.0+0x90/0x90 [ 775.840850][ T4386] worker_thread+0x64c/0x1120 [ 775.845548][ T4386] ? __kthread_parkme+0x118/0x1d0 [ 775.850567][ T4386] ? process_one_work+0x1520/0x1520 [ 775.855752][ T4386] kthread+0x38c/0x460 [ 775.859810][ T4386] ? _raw_spin_unlock_irq+0x1f/0x30 [ 775.864997][ T4386] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 775.870877][ T4386] ret_from_fork+0x1f/0x30 [ 775.875778][ T4410] hso 5-1:0.0: Failed to find BULK IN ep [ 775.875926][ T2204] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 775.882723][ T4410] usb-storage 5-1:0.0: USB Mass Storage device detected [ 775.888958][ T2204] CPU: 0 PID: 2204 Comm: kworker/0:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 775.904258][ T2204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 775.914364][ T2204] Workqueue: usb_hub_wq hub_event [ 775.919403][ T2204] Call Trace: [ 775.922844][ T2204] dump_stack+0x107/0x163 [ 775.927189][ T2204] sysfs_warn_dup.cold+0x1c/0x29 [ 775.932152][ T2204] sysfs_do_create_link_sd+0x11e/0x140 [ 775.937624][ T2204] sysfs_create_link+0x5f/0xc0 [ 775.942404][ T2204] device_add+0x79a/0x1ce0 [ 775.946824][ T2204] ? lockdep_init_map_waits+0x26a/0x700 [ 775.952364][ T2204] ? devlink_add_symlinks+0x450/0x450 [ 775.957735][ T2204] ? __init_waitqueue_head+0x97/0x110 [ 775.963098][ T2204] ? pm_runtime_init+0x2cf/0x3b0 [ 775.968027][ T2204] tty_register_device_attr+0x395/0x7b0 [ 775.973593][ T2204] ? put_tty_driver+0xa0/0xa0 [ 775.978254][ T2204] ? mark_held_locks+0x9f/0xe0 [ 775.983002][ T2204] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 775.988985][ T2204] ? tty_port_register_device_attr+0xbc/0x110 [ 775.995041][ T2204] hso_serial_common_create+0x124/0x8b0 [ 776.000572][ T2204] ? kasan_unpoison_shadow+0x33/0x40 [ 776.005841][ T2204] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 776.011632][ T2204] hso_probe+0xef9/0x1f70 [ 776.015947][ T2204] usb_probe_interface+0x315/0x7f0 [ 776.021041][ T2204] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 776.026398][ T2204] really_probe+0x291/0xde0 [ 776.030890][ T2204] driver_probe_device+0x26b/0x3d0 [ 776.035985][ T2204] __device_attach_driver+0x1d1/0x290 [ 776.041346][ T2204] ? driver_allows_async_probing+0x150/0x150 [ 776.047310][ T2204] bus_for_each_drv+0x15f/0x1e0 [ 776.052173][ T2204] ? bus_for_each_dev+0x1d0/0x1d0 [ 776.057182][ T2204] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 776.063148][ T2204] ? trace_hardirqs_on+0x5b/0x1a0 [ 776.068155][ T2204] __device_attach+0x228/0x4a0 [ 776.072929][ T2204] ? really_probe+0xde0/0xde0 [ 776.077591][ T2204] ? kobject_uevent_env+0x2bb/0x1680 [ 776.082860][ T2204] bus_probe_device+0x1e4/0x290 [ 776.087711][ T2204] device_add+0xbb2/0x1ce0 [ 776.092113][ T2204] ? devlink_add_symlinks+0x450/0x450 [ 776.097470][ T2204] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 776.103444][ T2204] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 776.109233][ T2204] ? trace_hardirqs_on+0x5b/0x1a0 [ 776.114252][ T2204] usb_set_configuration+0x113c/0x1910 [ 776.119711][ T2204] usb_generic_driver_probe+0xba/0x100 [ 776.125154][ T2204] usb_probe_device+0xd9/0x2c0 [ 776.129905][ T2204] ? usb_driver_release_interface+0x180/0x180 [ 776.135962][ T2204] really_probe+0x291/0xde0 [ 776.140450][ T2204] driver_probe_device+0x26b/0x3d0 [ 776.145562][ T2204] __device_attach_driver+0x1d1/0x290 [ 776.150920][ T2204] ? driver_allows_async_probing+0x150/0x150 [ 776.156883][ T2204] bus_for_each_drv+0x15f/0x1e0 [ 776.161737][ T2204] ? bus_for_each_dev+0x1d0/0x1d0 [ 776.166764][ T2204] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 776.172725][ T2204] ? trace_hardirqs_on+0x5b/0x1a0 [ 776.177734][ T2204] __device_attach+0x228/0x4a0 [ 776.182482][ T2204] ? really_probe+0xde0/0xde0 [ 776.187144][ T2204] ? kobject_uevent_env+0x2bb/0x1680 [ 776.192437][ T2204] bus_probe_device+0x1e4/0x290 [ 776.197271][ T2204] device_add+0xbb2/0x1ce0 [ 776.201670][ T2204] ? devlink_add_symlinks+0x450/0x450 [ 776.207025][ T2204] usb_new_device.cold+0x71d/0xfe9 [ 776.212121][ T2204] ? hub_disconnect+0x510/0x510 [ 776.216956][ T2204] ? rwlock_bug.part.0+0x90/0x90 [ 776.221877][ T2204] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 776.228100][ T2204] hub_event+0x2348/0x42d0 [ 776.232519][ T2204] ? hub_port_debounce+0x3b0/0x3b0 [ 776.237615][ T2204] ? __lock_acquire+0x821/0x54f0 [ 776.242537][ T2204] ? put_pwq+0xb0/0x1b0 [ 776.246678][ T2204] ? lock_release+0x6d0/0x6d0 [ 776.251340][ T2204] ? lock_downgrade+0x6d0/0x6d0 [ 776.256436][ T2204] ? do_raw_spin_lock+0x120/0x2b0 [ 776.261483][ T2204] process_one_work+0x933/0x1520 [ 776.266406][ T2204] ? lock_release+0x6d0/0x6d0 executing program executing program executing program [ 776.271069][ T2204] ? pwq_dec_nr_in_flight+0x320/0x320 [ 776.276426][ T2204] ? rwlock_bug.part.0+0x90/0x90 [ 776.281350][ T2204] worker_thread+0x64c/0x1120 [ 776.286034][ T2204] ? __kthread_parkme+0x118/0x1d0 [ 776.291043][ T2204] ? process_one_work+0x1520/0x1520 [ 776.296230][ T2204] kthread+0x38c/0x460 [ 776.300289][ T2204] ? _raw_spin_unlock_irq+0x1f/0x30 [ 776.305471][ T2204] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 776.311347][ T2204] ret_from_fork+0x1f/0x30 executing program executing program [ 776.435713][ T2204] usb-storage 3-1:0.0: USB Mass Storage device detected [ 776.457742][ T4386] usb-storage 1-1:0.0: USB Mass Storage device detected [ 776.493285][ T4410] usb 5-1: USB disconnect, device number 2 [ 776.502347][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 776.515372][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 776.528229][ T30] usb 2-1: USB disconnect, device number 2 [ 776.551244][ T2204] usb 3-1: USB disconnect, device number 2 [ 776.568223][ T4386] usb 1-1: USB disconnect, device number 2 [ 776.589152][ T2619] usb 6-1: USB disconnect, device number 2 [ 776.599958][ T4415] usb 4-1: USB disconnect, device number 2 [ 776.863609][ T4410] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 776.893656][ T30] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 776.953604][ T2204] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 776.953613][ T4415] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 776.965069][ T2619] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 776.983715][ T4386] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 777.383728][ T4410] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.392831][ T4410] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.401039][ T4410] usb 5-1: Product: syz [ 777.405282][ T4410] usb 5-1: Manufacturer: syz [ 777.409872][ T4410] usb 5-1: SerialNumber: syz [ 777.414775][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.423894][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.431895][ T30] usb 2-1: Product: syz [ 777.436189][ T30] usb 2-1: Manufacturer: syz [ 777.440809][ T30] usb 2-1: SerialNumber: syz [ 777.447311][ T4410] usb 5-1: config 0 descriptor?? [ 777.455963][ T30] usb 2-1: config 0 descriptor?? [ 777.493735][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.502824][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.511138][ T4415] usb 4-1: Product: syz [ 777.515371][ T4415] usb 4-1: Manufacturer: syz [ 777.519966][ T4415] usb 4-1: SerialNumber: syz [ 777.525998][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.535248][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.543244][ T2619] usb 6-1: Product: syz [ 777.547507][ T2619] usb 6-1: Manufacturer: syz [ 777.552103][ T2619] usb 6-1: SerialNumber: syz [ 777.559614][ T2619] usb 6-1: config 0 descriptor?? [ 777.574099][ T4386] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.574505][ T4415] usb 4-1: config 0 descriptor?? [ 777.583148][ T4386] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.596133][ T4386] usb 1-1: Product: syz [ 777.600305][ T4386] usb 1-1: Manufacturer: syz [ 777.604939][ T4386] usb 1-1: SerialNumber: syz [ 777.609773][ T2204] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 777.618843][ T2204] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 777.626866][ T2204] usb 3-1: Product: syz [ 777.631017][ T2204] usb 3-1: Manufacturer: syz [ 777.635664][ T2204] usb 3-1: SerialNumber: syz [ 777.642936][ T2204] usb 3-1: config 0 descriptor?? [ 777.649897][ T4386] usb 1-1: config 0 descriptor?? [ 777.694825][ T4410] hso 5-1:0.0: Failed to find BULK IN ep [ 777.709553][ T4410] usb-storage 5-1:0.0: USB Mass Storage device detected [ 777.720976][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 777.745754][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 777.854629][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 777.862091][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 777.874592][ T2619] hso 6-1:0.0: Failed to find BULK IN ep [ 777.884276][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 777.896873][ T30] usb 5-1: USB disconnect, device number 3 executing program [ 777.922101][ T4410] usb 2-1: USB disconnect, device number 3 [ 777.934744][ T4386] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 777.942407][ T4386] CPU: 0 PID: 4386 Comm: kworker/0:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 777.950845][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 777.960899][ T4386] Workqueue: usb_hub_wq hub_event [ 777.965926][ T4386] Call Trace: [ 777.969201][ T4386] dump_stack+0x107/0x163 [ 777.973518][ T4386] sysfs_warn_dup.cold+0x1c/0x29 [ 777.978443][ T4386] sysfs_do_create_link_sd+0x11e/0x140 [ 777.983887][ T4386] sysfs_create_link+0x5f/0xc0 [ 777.988638][ T4386] device_add+0x79a/0x1ce0 [ 777.994023][ T4386] ? lockdep_init_map_waits+0x26a/0x700 [ 777.999553][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 778.004908][ T4386] ? __init_waitqueue_head+0x97/0x110 [ 778.010262][ T4386] ? pm_runtime_init+0x2cf/0x3b0 [ 778.015202][ T4386] tty_register_device_attr+0x395/0x7b0 [ 778.020728][ T4386] ? put_tty_driver+0xa0/0xa0 [ 778.025406][ T4386] ? mark_held_locks+0x9f/0xe0 [ 778.030173][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 778.036136][ T4386] ? tty_port_register_device_attr+0xbc/0x110 [ 778.042191][ T4386] hso_serial_common_create+0x124/0x8b0 [ 778.047721][ T4386] ? kasan_unpoison_shadow+0x33/0x40 [ 778.052991][ T4386] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 778.058782][ T4386] hso_probe+0xef9/0x1f70 [ 778.063096][ T4386] usb_probe_interface+0x315/0x7f0 [ 778.068192][ T4386] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 778.073549][ T4386] really_probe+0x291/0xde0 [ 778.078036][ T4386] driver_probe_device+0x26b/0x3d0 [ 778.083133][ T4386] __device_attach_driver+0x1d1/0x290 [ 778.088492][ T4386] ? driver_allows_async_probing+0x150/0x150 [ 778.094476][ T4386] bus_for_each_drv+0x15f/0x1e0 [ 778.099315][ T4386] ? bus_for_each_dev+0x1d0/0x1d0 [ 778.104325][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 778.110286][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 778.115293][ T4386] __device_attach+0x228/0x4a0 [ 778.120055][ T4386] ? really_probe+0xde0/0xde0 [ 778.124718][ T4386] ? kobject_uevent_env+0x2bb/0x1680 [ 778.130006][ T4386] bus_probe_device+0x1e4/0x290 [ 778.134839][ T4386] device_add+0xbb2/0x1ce0 [ 778.139237][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 778.144593][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 778.150560][ T4386] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 778.156347][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 778.161354][ T4386] usb_set_configuration+0x113c/0x1910 [ 778.166802][ T4386] usb_generic_driver_probe+0xba/0x100 [ 778.172244][ T4386] usb_probe_device+0xd9/0x2c0 [ 778.177009][ T4386] ? usb_driver_release_interface+0x180/0x180 [ 778.183059][ T4386] really_probe+0x291/0xde0 [ 778.187571][ T4386] driver_probe_device+0x26b/0x3d0 [ 778.192665][ T4386] __device_attach_driver+0x1d1/0x290 [ 778.198022][ T4386] ? driver_allows_async_probing+0x150/0x150 [ 778.203984][ T4386] bus_for_each_drv+0x15f/0x1e0 [ 778.208819][ T4386] ? bus_for_each_dev+0x1d0/0x1d0 [ 778.213829][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 778.219789][ T4386] ? trace_hardirqs_on+0x5b/0x1a0 [ 778.224796][ T4386] __device_attach+0x228/0x4a0 [ 778.229545][ T4386] ? really_probe+0xde0/0xde0 [ 778.234207][ T4386] ? kobject_uevent_env+0x2bb/0x1680 [ 778.239494][ T4386] bus_probe_device+0x1e4/0x290 [ 778.244327][ T4386] device_add+0xbb2/0x1ce0 [ 778.248726][ T4386] ? devlink_add_symlinks+0x450/0x450 [ 778.254083][ T4386] usb_new_device.cold+0x71d/0xfe9 [ 778.259180][ T4386] ? hub_disconnect+0x510/0x510 [ 778.264014][ T4386] ? rwlock_bug.part.0+0x90/0x90 [ 778.268934][ T4386] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 778.275069][ T4386] hub_event+0x2348/0x42d0 [ 778.279474][ T4386] ? hub_port_debounce+0x3b0/0x3b0 [ 778.284568][ T4386] ? __lock_acquire+0x821/0x54f0 [ 778.289490][ T4386] ? put_pwq+0xb1/0x1b0 [ 778.293661][ T4386] ? lock_release+0x6d0/0x6d0 [ 778.298319][ T4386] ? lock_downgrade+0x6d0/0x6d0 [ 778.303169][ T4386] ? do_raw_spin_lock+0x120/0x2b0 [ 778.308177][ T4386] process_one_work+0x933/0x1520 [ 778.313096][ T4386] ? lock_release+0x6d0/0x6d0 [ 778.317757][ T4386] ? pwq_dec_nr_in_flight+0x320/0x320 executing program executing program [ 778.323128][ T4386] ? rwlock_bug.part.0+0x90/0x90 [ 778.328051][ T4386] worker_thread+0x82b/0x1120 [ 778.332714][ T4386] ? __kthread_parkme+0x118/0x1d0 [ 778.337723][ T4386] ? process_one_work+0x1520/0x1520 [ 778.342902][ T4386] kthread+0x38c/0x460 [ 778.346979][ T4386] ? _raw_spin_unlock_irq+0x1f/0x30 [ 778.352258][ T4386] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 778.358135][ T4386] ret_from_fork+0x1f/0x30 [ 778.367232][ T2204] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 778.376197][ T4415] usb 4-1: USB disconnect, device number 3 [ 778.398556][ T2204] usb-storage 3-1:0.0: USB Mass Storage device detected [ 778.410773][ T2619] usb 6-1: USB disconnect, device number 3 executing program [ 778.529421][ T4386] usb-storage 1-1:0.0: USB Mass Storage device detected [ 778.569096][ T2204] usb 3-1: USB disconnect, device number 3 [ 778.630641][ T4386] usb 1-1: USB disconnect, device number 3 [ 778.723502][ T30] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 778.731072][ T4410] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 778.739770][ T4415] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 778.783654][ T2619] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 778.973489][ T2204] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 779.023610][ T4386] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 779.263692][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 779.272801][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 779.280856][ T4410] usb 2-1: Product: syz [ 779.285111][ T4410] usb 2-1: Manufacturer: syz [ 779.289709][ T4410] usb 2-1: SerialNumber: syz [ 779.294420][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 779.303530][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 779.311504][ T30] usb 5-1: Product: syz [ 779.315722][ T30] usb 5-1: Manufacturer: syz [ 779.320320][ T30] usb 5-1: SerialNumber: syz [ 779.325062][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 779.334174][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 779.342151][ T4415] usb 4-1: Product: syz [ 779.346389][ T4415] usb 4-1: Manufacturer: syz [ 779.350981][ T4415] usb 4-1: SerialNumber: syz [ 779.358262][ T4415] usb 4-1: config 0 descriptor?? [ 779.365475][ T4410] usb 2-1: config 0 descriptor?? [ 779.371451][ T30] usb 5-1: config 0 descriptor?? [ 779.393629][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 779.402687][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 779.410879][ T2619] usb 6-1: Product: syz [ 779.415436][ T2619] usb 6-1: Manufacturer: syz [ 779.420039][ T2619] usb 6-1: SerialNumber: syz [ 779.449563][ T2619] usb 6-1: config 0 descriptor?? [ 779.603567][ T2204] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 779.612723][ T2204] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 779.620785][ T2204] usb 3-1: Product: syz [ 779.625010][ T2204] usb 3-1: Manufacturer: syz [ 779.629594][ T2204] usb 3-1: SerialNumber: syz [ 779.638283][ T2204] usb 3-1: config 0 descriptor?? [ 779.644845][ T4410] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 779.652329][ T4410] CPU: 1 PID: 4410 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 779.661100][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 779.671161][ T4410] Workqueue: usb_hub_wq hub_event [ 779.676191][ T4410] Call Trace: [ 779.679469][ T4410] dump_stack+0x107/0x163 [ 779.683837][ T4410] sysfs_warn_dup.cold+0x1c/0x29 [ 779.688774][ T4410] sysfs_do_create_link_sd+0x11e/0x140 [ 779.694234][ T4410] sysfs_create_link+0x5f/0xc0 [ 779.699035][ T4410] device_add+0x79a/0x1ce0 [ 779.703433][ T4410] ? lockdep_init_map_waits+0x26a/0x700 [ 779.708960][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 779.714316][ T4410] ? __init_waitqueue_head+0x97/0x110 [ 779.719682][ T4410] ? pm_runtime_init+0x2cf/0x3b0 [ 779.724605][ T4410] tty_register_device_attr+0x395/0x7b0 [ 779.730134][ T4410] ? put_tty_driver+0xa0/0xa0 [ 779.734792][ T4410] ? mark_held_locks+0x9f/0xe0 [ 779.739545][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 779.745518][ T4410] ? tty_port_register_device_attr+0xbc/0x110 [ 779.751678][ T4410] hso_serial_common_create+0x124/0x8b0 [ 779.757214][ T4410] ? kasan_unpoison_shadow+0x33/0x40 [ 779.762484][ T4410] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 779.768336][ T4410] hso_probe+0xef9/0x1f70 [ 779.772654][ T4410] usb_probe_interface+0x315/0x7f0 [ 779.777747][ T4410] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 779.783162][ T4410] really_probe+0x291/0xde0 [ 779.787650][ T4410] driver_probe_device+0x26b/0x3d0 [ 779.792802][ T4410] __device_attach_driver+0x1d1/0x290 [ 779.798156][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 779.804114][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 779.808952][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 779.813986][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 779.819957][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 779.824971][ T4410] __device_attach+0x228/0x4a0 [ 779.829723][ T4410] ? really_probe+0xde0/0xde0 [ 779.834399][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 779.839674][ T4410] bus_probe_device+0x1e4/0x290 [ 779.844530][ T4410] device_add+0xbb2/0x1ce0 [ 779.848942][ T4410] ? devlink_add_symlinks+0x450/0x450 executing program [ 779.854322][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 779.860307][ T4410] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 779.866119][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 779.871151][ T4410] usb_set_configuration+0x113c/0x1910 [ 779.876619][ T4410] usb_generic_driver_probe+0xba/0x100 [ 779.882088][ T4410] usb_probe_device+0xd9/0x2c0 [ 779.886851][ T4410] ? usb_driver_release_interface+0x180/0x180 [ 779.892907][ T4410] really_probe+0x291/0xde0 [ 779.897416][ T4410] driver_probe_device+0x26b/0x3d0 [ 779.902509][ T4410] __device_attach_driver+0x1d1/0x290 [ 779.907875][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 779.913846][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 779.918675][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 779.923689][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 779.929647][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 779.934651][ T4410] __device_attach+0x228/0x4a0 [ 779.939416][ T4410] ? really_probe+0xde0/0xde0 [ 779.944082][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 779.949345][ T4410] bus_probe_device+0x1e4/0x290 [ 779.954185][ T4410] device_add+0xbb2/0x1ce0 [ 779.958594][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 779.963952][ T4410] usb_new_device.cold+0x71d/0xfe9 [ 779.969069][ T4410] ? hub_disconnect+0x510/0x510 [ 779.973899][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 779.978846][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 779.984832][ T4410] hub_event+0x2348/0x42d0 [ 779.989230][ T4410] ? hub_port_debounce+0x3b0/0x3b0 [ 779.994321][ T4410] ? __lock_acquire+0x820/0x54f0 [ 779.999258][ T4410] ? put_pwq+0xb1/0x1b0 [ 780.003404][ T4410] ? lock_release+0x6d0/0x6d0 [ 780.008091][ T4410] ? lock_downgrade+0x6d0/0x6d0 [ 780.012920][ T4410] ? do_raw_spin_lock+0x120/0x2b0 [ 780.017933][ T4410] process_one_work+0x933/0x1520 [ 780.022852][ T4410] ? lock_release+0x6d0/0x6d0 [ 780.027511][ T4410] ? pwq_dec_nr_in_flight+0x320/0x320 [ 780.032861][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 780.037791][ T4410] worker_thread+0x64c/0x1120 [ 780.042464][ T4410] ? process_one_work+0x1520/0x1520 [ 780.047641][ T4410] kthread+0x38c/0x460 [ 780.051695][ T4410] ? _raw_spin_unlock_irq+0x1f/0x30 [ 780.056873][ T4410] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 780.062759][ T4410] ret_from_fork+0x1f/0x30 [ 780.067926][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 780.075450][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 780.083864][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 780.093935][ T4415] Workqueue: usb_hub_wq hub_event [ 780.098966][ T4415] Call Trace: [ 780.102253][ T4415] dump_stack+0x107/0x163 [ 780.106581][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 780.111611][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 780.117059][ T4415] sysfs_create_link+0x5f/0xc0 [ 780.121808][ T4415] device_add+0x79a/0x1ce0 [ 780.126211][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 780.131740][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 780.137119][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 780.142473][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 780.147394][ T4415] tty_register_device_attr+0x395/0x7b0 [ 780.152920][ T4415] ? put_tty_driver+0xa0/0xa0 [ 780.157579][ T4415] ? mark_held_locks+0x9f/0xe0 [ 780.162325][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.168308][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 780.174359][ T4415] hso_serial_common_create+0x124/0x8b0 [ 780.179889][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 780.185158][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 780.190948][ T4415] hso_probe+0xef9/0x1f70 [ 780.195267][ T4415] usb_probe_interface+0x315/0x7f0 [ 780.200362][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 780.205717][ T4415] really_probe+0x291/0xde0 [ 780.210204][ T4415] driver_probe_device+0x26b/0x3d0 [ 780.215299][ T4415] __device_attach_driver+0x1d1/0x290 [ 780.220655][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 780.226615][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 780.231449][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 780.236476][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.242453][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.247461][ T4415] __device_attach+0x228/0x4a0 [ 780.252208][ T4415] ? really_probe+0xde0/0xde0 [ 780.256869][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 780.262137][ T4415] bus_probe_device+0x1e4/0x290 [ 780.266971][ T4415] device_add+0xbb2/0x1ce0 [ 780.271371][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 780.276743][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.282706][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 780.288495][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.293504][ T4415] usb_set_configuration+0x113c/0x1910 [ 780.298946][ T4415] usb_generic_driver_probe+0xba/0x100 [ 780.304387][ T4415] usb_probe_device+0xd9/0x2c0 [ 780.309153][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 780.315204][ T4415] really_probe+0x291/0xde0 [ 780.319691][ T4415] driver_probe_device+0x26b/0x3d0 [ 780.324786][ T4415] __device_attach_driver+0x1d1/0x290 [ 780.330141][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 780.336103][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 780.340935][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 780.345963][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.351947][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.356969][ T4415] __device_attach+0x228/0x4a0 [ 780.361720][ T4415] ? really_probe+0xde0/0xde0 [ 780.366404][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 780.371675][ T4415] bus_probe_device+0x1e4/0x290 [ 780.376508][ T4415] device_add+0xbb2/0x1ce0 [ 780.380907][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 780.386266][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 780.391484][ T4415] ? hub_disconnect+0x510/0x510 [ 780.396330][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 780.401261][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.407256][ T4415] hub_event+0x2348/0x42d0 [ 780.411681][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 780.416779][ T4415] ? __lock_acquire+0x821/0x54f0 [ 780.421703][ T4415] ? put_pwq+0xb1/0x1b0 [ 780.425842][ T4415] ? lock_release+0x6d0/0x6d0 [ 780.430502][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 780.435358][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 780.440376][ T4415] process_one_work+0x933/0x1520 [ 780.445317][ T4415] ? lock_release+0x6d0/0x6d0 [ 780.449980][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 780.455336][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 780.460257][ T4415] worker_thread+0x64c/0x1120 [ 780.464921][ T4415] ? process_one_work+0x1520/0x1520 [ 780.470117][ T4415] kthread+0x38c/0x460 [ 780.474176][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 780.479358][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 780.485233][ T4415] ret_from_fork+0x1f/0x30 [ 780.490168][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 780.494619][ T4386] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 780.497665][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 780.506691][ T4386] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 780.515020][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 780.515038][ T2619] Workqueue: usb_hub_wq hub_event [ 780.523006][ T4386] usb 1-1: Product: syz [ 780.533030][ T2619] Call Trace: [ 780.533050][ T2619] dump_stack+0x107/0x163 [ 780.533070][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 780.538090][ T4386] usb 1-1: Manufacturer: syz [ 780.542215][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 780.545516][ T4386] usb 1-1: SerialNumber: syz [ 780.549802][ T2619] sysfs_create_link+0x5f/0xc0 [ 780.574070][ T2619] device_add+0x79a/0x1ce0 [ 780.578506][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 780.584072][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 780.589459][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 780.594871][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 780.599822][ T2619] tty_register_device_attr+0x395/0x7b0 [ 780.605403][ T2619] ? put_tty_driver+0xa0/0xa0 [ 780.610091][ T2619] ? mark_held_locks+0x9f/0xe0 [ 780.614872][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.620885][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 780.626967][ T2619] hso_serial_common_create+0x124/0x8b0 [ 780.632518][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 780.634155][ T4386] usb 1-1: config 0 descriptor?? [ 780.637805][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 780.637822][ T2619] hso_probe+0xef9/0x1f70 [ 780.637845][ T2619] usb_probe_interface+0x315/0x7f0 executing program executing program executing program [ 780.657973][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 780.663356][ T2619] really_probe+0x291/0xde0 [ 780.667869][ T2619] driver_probe_device+0x26b/0x3d0 [ 780.672993][ T2619] __device_attach_driver+0x1d1/0x290 [ 780.678377][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 780.684404][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 780.689264][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 780.694293][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.700281][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.705319][ T2619] __device_attach+0x228/0x4a0 [ 780.710098][ T2619] ? really_probe+0xde0/0xde0 [ 780.714780][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 780.720070][ T2619] bus_probe_device+0x1e4/0x290 [ 780.724928][ T2619] device_add+0xbb2/0x1ce0 [ 780.729353][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 780.734741][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.740738][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 780.746552][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.751574][ T2619] usb_set_configuration+0x113c/0x1910 [ 780.757027][ T2619] usb_generic_driver_probe+0xba/0x100 [ 780.762492][ T2619] usb_probe_device+0xd9/0x2c0 [ 780.767248][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 780.773319][ T2619] really_probe+0x291/0xde0 [ 780.777862][ T2619] driver_probe_device+0x26b/0x3d0 [ 780.782970][ T2619] __device_attach_driver+0x1d1/0x290 [ 780.788331][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 780.794294][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 780.799186][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 780.804298][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.810309][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 780.815347][ T2619] __device_attach+0x228/0x4a0 [ 780.820098][ T2619] ? really_probe+0xde0/0xde0 [ 780.824764][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 780.830046][ T2619] bus_probe_device+0x1e4/0x290 [ 780.834901][ T2619] device_add+0xbb2/0x1ce0 [ 780.839333][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 780.844719][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 780.849855][ T2619] ? hub_disconnect+0x510/0x510 [ 780.854699][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 780.859621][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 780.865581][ T2619] hub_event+0x2348/0x42d0 [ 780.869981][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 780.875079][ T2619] ? __lock_acquire+0x821/0x54f0 [ 780.879999][ T2619] ? put_pwq+0xb1/0x1b0 [ 780.884222][ T2619] ? lock_release+0x6d0/0x6d0 [ 780.888998][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 780.893849][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 780.898916][ T2619] process_one_work+0x933/0x1520 [ 780.903858][ T2619] ? rcuwait_wake_up+0x114/0x220 [ 780.908792][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 780.914279][ T2619] ? try_to_del_timer_sync+0xbf/0x110 [ 780.919723][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 780.924669][ T2619] worker_thread+0x82b/0x1120 [ 780.929346][ T2619] ? process_one_work+0x1520/0x1520 [ 780.934534][ T2619] kthread+0x38c/0x460 [ 780.938590][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 [ 780.944223][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 780.950115][ T2619] ret_from_fork+0x1f/0x30 [ 780.955035][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 780.962032][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 780.970157][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 780.977917][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 780.986725][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 780.989653][ T2204] hso 3-1:0.0: Failed to find BULK IN ep [ 781.006676][ T2204] usb-storage 3-1:0.0: USB Mass Storage device detected [ 781.039119][ T30] usb 5-1: USB disconnect, device number 4 [ 781.075844][ T2619] usb 6-1: USB disconnect, device number 4 [ 781.085253][ T4410] usb 2-1: USB disconnect, device number 4 [ 781.092056][ T4415] usb 4-1: USB disconnect, device number 4 executing program [ 781.186785][ T4501] usb 3-1: USB disconnect, device number 4 [ 781.204793][ T4386] hso 1-1:0.0: Failed to find BULK IN ep [ 781.226474][ T4386] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 781.405977][ T4386] usb 1-1: USB disconnect, device number 4 [ 781.463466][ T30] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 781.473483][ T2619] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 781.481034][ T4415] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 781.488620][ T4410] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 781.653305][ T4501] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 781.813289][ T4386] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 781.983430][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 781.992497][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 782.000687][ T30] usb 5-1: Product: syz [ 782.004918][ T30] usb 5-1: Manufacturer: syz [ 782.009506][ T30] usb 5-1: SerialNumber: syz [ 782.014361][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 782.023468][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 782.031438][ T2619] usb 6-1: Product: syz [ 782.035638][ T2619] usb 6-1: Manufacturer: syz [ 782.040239][ T2619] usb 6-1: SerialNumber: syz [ 782.045071][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 782.054217][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 782.062188][ T4410] usb 2-1: Product: syz [ 782.066401][ T4410] usb 2-1: Manufacturer: syz [ 782.070993][ T4410] usb 2-1: SerialNumber: syz [ 782.075706][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 782.084807][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 782.092777][ T4415] usb 4-1: Product: syz [ 782.096992][ T4415] usb 4-1: Manufacturer: syz [ 782.101607][ T4415] usb 4-1: SerialNumber: syz [ 782.107824][ T30] usb 5-1: config 0 descriptor?? [ 782.115798][ T4415] usb 4-1: config 0 descriptor?? [ 782.122338][ T2619] usb 6-1: config 0 descriptor?? [ 782.128168][ T4410] usb 2-1: config 0 descriptor?? [ 782.263445][ T4501] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 782.272704][ T4501] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 782.280761][ T4501] usb 3-1: Product: syz [ 782.284994][ T4501] usb 3-1: Manufacturer: syz [ 782.289597][ T4501] usb 3-1: SerialNumber: syz [ 782.298273][ T4501] usb 3-1: config 0 descriptor?? [ 782.365058][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 782.377678][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 782.385257][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 782.393669][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 782.403724][ T4415] Workqueue: usb_hub_wq hub_event [ 782.408733][ T4415] Call Trace: [ 782.412009][ T4415] dump_stack+0x107/0x163 [ 782.416346][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 782.421270][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 782.426722][ T4415] sysfs_create_link+0x5f/0xc0 [ 782.431479][ T4415] device_add+0x79a/0x1ce0 [ 782.435877][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 782.441401][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 782.446754][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 782.452108][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 782.457035][ T4415] tty_register_device_attr+0x395/0x7b0 [ 782.462560][ T4415] ? put_tty_driver+0xa0/0xa0 [ 782.467217][ T4415] ? mark_held_locks+0x9f/0xe0 [ 782.471964][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.477923][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 782.483969][ T4415] hso_serial_common_create+0x124/0x8b0 [ 782.489493][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 782.494758][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 782.500545][ T4415] hso_probe+0xef9/0x1f70 [ 782.504866][ T4415] usb_probe_interface+0x315/0x7f0 [ 782.510096][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 782.515475][ T4415] really_probe+0x291/0xde0 [ 782.519965][ T4415] driver_probe_device+0x26b/0x3d0 [ 782.525065][ T4415] __device_attach_driver+0x1d1/0x290 [ 782.530424][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 782.536386][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 782.541238][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 782.546254][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.552247][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 782.557257][ T4415] __device_attach+0x228/0x4a0 executing program [ 782.562004][ T4415] ? really_probe+0xde0/0xde0 [ 782.566670][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 782.571945][ T4415] bus_probe_device+0x1e4/0x290 [ 782.576795][ T4415] device_add+0xbb2/0x1ce0 [ 782.581215][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 782.586574][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.592538][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 782.598326][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 782.603331][ T4415] usb_set_configuration+0x113c/0x1910 [ 782.608789][ T4415] usb_generic_driver_probe+0xba/0x100 [ 782.614260][ T4415] usb_probe_device+0xd9/0x2c0 [ 782.619031][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 782.625103][ T4415] really_probe+0x291/0xde0 [ 782.629613][ T4415] driver_probe_device+0x26b/0x3d0 [ 782.634724][ T4415] __device_attach_driver+0x1d1/0x290 [ 782.640094][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 782.646057][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 782.650901][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 782.655917][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.661878][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 782.666886][ T4415] __device_attach+0x228/0x4a0 [ 782.671633][ T4415] ? really_probe+0xde0/0xde0 [ 782.676291][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 782.681557][ T4415] bus_probe_device+0x1e4/0x290 [ 782.686388][ T4415] device_add+0xbb2/0x1ce0 [ 782.690785][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 782.696140][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 782.701232][ T4415] ? hub_disconnect+0x510/0x510 [ 782.706104][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 782.711022][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.716994][ T4415] hub_event+0x2348/0x42d0 [ 782.721417][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 782.726519][ T4415] ? __lock_acquire+0x821/0x54f0 [ 782.731445][ T4415] ? put_pwq+0xb1/0x1b0 [ 782.735592][ T4415] ? lock_release+0x6d0/0x6d0 [ 782.740247][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 782.745078][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 782.750082][ T4415] process_one_work+0x933/0x1520 [ 782.754998][ T4415] ? lock_release+0x6d0/0x6d0 [ 782.759654][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 782.765014][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 782.769949][ T4415] worker_thread+0x82b/0x1120 [ 782.774606][ T4415] ? process_one_work+0x1520/0x1520 [ 782.779782][ T4415] kthread+0x38c/0x460 [ 782.783842][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 782.789021][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 782.794898][ T4415] ret_from_fork+0x1f/0x30 [ 782.801312][ T4410] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 782.803734][ T4501] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 782.808847][ T4410] CPU: 1 PID: 4410 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 782.824632][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 782.834686][ T4410] Workqueue: usb_hub_wq hub_event [ 782.839697][ T4410] Call Trace: [ 782.842975][ T4410] dump_stack+0x107/0x163 [ 782.847290][ T4410] sysfs_warn_dup.cold+0x1c/0x29 [ 782.852213][ T4410] sysfs_do_create_link_sd+0x11e/0x140 [ 782.857658][ T4410] sysfs_create_link+0x5f/0xc0 [ 782.862407][ T4410] device_add+0x79a/0x1ce0 [ 782.866812][ T4410] ? lockdep_init_map_waits+0x26a/0x700 [ 782.872343][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 782.877704][ T4410] ? __init_waitqueue_head+0x97/0x110 [ 782.883064][ T4410] ? pm_runtime_init+0x2cf/0x3b0 [ 782.887989][ T4410] tty_register_device_attr+0x395/0x7b0 [ 782.893520][ T4410] ? put_tty_driver+0xa0/0xa0 [ 782.898181][ T4410] ? mark_held_locks+0x9f/0xe0 [ 782.902931][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.908894][ T4410] ? tty_port_register_device_attr+0xbc/0x110 [ 782.914947][ T4410] hso_serial_common_create+0x124/0x8b0 [ 782.920477][ T4410] ? kasan_unpoison_shadow+0x33/0x40 [ 782.925748][ T4410] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 782.931536][ T4410] hso_probe+0xef9/0x1f70 [ 782.935853][ T4410] usb_probe_interface+0x315/0x7f0 [ 782.940948][ T4410] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 782.946304][ T4410] really_probe+0x291/0xde0 [ 782.950796][ T4410] driver_probe_device+0x26b/0x3d0 [ 782.955893][ T4410] __device_attach_driver+0x1d1/0x290 [ 782.961276][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 782.967239][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 782.972075][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 782.977086][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 782.983051][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 782.988071][ T4410] __device_attach+0x228/0x4a0 [ 782.992837][ T4410] ? really_probe+0xde0/0xde0 [ 782.997500][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 783.002771][ T4410] bus_probe_device+0x1e4/0x290 [ 783.007606][ T4410] device_add+0xbb2/0x1ce0 [ 783.012008][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 783.017372][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.023338][ T4410] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 783.029212][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.034223][ T4410] usb_set_configuration+0x113c/0x1910 [ 783.039691][ T4410] usb_generic_driver_probe+0xba/0x100 [ 783.045133][ T4410] usb_probe_device+0xd9/0x2c0 [ 783.049891][ T4410] ? usb_driver_release_interface+0x180/0x180 [ 783.055941][ T4410] really_probe+0x291/0xde0 [ 783.060428][ T4410] driver_probe_device+0x26b/0x3d0 [ 783.065524][ T4410] __device_attach_driver+0x1d1/0x290 [ 783.070885][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 783.076849][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 783.081701][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 783.086712][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.092675][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.097685][ T4410] __device_attach+0x228/0x4a0 [ 783.102436][ T4410] ? really_probe+0xde0/0xde0 [ 783.107097][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 783.112386][ T4410] bus_probe_device+0x1e4/0x290 [ 783.117220][ T4410] device_add+0xbb2/0x1ce0 [ 783.121622][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 783.126997][ T4410] usb_new_device.cold+0x71d/0xfe9 [ 783.132100][ T4410] ? hub_disconnect+0x510/0x510 [ 783.136934][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 783.141856][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.147820][ T4410] hub_event+0x2348/0x42d0 [ 783.152221][ T4410] ? hub_port_debounce+0x3b0/0x3b0 [ 783.157334][ T4410] ? __lock_acquire+0x821/0x54f0 [ 783.162256][ T4410] ? put_pwq+0xb1/0x1b0 [ 783.166395][ T4410] ? lock_release+0x6d0/0x6d0 [ 783.171056][ T4410] ? lock_downgrade+0x6d0/0x6d0 [ 783.175893][ T4410] ? do_raw_spin_lock+0x120/0x2b0 [ 783.180923][ T4410] process_one_work+0x933/0x1520 [ 783.185845][ T4410] ? lock_release+0x6d0/0x6d0 [ 783.190508][ T4410] ? pwq_dec_nr_in_flight+0x320/0x320 [ 783.195864][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 783.200787][ T4410] worker_thread+0x82b/0x1120 [ 783.205539][ T4410] ? process_one_work+0x1520/0x1520 [ 783.210721][ T4410] kthread+0x38c/0x460 [ 783.214777][ T4410] ? _raw_spin_unlock_irq+0x1f/0x30 [ 783.219962][ T4410] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 783.225859][ T4410] ret_from_fork+0x1f/0x30 [ 783.230264][ T4501] CPU: 0 PID: 4501 Comm: kworker/0:4 Not tainted 5.10.0-rc7-syzkaller #0 [ 783.230736][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 783.238668][ T4501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 783.238683][ T4501] Workqueue: usb_hub_wq hub_event [ 783.238695][ T4501] Call Trace: [ 783.238715][ T4501] dump_stack+0x107/0x163 [ 783.268745][ T4501] sysfs_warn_dup.cold+0x1c/0x29 [ 783.273669][ T4501] sysfs_do_create_link_sd+0x11e/0x140 [ 783.279113][ T4501] sysfs_create_link+0x5f/0xc0 [ 783.283861][ T4501] device_add+0x79a/0x1ce0 [ 783.288262][ T4501] ? lockdep_init_map_waits+0x26a/0x700 [ 783.293790][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 783.299147][ T4501] ? __init_waitqueue_head+0x97/0x110 [ 783.304502][ T4501] ? pm_runtime_init+0x2cf/0x3b0 [ 783.309429][ T4501] tty_register_device_attr+0x395/0x7b0 [ 783.314959][ T4501] ? put_tty_driver+0xa0/0xa0 [ 783.319619][ T4501] ? mark_held_locks+0x9f/0xe0 [ 783.324368][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.330331][ T4501] ? tty_port_register_device_attr+0xbc/0x110 [ 783.336385][ T4501] hso_serial_common_create+0x124/0x8b0 [ 783.341917][ T4501] ? kasan_unpoison_shadow+0x33/0x40 [ 783.347187][ T4501] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 783.352978][ T4501] hso_probe+0xef9/0x1f70 [ 783.357297][ T4501] usb_probe_interface+0x315/0x7f0 [ 783.362429][ T4501] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 783.367788][ T4501] really_probe+0x291/0xde0 [ 783.372366][ T4501] driver_probe_device+0x26b/0x3d0 [ 783.377469][ T4501] __device_attach_driver+0x1d1/0x290 [ 783.382924][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 783.388889][ T4501] bus_for_each_drv+0x15f/0x1e0 [ 783.393724][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 783.398736][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.404719][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.409729][ T4501] __device_attach+0x228/0x4a0 [ 783.414500][ T4501] ? really_probe+0xde0/0xde0 [ 783.419165][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 783.424438][ T4501] bus_probe_device+0x1e4/0x290 [ 783.429274][ T4501] device_add+0xbb2/0x1ce0 [ 783.433678][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 783.439034][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.445001][ T4501] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 783.450792][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.455803][ T4501] usb_set_configuration+0x113c/0x1910 [ 783.461255][ T4501] usb_generic_driver_probe+0xba/0x100 [ 783.466698][ T4501] usb_probe_device+0xd9/0x2c0 [ 783.471445][ T4501] ? usb_driver_release_interface+0x180/0x180 [ 783.477519][ T4501] really_probe+0x291/0xde0 [ 783.482009][ T4501] driver_probe_device+0x26b/0x3d0 [ 783.487105][ T4501] __device_attach_driver+0x1d1/0x290 [ 783.492464][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 783.498518][ T4501] bus_for_each_drv+0x15f/0x1e0 [ 783.503354][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 783.508365][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.514332][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.519341][ T4501] __device_attach+0x228/0x4a0 [ 783.524089][ T4501] ? really_probe+0xde0/0xde0 [ 783.528753][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 783.534023][ T4501] bus_probe_device+0x1e4/0x290 [ 783.538859][ T4501] device_add+0xbb2/0x1ce0 [ 783.543278][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 783.548656][ T4501] usb_new_device.cold+0x71d/0xfe9 [ 783.553763][ T4501] ? hub_disconnect+0x510/0x510 [ 783.558601][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 783.563541][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.569516][ T4501] hub_event+0x2348/0x42d0 [ 783.573928][ T4501] ? hub_port_debounce+0x3b0/0x3b0 [ 783.579033][ T4501] ? __lock_acquire+0x820/0x54f0 [ 783.583963][ T4501] ? put_pwq+0xb1/0x1b0 [ 783.588109][ T4501] ? lock_release+0x6d0/0x6d0 [ 783.592774][ T4501] ? lock_downgrade+0x6d0/0x6d0 [ 783.597615][ T4501] ? do_raw_spin_lock+0x120/0x2b0 [ 783.602624][ T4501] process_one_work+0x933/0x1520 [ 783.607548][ T4501] ? lock_release+0x6d0/0x6d0 [ 783.612209][ T4501] ? pwq_dec_nr_in_flight+0x320/0x320 executing program [ 783.617567][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 783.622492][ T4501] worker_thread+0x64c/0x1120 [ 783.627157][ T4501] ? __kthread_parkme+0x118/0x1d0 [ 783.632166][ T4501] ? process_one_work+0x1520/0x1520 [ 783.637349][ T4501] kthread+0x38c/0x460 [ 783.641406][ T4501] ? _raw_spin_unlock_irq+0x1f/0x30 [ 783.646590][ T4501] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 783.652489][ T4501] ret_from_fork+0x1f/0x30 [ 783.656897][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 783.665335][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 783.675411][ T2619] Workqueue: usb_hub_wq hub_event [ 783.680445][ T2619] Call Trace: [ 783.683745][ T2619] dump_stack+0x107/0x163 [ 783.688086][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 783.693034][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 783.698381][ T4501] usb-storage 3-1:0.0: USB Mass Storage device detected [ 783.698507][ T2619] sysfs_create_link+0x5f/0xc0 [ 783.710168][ T2619] device_add+0x79a/0x1ce0 [ 783.714599][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 783.720128][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 783.725501][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 783.730858][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 783.735780][ T2619] tty_register_device_attr+0x395/0x7b0 [ 783.741309][ T2619] ? put_tty_driver+0xa0/0xa0 [ 783.745968][ T2619] ? mark_held_locks+0x9f/0xe0 [ 783.750719][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.756681][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 783.762734][ T2619] hso_serial_common_create+0x124/0x8b0 [ 783.768263][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 783.773535][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 783.779324][ T2619] hso_probe+0xef9/0x1f70 [ 783.783639][ T2619] usb_probe_interface+0x315/0x7f0 [ 783.788737][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 783.794093][ T2619] really_probe+0x291/0xde0 [ 783.798581][ T2619] driver_probe_device+0x26b/0x3d0 [ 783.803676][ T2619] __device_attach_driver+0x1d1/0x290 [ 783.809052][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 783.815015][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 783.819849][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 783.824858][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.830820][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.835827][ T2619] __device_attach+0x228/0x4a0 [ 783.840575][ T2619] ? really_probe+0xde0/0xde0 [ 783.845236][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 783.850503][ T2619] bus_probe_device+0x1e4/0x290 [ 783.855336][ T2619] device_add+0xbb2/0x1ce0 [ 783.863818][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 783.869173][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.875138][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 783.880941][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.886039][ T2619] usb_set_configuration+0x113c/0x1910 [ 783.891481][ T2619] usb_generic_driver_probe+0xba/0x100 [ 783.896922][ T2619] usb_probe_device+0xd9/0x2c0 [ 783.901672][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 783.907726][ T2619] really_probe+0x291/0xde0 [ 783.912216][ T2619] driver_probe_device+0x26b/0x3d0 [ 783.917312][ T2619] __device_attach_driver+0x1d1/0x290 [ 783.922668][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 783.928629][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 783.933464][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 783.938475][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.944440][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 783.949472][ T2619] __device_attach+0x228/0x4a0 [ 783.954220][ T2619] ? really_probe+0xde0/0xde0 [ 783.958879][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 783.964159][ T2619] bus_probe_device+0x1e4/0x290 [ 783.968993][ T2619] device_add+0xbb2/0x1ce0 [ 783.973392][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 783.978749][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 783.983872][ T2619] ? hub_disconnect+0x510/0x510 [ 783.988706][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 783.993628][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 783.999589][ T2619] hub_event+0x2348/0x42d0 [ 784.004011][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 784.009104][ T2619] ? __lock_acquire+0x821/0x54f0 [ 784.014046][ T2619] ? put_pwq+0xb1/0x1b0 [ 784.018184][ T2619] ? lock_release+0x6d0/0x6d0 [ 784.022841][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 784.027675][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 784.032682][ T2619] process_one_work+0x933/0x1520 [ 784.037604][ T2619] ? rcuwait_wake_up+0x114/0x220 [ 784.042540][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 784.047916][ T2619] ? try_to_del_timer_sync+0xbf/0x110 [ 784.053289][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 784.058208][ T2619] worker_thread+0x82b/0x1120 [ 784.062868][ T2619] ? process_one_work+0x1520/0x1520 [ 784.068051][ T2619] kthread+0x38c/0x460 executing program executing program [ 784.072114][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 [ 784.077296][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 784.083173][ T2619] ret_from_fork+0x1f/0x30 [ 784.094090][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 784.113374][ T4386] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 784.122545][ T4386] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 784.129453][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 784.130574][ T4386] usb 1-1: Product: syz [ 784.137932][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 784.141625][ T4386] usb 1-1: Manufacturer: syz [ 784.153179][ T4386] usb 1-1: SerialNumber: syz [ 784.162915][ T4386] usb 1-1: config 0 descriptor?? [ 784.199979][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 784.211331][ T30] usb 5-1: USB disconnect, device number 5 executing program [ 784.249302][ T4415] usb 4-1: USB disconnect, device number 5 [ 784.281344][ T4410] usb 2-1: USB disconnect, device number 5 [ 784.318583][ T2619] usb 6-1: USB disconnect, device number 5 [ 784.346949][ T4492] usb 3-1: USB disconnect, device number 5 [ 784.443923][ T4386] hso 1-1:0.0: Failed to find BULK IN ep [ 784.451522][ T4386] usb-storage 1-1:0.0: USB Mass Storage device detected [ 784.573172][ T30] usb 5-1: new high-speed USB device number 6 using dummy_hcd executing program [ 784.644984][ T4386] usb 1-1: USB disconnect, device number 5 [ 784.656601][ T4415] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 784.683285][ T4410] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 784.703668][ T4492] usb 3-1: new high-speed USB device number 6 using dummy_hcd [ 784.711237][ T2619] usb 6-1: new high-speed USB device number 6 using dummy_hcd [ 785.043137][ T4386] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 785.093400][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 785.102548][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 785.110663][ T30] usb 5-1: Product: syz [ 785.115034][ T30] usb 5-1: Manufacturer: syz [ 785.119697][ T30] usb 5-1: SerialNumber: syz [ 785.126556][ T30] usb 5-1: config 0 descriptor?? [ 785.203288][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 785.212427][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 785.220669][ T4415] usb 4-1: Product: syz [ 785.224907][ T4415] usb 4-1: Manufacturer: syz [ 785.229491][ T4415] usb 4-1: SerialNumber: syz [ 785.234391][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 785.243507][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 785.251500][ T4410] usb 2-1: Product: syz [ 785.255836][ T4410] usb 2-1: Manufacturer: syz [ 785.260501][ T4410] usb 2-1: SerialNumber: syz [ 785.273553][ T4492] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 785.282611][ T4492] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 785.290714][ T4492] usb 3-1: Product: syz [ 785.294949][ T4492] usb 3-1: Manufacturer: syz [ 785.299547][ T4492] usb 3-1: SerialNumber: syz [ 785.304388][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 785.313511][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 785.321501][ T2619] usb 6-1: Product: syz [ 785.325806][ T2619] usb 6-1: Manufacturer: syz [ 785.330407][ T2619] usb 6-1: SerialNumber: syz [ 785.335692][ T4410] usb 2-1: config 0 descriptor?? [ 785.341352][ T4415] usb 4-1: config 0 descriptor?? [ 785.349021][ T4492] usb 3-1: config 0 descriptor?? [ 785.355043][ T2619] usb 6-1: config 0 descriptor?? [ 785.384886][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 785.396490][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 785.584795][ T4501] usb 5-1: USB disconnect, device number 6 [ 785.594983][ T4410] hso 2-1:0.0: Failed to find BULK IN ep [ 785.603519][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 785.611036][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 785.619553][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 785.629629][ T4415] Workqueue: usb_hub_wq hub_event [ 785.634672][ T4415] Call Trace: [ 785.637972][ T4415] dump_stack+0x107/0x163 [ 785.642315][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 785.647267][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 785.652739][ T4415] sysfs_create_link+0x5f/0xc0 [ 785.657509][ T4415] device_add+0x79a/0x1ce0 [ 785.661936][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 785.667487][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 785.672904][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 785.678270][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 785.683202][ T4415] tty_register_device_attr+0x395/0x7b0 [ 785.688753][ T4415] ? put_tty_driver+0xa0/0xa0 [ 785.693421][ T4415] ? mark_held_locks+0x9f/0xe0 [ 785.698169][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 785.704138][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 785.710184][ T4415] hso_serial_common_create+0x124/0x8b0 [ 785.715711][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 785.720989][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 785.726796][ T4415] hso_probe+0xef9/0x1f70 [ 785.731125][ T4415] usb_probe_interface+0x315/0x7f0 [ 785.736332][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 785.741684][ T4415] really_probe+0x291/0xde0 [ 785.746168][ T4415] driver_probe_device+0x26b/0x3d0 [ 785.751261][ T4415] __device_attach_driver+0x1d1/0x290 [ 785.756625][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 785.762668][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 785.767509][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 785.772525][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 785.778494][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 785.783512][ T4415] __device_attach+0x228/0x4a0 [ 785.788255][ T4415] ? really_probe+0xde0/0xde0 [ 785.792913][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 785.798188][ T4415] bus_probe_device+0x1e4/0x290 [ 785.803032][ T4415] device_add+0xbb2/0x1ce0 [ 785.807454][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 785.812815][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 785.818777][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 785.824663][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 785.829668][ T4415] usb_set_configuration+0x113c/0x1910 [ 785.835119][ T4415] usb_generic_driver_probe+0xba/0x100 [ 785.840588][ T4415] usb_probe_device+0xd9/0x2c0 [ 785.845363][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 785.851410][ T4415] really_probe+0x291/0xde0 [ 785.855895][ T4415] driver_probe_device+0x26b/0x3d0 [ 785.860989][ T4415] __device_attach_driver+0x1d1/0x290 [ 785.866429][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 785.872390][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 785.877224][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 785.882227][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 785.888197][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 785.893646][ T4415] __device_attach+0x228/0x4a0 [ 785.898390][ T4415] ? really_probe+0xde0/0xde0 [ 785.903047][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 785.908310][ T4415] bus_probe_device+0x1e4/0x290 [ 785.913140][ T4415] device_add+0xbb2/0x1ce0 [ 785.917540][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 785.922894][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 785.927988][ T4415] ? hub_disconnect+0x510/0x510 [ 785.932820][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 785.937738][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 785.943701][ T4415] hub_event+0x2348/0x42d0 [ 785.948101][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 785.953191][ T4415] ? __lock_acquire+0x821/0x54f0 [ 785.958109][ T4415] ? put_pwq+0xb1/0x1b0 [ 785.962264][ T4415] ? lock_release+0x6d0/0x6d0 [ 785.966949][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 785.971786][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 785.976791][ T4415] process_one_work+0x933/0x1520 [ 785.981730][ T4415] ? lock_release+0x6d0/0x6d0 [ 785.986387][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 785.991751][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 785.996669][ T4415] worker_thread+0x82b/0x1120 [ 786.001338][ T4415] ? process_one_work+0x1520/0x1520 [ 786.006525][ T4415] kthread+0x38c/0x460 [ 786.010610][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 786.015817][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 786.021702][ T4415] ret_from_fork+0x1f/0x30 [ 786.029167][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 786.036748][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 786.045161][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 786.055232][ T2619] Workqueue: usb_hub_wq hub_event [ 786.060265][ T2619] Call Trace: [ 786.063564][ T2619] dump_stack+0x107/0x163 [ 786.067913][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 786.072864][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 786.078337][ T2619] sysfs_create_link+0x5f/0xc0 executing program executing program [ 786.083111][ T2619] device_add+0x79a/0x1ce0 [ 786.087539][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 786.093091][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 786.098467][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 786.103846][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 786.108795][ T2619] tty_register_device_attr+0x395/0x7b0 [ 786.114349][ T2619] ? put_tty_driver+0xa0/0xa0 [ 786.119035][ T2619] ? mark_held_locks+0x9f/0xe0 [ 786.123810][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.129811][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 786.135863][ T2619] hso_serial_common_create+0x124/0x8b0 [ 786.141395][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 786.146674][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 786.152472][ T2619] hso_probe+0xef9/0x1f70 [ 786.156792][ T2619] usb_probe_interface+0x315/0x7f0 [ 786.161918][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 786.167281][ T2619] really_probe+0x291/0xde0 [ 786.171786][ T2619] driver_probe_device+0x26b/0x3d0 [ 786.176890][ T2619] __device_attach_driver+0x1d1/0x290 [ 786.182246][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 786.188206][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 786.193037][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 786.198056][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.204015][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.209020][ T2619] __device_attach+0x228/0x4a0 [ 786.213764][ T2619] ? really_probe+0xde0/0xde0 [ 786.218424][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 786.223697][ T2619] bus_probe_device+0x1e4/0x290 [ 786.228526][ T2619] device_add+0xbb2/0x1ce0 executing program [ 786.232923][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 786.238297][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.244285][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 786.250096][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.255128][ T2619] usb_set_configuration+0x113c/0x1910 [ 786.261031][ T2619] usb_generic_driver_probe+0xba/0x100 [ 786.266497][ T2619] usb_probe_device+0xd9/0x2c0 [ 786.271246][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 786.277300][ T2619] really_probe+0x291/0xde0 [ 786.281786][ T2619] driver_probe_device+0x26b/0x3d0 [ 786.286878][ T2619] __device_attach_driver+0x1d1/0x290 [ 786.292239][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 786.298203][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 786.303043][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 786.308061][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.314029][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.319055][ T2619] __device_attach+0x228/0x4a0 [ 786.323812][ T2619] ? really_probe+0xde0/0xde0 [ 786.328498][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 786.333772][ T2619] bus_probe_device+0x1e4/0x290 [ 786.338613][ T2619] device_add+0xbb2/0x1ce0 [ 786.343028][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 786.348452][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 786.353551][ T2619] ? hub_disconnect+0x510/0x510 [ 786.358409][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 786.363332][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.369294][ T2619] hub_event+0x2348/0x42d0 [ 786.373696][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 786.378789][ T2619] ? __lock_acquire+0x821/0x54f0 [ 786.383708][ T2619] ? put_pwq+0xb1/0x1b0 [ 786.387842][ T2619] ? lock_release+0x6d0/0x6d0 [ 786.392498][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 786.397351][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 786.402371][ T2619] process_one_work+0x933/0x1520 [ 786.407308][ T2619] ? rcuwait_wake_up+0x114/0x220 [ 786.412260][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 786.417619][ T2619] ? try_to_del_timer_sync+0xbf/0x110 [ 786.422984][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 786.427916][ T2619] worker_thread+0x82b/0x1120 [ 786.432646][ T2619] ? process_one_work+0x1520/0x1520 [ 786.438100][ T2619] kthread+0x38c/0x460 [ 786.442201][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 [ 786.447399][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 786.453285][ T2619] ret_from_fork+0x1f/0x30 [ 786.458138][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 786.465740][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 786.474152][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 786.484231][ T4492] Workqueue: usb_hub_wq hub_event [ 786.489279][ T4492] Call Trace: [ 786.492557][ T4492] dump_stack+0x107/0x163 [ 786.496875][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 786.501799][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 786.507247][ T4492] sysfs_create_link+0x5f/0xc0 [ 786.511995][ T4492] device_add+0x79a/0x1ce0 [ 786.516396][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 786.521926][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 786.527282][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 786.532652][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 786.537576][ T4492] tty_register_device_attr+0x395/0x7b0 [ 786.543105][ T4492] ? put_tty_driver+0xa0/0xa0 [ 786.547764][ T4492] ? mark_held_locks+0x9f/0xe0 [ 786.552510][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.558473][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 786.564537][ T4492] hso_serial_common_create+0x124/0x8b0 [ 786.570074][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 786.575351][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 786.581147][ T4492] hso_probe+0xef9/0x1f70 [ 786.585468][ T4492] usb_probe_interface+0x315/0x7f0 [ 786.590570][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 786.595947][ T4492] really_probe+0x291/0xde0 [ 786.600436][ T4492] driver_probe_device+0x26b/0x3d0 [ 786.605548][ T4492] __device_attach_driver+0x1d1/0x290 [ 786.610912][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 786.616883][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 786.621728][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 786.626741][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.632726][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.637739][ T4492] __device_attach+0x228/0x4a0 [ 786.642493][ T4492] ? really_probe+0xde0/0xde0 [ 786.647155][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 786.652422][ T4492] bus_probe_device+0x1e4/0x290 [ 786.657258][ T4492] device_add+0xbb2/0x1ce0 [ 786.661657][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 786.667013][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.672981][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 786.678768][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.683800][ T4492] usb_set_configuration+0x113c/0x1910 [ 786.689242][ T4492] usb_generic_driver_probe+0xba/0x100 [ 786.694702][ T4492] usb_probe_device+0xd9/0x2c0 [ 786.699467][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 786.705526][ T4492] really_probe+0x291/0xde0 [ 786.710030][ T4492] driver_probe_device+0x26b/0x3d0 [ 786.715125][ T4492] __device_attach_driver+0x1d1/0x290 [ 786.720480][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 786.726444][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 786.731278][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 786.736286][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.742246][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 786.747253][ T4492] __device_attach+0x228/0x4a0 [ 786.752001][ T4492] ? really_probe+0xde0/0xde0 [ 786.756660][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 786.761930][ T4492] bus_probe_device+0x1e4/0x290 [ 786.766762][ T4492] device_add+0xbb2/0x1ce0 [ 786.771160][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 786.776517][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 786.781610][ T4492] ? hub_disconnect+0x510/0x510 [ 786.786445][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 786.791391][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 786.797364][ T4492] hub_event+0x2348/0x42d0 [ 786.801767][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 786.806862][ T4492] ? __lock_acquire+0x821/0x54f0 [ 786.811786][ T4492] ? put_pwq+0xb1/0x1b0 [ 786.815927][ T4492] ? lock_release+0x6d0/0x6d0 [ 786.820585][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 786.825508][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 786.830518][ T4492] process_one_work+0x933/0x1520 [ 786.835439][ T4492] ? lock_release+0x6d0/0x6d0 [ 786.840100][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 786.845455][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 786.850375][ T4492] worker_thread+0x64c/0x1120 [ 786.855037][ T4492] ? process_one_work+0x1520/0x1520 [ 786.860235][ T4492] kthread+0x38c/0x460 [ 786.864290][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 786.869471][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 786.875344][ T4492] ret_from_fork+0x1f/0x30 [ 786.883035][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 786.883216][ T4386] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 786.899231][ T4386] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 786.900528][ T4492] usb-storage 3-1:0.0: USB Mass Storage device detected [ 786.907246][ T4386] usb 1-1: Product: syz [ 786.907258][ T4386] usb 1-1: Manufacturer: syz [ 786.907271][ T4386] usb 1-1: SerialNumber: syz [ 786.928190][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 786.935706][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 786.946710][ T4410] usb 2-1: USB disconnect, device number 6 [ 786.969516][ T4386] usb 1-1: config 0 descriptor?? executing program [ 787.032257][ T2204] usb 6-1: USB disconnect, device number 6 [ 787.068971][ T4415] usb 4-1: USB disconnect, device number 6 [ 787.118833][ T4492] usb 3-1: USB disconnect, device number 6 [ 787.182972][ T4501] usb 5-1: new high-speed USB device number 7 using dummy_hcd [ 787.263687][ T4386] hso 1-1:0.0: Failed to find BULK IN ep [ 787.271592][ T4386] usb-storage 1-1:0.0: USB Mass Storage device detected [ 787.313120][ T4410] usb 2-1: new high-speed USB device number 7 using dummy_hcd executing program [ 787.422954][ T4415] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 787.442953][ T2204] usb 6-1: new high-speed USB device number 7 using dummy_hcd [ 787.464541][ T2619] usb 1-1: USB disconnect, device number 6 [ 787.473096][ T4492] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 787.783200][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 787.792350][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 787.800414][ T4501] usb 5-1: Product: syz [ 787.804676][ T4501] usb 5-1: Manufacturer: syz [ 787.809263][ T4501] usb 5-1: SerialNumber: syz [ 787.819434][ T4501] usb 5-1: config 0 descriptor?? [ 787.823117][ T2619] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 787.833187][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 787.842313][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 787.850446][ T4410] usb 2-1: Product: syz [ 787.854746][ T4410] usb 2-1: Manufacturer: syz [ 787.859395][ T4410] usb 2-1: SerialNumber: syz [ 787.866437][ T4410] usb 2-1: config 0 descriptor?? [ 787.943301][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 787.952340][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 787.960381][ T4415] usb 4-1: Product: syz [ 787.964592][ T4415] usb 4-1: Manufacturer: syz [ 787.969174][ T4415] usb 4-1: SerialNumber: syz [ 787.976063][ T4415] usb 4-1: config 0 descriptor?? [ 788.033057][ T4492] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 788.042194][ T4492] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 788.050467][ T4492] usb 3-1: Product: syz [ 788.054707][ T4492] usb 3-1: Manufacturer: syz [ 788.059322][ T4492] usb 3-1: SerialNumber: syz [ 788.065902][ T4492] usb 3-1: config 0 descriptor?? [ 788.075690][ T2204] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 788.084796][ T2204] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 788.092778][ T2204] usb 6-1: Product: syz [ 788.097255][ T2204] usb 6-1: Manufacturer: syz [ 788.101847][ T2204] usb 6-1: SerialNumber: syz [ 788.107411][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 788.115061][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected [ 788.123977][ T4410] hso 2-1:0.0: Failed to find BULK IN ep [ 788.133781][ T2204] usb 6-1: config 0 descriptor?? [ 788.140101][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 788.223989][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 788.231613][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected executing program executing program [ 788.298898][ T4410] usb 5-1: USB disconnect, device number 7 [ 788.325012][ T4492] hso 3-1:0.0: Failed to find BULK IN ep [ 788.332432][ T4492] usb-storage 3-1:0.0: USB Mass Storage device detected [ 788.358063][ T30] usb 2-1: USB disconnect, device number 7 [ 788.392991][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 executing program [ 788.402063][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 788.410362][ T2619] usb 1-1: Product: syz [ 788.414586][ T2619] usb 1-1: Manufacturer: syz [ 788.419202][ T2619] usb 1-1: SerialNumber: syz [ 788.421402][ T2204] hso 6-1:0.0: Failed to find BULK IN ep [ 788.431081][ T2204] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 788.468141][ T4492] usb 4-1: USB disconnect, device number 7 [ 788.476894][ T2619] usb 1-1: config 0 descriptor?? [ 788.527449][ T4415] usb 3-1: USB disconnect, device number 7 executing program [ 788.595051][ T2204] usb 6-1: USB disconnect, device number 7 [ 788.682874][ T4410] usb 5-1: new high-speed USB device number 8 using dummy_hcd [ 788.732935][ T30] usb 2-1: new high-speed USB device number 8 using dummy_hcd [ 788.753929][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 788.761364][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 788.843092][ T4492] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 788.902846][ T4415] usb 3-1: new high-speed USB device number 8 using dummy_hcd executing program [ 788.954124][ T4501] usb 1-1: USB disconnect, device number 7 [ 788.973078][ T2204] usb 6-1: new high-speed USB device number 8 using dummy_hcd [ 789.203196][ T4410] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.212236][ T4410] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 789.220391][ T4410] usb 5-1: Product: syz [ 789.224737][ T4410] usb 5-1: Manufacturer: syz [ 789.229325][ T4410] usb 5-1: SerialNumber: syz [ 789.240154][ T4410] usb 5-1: config 0 descriptor?? [ 789.273081][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.282242][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 789.290302][ T30] usb 2-1: Product: syz [ 789.294496][ T30] usb 2-1: Manufacturer: syz [ 789.299076][ T30] usb 2-1: SerialNumber: syz [ 789.312254][ T30] usb 2-1: config 0 descriptor?? [ 789.383126][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.383187][ T4501] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 789.392222][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 789.408072][ T4492] usb 4-1: Product: syz [ 789.412281][ T4492] usb 4-1: Manufacturer: syz [ 789.416972][ T4492] usb 4-1: SerialNumber: syz [ 789.423393][ T4492] usb 4-1: config 0 descriptor?? [ 789.463007][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.472168][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 789.480327][ T4415] usb 3-1: Product: syz [ 789.484539][ T4415] usb 3-1: Manufacturer: syz [ 789.489188][ T4415] usb 3-1: SerialNumber: syz [ 789.497218][ T4415] usb 3-1: config 0 descriptor?? [ 789.514590][ T4410] hso 5-1:0.0: Failed to find BULK IN ep [ 789.524218][ T4410] usb-storage 5-1:0.0: USB Mass Storage device detected [ 789.553311][ T2204] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.562471][ T2204] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 789.570535][ T2204] usb 6-1: Product: syz [ 789.574749][ T2204] usb 6-1: Manufacturer: syz [ 789.579343][ T2204] usb 6-1: SerialNumber: syz [ 789.582329][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 789.591215][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 789.596440][ T2204] usb 6-1: config 0 descriptor?? [ 789.674075][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 789.681799][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 789.714873][ T4925] usb 5-1: USB disconnect, device number 8 [ 789.754192][ T4415] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 789.761857][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 789.778400][ T4492] usb 2-1: USB disconnect, device number 8 executing program [ 789.875187][ T4415] usb 4-1: USB disconnect, device number 8 [ 789.875578][ T2204] hso 6-1:0.0: Failed to find BULK IN ep [ 789.893775][ T2204] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 789.954675][ T7] usb 3-1: USB disconnect, device number 8 [ 789.983637][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 789.992703][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 790.000766][ T4501] usb 1-1: Product: syz [ 790.004990][ T4501] usb 1-1: Manufacturer: syz [ 790.009596][ T4501] usb 1-1: SerialNumber: syz [ 790.022666][ T4501] usb 1-1: config 0 descriptor?? executing program [ 790.081227][ T30] usb 6-1: USB disconnect, device number 8 [ 790.113048][ T4925] usb 5-1: new high-speed USB device number 9 using dummy_hcd [ 790.182785][ T4492] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 790.282753][ T4415] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 790.294569][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 790.302663][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 790.343043][ T7] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 790.442873][ T30] usb 6-1: new high-speed USB device number 9 using dummy_hcd executing program [ 790.494722][ T4501] usb 1-1: USB disconnect, device number 8 [ 790.702942][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 790.712065][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 790.720128][ T4492] usb 2-1: Product: syz [ 790.724460][ T4492] usb 2-1: Manufacturer: syz [ 790.729046][ T4492] usb 2-1: SerialNumber: syz [ 790.732922][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 790.737937][ T4492] usb 2-1: config 0 descriptor?? [ 790.742763][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 790.755657][ T4925] usb 5-1: Product: syz [ 790.759818][ T4925] usb 5-1: Manufacturer: syz [ 790.764624][ T4925] usb 5-1: SerialNumber: syz [ 790.772186][ T4925] usb 5-1: config 0 descriptor?? [ 790.813176][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 790.822227][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 790.830434][ T4415] usb 4-1: Product: syz [ 790.834663][ T4415] usb 4-1: Manufacturer: syz [ 790.839261][ T4415] usb 4-1: SerialNumber: syz [ 790.845708][ T4415] usb 4-1: config 0 descriptor?? [ 790.952792][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 790.961881][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 790.969942][ T7] usb 3-1: Product: syz [ 790.974153][ T7] usb 3-1: Manufacturer: syz [ 790.978741][ T7] usb 3-1: SerialNumber: syz [ 790.982862][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 790.983708][ T4501] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 790.992403][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 791.004626][ T7] usb 3-1: config 0 descriptor?? [ 791.007880][ T30] usb 6-1: Product: syz [ 791.016928][ T30] usb 6-1: Manufacturer: syz [ 791.021535][ T30] usb 6-1: SerialNumber: syz [ 791.027254][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 791.038202][ T30] usb 6-1: config 0 descriptor?? [ 791.044246][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 791.044880][ T4925] hso 5-1:0.0: Failed to find BULK IN ep [ 791.092620][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 791.106582][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 791.114563][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected executing program executing program [ 791.241350][ T4415] usb 2-1: USB disconnect, device number 9 [ 791.254464][ T4925] usb 5-1: USB disconnect, device number 9 [ 791.293955][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 791.305505][ T4492] usb 4-1: USB disconnect, device number 9 [ 791.313395][ T30] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 791.319575][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 791.320965][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 executing program [ 791.336041][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 791.346116][ T30] Workqueue: usb_hub_wq hub_event [ 791.351155][ T30] Call Trace: [ 791.354455][ T30] dump_stack+0x107/0x163 [ 791.358794][ T30] sysfs_warn_dup.cold+0x1c/0x29 [ 791.363744][ T30] sysfs_do_create_link_sd+0x11e/0x140 [ 791.369212][ T30] sysfs_create_link+0x5f/0xc0 [ 791.373984][ T30] device_add+0x79a/0x1ce0 [ 791.378411][ T30] ? lockdep_init_map_waits+0x26a/0x700 [ 791.383965][ T30] ? devlink_add_symlinks+0x450/0x450 [ 791.389347][ T30] ? __init_waitqueue_head+0x97/0x110 [ 791.394732][ T30] ? pm_runtime_init+0x2cf/0x3b0 [ 791.399676][ T30] tty_register_device_attr+0x395/0x7b0 [ 791.405211][ T30] ? put_tty_driver+0xa0/0xa0 [ 791.409873][ T30] ? mark_held_locks+0x9f/0xe0 [ 791.414622][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 791.420586][ T30] ? tty_port_register_device_attr+0xbc/0x110 [ 791.426660][ T30] hso_serial_common_create+0x124/0x8b0 [ 791.432195][ T30] ? kasan_unpoison_shadow+0x33/0x40 [ 791.437464][ T30] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 791.443257][ T30] hso_probe+0xef9/0x1f70 [ 791.447570][ T30] usb_probe_interface+0x315/0x7f0 [ 791.452663][ T30] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 791.458018][ T30] really_probe+0x291/0xde0 [ 791.462612][ T30] driver_probe_device+0x26b/0x3d0 [ 791.467714][ T30] __device_attach_driver+0x1d1/0x290 [ 791.473087][ T30] ? driver_allows_async_probing+0x150/0x150 [ 791.479049][ T30] bus_for_each_drv+0x15f/0x1e0 [ 791.483898][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 791.488921][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 791.494884][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 791.499894][ T30] __device_attach+0x228/0x4a0 [ 791.504645][ T30] ? really_probe+0xde0/0xde0 [ 791.509324][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 791.514592][ T30] bus_probe_device+0x1e4/0x290 [ 791.519423][ T30] device_add+0xbb2/0x1ce0 [ 791.523830][ T30] ? devlink_add_symlinks+0x450/0x450 [ 791.529184][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 791.535157][ T30] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 791.540944][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 791.545953][ T30] usb_set_configuration+0x113c/0x1910 [ 791.551397][ T30] usb_generic_driver_probe+0xba/0x100 [ 791.556842][ T30] usb_probe_device+0xd9/0x2c0 [ 791.561590][ T30] ? usb_driver_release_interface+0x180/0x180 [ 791.567657][ T30] really_probe+0x291/0xde0 [ 791.572150][ T30] driver_probe_device+0x26b/0x3d0 [ 791.577247][ T30] __device_attach_driver+0x1d1/0x290 [ 791.582607][ T30] ? driver_allows_async_probing+0x150/0x150 [ 791.588579][ T30] bus_for_each_drv+0x15f/0x1e0 [ 791.593421][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 791.598441][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 791.604413][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 791.609426][ T30] __device_attach+0x228/0x4a0 [ 791.614175][ T30] ? really_probe+0xde0/0xde0 [ 791.618839][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 791.624107][ T30] bus_probe_device+0x1e4/0x290 [ 791.628942][ T30] device_add+0xbb2/0x1ce0 [ 791.633343][ T30] ? devlink_add_symlinks+0x450/0x450 [ 791.638701][ T30] usb_new_device.cold+0x71d/0xfe9 [ 791.643797][ T30] ? hub_disconnect+0x510/0x510 [ 791.648629][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 791.653550][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 791.659532][ T30] hub_event+0x2348/0x42d0 [ 791.663935][ T30] ? hub_port_debounce+0x3b0/0x3b0 [ 791.669029][ T30] ? __lock_acquire+0x820/0x54f0 [ 791.673952][ T30] ? put_pwq+0xb1/0x1b0 [ 791.678089][ T30] ? lock_release+0x6d0/0x6d0 [ 791.682747][ T30] ? lock_downgrade+0x6d0/0x6d0 [ 791.687578][ T30] ? do_raw_spin_lock+0x120/0x2b0 [ 791.692614][ T30] process_one_work+0x933/0x1520 [ 791.697537][ T30] ? lock_release+0x6d0/0x6d0 [ 791.702200][ T30] ? pwq_dec_nr_in_flight+0x320/0x320 [ 791.707554][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 791.712475][ T30] worker_thread+0x64c/0x1120 [ 791.717151][ T30] ? __kthread_parkme+0x118/0x1d0 [ 791.722160][ T30] ? process_one_work+0x1520/0x1520 [ 791.727340][ T30] kthread+0x38c/0x460 [ 791.731413][ T30] ? _raw_spin_unlock_irq+0x1f/0x30 [ 791.736593][ T30] ? kthread_create_worker_on_cpu+0xf0/0xf0 executing program executing program [ 791.742468][ T30] ret_from_fork+0x1f/0x30 [ 791.763967][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 791.827572][ T7] usb 3-1: USB disconnect, device number 9 [ 791.861393][ T30] usb 6-1: USB disconnect, device number 9 [ 792.012750][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.021841][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.029941][ T4501] usb 1-1: Product: syz [ 792.034205][ T4501] usb 1-1: Manufacturer: syz [ 792.038791][ T4501] usb 1-1: SerialNumber: syz [ 792.047358][ T4501] usb 1-1: config 0 descriptor?? [ 792.052792][ T4925] usb 5-1: new high-speed USB device number 10 using dummy_hcd [ 792.055489][ T4415] usb 2-1: new high-speed USB device number 10 using dummy_hcd [ 792.112838][ T4492] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 792.212658][ T7] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 792.222654][ T30] usb 6-1: new high-speed USB device number 10 using dummy_hcd [ 792.323508][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 792.330471][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 792.524216][ T4410] usb 1-1: USB disconnect, device number 9 [ 792.582922][ T4415] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.592036][ T4415] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.600132][ T4415] usb 2-1: Product: syz [ 792.604358][ T4415] usb 2-1: Manufacturer: syz [ 792.608939][ T4415] usb 2-1: SerialNumber: syz [ 792.615986][ T4415] usb 2-1: config 0 descriptor?? [ 792.652941][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.662020][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.670134][ T4492] usb 4-1: Product: syz [ 792.674453][ T4492] usb 4-1: Manufacturer: syz [ 792.679036][ T4492] usb 4-1: SerialNumber: syz [ 792.682779][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.692691][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.700674][ T4925] usb 5-1: Product: syz [ 792.703205][ T4492] usb 4-1: config 0 descriptor?? [ 792.705302][ T4925] usb 5-1: Manufacturer: syz [ 792.714763][ T4925] usb 5-1: SerialNumber: syz [ 792.723500][ T4925] usb 5-1: config 0 descriptor?? [ 792.772762][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.781841][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.790071][ T30] usb 6-1: Product: syz [ 792.794313][ T30] usb 6-1: Manufacturer: syz [ 792.798920][ T30] usb 6-1: SerialNumber: syz [ 792.803443][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 792.806112][ T30] usb 6-1: config 0 descriptor?? [ 792.812534][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 792.825444][ T7] usb 3-1: Product: syz [ 792.829608][ T7] usb 3-1: Manufacturer: syz [ 792.834268][ T7] usb 3-1: SerialNumber: syz [ 792.843694][ T7] usb 3-1: config 0 descriptor?? [ 792.863888][ T4415] hso 2-1:0.0: Failed to find BULK IN ep [ 792.874041][ T4415] usb-storage 2-1:0.0: USB Mass Storage device detected [ 792.963267][ T4410] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 792.971353][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 792.979905][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 792.994273][ T4925] hso 5-1:0.0: Failed to find BULK IN ep [ 793.002597][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 793.064650][ T4492] usb 2-1: USB disconnect, device number 10 [ 793.076298][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 793.094283][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 793.095050][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 793.108692][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected executing program executing program [ 793.168189][ T4415] usb 4-1: USB disconnect, device number 10 [ 793.198158][ T4501] usb 5-1: USB disconnect, device number 10 executing program executing program [ 793.283050][ T30] usb 6-1: USB disconnect, device number 10 [ 793.295671][ T7] usb 3-1: USB disconnect, device number 10 [ 793.442635][ T4492] usb 2-1: new high-speed USB device number 11 using dummy_hcd [ 793.482716][ T4410] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 793.491828][ T4410] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 793.499892][ T4410] usb 1-1: Product: syz [ 793.504144][ T4410] usb 1-1: Manufacturer: syz [ 793.508736][ T4410] usb 1-1: SerialNumber: syz [ 793.515695][ T4410] usb 1-1: config 0 descriptor?? [ 793.582668][ T4415] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 793.592777][ T4501] usb 5-1: new high-speed USB device number 11 using dummy_hcd [ 793.712577][ T30] usb 6-1: new high-speed USB device number 11 using dummy_hcd [ 793.762613][ T7] usb 3-1: new high-speed USB device number 11 using dummy_hcd [ 793.774559][ T4410] hso 1-1:0.0: Failed to find BULK IN ep [ 793.781957][ T4410] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 793.974069][ T4925] usb 1-1: USB disconnect, device number 10 [ 793.992938][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.001979][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.010226][ T4492] usb 2-1: Product: syz [ 794.014470][ T4492] usb 2-1: Manufacturer: syz [ 794.019060][ T4492] usb 2-1: SerialNumber: syz [ 794.033959][ T4492] usb 2-1: config 0 descriptor?? [ 794.102682][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.111775][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.119986][ T4415] usb 4-1: Product: syz [ 794.124251][ T4415] usb 4-1: Manufacturer: syz [ 794.128840][ T4415] usb 4-1: SerialNumber: syz [ 794.139144][ T4415] usb 4-1: config 0 descriptor?? [ 794.192793][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.201850][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.210033][ T4501] usb 5-1: Product: syz [ 794.214247][ T4501] usb 5-1: Manufacturer: syz [ 794.218827][ T4501] usb 5-1: SerialNumber: syz [ 794.227539][ T4501] usb 5-1: config 0 descriptor?? [ 794.252678][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.261940][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.270157][ T30] usb 6-1: Product: syz [ 794.274398][ T30] usb 6-1: Manufacturer: syz [ 794.278984][ T30] usb 6-1: SerialNumber: syz [ 794.285760][ T30] usb 6-1: config 0 descriptor?? [ 794.303730][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 794.311906][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 794.372825][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.381895][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.389954][ T7] usb 3-1: Product: syz [ 794.394169][ T7] usb 3-1: Manufacturer: syz [ 794.399411][ T7] usb 3-1: SerialNumber: syz [ 794.404071][ T4925] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 794.423467][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 794.423878][ T7] usb 3-1: config 0 descriptor?? [ 794.433792][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 794.509332][ T4415] usb 2-1: USB disconnect, device number 11 [ 794.509508][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 794.541127][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected [ 794.543443][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 794.569523][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 794.625526][ T4492] usb 4-1: USB disconnect, device number 11 executing program executing program [ 794.706893][ T4501] usb 5-1: USB disconnect, device number 11 [ 794.724322][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 794.743941][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 794.744721][ T30] usb 6-1: USB disconnect, device number 11 executing program [ 794.922609][ T4415] usb 2-1: new high-speed USB device number 12 using dummy_hcd [ 794.924382][ T7] usb 3-1: USB disconnect, device number 11 [ 794.982849][ T4925] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 794.992104][ T4925] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 794.992571][ T4492] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 795.000139][ T4925] usb 1-1: Product: syz [ 795.000152][ T4925] usb 1-1: Manufacturer: syz [ 795.000170][ T4925] usb 1-1: SerialNumber: syz [ 795.023397][ T4925] usb 1-1: config 0 descriptor?? [ 795.132650][ T30] usb 6-1: new high-speed USB device number 12 using dummy_hcd [ 795.162517][ T4501] usb 5-1: new high-speed USB device number 12 using dummy_hcd [ 795.303297][ T4925] hso 1-1:0.0: Failed to find BULK IN ep [ 795.311217][ T4925] usb-storage 1-1:0.0: USB Mass Storage device detected [ 795.332546][ T7] usb 3-1: new high-speed USB device number 12 using dummy_hcd [ 795.452742][ T4415] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 795.461838][ T4415] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 795.469949][ T4415] usb 2-1: Product: syz [ 795.474212][ T4415] usb 2-1: Manufacturer: syz [ 795.478812][ T4415] usb 2-1: SerialNumber: syz [ 795.487656][ T4415] usb 2-1: config 0 descriptor?? executing program [ 795.504037][ T4925] usb 1-1: USB disconnect, device number 11 [ 795.522583][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 795.531715][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 795.539940][ T4492] usb 4-1: Product: syz [ 795.544347][ T4492] usb 4-1: Manufacturer: syz [ 795.548956][ T4492] usb 4-1: SerialNumber: syz [ 795.576747][ T4492] usb 4-1: config 0 descriptor?? [ 795.672587][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 795.681686][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 795.689748][ T30] usb 6-1: Product: syz [ 795.694014][ T30] usb 6-1: Manufacturer: syz [ 795.698600][ T30] usb 6-1: SerialNumber: syz [ 795.705584][ T30] usb 6-1: config 0 descriptor?? [ 795.732742][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 795.741887][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 795.749948][ T4501] usb 5-1: Product: syz [ 795.754156][ T4501] usb 5-1: Manufacturer: syz [ 795.754382][ T4415] hso 2-1:0.0: Failed to find BULK IN ep [ 795.758741][ T4501] usb 5-1: SerialNumber: syz [ 795.776633][ T4415] usb-storage 2-1:0.0: USB Mass Storage device detected [ 795.777631][ T4501] usb 5-1: config 0 descriptor?? [ 795.833332][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 795.840170][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 795.902604][ T4925] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 795.932845][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 795.941941][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 795.950098][ T7] usb 3-1: Product: syz [ 795.954368][ T7] usb 3-1: Manufacturer: syz [ 795.957263][ T4492] usb 2-1: USB disconnect, device number 12 [ 795.958961][ T7] usb 3-1: SerialNumber: syz [ 795.970750][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 795.984181][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 796.004498][ T7] usb 3-1: config 0 descriptor?? executing program [ 796.034103][ T5121] usb 4-1: USB disconnect, device number 12 [ 796.063706][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 796.084131][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 796.181959][ T4415] usb 6-1: USB disconnect, device number 12 executing program [ 796.264677][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 796.271268][ T4501] usb 5-1: USB disconnect, device number 12 [ 796.280249][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 796.342532][ T4492] usb 2-1: new high-speed USB device number 13 using dummy_hcd [ 796.412448][ T5121] usb 4-1: new high-speed USB device number 13 using dummy_hcd executing program [ 796.465933][ T7] usb 3-1: USB disconnect, device number 12 [ 796.476120][ T4925] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 796.485207][ T4925] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 796.493311][ T4925] usb 1-1: Product: syz [ 796.497482][ T4925] usb 1-1: Manufacturer: syz [ 796.502071][ T4925] usb 1-1: SerialNumber: syz [ 796.533176][ T4925] usb 1-1: config 0 descriptor?? [ 796.542669][ T4415] usb 6-1: new high-speed USB device number 13 using dummy_hcd [ 796.662421][ T4501] usb 5-1: new high-speed USB device number 13 using dummy_hcd [ 796.813420][ T4925] hso 1-1:0.0: Failed to find BULK IN ep [ 796.821290][ T4925] usb-storage 1-1:0.0: USB Mass Storage device detected [ 796.862646][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 796.871745][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 796.882453][ T4492] usb 2-1: Product: syz [ 796.882984][ T7] usb 3-1: new high-speed USB device number 13 using dummy_hcd [ 796.886613][ T4492] usb 2-1: Manufacturer: syz [ 796.898761][ T4492] usb 2-1: SerialNumber: syz [ 796.923192][ T4492] usb 2-1: config 0 descriptor?? executing program [ 797.012624][ T5121] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 797.014129][ T30] usb 1-1: USB disconnect, device number 12 [ 797.021680][ T5121] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 797.035620][ T5121] usb 4-1: Product: syz [ 797.039786][ T5121] usb 4-1: Manufacturer: syz [ 797.044433][ T5121] usb 4-1: SerialNumber: syz [ 797.056782][ T5121] usb 4-1: config 0 descriptor?? [ 797.102544][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 797.111634][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 797.119805][ T4415] usb 6-1: Product: syz [ 797.124149][ T4415] usb 6-1: Manufacturer: syz [ 797.128748][ T4415] usb 6-1: SerialNumber: syz [ 797.135423][ T4415] usb 6-1: config 0 descriptor?? [ 797.174011][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 797.181015][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 797.272913][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 797.281980][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 797.290086][ T4501] usb 5-1: Product: syz [ 797.294471][ T4501] usb 5-1: Manufacturer: syz [ 797.299061][ T4501] usb 5-1: SerialNumber: syz [ 797.305587][ T4501] usb 5-1: config 0 descriptor?? [ 797.313277][ T5121] hso 4-1:0.0: Failed to find BULK IN ep [ 797.334223][ T5121] usb-storage 4-1:0.0: USB Mass Storage device detected [ 797.374392][ T4925] usb 2-1: USB disconnect, device number 13 executing program [ 797.393395][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 797.412597][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 797.442510][ T30] usb 1-1: new high-speed USB device number 13 using dummy_hcd executing program [ 797.487909][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 797.497056][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 797.505110][ T7] usb 3-1: Product: syz [ 797.509269][ T7] usb 3-1: Manufacturer: syz [ 797.513924][ T7] usb 3-1: SerialNumber: syz [ 797.516627][ T4492] usb 4-1: USB disconnect, device number 13 [ 797.520733][ T7] usb 3-1: config 0 descriptor?? executing program [ 797.565326][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 797.578070][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected [ 797.595422][ T4414] usb 6-1: USB disconnect, device number 13 executing program [ 797.763972][ T4501] usb 5-1: USB disconnect, device number 13 [ 797.776786][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 797.785117][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 797.822489][ T4925] usb 2-1: new high-speed USB device number 14 using dummy_hcd [ 797.892514][ T4492] usb 4-1: new high-speed USB device number 14 using dummy_hcd executing program [ 797.962362][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 797.971478][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 797.979541][ T30] usb 1-1: Product: syz [ 797.980976][ T7] usb 3-1: USB disconnect, device number 13 [ 797.983741][ T30] usb 1-1: Manufacturer: syz [ 797.983753][ T30] usb 1-1: SerialNumber: syz [ 797.999901][ T30] usb 1-1: config 0 descriptor?? [ 798.012433][ T4414] usb 6-1: new high-speed USB device number 14 using dummy_hcd [ 798.142293][ T4501] usb 5-1: new high-speed USB device number 14 using dummy_hcd [ 798.263252][ T30] hso 1-1:0.0: Failed to find BULK IN ep [ 798.271060][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 798.382751][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 798.391824][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 798.399875][ T4925] usb 2-1: Product: syz [ 798.404088][ T4925] usb 2-1: Manufacturer: syz [ 798.408668][ T4925] usb 2-1: SerialNumber: syz [ 798.412374][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 798.414049][ T7] usb 3-1: new high-speed USB device number 14 using dummy_hcd executing program [ 798.422378][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 798.437981][ T4492] usb 4-1: Product: syz [ 798.438984][ T4925] usb 2-1: config 0 descriptor?? [ 798.442137][ T4492] usb 4-1: Manufacturer: syz [ 798.442150][ T4492] usb 4-1: SerialNumber: syz [ 798.465200][ T5121] usb 1-1: USB disconnect, device number 13 [ 798.481812][ T4492] usb 4-1: config 0 descriptor?? [ 798.632550][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 798.641617][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 798.649915][ T4414] usb 6-1: Product: syz [ 798.654135][ T4414] usb 6-1: Manufacturer: syz [ 798.658710][ T4414] usb 6-1: SerialNumber: syz [ 798.668219][ T4414] usb 6-1: config 0 descriptor?? [ 798.713296][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 798.723719][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 798.753601][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 798.760425][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 798.792501][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 798.801564][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 798.809748][ T4501] usb 5-1: Product: syz [ 798.814013][ T4501] usb 5-1: Manufacturer: syz [ 798.818596][ T4501] usb 5-1: SerialNumber: syz [ 798.842729][ T5121] usb 1-1: new high-speed USB device number 14 using dummy_hcd [ 798.863889][ T4501] usb 5-1: config 0 descriptor?? executing program executing program [ 798.914097][ T4492] usb 2-1: USB disconnect, device number 14 [ 798.924859][ T4414] hso 6-1:0.0: Failed to find BULK IN ep [ 798.942031][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected [ 798.970385][ T4925] usb 4-1: USB disconnect, device number 14 [ 799.002552][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 799.011716][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 799.019894][ T7] usb 3-1: Product: syz [ 799.024121][ T7] usb 3-1: Manufacturer: syz [ 799.028704][ T7] usb 3-1: SerialNumber: syz [ 799.039137][ T7] usb 3-1: config 0 descriptor?? executing program [ 799.130181][ T30] usb 6-1: USB disconnect, device number 14 [ 799.143682][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 799.154485][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected [ 799.282322][ T4492] usb 2-1: new high-speed USB device number 15 using dummy_hcd [ 799.293292][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 799.300289][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 799.349027][ T4415] usb 5-1: USB disconnect, device number 14 [ 799.352227][ T4925] usb 4-1: new high-speed USB device number 15 using dummy_hcd [ 799.412473][ T5121] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 799.421555][ T5121] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 799.429714][ T5121] usb 1-1: Product: syz [ 799.433933][ T5121] usb 1-1: Manufacturer: syz [ 799.438595][ T5121] usb 1-1: SerialNumber: syz [ 799.448054][ T5121] usb 1-1: config 0 descriptor?? executing program [ 799.482226][ T30] usb 6-1: new high-speed USB device number 15 using dummy_hcd [ 799.495580][ T4410] usb 3-1: USB disconnect, device number 14 [ 799.723185][ T5121] hso 1-1:0.0: Failed to find BULK IN ep [ 799.730422][ T5121] usb-storage 1-1:0.0: USB Mass Storage device detected [ 799.762717][ T4415] usb 5-1: new high-speed USB device number 15 using dummy_hcd [ 799.802439][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 799.811507][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 799.819731][ T4492] usb 2-1: Product: syz [ 799.823933][ T4492] usb 2-1: Manufacturer: syz [ 799.828533][ T4492] usb 2-1: SerialNumber: syz [ 799.836874][ T4492] usb 2-1: config 0 descriptor?? [ 799.852409][ T4410] usb 3-1: new high-speed USB device number 15 using dummy_hcd executing program [ 799.924027][ T2619] usb 1-1: USB disconnect, device number 14 [ 800.012250][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 800.021410][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 800.022326][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 800.029464][ T30] usb 6-1: Product: syz [ 800.038521][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 800.038536][ T4925] usb 4-1: Product: syz [ 800.042706][ T30] usb 6-1: Manufacturer: syz [ 800.050657][ T4925] usb 4-1: Manufacturer: syz [ 800.054826][ T30] usb 6-1: SerialNumber: syz [ 800.059384][ T4925] usb 4-1: SerialNumber: syz [ 800.070407][ T30] usb 6-1: config 0 descriptor?? [ 800.084200][ T4925] usb 4-1: config 0 descriptor?? [ 800.093660][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 800.104891][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 800.299229][ T5121] usb 2-1: USB disconnect, device number 15 [ 800.312438][ T2619] usb 1-1: new high-speed USB device number 15 using dummy_hcd [ 800.332626][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 800.333081][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 800.340208][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 800.346171][ T4415] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 800.354135][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 800.354153][ T4925] Workqueue: usb_hub_wq hub_event [ 800.354164][ T4925] Call Trace: [ 800.354182][ T4925] dump_stack+0x107/0x163 [ 800.354196][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 800.354213][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 800.354226][ T4925] sysfs_create_link+0x5f/0xc0 [ 800.354240][ T4925] device_add+0x79a/0x1ce0 [ 800.354255][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 800.354267][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 800.354280][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 800.354293][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 800.354309][ T4925] tty_register_device_attr+0x395/0x7b0 [ 800.354331][ T4925] ? put_tty_driver+0xa0/0xa0 [ 800.363378][ T4415] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 800.373373][ T4925] ? mark_held_locks+0x9f/0xe0 [ 800.373387][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 800.373399][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 800.373422][ T4925] hso_serial_common_create+0x124/0x8b0 [ 800.378416][ T4415] usb 5-1: Product: syz [ 800.381685][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 800.386053][ T4415] usb 5-1: Manufacturer: syz [ 800.390901][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 800.390921][ T4925] hso_probe+0xef9/0x1f70 [ 800.396390][ T4415] usb 5-1: SerialNumber: syz [ 800.401099][ T4925] usb_probe_interface+0x315/0x7f0 [ 800.421708][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 800.421761][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 800.453193][ T4415] usb 5-1: config 0 descriptor?? [ 800.455615][ T4925] really_probe+0x291/0xde0 [ 800.455632][ T4925] driver_probe_device+0x26b/0x3d0 [ 800.455647][ T4925] __device_attach_driver+0x1d1/0x290 [ 800.455660][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 800.455678][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 800.462611][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 800.467250][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 800.467266][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 800.467280][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 800.467293][ T4925] __device_attach+0x228/0x4a0 [ 800.467311][ T4925] ? really_probe+0xde0/0xde0 [ 800.471555][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 800.476811][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 800.476825][ T4925] bus_probe_device+0x1e4/0x290 [ 800.476837][ T4925] device_add+0xbb2/0x1ce0 [ 800.476849][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 800.476868][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 800.481430][ T4410] usb 3-1: Product: syz [ 800.487213][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 800.487225][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 800.487246][ T4925] usb_set_configuration+0x113c/0x1910 [ 800.491546][ T4410] usb 3-1: Manufacturer: syz [ 800.496109][ T4925] usb_generic_driver_probe+0xba/0x100 [ 800.496123][ T4925] usb_probe_device+0xd9/0x2c0 executing program executing program [ 800.496135][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 800.496154][ T4925] really_probe+0x291/0xde0 [ 800.501236][ T4410] usb 3-1: SerialNumber: syz [ 800.508153][ T4925] driver_probe_device+0x26b/0x3d0 [ 800.508168][ T4925] __device_attach_driver+0x1d1/0x290 [ 800.508187][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 800.603539][ T4410] usb 3-1: config 0 descriptor?? [ 800.606752][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 800.606769][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 800.606785][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 800.606798][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 800.606812][ T4925] __device_attach+0x228/0x4a0 [ 800.606827][ T4925] ? really_probe+0xde0/0xde0 [ 800.606840][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 800.606859][ T4925] bus_probe_device+0x1e4/0x290 [ 800.724825][ T4925] device_add+0xbb2/0x1ce0 [ 800.729228][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 800.734587][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 800.739682][ T4925] ? hub_disconnect+0x510/0x510 [ 800.744518][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 800.749441][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 800.755406][ T4925] hub_event+0x2348/0x42d0 [ 800.759826][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 800.764922][ T4925] ? __lock_acquire+0x821/0x54f0 [ 800.769843][ T4925] ? put_pwq+0xb1/0x1b0 [ 800.773981][ T4925] ? lock_release+0x6d0/0x6d0 [ 800.778643][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 800.783478][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 800.788487][ T4925] process_one_work+0x933/0x1520 [ 800.793409][ T4925] ? lock_release+0x6d0/0x6d0 [ 800.798070][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 800.803424][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 800.808345][ T4925] worker_thread+0x64c/0x1120 [ 800.813005][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 800.818014][ T4925] ? process_one_work+0x1520/0x1520 [ 800.823214][ T4925] kthread+0x38c/0x460 [ 800.827269][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 800.832453][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 800.838350][ T4925] ret_from_fork+0x1f/0x30 [ 800.846200][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 800.854193][ T4415] hso 5-1:0.0: Failed to find BULK IN ep [ 800.880682][ T4415] usb-storage 5-1:0.0: USB Mass Storage device detected [ 800.896187][ T4410] hso 3-1:0.0: Failed to find BULK IN ep [ 800.904484][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 800.925703][ T30] usb 6-1: USB disconnect, device number 15 [ 800.954707][ T4925] usb 4-1: USB disconnect, device number 15 executing program executing program [ 801.052261][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 801.061352][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 801.062978][ T7] usb 5-1: USB disconnect, device number 15 [ 801.069416][ T2619] usb 1-1: Product: syz [ 801.079440][ T2619] usb 1-1: Manufacturer: syz [ 801.084111][ T2619] usb 1-1: SerialNumber: syz [ 801.122255][ T2619] usb 1-1: config 0 descriptor?? [ 801.128085][ T4415] usb 3-1: USB disconnect, device number 15 [ 801.192359][ T5121] usb 2-1: new high-speed USB device number 16 using dummy_hcd [ 801.282135][ T30] usb 6-1: new high-speed USB device number 16 using dummy_hcd [ 801.352129][ T4925] usb 4-1: new high-speed USB device number 16 using dummy_hcd [ 801.382974][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 801.390294][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 801.492145][ T4415] usb 3-1: new high-speed USB device number 16 using dummy_hcd [ 801.512189][ T7] usb 5-1: new high-speed USB device number 16 using dummy_hcd executing program [ 801.583591][ T2619] usb 1-1: USB disconnect, device number 15 [ 801.802218][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 801.811314][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 801.819418][ T30] usb 6-1: Product: syz [ 801.823638][ T30] usb 6-1: Manufacturer: syz [ 801.828284][ T30] usb 6-1: SerialNumber: syz [ 801.832264][ T5121] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 801.834458][ T30] usb 6-1: config 0 descriptor?? [ 801.841956][ T5121] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 801.854891][ T5121] usb 2-1: Product: syz [ 801.859058][ T5121] usb 2-1: Manufacturer: syz [ 801.863765][ T5121] usb 2-1: SerialNumber: syz [ 801.871163][ T5121] usb 2-1: config 0 descriptor?? [ 801.992245][ T2619] usb 1-1: new high-speed USB device number 16 using dummy_hcd [ 801.992317][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 802.008897][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 802.017002][ T4925] usb 4-1: Product: syz [ 802.021158][ T4925] usb 4-1: Manufacturer: syz [ 802.025817][ T4925] usb 4-1: SerialNumber: syz [ 802.031814][ T4925] usb 4-1: config 0 descriptor?? [ 802.032252][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 802.045933][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 802.054005][ T4415] usb 3-1: Product: syz [ 802.058170][ T4415] usb 3-1: Manufacturer: syz [ 802.062846][ T4415] usb 3-1: SerialNumber: syz [ 802.069928][ T4415] usb 3-1: config 0 descriptor?? [ 802.103508][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 802.110642][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 802.122423][ T7] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 802.131536][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 802.139737][ T7] usb 5-1: Product: syz [ 802.143930][ T7] usb 5-1: Manufacturer: syz [ 802.148519][ T7] usb 5-1: SerialNumber: syz [ 802.156705][ T5121] hso 2-1:0.0: Failed to find BULK IN ep [ 802.169097][ T5121] usb-storage 2-1:0.0: USB Mass Storage device detected [ 802.182279][ T7] usb 5-1: config 0 descriptor?? executing program [ 802.292939][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 802.305849][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 802.309514][ T30] usb 6-1: USB disconnect, device number 16 executing program [ 802.343716][ T4415] hso 3-1:0.0: Failed to find BULK IN ep [ 802.364063][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 802.393922][ T4410] usb 2-1: USB disconnect, device number 16 [ 802.433421][ T7] hso 5-1:0.0: Failed to find BULK IN ep [ 802.451490][ T7] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 802.493682][ T4415] usb 4-1: USB disconnect, device number 16 executing program [ 802.542288][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 802.544376][ T7] usb 3-1: USB disconnect, device number 16 [ 802.551436][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 802.565424][ T2619] usb 1-1: Product: syz [ 802.569597][ T2619] usb 1-1: Manufacturer: syz [ 802.574271][ T2619] usb 1-1: SerialNumber: syz [ 802.584262][ T2619] usb 1-1: config 0 descriptor?? executing program [ 802.636610][ T4925] usb 5-1: USB disconnect, device number 16 [ 802.722044][ T30] usb 6-1: new high-speed USB device number 17 using dummy_hcd [ 802.772119][ T4410] usb 2-1: new high-speed USB device number 17 using dummy_hcd [ 802.842828][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 802.850399][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 802.922221][ T4415] usb 4-1: new high-speed USB device number 17 using dummy_hcd [ 802.992003][ T7] usb 3-1: new high-speed USB device number 17 using dummy_hcd [ 803.032056][ T4925] usb 5-1: new high-speed USB device number 17 using dummy_hcd executing program [ 803.044781][ T4501] usb 1-1: USB disconnect, device number 16 [ 803.242193][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 803.251298][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.259408][ T30] usb 6-1: Product: syz [ 803.263671][ T30] usb 6-1: Manufacturer: syz [ 803.268255][ T30] usb 6-1: SerialNumber: syz [ 803.276407][ T30] usb 6-1: config 0 descriptor?? [ 803.312198][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 803.321311][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.329428][ T4410] usb 2-1: Product: syz [ 803.333746][ T4410] usb 2-1: Manufacturer: syz [ 803.338343][ T4410] usb 2-1: SerialNumber: syz [ 803.345634][ T4410] usb 2-1: config 0 descriptor?? [ 803.452239][ T4501] usb 1-1: new high-speed USB device number 17 using dummy_hcd [ 803.462122][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 803.471206][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.479257][ T4415] usb 4-1: Product: syz [ 803.483491][ T4415] usb 4-1: Manufacturer: syz [ 803.488065][ T4415] usb 4-1: SerialNumber: syz [ 803.497263][ T4415] usb 4-1: config 0 descriptor?? [ 803.523091][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 803.530310][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 803.592155][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 803.601263][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.603292][ T4410] hso 2-1:0.0: Failed to find BULK IN ep [ 803.609419][ T7] usb 3-1: Product: syz [ 803.616879][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 803.619107][ T7] usb 3-1: Manufacturer: syz [ 803.619120][ T7] usb 3-1: SerialNumber: syz [ 803.622431][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 803.644321][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.652353][ T4925] usb 5-1: Product: syz [ 803.656518][ T4925] usb 5-1: Manufacturer: syz [ 803.661115][ T4925] usb 5-1: SerialNumber: syz [ 803.670932][ T7] usb 3-1: config 0 descriptor?? [ 803.693480][ T4925] usb 5-1: config 0 descriptor?? executing program [ 803.727343][ T4410] usb 6-1: USB disconnect, device number 17 [ 803.772801][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 803.780784][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 803.813026][ T30] usb 2-1: USB disconnect, device number 17 [ 803.963968][ T5121] usb 4-1: USB disconnect, device number 17 [ 803.970758][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 803.982429][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 803.989937][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 803.998351][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 804.008420][ T4925] Workqueue: usb_hub_wq hub_event executing program [ 804.013452][ T4925] Call Trace: [ 804.017011][ T4925] dump_stack+0x107/0x163 [ 804.021347][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 804.026294][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 804.031759][ T4925] sysfs_create_link+0x5f/0xc0 [ 804.036559][ T4925] device_add+0x79a/0x1ce0 [ 804.040982][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 804.046545][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 804.051908][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 804.057331][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 804.062349][ T4925] tty_register_device_attr+0x395/0x7b0 [ 804.067896][ T4925] ? put_tty_driver+0xa0/0xa0 [ 804.072557][ T4925] ? mark_held_locks+0x9f/0xe0 [ 804.077314][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 804.083276][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 804.089325][ T4925] hso_serial_common_create+0x124/0x8b0 [ 804.091935][ T4410] usb 6-1: new high-speed USB device number 18 using dummy_hcd [ 804.094858][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 804.094874][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 804.094890][ T4925] hso_probe+0xef9/0x1f70 [ 804.094905][ T4925] usb_probe_interface+0x315/0x7f0 [ 804.094919][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 804.094938][ T4925] really_probe+0x291/0xde0 [ 804.132747][ T4925] driver_probe_device+0x26b/0x3d0 [ 804.137839][ T4925] __device_attach_driver+0x1d1/0x290 [ 804.143194][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 804.149162][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 804.154006][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 804.159008][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 804.164984][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 804.170012][ T4925] __device_attach+0x228/0x4a0 [ 804.172100][ T30] usb 2-1: new high-speed USB device number 18 using dummy_hcd [ 804.174781][ T4925] ? really_probe+0xde0/0xde0 [ 804.186960][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 804.192242][ T4925] bus_probe_device+0x1e4/0x290 [ 804.197101][ T4925] device_add+0xbb2/0x1ce0 [ 804.201524][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 804.206903][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 804.212892][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 804.218692][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 804.223779][ T4925] usb_set_configuration+0x113c/0x1910 [ 804.229242][ T4925] usb_generic_driver_probe+0xba/0x100 [ 804.234683][ T4925] usb_probe_device+0xd9/0x2c0 [ 804.239438][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 804.245490][ T4925] really_probe+0x291/0xde0 [ 804.249997][ T4925] driver_probe_device+0x26b/0x3d0 [ 804.255135][ T4925] __device_attach_driver+0x1d1/0x290 [ 804.261358][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 804.267316][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 804.272149][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 804.277223][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 804.283184][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 804.288199][ T4925] __device_attach+0x228/0x4a0 [ 804.292955][ T4925] ? really_probe+0xde0/0xde0 [ 804.297624][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 804.303011][ T4925] bus_probe_device+0x1e4/0x290 [ 804.307847][ T4925] device_add+0xbb2/0x1ce0 [ 804.312244][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 804.317606][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 804.322714][ T4925] ? hub_disconnect+0x510/0x510 [ 804.327554][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 804.332476][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 804.338440][ T4925] hub_event+0x2348/0x42d0 [ 804.342860][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 804.347971][ T4925] ? __lock_acquire+0x820/0x54f0 [ 804.352901][ T4925] ? put_pwq+0xb1/0x1b0 [ 804.357043][ T4925] ? lock_release+0x6d0/0x6d0 [ 804.361707][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 804.366552][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 804.371581][ T4925] process_one_work+0x933/0x1520 [ 804.376521][ T4925] ? lock_release+0x6d0/0x6d0 [ 804.381215][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 804.386574][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 804.391496][ T4925] worker_thread+0x64c/0x1120 [ 804.396159][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 804.401206][ T4925] ? process_one_work+0x1520/0x1520 [ 804.406415][ T4925] kthread+0x38c/0x460 [ 804.410471][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 executing program [ 804.415652][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 804.421529][ T4925] ret_from_fork+0x1f/0x30 [ 804.428841][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 804.437654][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 804.487323][ T7] usb 3-1: USB disconnect, device number 17 [ 804.517467][ T4925] usb 5-1: USB disconnect, device number 17 [ 804.562150][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 804.571257][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 804.579442][ T4501] usb 1-1: Product: syz [ 804.583636][ T4501] usb 1-1: Manufacturer: syz [ 804.588350][ T4501] usb 1-1: SerialNumber: syz [ 804.597390][ T4501] usb 1-1: config 0 descriptor?? [ 804.622336][ T4410] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 804.631390][ T4410] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 804.639531][ T4410] usb 6-1: Product: syz [ 804.643726][ T4410] usb 6-1: Manufacturer: syz [ 804.648310][ T4410] usb 6-1: SerialNumber: syz [ 804.662880][ T4410] usb 6-1: config 0 descriptor?? [ 804.711985][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 804.721035][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 804.729233][ T30] usb 2-1: Product: syz [ 804.733445][ T30] usb 2-1: Manufacturer: syz [ 804.738031][ T30] usb 2-1: SerialNumber: syz [ 804.744726][ T30] usb 2-1: config 0 descriptor?? [ 804.802012][ T5121] usb 4-1: new high-speed USB device number 18 using dummy_hcd [ 804.862879][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 804.870539][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 804.877864][ T7] usb 3-1: new high-speed USB device number 18 using dummy_hcd [ 804.923878][ T4410] hso 6-1:0.0: Failed to find BULK IN ep [ 804.932168][ T4925] usb 5-1: new high-speed USB device number 18 using dummy_hcd [ 804.936975][ T4410] usb-storage 6-1:0.0: USB Mass Storage device detected [ 805.005175][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 805.019230][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 805.066419][ T4414] usb 1-1: USB disconnect, device number 17 executing program [ 805.124013][ T30] usb 6-1: USB disconnect, device number 18 executing program [ 805.203796][ T5592] usb 2-1: USB disconnect, device number 18 [ 805.432170][ T5121] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 805.441284][ T5121] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 805.449343][ T5121] usb 4-1: Product: syz [ 805.453695][ T5121] usb 4-1: Manufacturer: syz [ 805.458346][ T5121] usb 4-1: SerialNumber: syz [ 805.463103][ T4414] usb 1-1: new high-speed USB device number 18 using dummy_hcd [ 805.472393][ T7] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 805.481442][ T7] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 805.481932][ T30] usb 6-1: new high-speed USB device number 19 using dummy_hcd [ 805.489552][ T7] usb 3-1: Product: syz [ 805.501235][ T7] usb 3-1: Manufacturer: syz [ 805.505916][ T7] usb 3-1: SerialNumber: syz [ 805.511308][ T5121] usb 4-1: config 0 descriptor?? [ 805.519041][ T7] usb 3-1: config 0 descriptor?? [ 805.572122][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 805.581210][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 805.589382][ T4925] usb 5-1: Product: syz [ 805.593617][ T4925] usb 5-1: Manufacturer: syz [ 805.598218][ T4925] usb 5-1: SerialNumber: syz [ 805.606209][ T4925] usb 5-1: config 0 descriptor?? [ 805.672039][ T5592] usb 2-1: new high-speed USB device number 19 using dummy_hcd [ 805.772821][ T5121] hso 4-1:0.0: Failed to find BULK IN ep [ 805.780222][ T5121] usb-storage 4-1:0.0: USB Mass Storage device detected [ 805.792972][ T7] hso 3-1:0.0: Failed to find BULK IN ep [ 805.805456][ T7] usb-storage 3-1:0.0: USB Mass Storage device detected [ 805.863306][ T4925] hso 5-1:0.0: Failed to find BULK IN ep [ 805.870787][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected executing program executing program [ 805.973533][ T4925] usb 4-1: USB disconnect, device number 18 [ 805.994876][ T4410] usb 3-1: USB disconnect, device number 18 [ 806.032146][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 806.041210][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 806.049268][ T30] usb 6-1: Product: syz [ 806.052207][ T4414] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 806.053462][ T30] usb 6-1: Manufacturer: syz [ 806.062492][ T4414] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 806.062507][ T4414] usb 1-1: Product: syz executing program [ 806.067070][ T30] usb 6-1: SerialNumber: syz [ 806.073240][ T30] usb 6-1: config 0 descriptor?? [ 806.075192][ T4414] usb 1-1: Manufacturer: syz [ 806.090572][ T4415] usb 5-1: USB disconnect, device number 18 [ 806.093440][ T4414] usb 1-1: SerialNumber: syz [ 806.133334][ T4414] usb 1-1: config 0 descriptor?? [ 806.271887][ T5592] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 806.281002][ T5592] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 806.289052][ T5592] usb 2-1: Product: syz [ 806.293266][ T5592] usb 2-1: Manufacturer: syz [ 806.297855][ T5592] usb 2-1: SerialNumber: syz [ 806.305842][ T5592] usb 2-1: config 0 descriptor?? [ 806.344448][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 806.352931][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 806.383344][ T4414] hso 1-1:0.0: Failed to find BULK IN ep [ 806.390198][ T4414] usb-storage 1-1:0.0: USB Mass Storage device detected [ 806.411826][ T4410] usb 3-1: new high-speed USB device number 19 using dummy_hcd [ 806.411943][ T4925] usb 4-1: new high-speed USB device number 19 using dummy_hcd [ 806.452036][ T4415] usb 5-1: new high-speed USB device number 19 using dummy_hcd executing program executing program [ 806.545393][ T30] usb 6-1: USB disconnect, device number 19 [ 806.560003][ T5592] hso 2-1:0.0: Failed to find BULK IN ep [ 806.569853][ T5592] usb-storage 2-1:0.0: USB Mass Storage device detected [ 806.584636][ T4492] usb 1-1: USB disconnect, device number 18 executing program [ 806.753565][ T2619] usb 2-1: USB disconnect, device number 19 [ 806.931868][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 806.940974][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 806.949040][ T4410] usb 3-1: Product: syz [ 806.953331][ T4410] usb 3-1: Manufacturer: syz [ 806.957910][ T4410] usb 3-1: SerialNumber: syz [ 806.963085][ T30] usb 6-1: new high-speed USB device number 20 using dummy_hcd [ 806.975297][ T4410] usb 3-1: config 0 descriptor?? [ 806.992152][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 807.001369][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 807.001885][ T4415] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 807.009491][ T4925] usb 4-1: Product: syz [ 807.018513][ T4415] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 807.022590][ T4925] usb 4-1: Manufacturer: syz [ 807.030550][ T4415] usb 5-1: Product: syz [ 807.035154][ T4925] usb 4-1: SerialNumber: syz [ 807.040781][ T4925] usb 4-1: config 0 descriptor?? [ 807.044235][ T4415] usb 5-1: Manufacturer: syz [ 807.044249][ T4415] usb 5-1: SerialNumber: syz [ 807.045162][ T4492] usb 1-1: new high-speed USB device number 19 using dummy_hcd [ 807.087720][ T4415] usb 5-1: config 0 descriptor?? [ 807.132755][ T2619] usb 2-1: new high-speed USB device number 20 using dummy_hcd [ 807.242435][ T4410] hso 3-1:0.0: Failed to find BULK IN ep [ 807.249744][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 807.317780][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 807.327147][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 807.353583][ T4415] hso 5-1:0.0: Failed to find BULK IN ep [ 807.360540][ T4415] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 807.452119][ T4925] usb 3-1: USB disconnect, device number 19 executing program [ 807.518182][ T5592] usb 4-1: USB disconnect, device number 19 [ 807.541972][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 807.551061][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 807.553390][ T4414] usb 5-1: USB disconnect, device number 19 executing program [ 807.559299][ T30] usb 6-1: Product: syz [ 807.569131][ T30] usb 6-1: Manufacturer: syz [ 807.573779][ T30] usb 6-1: SerialNumber: syz [ 807.589365][ T30] usb 6-1: config 0 descriptor?? [ 807.612589][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 807.621691][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 807.629681][ T4492] usb 1-1: Product: syz [ 807.633947][ T4492] usb 1-1: Manufacturer: syz [ 807.638604][ T4492] usb 1-1: SerialNumber: syz [ 807.673851][ T4492] usb 1-1: config 0 descriptor?? [ 807.701995][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 807.711153][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 807.719203][ T2619] usb 2-1: Product: syz [ 807.723438][ T2619] usb 2-1: Manufacturer: syz [ 807.728018][ T2619] usb 2-1: SerialNumber: syz [ 807.735727][ T2619] usb 2-1: config 0 descriptor?? [ 807.852566][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 807.859552][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 807.861849][ T4925] usb 3-1: new high-speed USB device number 20 using dummy_hcd [ 807.912012][ T5592] usb 4-1: new high-speed USB device number 20 using dummy_hcd [ 807.951938][ T4414] usb 5-1: new high-speed USB device number 20 using dummy_hcd [ 807.952905][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 807.967326][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 807.992892][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 807.999674][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 808.056282][ T7] usb 6-1: USB disconnect, device number 20 executing program executing program [ 808.153312][ T4492] usb 1-1: USB disconnect, device number 19 [ 808.193309][ T2619] usb 2-1: USB disconnect, device number 20 [ 808.432082][ T7] usb 6-1: new high-speed USB device number 21 using dummy_hcd [ 808.481992][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 808.491058][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 808.499138][ T4925] usb 3-1: Product: syz [ 808.503454][ T4925] usb 3-1: Manufacturer: syz [ 808.508055][ T4925] usb 3-1: SerialNumber: syz [ 808.518896][ T4925] usb 3-1: config 0 descriptor?? [ 808.526340][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 808.535521][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 808.543572][ T5592] usb 4-1: Product: syz [ 808.547745][ T5592] usb 4-1: Manufacturer: syz [ 808.552552][ T5592] usb 4-1: SerialNumber: syz [ 808.557194][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 808.566290][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 808.571754][ T4492] usb 1-1: new high-speed USB device number 20 using dummy_hcd [ 808.574435][ T4414] usb 5-1: Product: syz [ 808.586048][ T4414] usb 5-1: Manufacturer: syz [ 808.590619][ T4414] usb 5-1: SerialNumber: syz [ 808.597185][ T5592] usb 4-1: config 0 descriptor?? [ 808.602028][ T2619] usb 2-1: new high-speed USB device number 21 using dummy_hcd [ 808.614582][ T4414] usb 5-1: config 0 descriptor?? [ 808.842507][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 808.852996][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 808.872657][ T5592] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 808.880128][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 808.888520][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 808.898582][ T5592] Workqueue: usb_hub_wq hub_event [ 808.903603][ T5592] Call Trace: [ 808.906895][ T5592] dump_stack+0x107/0x163 [ 808.911259][ T5592] sysfs_warn_dup.cold+0x1c/0x29 [ 808.916183][ T5592] sysfs_do_create_link_sd+0x11e/0x140 [ 808.921634][ T5592] sysfs_create_link+0x5f/0xc0 [ 808.926695][ T5592] device_add+0x79a/0x1ce0 [ 808.931158][ T5592] ? lockdep_init_map_waits+0x26a/0x700 [ 808.936689][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 808.942044][ T5592] ? __init_waitqueue_head+0x97/0x110 [ 808.947436][ T5592] ? pm_runtime_init+0x2cf/0x3b0 [ 808.952439][ T5592] tty_register_device_attr+0x395/0x7b0 [ 808.958000][ T5592] ? put_tty_driver+0xa0/0xa0 [ 808.962669][ T5592] ? mark_held_locks+0x9f/0xe0 [ 808.967413][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 808.973374][ T5592] ? tty_port_register_device_attr+0xbc/0x110 [ 808.979571][ T5592] hso_serial_common_create+0x124/0x8b0 [ 808.985106][ T5592] ? kasan_unpoison_shadow+0x33/0x40 [ 808.990402][ T5592] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 808.996191][ T5592] hso_probe+0xef9/0x1f70 [ 809.000503][ T5592] usb_probe_interface+0x315/0x7f0 [ 809.005608][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 809.010972][ T5592] really_probe+0x291/0xde0 [ 809.015459][ T5592] driver_probe_device+0x26b/0x3d0 [ 809.020553][ T5592] __device_attach_driver+0x1d1/0x290 [ 809.025909][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 809.031880][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 809.036722][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 executing program executing program [ 809.041731][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 809.047702][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 809.052729][ T5592] __device_attach+0x228/0x4a0 [ 809.057488][ T5592] ? really_probe+0xde0/0xde0 [ 809.062148][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 809.067432][ T5592] bus_probe_device+0x1e4/0x290 [ 809.072285][ T5592] device_add+0xbb2/0x1ce0 [ 809.076707][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 809.082088][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 809.088077][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 809.093896][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 809.098928][ T5592] usb_set_configuration+0x113c/0x1910 [ 809.102031][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 809.104387][ T5592] usb_generic_driver_probe+0xba/0x100 [ 809.104402][ T5592] usb_probe_device+0xd9/0x2c0 [ 809.104417][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 809.104433][ T5592] really_probe+0x291/0xde0 [ 809.104446][ T5592] driver_probe_device+0x26b/0x3d0 [ 809.104466][ T5592] __device_attach_driver+0x1d1/0x290 [ 809.113558][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 809.118936][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 809.123840][ T4492] usb 1-1: Product: syz [ 809.129712][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 809.129731][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 809.134249][ T4492] usb 1-1: Manufacturer: syz [ 809.139294][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 809.139312][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 809.144694][ T4492] usb 1-1: SerialNumber: syz [ 809.152609][ T5592] __device_attach+0x228/0x4a0 [ 809.152623][ T5592] ? really_probe+0xde0/0xde0 [ 809.152638][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 809.152649][ T5592] bus_probe_device+0x1e4/0x290 [ 809.152667][ T5592] device_add+0xbb2/0x1ce0 [ 809.171921][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 809.172601][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 809.177223][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 809.183125][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 809.183141][ T5592] ? hub_disconnect+0x510/0x510 [ 809.183156][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 809.183169][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 809.183181][ T5592] hub_event+0x2348/0x42d0 [ 809.183201][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 809.188194][ T2619] usb 2-1: Product: syz [ 809.192759][ T5592] ? __lock_acquire+0x820/0x54f0 [ 809.192774][ T5592] ? put_pwq+0xb1/0x1b0 [ 809.192786][ T5592] ? lock_release+0x6d0/0x6d0 [ 809.192799][ T5592] ? lock_downgrade+0x6d0/0x6d0 executing program [ 809.192823][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 809.197554][ T2619] usb 2-1: Manufacturer: syz [ 809.202205][ T5592] process_one_work+0x933/0x1520 [ 809.202219][ T5592] ? lock_release+0x6d0/0x6d0 [ 809.202232][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 809.202252][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 809.207506][ T2619] usb 2-1: SerialNumber: syz [ 809.212331][ T5592] worker_thread+0x64c/0x1120 [ 809.212345][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 809.212365][ T5592] ? process_one_work+0x1520/0x1520 [ 809.292655][ T2619] usb 2-1: config 0 descriptor?? [ 809.297201][ T5592] kthread+0x38c/0x460 [ 809.297221][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 809.297236][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 809.297250][ T5592] ret_from_fork+0x1f/0x30 [ 809.299259][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 809.341675][ T4492] usb 1-1: config 0 descriptor?? [ 809.349716][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 809.385164][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 809.437012][ T4925] usb 3-1: USB disconnect, device number 20 [ 809.474028][ T4414] usb 5-1: USB disconnect, device number 20 [ 809.480387][ T5592] usb 4-1: USB disconnect, device number 20 [ 809.531783][ T7] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 809.540861][ T7] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 809.549091][ T7] usb 6-1: Product: syz [ 809.553321][ T7] usb 6-1: Manufacturer: syz [ 809.557908][ T7] usb 6-1: SerialNumber: syz [ 809.567950][ T7] usb 6-1: config 0 descriptor?? [ 809.613107][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 809.620233][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 809.632688][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 809.645911][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected executing program executing program [ 809.811638][ T4925] usb 3-1: new high-speed USB device number 21 using dummy_hcd [ 809.814307][ T2619] usb 2-1: USB disconnect, device number 21 [ 809.833912][ T7] hso 6-1:0.0: Failed to find BULK IN ep [ 809.841236][ T4492] usb 1-1: USB disconnect, device number 20 [ 809.853838][ T7] usb-storage 6-1:0.0: USB Mass Storage device detected [ 809.861802][ T4414] usb 5-1: new high-speed USB device number 21 using dummy_hcd [ 809.869508][ T5592] usb 4-1: new high-speed USB device number 21 using dummy_hcd executing program [ 810.033339][ T4415] usb 6-1: USB disconnect, device number 21 [ 810.181579][ T2619] usb 2-1: new high-speed USB device number 22 using dummy_hcd [ 810.211575][ T4492] usb 1-1: new high-speed USB device number 21 using dummy_hcd [ 810.391608][ T4415] usb 6-1: new high-speed USB device number 22 using dummy_hcd [ 810.471941][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.481020][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.489129][ T4925] usb 3-1: Product: syz [ 810.493483][ T4925] usb 3-1: Manufacturer: syz [ 810.498073][ T4925] usb 3-1: SerialNumber: syz [ 810.508692][ T4925] usb 3-1: config 0 descriptor?? [ 810.513876][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.523046][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.531093][ T5592] usb 4-1: Product: syz [ 810.535352][ T5592] usb 4-1: Manufacturer: syz [ 810.539950][ T5592] usb 4-1: SerialNumber: syz [ 810.544710][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.553830][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.561895][ T4414] usb 5-1: Product: syz [ 810.566053][ T4414] usb 5-1: Manufacturer: syz [ 810.570625][ T4414] usb 5-1: SerialNumber: syz [ 810.577445][ T5592] usb 4-1: config 0 descriptor?? [ 810.583427][ T4414] usb 5-1: config 0 descriptor?? [ 810.701975][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.711044][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.719184][ T2619] usb 2-1: Product: syz [ 810.723392][ T2619] usb 2-1: Manufacturer: syz [ 810.728007][ T2619] usb 2-1: SerialNumber: syz [ 810.733112][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.742219][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.750197][ T4492] usb 1-1: Product: syz [ 810.754462][ T4492] usb 1-1: Manufacturer: syz [ 810.759049][ T4492] usb 1-1: SerialNumber: syz [ 810.765303][ T2619] usb 2-1: config 0 descriptor?? [ 810.772165][ T4492] usb 1-1: config 0 descriptor?? [ 810.842208][ T5592] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 810.849739][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 810.858136][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 810.868183][ T5592] Workqueue: usb_hub_wq hub_event [ 810.873198][ T5592] Call Trace: [ 810.876492][ T5592] dump_stack+0x107/0x163 [ 810.880854][ T5592] sysfs_warn_dup.cold+0x1c/0x29 [ 810.885836][ T5592] sysfs_do_create_link_sd+0x11e/0x140 [ 810.891277][ T5592] sysfs_create_link+0x5f/0xc0 [ 810.896022][ T5592] device_add+0x79a/0x1ce0 [ 810.900421][ T5592] ? lockdep_init_map_waits+0x26a/0x700 [ 810.905946][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 810.911296][ T5592] ? __init_waitqueue_head+0x97/0x110 [ 810.916654][ T5592] ? pm_runtime_init+0x2cf/0x3b0 [ 810.921636][ T5592] tty_register_device_attr+0x395/0x7b0 [ 810.927163][ T5592] ? put_tty_driver+0xa0/0xa0 [ 810.931599][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 810.931825][ T5592] ? mark_held_locks+0x9f/0xe0 [ 810.931841][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 810.931852][ T5592] ? tty_port_register_device_attr+0xbc/0x110 [ 810.931874][ T5592] hso_serial_common_create+0x124/0x8b0 [ 810.940916][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 810.945622][ T5592] ? kasan_unpoison_shadow+0x33/0x40 [ 810.945637][ T5592] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 810.945652][ T5592] hso_probe+0xef9/0x1f70 [ 810.945666][ T5592] usb_probe_interface+0x315/0x7f0 [ 810.945680][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 810.945694][ T5592] really_probe+0x291/0xde0 [ 810.945707][ T5592] driver_probe_device+0x26b/0x3d0 [ 810.945726][ T5592] __device_attach_driver+0x1d1/0x290 [ 810.951722][ T4415] usb 6-1: Product: syz [ 810.957730][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 810.963289][ T4415] usb 6-1: Manufacturer: syz [ 810.971197][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 810.971215][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 810.976511][ T4415] usb 6-1: SerialNumber: syz executing program [ 810.982258][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 810.982271][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 810.982285][ T5592] __device_attach+0x228/0x4a0 [ 810.982303][ T5592] ? really_probe+0xde0/0xde0 [ 811.003266][ T4415] usb 6-1: config 0 descriptor?? [ 811.006634][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 811.006651][ T5592] bus_probe_device+0x1e4/0x290 [ 811.006665][ T5592] device_add+0xbb2/0x1ce0 [ 811.006679][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 811.006693][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 811.006715][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 811.098066][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.103127][ T5592] usb_set_configuration+0x113c/0x1910 [ 811.108604][ T5592] usb_generic_driver_probe+0xba/0x100 [ 811.114070][ T5592] usb_probe_device+0xd9/0x2c0 [ 811.118841][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 811.124917][ T5592] really_probe+0x291/0xde0 [ 811.129430][ T5592] driver_probe_device+0x26b/0x3d0 [ 811.134552][ T5592] __device_attach_driver+0x1d1/0x290 executing program [ 811.139932][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 811.145913][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 811.150772][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 811.155802][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.161785][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.166815][ T5592] __device_attach+0x228/0x4a0 [ 811.171583][ T5592] ? really_probe+0xde0/0xde0 [ 811.176273][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 811.181567][ T5592] bus_probe_device+0x1e4/0x290 [ 811.186427][ T5592] device_add+0xbb2/0x1ce0 [ 811.190850][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 811.196283][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 811.201375][ T5592] ? hub_disconnect+0x510/0x510 [ 811.206208][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 811.211125][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.217084][ T5592] hub_event+0x2348/0x42d0 [ 811.221495][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 811.226599][ T5592] ? __lock_acquire+0x821/0x54f0 [ 811.231524][ T5592] ? put_pwq+0xb1/0x1b0 [ 811.235661][ T5592] ? lock_release+0x6d0/0x6d0 [ 811.240316][ T5592] ? lock_downgrade+0x6d0/0x6d0 [ 811.245148][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 811.250160][ T5592] process_one_work+0x933/0x1520 [ 811.255093][ T5592] ? lock_release+0x6d0/0x6d0 [ 811.259782][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 811.265145][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 811.270069][ T5592] worker_thread+0x82b/0x1120 [ 811.272054][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 811.274761][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 811.274777][ T5592] ? process_one_work+0x1520/0x1520 [ 811.274788][ T5592] kthread+0x38c/0x460 [ 811.274810][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 811.301629][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 811.307507][ T5592] ret_from_fork+0x1f/0x30 [ 811.311914][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 811.312622][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 811.320325][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 811.337796][ T4415] Workqueue: usb_hub_wq hub_event [ 811.342809][ T4415] Call Trace: [ 811.346105][ T4415] dump_stack+0x107/0x163 [ 811.350423][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 811.355371][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 811.360844][ T4415] sysfs_create_link+0x5f/0xc0 [ 811.365607][ T4415] device_add+0x79a/0x1ce0 [ 811.370015][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 811.375551][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 811.380910][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 811.386275][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 811.391202][ T4415] tty_register_device_attr+0x395/0x7b0 [ 811.396734][ T4415] ? put_tty_driver+0xa0/0xa0 [ 811.401399][ T4415] ? mark_held_locks+0x9f/0xe0 [ 811.406223][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.412197][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 811.418272][ T4415] hso_serial_common_create+0x124/0x8b0 [ 811.423809][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 811.429080][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 811.434873][ T4415] hso_probe+0xef9/0x1f70 [ 811.439188][ T4415] usb_probe_interface+0x315/0x7f0 [ 811.444284][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 811.449642][ T4415] really_probe+0x291/0xde0 [ 811.454133][ T4415] driver_probe_device+0x26b/0x3d0 [ 811.459233][ T4415] __device_attach_driver+0x1d1/0x290 [ 811.464591][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 811.470555][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 811.475409][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 811.480422][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.486410][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.491428][ T4415] __device_attach+0x228/0x4a0 [ 811.496183][ T4415] ? really_probe+0xde0/0xde0 [ 811.500846][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 811.506118][ T4415] bus_probe_device+0x1e4/0x290 [ 811.510955][ T4415] device_add+0xbb2/0x1ce0 [ 811.515359][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 811.520717][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.526685][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 811.532479][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.537489][ T4415] usb_set_configuration+0x113c/0x1910 [ 811.542936][ T4415] usb_generic_driver_probe+0xba/0x100 [ 811.548378][ T4415] usb_probe_device+0xd9/0x2c0 [ 811.553129][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 811.559180][ T4415] really_probe+0x291/0xde0 [ 811.563687][ T4415] driver_probe_device+0x26b/0x3d0 [ 811.568792][ T4415] __device_attach_driver+0x1d1/0x290 [ 811.574158][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 811.580130][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 811.584974][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 811.589990][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.595958][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.600968][ T4415] __device_attach+0x228/0x4a0 [ 811.605721][ T4415] ? really_probe+0xde0/0xde0 [ 811.610383][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 811.615656][ T4415] bus_probe_device+0x1e4/0x290 [ 811.620492][ T4415] device_add+0xbb2/0x1ce0 [ 811.624893][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 811.630252][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 811.635351][ T4415] ? hub_disconnect+0x510/0x510 [ 811.640189][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 811.645113][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.651082][ T4415] hub_event+0x2348/0x42d0 [ 811.655487][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 811.660583][ T4415] ? __lock_acquire+0x820/0x54f0 [ 811.665509][ T4415] ? put_pwq+0xb1/0x1b0 [ 811.669651][ T4415] ? lock_release+0x6d0/0x6d0 [ 811.674313][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 811.679148][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 811.684159][ T4415] process_one_work+0x933/0x1520 [ 811.689098][ T4415] ? lock_release+0x6d0/0x6d0 [ 811.693761][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 811.699118][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 811.704043][ T4415] worker_thread+0x64c/0x1120 [ 811.708711][ T4415] ? process_one_work+0x1520/0x1520 [ 811.713894][ T4415] kthread+0x38c/0x460 [ 811.717954][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 811.723138][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 811.729015][ T4415] ret_from_fork+0x1f/0x30 [ 811.733422][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 811.741841][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 811.751913][ T4414] Workqueue: usb_hub_wq hub_event [ 811.751966][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 811.756940][ T4414] Call Trace: [ 811.756961][ T4414] dump_stack+0x107/0x163 [ 811.772433][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 811.777360][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 811.782807][ T4414] sysfs_create_link+0x5f/0xc0 [ 811.787556][ T4414] device_add+0x79a/0x1ce0 [ 811.791961][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 811.797491][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 811.802848][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 811.808206][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 811.813132][ T4414] tty_register_device_attr+0x395/0x7b0 [ 811.818678][ T4414] ? put_tty_driver+0xa0/0xa0 [ 811.823342][ T4414] ? mark_held_locks+0x9f/0xe0 [ 811.828090][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.834055][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 811.840109][ T4414] hso_serial_common_create+0x124/0x8b0 [ 811.845642][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 811.850917][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 811.856709][ T4414] hso_probe+0xef9/0x1f70 [ 811.861025][ T4414] usb_probe_interface+0x315/0x7f0 [ 811.866150][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 811.871510][ T4414] really_probe+0x291/0xde0 [ 811.876005][ T4414] driver_probe_device+0x26b/0x3d0 [ 811.881102][ T4414] __device_attach_driver+0x1d1/0x290 [ 811.886460][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 811.892527][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 811.897364][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 811.902375][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.908338][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.913348][ T4414] __device_attach+0x228/0x4a0 [ 811.918097][ T4414] ? really_probe+0xde0/0xde0 [ 811.922763][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 811.928033][ T4414] bus_probe_device+0x1e4/0x290 [ 811.932870][ T4414] device_add+0xbb2/0x1ce0 [ 811.937277][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 811.942655][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 811.948647][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 811.954439][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 811.959449][ T4414] usb_set_configuration+0x113c/0x1910 [ 811.964894][ T4414] usb_generic_driver_probe+0xba/0x100 [ 811.970357][ T4414] usb_probe_device+0xd9/0x2c0 [ 811.975108][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 811.981247][ T4414] really_probe+0x291/0xde0 [ 811.985753][ T4414] driver_probe_device+0x26b/0x3d0 [ 811.990850][ T4414] __device_attach_driver+0x1d1/0x290 [ 811.996212][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 812.002196][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 812.007035][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 812.012046][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.018011][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.023199][ T4414] __device_attach+0x228/0x4a0 [ 812.027950][ T4414] ? really_probe+0xde0/0xde0 [ 812.032614][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 812.037907][ T4414] bus_probe_device+0x1e4/0x290 [ 812.042741][ T4414] device_add+0xbb2/0x1ce0 [ 812.047151][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 812.052512][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 812.057609][ T4414] ? hub_disconnect+0x510/0x510 [ 812.062452][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 812.067377][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.073341][ T4414] hub_event+0x2348/0x42d0 [ 812.077750][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 812.082847][ T4414] ? __lock_acquire+0x821/0x54f0 [ 812.087767][ T4414] ? put_pwq+0xb1/0x1b0 [ 812.091912][ T4414] ? lock_release+0x6d0/0x6d0 [ 812.096573][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 812.101410][ T4414] ? do_raw_spin_lock+0x120/0x2b0 [ 812.106508][ T4414] process_one_work+0x933/0x1520 [ 812.111432][ T4414] ? lock_release+0x6d0/0x6d0 [ 812.116096][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 812.121757][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 812.126681][ T4414] worker_thread+0x82b/0x1120 [ 812.131343][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 812.136353][ T4414] ? process_one_work+0x1520/0x1520 [ 812.141555][ T4414] kthread+0x38c/0x460 [ 812.145615][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 812.150799][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 812.156678][ T4414] ret_from_fork+0x1f/0x30 [ 812.161087][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 812.161551][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 812.169502][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 812.185202][ T4492] Workqueue: usb_hub_wq hub_event [ 812.190217][ T4492] Call Trace: [ 812.193495][ T4492] dump_stack+0x107/0x163 [ 812.197826][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 812.202778][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 812.208239][ T4492] sysfs_create_link+0x5f/0xc0 [ 812.212986][ T4492] device_add+0x79a/0x1ce0 [ 812.217388][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 812.222917][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 812.228271][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 812.233627][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 812.238551][ T4492] tty_register_device_attr+0x395/0x7b0 [ 812.244081][ T4492] ? put_tty_driver+0xa0/0xa0 [ 812.248742][ T4492] ? mark_held_locks+0x9f/0xe0 [ 812.253490][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.259469][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 812.265522][ T4492] hso_serial_common_create+0x124/0x8b0 [ 812.271054][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 812.276324][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 812.282114][ T4492] hso_probe+0xef9/0x1f70 [ 812.286427][ T4492] usb_probe_interface+0x315/0x7f0 [ 812.291540][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 812.296901][ T4492] really_probe+0x291/0xde0 [ 812.301479][ T4492] driver_probe_device+0x26b/0x3d0 [ 812.306576][ T4492] __device_attach_driver+0x1d1/0x290 [ 812.311934][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 812.317897][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 812.322730][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 812.327754][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.333731][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.338749][ T4492] __device_attach+0x228/0x4a0 [ 812.343513][ T4492] ? really_probe+0xde0/0xde0 [ 812.348174][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 812.353441][ T4492] bus_probe_device+0x1e4/0x290 [ 812.358276][ T4492] device_add+0xbb2/0x1ce0 [ 812.362677][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 812.368032][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.373999][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 812.379803][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.384814][ T4492] usb_set_configuration+0x113c/0x1910 [ 812.390271][ T4492] usb_generic_driver_probe+0xba/0x100 [ 812.395737][ T4492] usb_probe_device+0xd9/0x2c0 [ 812.400493][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 812.406579][ T4492] really_probe+0x291/0xde0 [ 812.411079][ T4492] driver_probe_device+0x26b/0x3d0 [ 812.416183][ T4492] __device_attach_driver+0x1d1/0x290 [ 812.421541][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 812.427519][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 812.432354][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 812.437366][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.443329][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.448338][ T4492] __device_attach+0x228/0x4a0 [ 812.453090][ T4492] ? really_probe+0xde0/0xde0 [ 812.457752][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 812.463022][ T4492] bus_probe_device+0x1e4/0x290 [ 812.467854][ T4492] device_add+0xbb2/0x1ce0 [ 812.472259][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 812.477615][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 812.482712][ T4492] ? hub_disconnect+0x510/0x510 [ 812.487546][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 812.492469][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.498434][ T4492] hub_event+0x2348/0x42d0 [ 812.502835][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 812.507947][ T4492] ? __lock_acquire+0x820/0x54f0 [ 812.512873][ T4492] ? put_pwq+0xb1/0x1b0 [ 812.517012][ T4492] ? lock_release+0x6d0/0x6d0 [ 812.521672][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 812.526505][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 812.531516][ T4492] process_one_work+0x933/0x1520 [ 812.536452][ T4492] ? lock_release+0x6d0/0x6d0 [ 812.541128][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 812.546482][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 812.551403][ T4492] worker_thread+0x64c/0x1120 [ 812.556080][ T4492] ? process_one_work+0x1520/0x1520 [ 812.561406][ T4492] kthread+0x38c/0x460 [ 812.565471][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 812.570654][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 812.576533][ T4492] ret_from_fork+0x1f/0x30 [ 812.581468][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 812.588941][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 812.597352][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 812.607610][ T2619] Workqueue: usb_hub_wq hub_event [ 812.612658][ T2619] Call Trace: [ 812.615961][ T2619] dump_stack+0x107/0x163 [ 812.617070][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 812.620289][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 812.620305][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 812.620324][ T2619] sysfs_create_link+0x5f/0xc0 [ 812.642369][ T2619] device_add+0x79a/0x1ce0 [ 812.646796][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 812.652361][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 812.657744][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 812.663120][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 812.668048][ T2619] tty_register_device_attr+0x395/0x7b0 [ 812.673629][ T2619] ? put_tty_driver+0xa0/0xa0 [ 812.678292][ T2619] ? mark_held_locks+0x9f/0xe0 [ 812.683041][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.689003][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 812.695058][ T2619] hso_serial_common_create+0x124/0x8b0 [ 812.700590][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 812.705860][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 812.711651][ T2619] hso_probe+0xef9/0x1f70 [ 812.715966][ T2619] usb_probe_interface+0x315/0x7f0 [ 812.721062][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 812.726419][ T2619] really_probe+0x291/0xde0 [ 812.730908][ T2619] driver_probe_device+0x26b/0x3d0 [ 812.736002][ T2619] __device_attach_driver+0x1d1/0x290 [ 812.741361][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 812.747323][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 812.752160][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 812.757170][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.763131][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.768154][ T2619] __device_attach+0x228/0x4a0 [ 812.772901][ T2619] ? really_probe+0xde0/0xde0 [ 812.777563][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 812.782836][ T2619] bus_probe_device+0x1e4/0x290 [ 812.787684][ T2619] device_add+0xbb2/0x1ce0 [ 812.792103][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 812.797470][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.803434][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 812.809220][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.814229][ T2619] usb_set_configuration+0x113c/0x1910 [ 812.819671][ T2619] usb_generic_driver_probe+0xba/0x100 [ 812.825113][ T2619] usb_probe_device+0xd9/0x2c0 [ 812.829879][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 812.835927][ T2619] really_probe+0x291/0xde0 [ 812.840417][ T2619] driver_probe_device+0x26b/0x3d0 [ 812.845513][ T2619] __device_attach_driver+0x1d1/0x290 [ 812.850870][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 812.856847][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 812.861683][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 812.866690][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.872650][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 812.877658][ T2619] __device_attach+0x228/0x4a0 [ 812.882426][ T2619] ? really_probe+0xde0/0xde0 [ 812.887085][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 812.892354][ T2619] bus_probe_device+0x1e4/0x290 [ 812.897189][ T2619] device_add+0xbb2/0x1ce0 [ 812.901588][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 812.906945][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 812.912043][ T2619] ? hub_disconnect+0x510/0x510 [ 812.916877][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 812.921800][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 812.927768][ T2619] hub_event+0x2348/0x42d0 [ 812.932171][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 812.937265][ T2619] ? __lock_acquire+0x820/0x54f0 [ 812.942187][ T2619] ? put_pwq+0xb1/0x1b0 [ 812.946346][ T2619] ? lock_release+0x6d0/0x6d0 [ 812.951026][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 812.955895][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 812.960919][ T2619] process_one_work+0x933/0x1520 [ 812.965846][ T2619] ? lock_release+0x6d0/0x6d0 [ 812.970511][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 812.975871][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 812.980818][ T2619] worker_thread+0x64c/0x1120 [ 812.985486][ T2619] ? process_one_work+0x1520/0x1520 [ 812.990668][ T2619] kthread+0x38c/0x460 [ 812.994726][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 executing program executing program [ 812.999910][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 813.005793][ T2619] ret_from_fork+0x1f/0x30 [ 813.044507][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 813.054317][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 813.062312][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 813.096264][ T4925] usb 3-1: USB disconnect, device number 21 [ 813.149553][ T2619] usb 2-1: USB disconnect, device number 22 [ 813.155795][ T4415] usb 6-1: USB disconnect, device number 22 [ 813.160843][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 813.205840][ T5592] usb 4-1: USB disconnect, device number 21 [ 813.238568][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 813.251175][ T4501] usb 1-1: USB disconnect, device number 21 [ 813.317688][ T4414] usb 5-1: USB disconnect, device number 21 [ 813.491390][ T4925] usb 3-1: new high-speed USB device number 22 using dummy_hcd [ 813.531399][ T4415] usb 6-1: new high-speed USB device number 23 using dummy_hcd [ 813.539038][ T2619] usb 2-1: new high-speed USB device number 23 using dummy_hcd [ 813.611393][ T5592] usb 4-1: new high-speed USB device number 22 using dummy_hcd [ 813.641439][ T4501] usb 1-1: new high-speed USB device number 22 using dummy_hcd [ 813.691511][ T4414] usb 5-1: new high-speed USB device number 22 using dummy_hcd [ 814.061590][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.070715][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.078815][ T2619] usb 2-1: Product: syz [ 814.083041][ T2619] usb 2-1: Manufacturer: syz [ 814.087678][ T2619] usb 2-1: SerialNumber: syz [ 814.092431][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.101535][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.109517][ T4415] usb 6-1: Product: syz [ 814.113785][ T4415] usb 6-1: Manufacturer: syz [ 814.118381][ T4415] usb 6-1: SerialNumber: syz [ 814.125607][ T4415] usb 6-1: config 0 descriptor?? [ 814.131662][ T2619] usb 2-1: config 0 descriptor?? [ 814.139226][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.148403][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.156513][ T4925] usb 3-1: Product: syz [ 814.160679][ T4925] usb 3-1: Manufacturer: syz [ 814.165339][ T4925] usb 3-1: SerialNumber: syz [ 814.173319][ T4925] usb 3-1: config 0 descriptor?? [ 814.261639][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.270892][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.278964][ T5592] usb 4-1: Product: syz [ 814.283178][ T5592] usb 4-1: Manufacturer: syz [ 814.287757][ T5592] usb 4-1: SerialNumber: syz [ 814.292456][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.301530][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.309507][ T4501] usb 1-1: Product: syz [ 814.313723][ T4501] usb 1-1: Manufacturer: syz [ 814.318410][ T4501] usb 1-1: SerialNumber: syz [ 814.325951][ T5592] usb 4-1: config 0 descriptor?? [ 814.334884][ T4501] usb 1-1: config 0 descriptor?? [ 814.361484][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 814.370566][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 814.378771][ T4414] usb 5-1: Product: syz [ 814.383208][ T4414] usb 5-1: Manufacturer: syz [ 814.384461][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 814.387802][ T4414] usb 5-1: SerialNumber: syz [ 814.398657][ T2619] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 814.406209][ T2619] CPU: 1 PID: 2619 Comm: kworker/1:2 Not tainted 5.10.0-rc7-syzkaller #0 [ 814.414624][ T2619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 814.424696][ T2619] Workqueue: usb_hub_wq hub_event [ 814.428184][ T4414] usb 5-1: config 0 descriptor?? [ 814.429730][ T2619] Call Trace: [ 814.437940][ T2619] dump_stack+0x107/0x163 [ 814.442278][ T2619] sysfs_warn_dup.cold+0x1c/0x29 [ 814.447224][ T2619] sysfs_do_create_link_sd+0x11e/0x140 [ 814.452691][ T2619] sysfs_create_link+0x5f/0xc0 [ 814.457463][ T2619] device_add+0x79a/0x1ce0 [ 814.461888][ T2619] ? lockdep_init_map_waits+0x26a/0x700 [ 814.467436][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 814.472815][ T2619] ? __init_waitqueue_head+0x97/0x110 [ 814.478193][ T2619] ? pm_runtime_init+0x2cf/0x3b0 [ 814.483136][ T2619] tty_register_device_attr+0x395/0x7b0 [ 814.488726][ T2619] ? put_tty_driver+0xa0/0xa0 [ 814.493411][ T2619] ? mark_held_locks+0x9f/0xe0 [ 814.498175][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.504140][ T2619] ? tty_port_register_device_attr+0xbc/0x110 [ 814.510197][ T2619] hso_serial_common_create+0x124/0x8b0 [ 814.515728][ T2619] ? kasan_unpoison_shadow+0x33/0x40 [ 814.520999][ T2619] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 814.526787][ T2619] hso_probe+0xef9/0x1f70 [ 814.531098][ T2619] usb_probe_interface+0x315/0x7f0 [ 814.536191][ T2619] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 814.541544][ T2619] really_probe+0x291/0xde0 [ 814.546028][ T2619] driver_probe_device+0x26b/0x3d0 [ 814.551125][ T2619] __device_attach_driver+0x1d1/0x290 [ 814.556499][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 814.562459][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 814.567296][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 814.572485][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.578446][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 814.583506][ T2619] __device_attach+0x228/0x4a0 [ 814.588297][ T2619] ? really_probe+0xde0/0xde0 [ 814.592960][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 814.598245][ T2619] bus_probe_device+0x1e4/0x290 [ 814.603193][ T2619] device_add+0xbb2/0x1ce0 [ 814.607613][ T2619] ? devlink_add_symlinks+0x450/0x450 executing program [ 814.612999][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.618985][ T2619] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 814.624796][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 814.630077][ T2619] usb_set_configuration+0x113c/0x1910 [ 814.635520][ T2619] usb_generic_driver_probe+0xba/0x100 [ 814.640963][ T2619] usb_probe_device+0xd9/0x2c0 [ 814.645706][ T2619] ? usb_driver_release_interface+0x180/0x180 [ 814.651803][ T2619] really_probe+0x291/0xde0 [ 814.656290][ T2619] driver_probe_device+0x26b/0x3d0 [ 814.661433][ T2619] __device_attach_driver+0x1d1/0x290 [ 814.666788][ T2619] ? driver_allows_async_probing+0x150/0x150 [ 814.672748][ T2619] bus_for_each_drv+0x15f/0x1e0 [ 814.677590][ T2619] ? bus_for_each_dev+0x1d0/0x1d0 [ 814.682609][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.688568][ T2619] ? trace_hardirqs_on+0x5b/0x1a0 [ 814.693582][ T2619] __device_attach+0x228/0x4a0 [ 814.698327][ T2619] ? really_probe+0xde0/0xde0 [ 814.702993][ T2619] ? kobject_uevent_env+0x2bb/0x1680 [ 814.708269][ T2619] bus_probe_device+0x1e4/0x290 [ 814.713159][ T2619] device_add+0xbb2/0x1ce0 [ 814.717558][ T2619] ? devlink_add_symlinks+0x450/0x450 [ 814.722919][ T2619] usb_new_device.cold+0x71d/0xfe9 [ 814.728025][ T2619] ? hub_disconnect+0x510/0x510 [ 814.732865][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 814.737796][ T2619] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.743758][ T2619] hub_event+0x2348/0x42d0 [ 814.748161][ T2619] ? hub_port_debounce+0x3b0/0x3b0 [ 814.753252][ T2619] ? __lock_acquire+0x821/0x54f0 [ 814.758196][ T2619] ? put_pwq+0xb1/0x1b0 [ 814.762342][ T2619] ? lock_release+0x6d0/0x6d0 [ 814.767008][ T2619] ? lock_downgrade+0x6d0/0x6d0 [ 814.771866][ T2619] ? do_raw_spin_lock+0x120/0x2b0 [ 814.776877][ T2619] process_one_work+0x933/0x1520 [ 814.781805][ T2619] ? lock_release+0x6d0/0x6d0 [ 814.786464][ T2619] ? pwq_dec_nr_in_flight+0x320/0x320 [ 814.791815][ T2619] ? rwlock_bug.part.0+0x90/0x90 [ 814.796738][ T2619] worker_thread+0x82b/0x1120 [ 814.801408][ T2619] ? process_one_work+0x1520/0x1520 [ 814.806606][ T2619] kthread+0x38c/0x460 [ 814.810658][ T2619] ? _raw_spin_unlock_irq+0x1f/0x30 [ 814.815836][ T2619] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 814.821715][ T2619] ret_from_fork+0x1f/0x30 [ 814.829381][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 814.832430][ T4501] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 814.836669][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 814.843808][ T4501] CPU: 0 PID: 4501 Comm: kworker/0:4 Not tainted 5.10.0-rc7-syzkaller #0 [ 814.843817][ T4501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 814.843833][ T4501] Workqueue: usb_hub_wq hub_event [ 814.874189][ T4501] Call Trace: [ 814.877465][ T4501] dump_stack+0x107/0x163 [ 814.881781][ T4501] sysfs_warn_dup.cold+0x1c/0x29 [ 814.886708][ T4501] sysfs_do_create_link_sd+0x11e/0x140 [ 814.892150][ T4501] sysfs_create_link+0x5f/0xc0 [ 814.896898][ T4501] device_add+0x79a/0x1ce0 [ 814.901301][ T4501] ? lockdep_init_map_waits+0x26a/0x700 [ 814.906831][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 814.912189][ T4501] ? __init_waitqueue_head+0x97/0x110 [ 814.917543][ T4501] ? pm_runtime_init+0x2cf/0x3b0 [ 814.922465][ T4501] tty_register_device_attr+0x395/0x7b0 [ 814.927994][ T4501] ? put_tty_driver+0xa0/0xa0 [ 814.932653][ T4501] ? mark_held_locks+0x9f/0xe0 [ 814.937402][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 814.943362][ T4501] ? tty_port_register_device_attr+0xbc/0x110 [ 814.949414][ T4501] hso_serial_common_create+0x124/0x8b0 [ 814.954944][ T4501] ? kasan_unpoison_shadow+0x33/0x40 [ 814.960231][ T4501] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 814.966020][ T4501] hso_probe+0xef9/0x1f70 [ 814.970333][ T4501] usb_probe_interface+0x315/0x7f0 [ 814.975429][ T4501] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 814.980786][ T4501] really_probe+0x291/0xde0 [ 814.985290][ T4501] driver_probe_device+0x26b/0x3d0 [ 814.990386][ T4501] __device_attach_driver+0x1d1/0x290 [ 814.995742][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 815.001721][ T4501] bus_for_each_drv+0x15f/0x1e0 [ 815.006556][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 815.011653][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.017620][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.022632][ T4501] __device_attach+0x228/0x4a0 [ 815.027382][ T4501] ? really_probe+0xde0/0xde0 [ 815.032043][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 815.037312][ T4501] bus_probe_device+0x1e4/0x290 [ 815.042148][ T4501] device_add+0xbb2/0x1ce0 [ 815.046547][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 815.051901][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.057863][ T4501] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 815.063653][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.068661][ T4501] usb_set_configuration+0x113c/0x1910 [ 815.074123][ T4501] usb_generic_driver_probe+0xba/0x100 [ 815.079566][ T4501] usb_probe_device+0xd9/0x2c0 [ 815.084314][ T4501] ? usb_driver_release_interface+0x180/0x180 [ 815.090363][ T4501] really_probe+0x291/0xde0 [ 815.094866][ T4501] driver_probe_device+0x26b/0x3d0 [ 815.099963][ T4501] __device_attach_driver+0x1d1/0x290 [ 815.105324][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 815.111296][ T4501] bus_for_each_drv+0x15f/0x1e0 [ 815.116134][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 815.121144][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.127108][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.132117][ T4501] __device_attach+0x228/0x4a0 [ 815.136878][ T4501] ? really_probe+0xde0/0xde0 [ 815.141540][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 815.146826][ T4501] bus_probe_device+0x1e4/0x290 [ 815.151658][ T4501] device_add+0xbb2/0x1ce0 [ 815.156059][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 815.161416][ T4501] usb_new_device.cold+0x71d/0xfe9 [ 815.166511][ T4501] ? hub_disconnect+0x510/0x510 [ 815.171345][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 815.176268][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.182232][ T4501] hub_event+0x2348/0x42d0 [ 815.186650][ T4501] ? hub_port_debounce+0x3b0/0x3b0 [ 815.191746][ T4501] ? __lock_acquire+0x821/0x54f0 [ 815.196666][ T4501] ? put_pwq+0xb1/0x1b0 [ 815.200804][ T4501] ? lock_release+0x6d0/0x6d0 [ 815.205463][ T4501] ? lock_downgrade+0x6d0/0x6d0 [ 815.210297][ T4501] ? do_raw_spin_lock+0x120/0x2b0 [ 815.215308][ T4501] process_one_work+0x933/0x1520 [ 815.220230][ T4501] ? lock_release+0x6d0/0x6d0 [ 815.224894][ T4501] ? pwq_dec_nr_in_flight+0x320/0x320 [ 815.230250][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 815.235173][ T4501] worker_thread+0x64c/0x1120 [ 815.239833][ T4501] ? __kthread_parkme+0x118/0x1d0 [ 815.244854][ T4501] ? process_one_work+0x1520/0x1520 [ 815.250035][ T4501] kthread+0x38c/0x460 [ 815.254098][ T4501] ? _raw_spin_unlock_irq+0x1f/0x30 [ 815.259281][ T4501] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 815.265159][ T4501] ret_from_fork+0x1f/0x30 [ 815.269986][ T5592] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 815.277499][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 815.285915][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 815.295985][ T5592] Workqueue: usb_hub_wq hub_event [ 815.301024][ T5592] Call Trace: [ 815.304332][ T5592] dump_stack+0x107/0x163 [ 815.308700][ T5592] sysfs_warn_dup.cold+0x1c/0x29 [ 815.313646][ T5592] sysfs_do_create_link_sd+0x11e/0x140 [ 815.319116][ T5592] sysfs_create_link+0x5f/0xc0 [ 815.323889][ T5592] device_add+0x79a/0x1ce0 [ 815.328315][ T5592] ? lockdep_init_map_waits+0x26a/0x700 [ 815.333868][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 815.339245][ T5592] ? __init_waitqueue_head+0x97/0x110 [ 815.344624][ T5592] ? pm_runtime_init+0x2cf/0x3b0 [ 815.349564][ T5592] tty_register_device_attr+0x395/0x7b0 [ 815.355121][ T5592] ? put_tty_driver+0xa0/0xa0 [ 815.359812][ T5592] ? mark_held_locks+0x9f/0xe0 [ 815.364575][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.370546][ T5592] ? tty_port_register_device_attr+0xbc/0x110 [ 815.376603][ T5592] hso_serial_common_create+0x124/0x8b0 [ 815.382136][ T5592] ? kasan_unpoison_shadow+0x33/0x40 [ 815.387406][ T5592] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 815.393196][ T5592] hso_probe+0xef9/0x1f70 [ 815.397510][ T5592] usb_probe_interface+0x315/0x7f0 [ 815.402604][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 815.407961][ T5592] really_probe+0x291/0xde0 [ 815.412451][ T5592] driver_probe_device+0x26b/0x3d0 [ 815.417544][ T5592] __device_attach_driver+0x1d1/0x290 [ 815.422900][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 815.428861][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 815.433695][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 815.438704][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.444667][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.449815][ T5592] __device_attach+0x228/0x4a0 [ 815.454564][ T5592] ? really_probe+0xde0/0xde0 [ 815.459230][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 815.464589][ T5592] bus_probe_device+0x1e4/0x290 [ 815.469421][ T5592] device_add+0xbb2/0x1ce0 [ 815.473837][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 815.479192][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.485159][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 815.490948][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.495970][ T5592] usb_set_configuration+0x113c/0x1910 [ 815.501426][ T5592] usb_generic_driver_probe+0xba/0x100 [ 815.506868][ T5592] usb_probe_device+0xd9/0x2c0 [ 815.511616][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 815.517665][ T5592] really_probe+0x291/0xde0 [ 815.522152][ T5592] driver_probe_device+0x26b/0x3d0 [ 815.527265][ T5592] __device_attach_driver+0x1d1/0x290 [ 815.532622][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 815.538587][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 815.543422][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 815.548428][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.554389][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 815.559397][ T5592] __device_attach+0x228/0x4a0 [ 815.564161][ T5592] ? really_probe+0xde0/0xde0 [ 815.568830][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 815.574102][ T5592] bus_probe_device+0x1e4/0x290 [ 815.578944][ T5592] device_add+0xbb2/0x1ce0 [ 815.583354][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 815.588718][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 815.593821][ T5592] ? hub_disconnect+0x510/0x510 [ 815.598661][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 815.603587][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 815.609551][ T5592] hub_event+0x2348/0x42d0 [ 815.613971][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 815.619064][ T5592] ? __lock_acquire+0x821/0x54f0 [ 815.623985][ T5592] ? put_pwq+0xb1/0x1b0 [ 815.628127][ T5592] ? lock_release+0x6d0/0x6d0 [ 815.632789][ T5592] ? lock_downgrade+0x6d0/0x6d0 [ 815.637623][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 815.642632][ T5592] process_one_work+0x933/0x1520 [ 815.647561][ T5592] ? lock_release+0x6d0/0x6d0 [ 815.652221][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 815.657576][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 815.662496][ T5592] worker_thread+0x82b/0x1120 [ 815.667155][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 815.672167][ T5592] ? process_one_work+0x1520/0x1520 [ 815.677348][ T5592] kthread+0x38c/0x460 [ 815.681405][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 815.686587][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 815.692480][ T5592] ret_from_fork+0x1f/0x30 [ 815.703282][ T4925] hso 3-1:0.0: Failed to find BULK IN ep executing program executing program executing program [ 815.719766][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 815.751030][ T4415] usb 6-1: USB disconnect, device number 23 [ 815.765814][ T2619] usb 2-1: USB disconnect, device number 23 [ 815.808707][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 815.818076][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 815.848378][ T4806] usb 3-1: USB disconnect, device number 22 executing program [ 815.877475][ T4501] usb 1-1: USB disconnect, device number 22 [ 815.902483][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 815.935946][ T5592] usb 4-1: USB disconnect, device number 22 [ 815.954950][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 816.046378][ T4414] usb 5-1: USB disconnect, device number 22 [ 816.161265][ T2619] usb 2-1: new high-speed USB device number 24 using dummy_hcd [ 816.171972][ T4415] usb 6-1: new high-speed USB device number 24 using dummy_hcd [ 816.271218][ T4806] usb 3-1: new high-speed USB device number 23 using dummy_hcd [ 816.341209][ T4501] usb 1-1: new high-speed USB device number 23 using dummy_hcd [ 816.371353][ T5592] usb 4-1: new high-speed USB device number 23 using dummy_hcd [ 816.481206][ T4414] usb 5-1: new high-speed USB device number 23 using dummy_hcd [ 816.681371][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 816.690559][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 816.698700][ T2619] usb 2-1: Product: syz [ 816.702926][ T2619] usb 2-1: Manufacturer: syz [ 816.707506][ T2619] usb 2-1: SerialNumber: syz [ 816.712254][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 816.721340][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 816.729312][ T4415] usb 6-1: Product: syz [ 816.733512][ T4415] usb 6-1: Manufacturer: syz [ 816.738112][ T4415] usb 6-1: SerialNumber: syz [ 816.744877][ T4415] usb 6-1: config 0 descriptor?? [ 816.751331][ T2619] usb 2-1: config 0 descriptor?? [ 816.821429][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 816.830463][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 816.838505][ T4806] usb 3-1: Product: syz [ 816.842715][ T4806] usb 3-1: Manufacturer: syz [ 816.847294][ T4806] usb 3-1: SerialNumber: syz [ 816.856522][ T4806] usb 3-1: config 0 descriptor?? [ 816.971462][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 816.980547][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 816.988603][ T4501] usb 1-1: Product: syz [ 816.992939][ T4501] usb 1-1: Manufacturer: syz [ 816.997529][ T4501] usb 1-1: SerialNumber: syz [ 817.002234][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 817.011378][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 817.012037][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 817.019352][ T5592] usb 4-1: Product: syz [ 817.026850][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 817.030968][ T5592] usb 4-1: Manufacturer: syz [ 817.039356][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 817.039373][ T4415] Workqueue: usb_hub_wq hub_event [ 817.044004][ T5592] usb 4-1: SerialNumber: syz [ 817.053984][ T4415] Call Trace: [ 817.054005][ T4415] dump_stack+0x107/0x163 [ 817.054024][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 817.060876][ T4501] usb 1-1: config 0 descriptor?? [ 817.063596][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 817.063610][ T4415] sysfs_create_link+0x5f/0xc0 [ 817.063628][ T4415] device_add+0x79a/0x1ce0 [ 817.068940][ T5592] usb 4-1: config 0 descriptor?? [ 817.071209][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 817.071223][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 817.071243][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 817.116847][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 817.121797][ T4415] tty_register_device_attr+0x395/0x7b0 [ 817.127350][ T4415] ? put_tty_driver+0xa0/0xa0 [ 817.132036][ T4415] ? mark_held_locks+0x9f/0xe0 [ 817.136808][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.142794][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 817.148870][ T4415] hso_serial_common_create+0x124/0x8b0 [ 817.154415][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 817.159688][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 817.165480][ T4415] hso_probe+0xef9/0x1f70 [ 817.169792][ T4415] usb_probe_interface+0x315/0x7f0 [ 817.174892][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 817.180253][ T4415] really_probe+0x291/0xde0 [ 817.184756][ T4415] driver_probe_device+0x26b/0x3d0 [ 817.189849][ T4415] __device_attach_driver+0x1d1/0x290 [ 817.195202][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 817.201160][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 817.205990][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 817.210995][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.216958][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 817.221962][ T4415] __device_attach+0x228/0x4a0 [ 817.226706][ T4415] ? really_probe+0xde0/0xde0 [ 817.231418][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 817.236697][ T4415] bus_probe_device+0x1e4/0x290 [ 817.241608][ T4415] device_add+0xbb2/0x1ce0 [ 817.246018][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 817.251376][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.257353][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 817.263325][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 817.268350][ T4415] usb_set_configuration+0x113c/0x1910 [ 817.273821][ T4415] usb_generic_driver_probe+0xba/0x100 [ 817.279287][ T4415] usb_probe_device+0xd9/0x2c0 [ 817.284057][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 817.290134][ T4415] really_probe+0x291/0xde0 [ 817.294640][ T4415] driver_probe_device+0x26b/0x3d0 [ 817.299737][ T4415] __device_attach_driver+0x1d1/0x290 [ 817.305096][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 817.311059][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 817.315905][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 817.320944][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.326914][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 817.331924][ T4415] __device_attach+0x228/0x4a0 [ 817.336675][ T4415] ? really_probe+0xde0/0xde0 [ 817.341351][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 817.346626][ T4415] bus_probe_device+0x1e4/0x290 [ 817.351465][ T4415] device_add+0xbb2/0x1ce0 [ 817.355873][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 817.361235][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 817.366359][ T4415] ? hub_disconnect+0x510/0x510 [ 817.371210][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 817.376140][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.382114][ T4415] hub_event+0x2348/0x42d0 [ 817.386549][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 817.391652][ T4415] ? __lock_acquire+0x821/0x54f0 [ 817.396580][ T4415] ? put_pwq+0xb1/0x1b0 [ 817.400723][ T4415] ? lock_release+0x6d0/0x6d0 [ 817.405421][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 817.410271][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 817.415284][ T4415] process_one_work+0x933/0x1520 executing program [ 817.420208][ T4415] ? lock_release+0x6d0/0x6d0 [ 817.424898][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 817.430292][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 817.435230][ T4415] worker_thread+0x82b/0x1120 [ 817.439949][ T4415] ? process_one_work+0x1520/0x1520 [ 817.445145][ T4415] kthread+0x38c/0x460 [ 817.449225][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 817.454411][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 817.460293][ T4415] ret_from_fork+0x1f/0x30 [ 817.471412][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 817.479732][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 817.487783][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 817.498600][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 817.501770][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 817.514601][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 817.522630][ T4414] usb 5-1: Product: syz [ 817.526791][ T4414] usb 5-1: Manufacturer: syz [ 817.531423][ T4414] usb 5-1: SerialNumber: syz [ 817.559569][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 817.580950][ T2619] usb 2-1: USB disconnect, device number 24 [ 817.610685][ T4415] usb 6-1: USB disconnect, device number 24 executing program [ 817.681828][ T4414] usb 5-1: config 0 descriptor?? [ 817.695565][ T4410] usb 3-1: USB disconnect, device number 23 [ 817.712270][ T5592] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 817.719760][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 817.728211][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 817.738262][ T5592] Workqueue: usb_hub_wq hub_event [ 817.743278][ T5592] Call Trace: [ 817.746578][ T5592] dump_stack+0x107/0x163 [ 817.750920][ T5592] sysfs_warn_dup.cold+0x1c/0x29 [ 817.755868][ T5592] sysfs_do_create_link_sd+0x11e/0x140 [ 817.761337][ T5592] sysfs_create_link+0x5f/0xc0 [ 817.766113][ T5592] device_add+0x79a/0x1ce0 [ 817.770538][ T5592] ? lockdep_init_map_waits+0x26a/0x700 [ 817.776083][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 817.781444][ T5592] ? __init_waitqueue_head+0x97/0x110 [ 817.786809][ T5592] ? pm_runtime_init+0x2cf/0x3b0 [ 817.791752][ T5592] tty_register_device_attr+0x395/0x7b0 [ 817.797305][ T5592] ? put_tty_driver+0xa0/0xa0 [ 817.801988][ T5592] ? mark_held_locks+0x9f/0xe0 [ 817.806759][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.812731][ T5592] ? tty_port_register_device_attr+0xbc/0x110 [ 817.818781][ T5592] hso_serial_common_create+0x124/0x8b0 [ 817.824374][ T5592] ? kasan_unpoison_shadow+0x33/0x40 [ 817.829695][ T5592] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 817.835487][ T5592] hso_probe+0xef9/0x1f70 [ 817.839799][ T5592] usb_probe_interface+0x315/0x7f0 [ 817.844948][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 817.850349][ T5592] really_probe+0x291/0xde0 [ 817.854835][ T5592] driver_probe_device+0x26b/0x3d0 [ 817.859929][ T5592] __device_attach_driver+0x1d1/0x290 [ 817.865282][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 817.871243][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 817.876097][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 817.881113][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 817.887098][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 817.892105][ T5592] __device_attach+0x228/0x4a0 [ 817.896860][ T5592] ? really_probe+0xde0/0xde0 [ 817.901542][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 817.906821][ T5592] bus_probe_device+0x1e4/0x290 [ 817.911653][ T5592] device_add+0xbb2/0x1ce0 [ 817.916064][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 817.921445][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 817.927438][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 817.931242][ T2619] usb 2-1: new high-speed USB device number 25 using dummy_hcd [ 817.933242][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 817.933256][ T5592] usb_set_configuration+0x113c/0x1910 [ 817.933275][ T5592] usb_generic_driver_probe+0xba/0x100 [ 817.956699][ T5592] usb_probe_device+0xd9/0x2c0 [ 817.961565][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 817.967642][ T5592] really_probe+0x291/0xde0 [ 817.971231][ T4415] usb 6-1: new high-speed USB device number 25 using dummy_hcd executing program [ 817.972148][ T5592] driver_probe_device+0x26b/0x3d0 [ 817.972165][ T5592] __device_attach_driver+0x1d1/0x290 [ 817.972181][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 817.972195][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 817.972209][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 817.972229][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 818.011947][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 818.016983][ T5592] __device_attach+0x228/0x4a0 [ 818.021755][ T5592] ? really_probe+0xde0/0xde0 [ 818.026440][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 818.031732][ T5592] bus_probe_device+0x1e4/0x290 [ 818.036587][ T5592] device_add+0xbb2/0x1ce0 [ 818.041007][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 818.046386][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 818.051109][ T4410] usb 3-1: new high-speed USB device number 24 using dummy_hcd [ 818.051497][ T5592] ? hub_disconnect+0x510/0x510 [ 818.051513][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 818.051528][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 818.051543][ T5592] hub_event+0x2348/0x42d0 [ 818.051558][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 818.051576][ T5592] ? __lock_acquire+0x821/0x54f0 [ 818.089209][ T5592] ? put_pwq+0xb1/0x1b0 [ 818.093361][ T5592] ? lock_release+0x6d0/0x6d0 [ 818.098028][ T5592] ? lock_downgrade+0x6d0/0x6d0 [ 818.102865][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 818.107882][ T5592] process_one_work+0x933/0x1520 [ 818.112803][ T5592] ? lock_release+0x6d0/0x6d0 [ 818.117478][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 818.122853][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 818.127771][ T5592] worker_thread+0x82b/0x1120 [ 818.132440][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 818.137445][ T5592] ? process_one_work+0x1520/0x1520 [ 818.142625][ T5592] kthread+0x38c/0x460 [ 818.146687][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 818.151876][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 818.157802][ T5592] ret_from_fork+0x1f/0x30 [ 818.163822][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 818.171089][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 818.179559][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 818.227337][ T4501] usb 1-1: USB disconnect, device number 23 [ 818.262195][ T5592] usb 4-1: USB disconnect, device number 23 [ 818.372042][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 818.379292][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 818.471988][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 818.481237][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 818.489218][ T2619] usb 2-1: Product: syz [ 818.493427][ T2619] usb 2-1: Manufacturer: syz [ 818.498025][ T2619] usb 2-1: SerialNumber: syz [ 818.503679][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 818.512798][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 818.520774][ T4415] usb 6-1: Product: syz [ 818.525023][ T4415] usb 6-1: Manufacturer: syz [ 818.529612][ T4415] usb 6-1: SerialNumber: syz [ 818.538203][ T2619] usb 2-1: config 0 descriptor?? [ 818.548762][ T4415] usb 6-1: config 0 descriptor?? executing program [ 818.574008][ T4414] usb 5-1: USB disconnect, device number 23 [ 818.581245][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 818.590294][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 818.598541][ T4410] usb 3-1: Product: syz [ 818.601430][ T4501] usb 1-1: new high-speed USB device number 24 using dummy_hcd [ 818.602754][ T4410] usb 3-1: Manufacturer: syz [ 818.602767][ T4410] usb 3-1: SerialNumber: syz [ 818.610306][ T4410] usb 3-1: config 0 descriptor?? [ 818.641301][ T5592] usb 4-1: new high-speed USB device number 24 using dummy_hcd [ 818.841734][ T4415] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 818.849355][ T4415] CPU: 1 PID: 4415 Comm: kworker/1:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 818.857758][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 818.867887][ T4415] Workqueue: usb_hub_wq hub_event [ 818.872899][ T4415] Call Trace: [ 818.876194][ T4415] dump_stack+0x107/0x163 [ 818.880517][ T4415] sysfs_warn_dup.cold+0x1c/0x29 [ 818.885503][ T4415] sysfs_do_create_link_sd+0x11e/0x140 [ 818.890945][ T4415] sysfs_create_link+0x5f/0xc0 [ 818.895698][ T4415] device_add+0x79a/0x1ce0 [ 818.900114][ T4415] ? lockdep_init_map_waits+0x26a/0x700 [ 818.905803][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 818.911161][ T4415] ? __init_waitqueue_head+0x97/0x110 [ 818.916522][ T4415] ? pm_runtime_init+0x2cf/0x3b0 [ 818.921460][ T4415] tty_register_device_attr+0x395/0x7b0 [ 818.926987][ T4415] ? put_tty_driver+0xa0/0xa0 [ 818.931643][ T4415] ? mark_held_locks+0x9f/0xe0 [ 818.936447][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 818.942441][ T4415] ? tty_port_register_device_attr+0xbc/0x110 [ 818.948523][ T4415] hso_serial_common_create+0x124/0x8b0 [ 818.954067][ T4415] ? kasan_unpoison_shadow+0x33/0x40 [ 818.959343][ T4415] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 818.965137][ T4415] hso_probe+0xef9/0x1f70 [ 818.969456][ T4415] usb_probe_interface+0x315/0x7f0 [ 818.974555][ T4415] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 818.979914][ T4415] really_probe+0x291/0xde0 [ 818.984423][ T4415] driver_probe_device+0x26b/0x3d0 [ 818.989530][ T4415] __device_attach_driver+0x1d1/0x290 [ 818.994882][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 819.000850][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 819.005693][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 819.010712][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.016684][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.021750][ T4415] __device_attach+0x228/0x4a0 [ 819.026545][ T4415] ? really_probe+0xde0/0xde0 [ 819.031216][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 819.036479][ T4415] bus_probe_device+0x1e4/0x290 [ 819.042629][ T4415] device_add+0xbb2/0x1ce0 [ 819.047064][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 819.052429][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.058400][ T4415] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 819.064189][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.069197][ T4415] usb_set_configuration+0x113c/0x1910 [ 819.074640][ T4415] usb_generic_driver_probe+0xba/0x100 [ 819.080081][ T4415] usb_probe_device+0xd9/0x2c0 [ 819.084832][ T4415] ? usb_driver_release_interface+0x180/0x180 [ 819.090884][ T4415] really_probe+0x291/0xde0 [ 819.095377][ T4415] driver_probe_device+0x26b/0x3d0 [ 819.100471][ T4415] __device_attach_driver+0x1d1/0x290 [ 819.105826][ T4415] ? driver_allows_async_probing+0x150/0x150 [ 819.111787][ T4415] bus_for_each_drv+0x15f/0x1e0 [ 819.116622][ T4415] ? bus_for_each_dev+0x1d0/0x1d0 [ 819.121629][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.127591][ T4415] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.132599][ T4415] __device_attach+0x228/0x4a0 [ 819.137347][ T4415] ? really_probe+0xde0/0xde0 [ 819.142012][ T4415] ? kobject_uevent_env+0x2bb/0x1680 [ 819.147280][ T4415] bus_probe_device+0x1e4/0x290 [ 819.152113][ T4415] device_add+0xbb2/0x1ce0 [ 819.156511][ T4415] ? devlink_add_symlinks+0x450/0x450 [ 819.161868][ T4415] usb_new_device.cold+0x71d/0xfe9 [ 819.166966][ T4415] ? hub_disconnect+0x510/0x510 [ 819.171801][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 819.176808][ T4415] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.182773][ T4415] hub_event+0x2348/0x42d0 [ 819.187175][ T4415] ? hub_port_debounce+0x3b0/0x3b0 [ 819.192281][ T4415] ? __lock_acquire+0x821/0x54f0 [ 819.197202][ T4415] ? put_pwq+0xb1/0x1b0 [ 819.201339][ T4415] ? lock_release+0x6d0/0x6d0 [ 819.206002][ T4415] ? lock_downgrade+0x6d0/0x6d0 [ 819.210836][ T4415] ? do_raw_spin_lock+0x120/0x2b0 [ 819.215844][ T4415] process_one_work+0x933/0x1520 [ 819.220765][ T4415] ? lock_release+0x6d0/0x6d0 [ 819.225425][ T4415] ? pwq_dec_nr_in_flight+0x320/0x320 [ 819.230779][ T4415] ? rwlock_bug.part.0+0x90/0x90 [ 819.235703][ T4415] worker_thread+0x82b/0x1120 [ 819.240369][ T4415] ? process_one_work+0x1520/0x1520 [ 819.245549][ T4415] kthread+0x38c/0x460 [ 819.249603][ T4415] ? _raw_spin_unlock_irq+0x1f/0x30 [ 819.254802][ T4415] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 819.260696][ T4415] ret_from_fork+0x1f/0x30 [ 819.265638][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 819.271806][ T4410] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 819.279279][ T4410] CPU: 1 PID: 4410 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 819.287778][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 819.297852][ T4410] Workqueue: usb_hub_wq hub_event [ 819.302907][ T4410] Call Trace: [ 819.306206][ T4410] dump_stack+0x107/0x163 [ 819.310545][ T4410] sysfs_warn_dup.cold+0x1c/0x29 [ 819.315492][ T4410] sysfs_do_create_link_sd+0x11e/0x140 [ 819.320960][ T4410] sysfs_create_link+0x5f/0xc0 [ 819.325734][ T4410] device_add+0x79a/0x1ce0 [ 819.330158][ T4410] ? lockdep_init_map_waits+0x26a/0x700 [ 819.335711][ T4410] ? devlink_add_symlinks+0x450/0x450 executing program executing program [ 819.341097][ T4410] ? __init_waitqueue_head+0x97/0x110 [ 819.346484][ T4410] ? pm_runtime_init+0x2cf/0x3b0 [ 819.351435][ T4410] tty_register_device_attr+0x395/0x7b0 [ 819.356990][ T4410] ? put_tty_driver+0xa0/0xa0 [ 819.361708][ T4410] ? mark_held_locks+0x9f/0xe0 [ 819.366488][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.372478][ T4410] ? tty_port_register_device_attr+0xbc/0x110 [ 819.378558][ T4410] hso_serial_common_create+0x124/0x8b0 [ 819.384116][ T4410] ? kasan_unpoison_shadow+0x33/0x40 [ 819.389412][ T4410] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 819.395231][ T4410] hso_probe+0xef9/0x1f70 [ 819.399573][ T4410] usb_probe_interface+0x315/0x7f0 [ 819.404738][ T4410] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 819.410095][ T4410] really_probe+0x291/0xde0 [ 819.414583][ T4410] driver_probe_device+0x26b/0x3d0 [ 819.419676][ T4410] __device_attach_driver+0x1d1/0x290 [ 819.425032][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 819.431004][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 819.435848][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 819.440857][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.446825][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.451855][ T4410] __device_attach+0x228/0x4a0 [ 819.456601][ T4410] ? really_probe+0xde0/0xde0 [ 819.461278][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 819.466548][ T4410] bus_probe_device+0x1e4/0x290 [ 819.471379][ T4410] device_add+0xbb2/0x1ce0 [ 819.475801][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 819.481526][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.487516][ T4410] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 819.493328][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.498358][ T4410] usb_set_configuration+0x113c/0x1910 [ 819.503815][ T4410] usb_generic_driver_probe+0xba/0x100 [ 819.509257][ T4410] usb_probe_device+0xd9/0x2c0 [ 819.514002][ T4410] ? usb_driver_release_interface+0x180/0x180 [ 819.520060][ T4410] really_probe+0x291/0xde0 [ 819.524545][ T4410] driver_probe_device+0x26b/0x3d0 [ 819.529658][ T4410] __device_attach_driver+0x1d1/0x290 [ 819.535208][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 819.543016][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 819.547867][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 819.552882][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.558847][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 819.563871][ T4410] __device_attach+0x228/0x4a0 [ 819.568703][ T4410] ? really_probe+0xde0/0xde0 [ 819.573399][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 819.578666][ T4410] bus_probe_device+0x1e4/0x290 [ 819.583531][ T4410] device_add+0xbb2/0x1ce0 [ 819.587930][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 819.593296][ T4410] usb_new_device.cold+0x71d/0xfe9 [ 819.598409][ T4410] ? hub_disconnect+0x510/0x510 [ 819.603255][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 819.608272][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 819.614233][ T4410] hub_event+0x2348/0x42d0 [ 819.618634][ T4410] ? hub_port_debounce+0x3b0/0x3b0 [ 819.623771][ T4410] ? __lock_acquire+0x820/0x54f0 [ 819.628697][ T4410] ? put_pwq+0xb1/0x1b0 [ 819.632835][ T4410] ? lock_release+0x6d0/0x6d0 [ 819.637538][ T4410] ? lock_downgrade+0x6d0/0x6d0 [ 819.642413][ T4410] ? do_raw_spin_lock+0x120/0x2b0 [ 819.647432][ T4410] process_one_work+0x933/0x1520 [ 819.652349][ T4410] ? lock_release+0x6d0/0x6d0 [ 819.657007][ T4410] ? pwq_dec_nr_in_flight+0x320/0x320 [ 819.662357][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 819.667283][ T4410] worker_thread+0x64c/0x1120 [ 819.671964][ T4410] ? process_one_work+0x1520/0x1520 [ 819.677163][ T4410] kthread+0x38c/0x460 [ 819.681222][ T4410] ? _raw_spin_unlock_irq+0x1f/0x30 [ 819.686412][ T4410] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 819.692297][ T4410] ret_from_fork+0x1f/0x30 [ 819.697612][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 819.702221][ T4414] usb 5-1: new high-speed USB device number 24 using dummy_hcd [ 819.705420][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 819.719766][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 819.786684][ T4415] usb 6-1: USB disconnect, device number 25 [ 819.820976][ T4410] usb 3-1: USB disconnect, device number 24 [ 819.827086][ T2619] usb 2-1: USB disconnect, device number 25 [ 819.991207][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.000319][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.008376][ T5592] usb 4-1: Product: syz [ 820.012653][ T5592] usb 4-1: Manufacturer: syz [ 820.017236][ T5592] usb 4-1: SerialNumber: syz [ 820.021924][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.031082][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.039061][ T4501] usb 1-1: Product: syz [ 820.043272][ T4501] usb 1-1: Manufacturer: syz [ 820.047859][ T4501] usb 1-1: SerialNumber: syz [ 820.055290][ T5592] usb 4-1: config 0 descriptor?? [ 820.061586][ T4501] usb 1-1: config 0 descriptor?? [ 820.141106][ T4415] usb 6-1: new high-speed USB device number 26 using dummy_hcd [ 820.191098][ T2619] usb 2-1: new high-speed USB device number 26 using dummy_hcd [ 820.198763][ T4410] usb 3-1: new high-speed USB device number 25 using dummy_hcd [ 820.321993][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 820.329485][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 820.342556][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.351660][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.359650][ T4414] usb 5-1: Product: syz [ 820.363943][ T4414] usb 5-1: Manufacturer: syz [ 820.368540][ T4414] usb 5-1: SerialNumber: syz [ 820.374130][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 820.382168][ T4414] usb 5-1: config 0 descriptor?? [ 820.387594][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 820.522458][ T5592] usb 1-1: USB disconnect, device number 24 executing program [ 820.566420][ T4492] usb 4-1: USB disconnect, device number 24 [ 820.632265][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 820.639365][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 820.661554][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.670742][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.679001][ T4415] usb 6-1: Product: syz [ 820.683216][ T4415] usb 6-1: Manufacturer: syz [ 820.687795][ T4415] usb 6-1: SerialNumber: syz [ 820.695024][ T4415] usb 6-1: config 0 descriptor?? [ 820.731482][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.740570][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.748680][ T4410] usb 3-1: Product: syz [ 820.752879][ T4410] usb 3-1: Manufacturer: syz [ 820.757536][ T4410] usb 3-1: SerialNumber: syz [ 820.762366][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 820.771456][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 820.779431][ T2619] usb 2-1: Product: syz [ 820.783640][ T2619] usb 2-1: Manufacturer: syz [ 820.788235][ T2619] usb 2-1: SerialNumber: syz [ 820.797427][ T2619] usb 2-1: config 0 descriptor?? [ 820.803654][ T4410] usb 3-1: config 0 descriptor?? executing program [ 820.832858][ T4806] usb 5-1: USB disconnect, device number 24 [ 820.951831][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 820.961063][ T5592] usb 1-1: new high-speed USB device number 25 using dummy_hcd [ 820.971705][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 821.040976][ T4492] usb 4-1: new high-speed USB device number 25 using dummy_hcd [ 821.061669][ T4410] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 821.069149][ T4410] CPU: 1 PID: 4410 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 [ 821.077542][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 821.087593][ T4410] Workqueue: usb_hub_wq hub_event [ 821.092598][ T4410] Call Trace: [ 821.095872][ T4410] dump_stack+0x107/0x163 [ 821.100185][ T4410] sysfs_warn_dup.cold+0x1c/0x29 [ 821.105107][ T4410] sysfs_do_create_link_sd+0x11e/0x140 [ 821.110561][ T4410] sysfs_create_link+0x5f/0xc0 [ 821.115321][ T4410] device_add+0x79a/0x1ce0 [ 821.119720][ T4410] ? lockdep_init_map_waits+0x26a/0x700 [ 821.125266][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 821.130618][ T4410] ? __init_waitqueue_head+0x97/0x110 [ 821.135981][ T4410] ? pm_runtime_init+0x2cf/0x3b0 [ 821.140912][ T4410] tty_register_device_attr+0x395/0x7b0 [ 821.146440][ T4410] ? put_tty_driver+0xa0/0xa0 [ 821.151103][ T4410] ? mark_held_locks+0x9f/0xe0 [ 821.152638][ T4414] usb 6-1: USB disconnect, device number 26 [ 821.155870][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 821.167698][ T4410] ? tty_port_register_device_attr+0xbc/0x110 [ 821.173762][ T4410] hso_serial_common_create+0x124/0x8b0 [ 821.179313][ T4410] ? kasan_unpoison_shadow+0x33/0x40 [ 821.184590][ T4410] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 executing program [ 821.190389][ T4410] hso_probe+0xef9/0x1f70 [ 821.194712][ T4410] usb_probe_interface+0x315/0x7f0 [ 821.199821][ T4410] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 821.205204][ T4410] really_probe+0x291/0xde0 [ 821.209714][ T4410] driver_probe_device+0x26b/0x3d0 [ 821.214832][ T4410] __device_attach_driver+0x1d1/0x290 [ 821.220213][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 821.226198][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 821.231062][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 executing program [ 821.236093][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 821.242081][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 821.247116][ T4410] __device_attach+0x228/0x4a0 [ 821.251888][ T4410] ? really_probe+0xde0/0xde0 [ 821.256572][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 821.261865][ T4410] bus_probe_device+0x1e4/0x290 [ 821.266709][ T4410] device_add+0xbb2/0x1ce0 [ 821.271119][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 821.276498][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 821.282491][ T4410] ? _raw_spin_unlock_irqrestore+0x34/0x40 executing program [ 821.288319][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 821.293352][ T4410] usb_set_configuration+0x113c/0x1910 [ 821.298815][ T4410] usb_generic_driver_probe+0xba/0x100 [ 821.304279][ T4410] usb_probe_device+0xd9/0x2c0 [ 821.309056][ T4410] ? usb_driver_release_interface+0x180/0x180 [ 821.315132][ T4410] really_probe+0x291/0xde0 [ 821.319642][ T4410] driver_probe_device+0x26b/0x3d0 [ 821.324759][ T4410] __device_attach_driver+0x1d1/0x290 [ 821.330139][ T4410] ? driver_allows_async_probing+0x150/0x150 [ 821.336121][ T4410] bus_for_each_drv+0x15f/0x1e0 [ 821.340976][ T4410] ? bus_for_each_dev+0x1d0/0x1d0 [ 821.346004][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 821.351991][ T4410] ? trace_hardirqs_on+0x5b/0x1a0 [ 821.357007][ T4410] __device_attach+0x228/0x4a0 [ 821.361774][ T4410] ? really_probe+0xde0/0xde0 [ 821.366432][ T4410] ? kobject_uevent_env+0x2bb/0x1680 [ 821.371705][ T4410] bus_probe_device+0x1e4/0x290 [ 821.376542][ T4410] device_add+0xbb2/0x1ce0 [ 821.380954][ T4410] ? devlink_add_symlinks+0x450/0x450 [ 821.386311][ T4410] usb_new_device.cold+0x71d/0xfe9 [ 821.391428][ T4410] ? hub_disconnect+0x510/0x510 [ 821.396269][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 821.401195][ T4410] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 821.407164][ T4410] hub_event+0x2348/0x42d0 [ 821.411567][ T4410] ? hub_port_debounce+0x3b0/0x3b0 [ 821.416719][ T4410] ? __lock_acquire+0x821/0x54f0 [ 821.421644][ T4410] ? put_pwq+0xb1/0x1b0 [ 821.425790][ T4410] ? lock_release+0x6d0/0x6d0 [ 821.430455][ T4410] ? lock_downgrade+0x6d0/0x6d0 [ 821.435296][ T4410] ? do_raw_spin_lock+0x120/0x2b0 [ 821.440365][ T4410] process_one_work+0x933/0x1520 [ 821.445290][ T4410] ? lock_release+0x6d0/0x6d0 [ 821.449953][ T4410] ? pwq_dec_nr_in_flight+0x320/0x320 [ 821.455307][ T4410] ? rwlock_bug.part.0+0x90/0x90 [ 821.460228][ T4410] worker_thread+0x82b/0x1120 [ 821.464900][ T4410] ? process_one_work+0x1520/0x1520 [ 821.470089][ T4410] kthread+0x38c/0x460 [ 821.474140][ T4410] ? _raw_spin_unlock_irq+0x1f/0x30 [ 821.479327][ T4410] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 821.485212][ T4410] ret_from_fork+0x1f/0x30 [ 821.490624][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 821.498026][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 821.505780][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 821.560974][ T4806] usb 5-1: new high-speed USB device number 25 using dummy_hcd [ 821.583804][ T2619] usb 2-1: USB disconnect, device number 26 [ 821.590943][ T4410] usb 3-1: USB disconnect, device number 25 [ 821.850882][ T4414] usb 6-1: new high-speed USB device number 27 using dummy_hcd [ 821.950882][ T2619] usb 2-1: new high-speed USB device number 27 using dummy_hcd [ 821.958530][ T4410] usb 3-1: new high-speed USB device number 26 using dummy_hcd [ 821.981177][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 821.990268][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 821.998415][ T4492] usb 4-1: Product: syz [ 822.001897][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 822.002760][ T4492] usb 4-1: Manufacturer: syz [ 822.011638][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 822.016185][ T4492] usb 4-1: SerialNumber: syz [ 822.024156][ T5592] usb 1-1: Product: syz [ 822.024170][ T5592] usb 1-1: Manufacturer: syz [ 822.030713][ T4492] usb 4-1: config 0 descriptor?? [ 822.032913][ T5592] usb 1-1: SerialNumber: syz [ 822.068016][ T5592] usb 1-1: config 0 descriptor?? [ 822.101077][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 822.110139][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 822.118361][ T4806] usb 5-1: Product: syz [ 822.122591][ T4806] usb 5-1: Manufacturer: syz [ 822.127187][ T4806] usb 5-1: SerialNumber: syz [ 822.134677][ T4806] usb 5-1: config 0 descriptor?? [ 822.291900][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 822.298903][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 822.342789][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 822.352116][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 822.392820][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 822.399674][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 822.493613][ T4806] usb 4-1: USB disconnect, device number 25 [ 822.511165][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 822.520286][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 822.528487][ T4414] usb 6-1: Product: syz [ 822.531143][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 822.532699][ T4414] usb 6-1: Manufacturer: syz [ 822.541729][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 822.541745][ T2619] usb 2-1: Product: syz [ 822.546312][ T4414] usb 6-1: SerialNumber: syz [ 822.554416][ T2619] usb 2-1: Manufacturer: syz [ 822.565763][ T5592] usb 1-1: USB disconnect, device number 25 [ 822.568044][ T2619] usb 2-1: SerialNumber: syz [ 822.568136][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 executing program executing program [ 822.587685][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 822.595765][ T4410] usb 3-1: Product: syz [ 822.599929][ T4410] usb 3-1: Manufacturer: syz [ 822.604604][ T4410] usb 3-1: SerialNumber: syz [ 822.613340][ T4414] usb 6-1: config 0 descriptor?? [ 822.615437][ T2619] usb 2-1: config 0 descriptor?? [ 822.625102][ T4410] usb 3-1: config 0 descriptor?? [ 822.652704][ T30] usb 5-1: USB disconnect, device number 25 [ 822.871256][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 822.871756][ T4410] hso 3-1:0.0: Failed to find BULK IN ep [ 822.878767][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 822.889032][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 822.892750][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 822.892770][ T4414] Workqueue: usb_hub_wq hub_event [ 822.892781][ T4414] Call Trace: [ 822.892798][ T4414] dump_stack+0x107/0x163 [ 822.892812][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 822.892828][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 822.892843][ T4414] sysfs_create_link+0x5f/0xc0 [ 822.892856][ T4414] device_add+0x79a/0x1ce0 [ 822.892871][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 822.892884][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 822.892898][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 822.892910][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 822.892926][ T4414] tty_register_device_attr+0x395/0x7b0 [ 822.892940][ T4414] ? put_tty_driver+0xa0/0xa0 [ 822.892953][ T4414] ? mark_held_locks+0x9f/0xe0 [ 822.892966][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 822.892986][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 822.912311][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 822.914962][ T4414] hso_serial_common_create+0x124/0x8b0 [ 822.914986][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 822.920388][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 822.922564][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 822.922581][ T4414] hso_probe+0xef9/0x1f70 [ 822.922596][ T4414] usb_probe_interface+0x315/0x7f0 [ 822.922609][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 822.922623][ T4414] really_probe+0x291/0xde0 [ 822.922645][ T4414] driver_probe_device+0x26b/0x3d0 [ 822.981245][ T4806] usb 4-1: new high-speed USB device number 26 using dummy_hcd [ 822.984350][ T4414] __device_attach_driver+0x1d1/0x290 [ 822.984368][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 822.984382][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 822.984396][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 822.984410][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 822.984428][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 823.030814][ T30] usb 5-1: new high-speed USB device number 26 using dummy_hcd [ 823.034369][ T4414] __device_attach+0x228/0x4a0 [ 823.034386][ T4414] ? really_probe+0xde0/0xde0 [ 823.034402][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 823.034416][ T4414] bus_probe_device+0x1e4/0x290 [ 823.034428][ T4414] device_add+0xbb2/0x1ce0 [ 823.034446][ T4414] ? devlink_add_symlinks+0x450/0x450 executing program executing program [ 823.120923][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 823.126917][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 823.132742][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 823.137778][ T4414] usb_set_configuration+0x113c/0x1910 [ 823.143249][ T4414] usb_generic_driver_probe+0xba/0x100 [ 823.148721][ T4414] usb_probe_device+0xd9/0x2c0 [ 823.153499][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 823.159578][ T4414] really_probe+0x291/0xde0 [ 823.164084][ T4414] driver_probe_device+0x26b/0x3d0 [ 823.169439][ T4414] __device_attach_driver+0x1d1/0x290 [ 823.174848][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 823.180816][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 823.185659][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 823.190677][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 823.196650][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 823.201669][ T4414] __device_attach+0x228/0x4a0 [ 823.206428][ T4414] ? really_probe+0xde0/0xde0 [ 823.211089][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 823.216356][ T4414] bus_probe_device+0x1e4/0x290 [ 823.221187][ T4414] device_add+0xbb2/0x1ce0 [ 823.225584][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 823.230940][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 823.236044][ T4414] ? hub_disconnect+0x510/0x510 [ 823.240900][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 823.245836][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 823.251802][ T4414] hub_event+0x2348/0x42d0 [ 823.256215][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 823.261319][ T4414] ? __lock_acquire+0x820/0x54f0 [ 823.266307][ T4414] ? put_pwq+0xb1/0x1b0 [ 823.270447][ T4414] ? lock_release+0x6d0/0x6d0 [ 823.275119][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 823.279961][ T4414] ? do_raw_spin_lock+0x120/0x2b0 [ 823.284981][ T4414] process_one_work+0x933/0x1520 [ 823.289910][ T4414] ? lock_release+0x6d0/0x6d0 [ 823.294594][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 823.299958][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 823.304880][ T4414] worker_thread+0x64c/0x1120 [ 823.309536][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 823.314544][ T4414] ? process_one_work+0x1520/0x1520 executing program [ 823.319732][ T4414] kthread+0x38c/0x460 [ 823.323796][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 823.328976][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 823.334851][ T4414] ret_from_fork+0x1f/0x30 [ 823.341684][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected [ 823.361630][ T4410] usb 3-1: USB disconnect, device number 26 [ 823.397723][ T2619] usb 2-1: USB disconnect, device number 27 [ 823.433192][ T4414] usb 6-1: USB disconnect, device number 27 [ 823.500805][ T5592] usb 1-1: new high-speed USB device number 26 using dummy_hcd [ 823.500879][ T4806] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 823.517675][ T4806] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 823.525707][ T4806] usb 4-1: Product: syz [ 823.529906][ T4806] usb 4-1: Manufacturer: syz [ 823.534544][ T4806] usb 4-1: SerialNumber: syz [ 823.543612][ T4806] usb 4-1: config 0 descriptor?? [ 823.571040][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 823.580243][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 823.588400][ T30] usb 5-1: Product: syz [ 823.592800][ T30] usb 5-1: Manufacturer: syz [ 823.597396][ T30] usb 5-1: SerialNumber: syz [ 823.605064][ T30] usb 5-1: config 0 descriptor?? [ 823.801326][ T2619] usb 2-1: new high-speed USB device number 28 using dummy_hcd [ 823.809033][ T4410] usb 3-1: new high-speed USB device number 27 using dummy_hcd [ 823.816951][ T4806] hso 4-1:0.0: Failed to find BULK IN ep [ 823.824007][ T4806] usb-storage 4-1:0.0: USB Mass Storage device detected [ 823.831028][ T4414] usb 6-1: new high-speed USB device number 28 using dummy_hcd [ 823.861914][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 823.868706][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 824.002401][ T4501] usb 4-1: USB disconnect, device number 26 executing program [ 824.062956][ T30] usb 5-1: USB disconnect, device number 26 [ 824.101311][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 824.110399][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 824.118604][ T5592] usb 1-1: Product: syz [ 824.122839][ T5592] usb 1-1: Manufacturer: syz [ 824.127421][ T5592] usb 1-1: SerialNumber: syz [ 824.133855][ T5592] usb 1-1: config 0 descriptor?? [ 824.340852][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 824.349955][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 824.358035][ T2619] usb 2-1: Product: syz [ 824.362257][ T2619] usb 2-1: Manufacturer: syz [ 824.366958][ T2619] usb 2-1: SerialNumber: syz [ 824.371682][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 824.380807][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 824.388796][ T4410] usb 3-1: Product: syz [ 824.392022][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 824.393046][ T4410] usb 3-1: Manufacturer: syz [ 824.400766][ T4501] usb 4-1: new high-speed USB device number 27 using dummy_hcd [ 824.403256][ T4410] usb 3-1: SerialNumber: syz [ 824.414342][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 824.423577][ T2619] usb 2-1: config 0 descriptor?? [ 824.430641][ T4410] usb 3-1: config 0 descriptor?? [ 824.471351][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 824.480418][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 824.481094][ T30] usb 5-1: new high-speed USB device number 27 using dummy_hcd [ 824.488583][ T4414] usb 6-1: Product: syz [ 824.500163][ T4414] usb 6-1: Manufacturer: syz [ 824.504823][ T4414] usb 6-1: SerialNumber: syz [ 824.515734][ T4414] usb 6-1: config 0 descriptor?? executing program [ 824.592712][ T5592] usb 1-1: USB disconnect, device number 26 [ 824.682159][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 824.689520][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 824.702979][ T4410] hso 3-1:0.0: Failed to find BULK IN ep [ 824.712138][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 824.792016][ T4414] hso 6-1:0.0: Failed to find BULK IN ep [ 824.813456][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected executing program executing program [ 824.884604][ T4410] usb 2-1: USB disconnect, device number 28 [ 824.904654][ T2619] usb 3-1: USB disconnect, device number 27 [ 824.951137][ T5592] usb 1-1: new high-speed USB device number 27 using dummy_hcd executing program [ 824.992477][ T4414] usb 6-1: USB disconnect, device number 28 [ 825.050797][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 825.059900][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 825.060764][ T4501] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 825.068079][ T30] usb 5-1: Product: syz [ 825.077079][ T4501] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 825.077094][ T4501] usb 4-1: Product: syz [ 825.081248][ T30] usb 5-1: Manufacturer: syz [ 825.081266][ T30] usb 5-1: SerialNumber: syz [ 825.089220][ T4501] usb 4-1: Manufacturer: syz [ 825.106966][ T30] usb 5-1: config 0 descriptor?? [ 825.107180][ T4501] usb 4-1: SerialNumber: syz [ 825.138147][ T4501] usb 4-1: config 0 descriptor?? [ 825.290701][ T4410] usb 2-1: new high-speed USB device number 29 using dummy_hcd [ 825.340734][ T2619] usb 3-1: new high-speed USB device number 28 using dummy_hcd [ 825.371475][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 825.385408][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 825.402498][ T4501] hso 4-1:0.0: Failed to find BULK IN ep [ 825.410968][ T4414] usb 6-1: new high-speed USB device number 29 using dummy_hcd [ 825.419287][ T4501] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 825.572337][ T4806] usb 5-1: USB disconnect, device number 27 [ 825.582126][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 825.591284][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 825.599275][ T5592] usb 1-1: Product: syz [ 825.603559][ T5592] usb 1-1: Manufacturer: syz [ 825.608155][ T5592] usb 1-1: SerialNumber: syz [ 825.608691][ T30] usb 4-1: USB disconnect, device number 27 executing program [ 825.623606][ T5592] usb 1-1: config 0 descriptor?? [ 825.810736][ T4410] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 825.819877][ T4410] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 825.827998][ T4410] usb 2-1: Product: syz [ 825.832240][ T4410] usb 2-1: Manufacturer: syz [ 825.836829][ T4410] usb 2-1: SerialNumber: syz [ 825.843649][ T4410] usb 2-1: config 0 descriptor?? [ 825.880784][ T2619] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 825.889913][ T2619] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 825.898080][ T2619] usb 3-1: Product: syz [ 825.902337][ T2619] usb 3-1: Manufacturer: syz [ 825.906925][ T2619] usb 3-1: SerialNumber: syz [ 825.914739][ T2619] usb 3-1: config 0 descriptor?? [ 825.917718][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 825.937733][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 825.990773][ T4806] usb 5-1: new high-speed USB device number 28 using dummy_hcd [ 825.990847][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 826.007480][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 826.015512][ T4414] usb 6-1: Product: syz [ 826.019670][ T4414] usb 6-1: Manufacturer: syz [ 826.024299][ T4414] usb 6-1: SerialNumber: syz [ 826.051297][ T4414] usb 6-1: config 0 descriptor?? [ 826.064026][ T30] usb 4-1: new high-speed USB device number 28 using dummy_hcd executing program [ 826.091744][ T4410] hso 2-1:0.0: Failed to find BULK IN ep [ 826.106845][ T4410] usb-storage 2-1:0.0: USB Mass Storage device detected [ 826.113393][ T5592] usb 1-1: USB disconnect, device number 27 [ 826.171396][ T2619] hso 3-1:0.0: Failed to find BULK IN ep [ 826.178439][ T2619] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 826.292860][ T2619] usb 2-1: USB disconnect, device number 29 [ 826.331528][ T4414] hso 6-1:0.0: Failed to find BULK IN ep [ 826.339869][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 826.372364][ T4925] usb 3-1: USB disconnect, device number 28 [ 826.510702][ T5592] usb 1-1: new high-speed USB device number 28 using dummy_hcd [ 826.510808][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 826.527428][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 826.535529][ T4806] usb 5-1: Product: syz [ 826.539695][ T4806] usb 5-1: Manufacturer: syz [ 826.541161][ T4501] usb 6-1: USB disconnect, device number 29 [ 826.544351][ T4806] usb 5-1: SerialNumber: syz executing program [ 826.557888][ T4806] usb 5-1: config 0 descriptor?? [ 826.611200][ T30] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 826.620256][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 826.628302][ T30] usb 4-1: Product: syz [ 826.632524][ T30] usb 4-1: Manufacturer: syz [ 826.637112][ T30] usb 4-1: SerialNumber: syz [ 826.650785][ T2619] usb 2-1: new high-speed USB device number 30 using dummy_hcd [ 826.658916][ T30] usb 4-1: config 0 descriptor?? [ 826.820861][ T4925] usb 3-1: new high-speed USB device number 29 using dummy_hcd [ 826.821552][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 826.836228][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 826.921751][ T30] hso 4-1:0.0: Failed to find BULK IN ep [ 826.929817][ T30] usb-storage 4-1:0.0: USB Mass Storage device detected [ 826.960832][ T4501] usb 6-1: new high-speed USB device number 30 using dummy_hcd executing program [ 827.022572][ T30] usb 5-1: USB disconnect, device number 28 executing program [ 827.110795][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 827.119894][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 827.127980][ T5592] usb 1-1: Product: syz [ 827.132258][ T5592] usb 1-1: Manufacturer: syz [ 827.136855][ T5592] usb 1-1: SerialNumber: syz [ 827.139899][ T4806] usb 4-1: USB disconnect, device number 28 [ 827.168068][ T5592] usb 1-1: config 0 descriptor?? [ 827.170881][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 827.182170][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 827.190157][ T2619] usb 2-1: Product: syz [ 827.194365][ T2619] usb 2-1: Manufacturer: syz [ 827.198959][ T2619] usb 2-1: SerialNumber: syz [ 827.213513][ T2619] usb 2-1: config 0 descriptor?? [ 827.410574][ T30] usb 5-1: new high-speed USB device number 29 using dummy_hcd [ 827.421960][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 827.430212][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 827.441028][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 827.450103][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 827.458208][ T4925] usb 3-1: Product: syz [ 827.462532][ T4925] usb 3-1: Manufacturer: syz [ 827.467122][ T4925] usb 3-1: SerialNumber: syz [ 827.472500][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 827.473579][ T4925] usb 3-1: config 0 descriptor?? [ 827.485359][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 827.560822][ T4806] usb 4-1: new high-speed USB device number 29 using dummy_hcd [ 827.571088][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 827.580248][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 827.588322][ T4501] usb 6-1: Product: syz [ 827.592559][ T4501] usb 6-1: Manufacturer: syz [ 827.597236][ T4501] usb 6-1: SerialNumber: syz [ 827.604538][ T4501] usb 6-1: config 0 descriptor?? executing program [ 827.623817][ T5592] usb 1-1: USB disconnect, device number 28 executing program [ 827.672508][ T4492] usb 2-1: USB disconnect, device number 30 [ 827.731597][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 827.738796][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 827.871399][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 827.879270][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 827.930719][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 827.932861][ T4925] usb 3-1: USB disconnect, device number 29 [ 827.939812][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 827.953718][ T30] usb 5-1: Product: syz [ 827.957883][ T30] usb 5-1: Manufacturer: syz [ 827.962547][ T30] usb 5-1: SerialNumber: syz [ 827.974971][ T30] usb 5-1: config 0 descriptor?? executing program [ 828.060685][ T5592] usb 1-1: new high-speed USB device number 29 using dummy_hcd [ 828.072676][ T4501] usb 6-1: USB disconnect, device number 30 [ 828.100680][ T4806] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 828.109802][ T4806] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 828.117869][ T4806] usb 4-1: Product: syz [ 828.122117][ T4806] usb 4-1: Manufacturer: syz [ 828.126727][ T4806] usb 4-1: SerialNumber: syz [ 828.131491][ T4492] usb 2-1: new high-speed USB device number 31 using dummy_hcd [ 828.140303][ T4806] usb 4-1: config 0 descriptor?? [ 828.231532][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 828.238571][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 828.401305][ T4806] hso 4-1:0.0: Failed to find BULK IN ep [ 828.408603][ T4806] usb-storage 4-1:0.0: USB Mass Storage device detected [ 828.421603][ T4925] usb 3-1: new high-speed USB device number 30 using dummy_hcd [ 828.430650][ T4501] usb 6-1: new high-speed USB device number 31 using dummy_hcd [ 828.444315][ T4414] usb 5-1: USB disconnect, device number 29 executing program [ 828.602171][ T30] usb 4-1: USB disconnect, device number 29 [ 828.620951][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 828.630073][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 828.638201][ T5592] usb 1-1: Product: syz [ 828.642423][ T5592] usb 1-1: Manufacturer: syz [ 828.647028][ T5592] usb 1-1: SerialNumber: syz [ 828.650658][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 828.659443][ T5592] usb 1-1: config 0 descriptor?? [ 828.660890][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 828.660904][ T4492] usb 2-1: Product: syz [ 828.660917][ T4492] usb 2-1: Manufacturer: syz [ 828.660929][ T4492] usb 2-1: SerialNumber: syz [ 828.689446][ T4492] usb 2-1: config 0 descriptor?? [ 828.870484][ T4414] usb 5-1: new high-speed USB device number 30 using dummy_hcd [ 828.951236][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 828.958709][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 828.966325][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 828.976554][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 829.010489][ T30] usb 4-1: new high-speed USB device number 30 using dummy_hcd [ 829.040768][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 829.049919][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 829.058085][ T4925] usb 3-1: Product: syz [ 829.062370][ T4925] usb 3-1: Manufacturer: syz [ 829.066971][ T4925] usb 3-1: SerialNumber: syz [ 829.071977][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 829.081073][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 829.089052][ T4501] usb 6-1: Product: syz [ 829.093268][ T4501] usb 6-1: Manufacturer: syz [ 829.097855][ T4501] usb 6-1: SerialNumber: syz [ 829.105113][ T4501] usb 6-1: config 0 descriptor?? executing program [ 829.122619][ T4925] usb 3-1: config 0 descriptor?? executing program [ 829.169371][ T4806] usb 1-1: USB disconnect, device number 29 [ 829.176046][ T4492] usb 2-1: USB disconnect, device number 31 [ 829.371284][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 829.378843][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 829.387246][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 829.397429][ T4925] Workqueue: usb_hub_wq hub_event [ 829.402455][ T4925] Call Trace: [ 829.405764][ T4925] dump_stack+0x107/0x163 [ 829.410099][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 829.415028][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 829.420470][ T4925] sysfs_create_link+0x5f/0xc0 [ 829.425220][ T4925] device_add+0x79a/0x1ce0 [ 829.429620][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 829.435148][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 829.440503][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 829.445865][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 829.450810][ T4925] tty_register_device_attr+0x395/0x7b0 [ 829.456348][ T4925] ? put_tty_driver+0xa0/0xa0 [ 829.461009][ T4925] ? mark_held_locks+0x9f/0xe0 [ 829.465756][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 829.471717][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 829.477779][ T4925] hso_serial_common_create+0x124/0x8b0 [ 829.483330][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 829.488664][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 829.494463][ T4925] hso_probe+0xef9/0x1f70 [ 829.498812][ T4925] usb_probe_interface+0x315/0x7f0 [ 829.503916][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 829.509281][ T4925] really_probe+0x291/0xde0 [ 829.513780][ T4925] driver_probe_device+0x26b/0x3d0 [ 829.518893][ T4925] __device_attach_driver+0x1d1/0x290 [ 829.524267][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 829.530366][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 829.530505][ T30] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 829.535213][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 829.535229][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 829.535243][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 829.535258][ T4925] __device_attach+0x228/0x4a0 [ 829.535272][ T4925] ? really_probe+0xde0/0xde0 [ 829.535284][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 829.535303][ T4925] bus_probe_device+0x1e4/0x290 [ 829.544363][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 829.549316][ T4925] device_add+0xbb2/0x1ce0 [ 829.555336][ T30] usb 4-1: Product: syz [ 829.560395][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 829.560411][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 829.560427][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 829.560447][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 829.565196][ T30] usb 4-1: Manufacturer: syz [ 829.569852][ T4925] usb_set_configuration+0x113c/0x1910 [ 829.569872][ T4925] usb_generic_driver_probe+0xba/0x100 [ 829.575206][ T30] usb 4-1: SerialNumber: syz [ 829.579973][ T4925] usb_probe_device+0xd9/0x2c0 [ 829.588283][ T4492] usb 2-1: new high-speed USB device number 32 using dummy_hcd [ 829.592581][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 829.592596][ T4925] really_probe+0x291/0xde0 [ 829.592616][ T4925] driver_probe_device+0x26b/0x3d0 [ 829.596804][ T4806] usb 1-1: new high-speed USB device number 30 using dummy_hcd [ 829.602130][ T4925] __device_attach_driver+0x1d1/0x290 [ 829.602146][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 829.602157][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 829.602176][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 829.695370][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 829.701334][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 829.706345][ T4925] __device_attach+0x228/0x4a0 [ 829.711094][ T4925] ? really_probe+0xde0/0xde0 [ 829.715755][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 829.721023][ T4925] bus_probe_device+0x1e4/0x290 [ 829.725856][ T4925] device_add+0xbb2/0x1ce0 [ 829.730254][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 829.735612][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 829.740710][ T4925] ? hub_disconnect+0x510/0x510 [ 829.745545][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 829.750468][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 829.756432][ T4925] hub_event+0x2348/0x42d0 [ 829.760854][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 829.765952][ T4925] ? __lock_acquire+0x820/0x54f0 [ 829.770874][ T4925] ? put_pwq+0xb1/0x1b0 [ 829.775015][ T4925] ? lock_release+0x6d0/0x6d0 [ 829.779672][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 829.784508][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 829.789515][ T4925] process_one_work+0x933/0x1520 [ 829.794438][ T4925] ? lock_release+0x6d0/0x6d0 [ 829.799115][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 829.804471][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 829.809394][ T4925] worker_thread+0x64c/0x1120 [ 829.814056][ T4925] ? __kthread_parkme+0x118/0x1d0 executing program [ 829.819064][ T4925] ? process_one_work+0x1520/0x1520 [ 829.824252][ T4925] kthread+0x38c/0x460 [ 829.828306][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 829.833488][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 829.839363][ T4925] ret_from_fork+0x1f/0x30 [ 829.850863][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 829.856164][ T30] usb 4-1: config 0 descriptor?? [ 829.871715][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 829.930643][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 829.939704][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 829.947930][ T4414] usb 5-1: Product: syz [ 829.952132][ T4414] usb 5-1: Manufacturer: syz [ 829.956731][ T4414] usb 5-1: SerialNumber: syz [ 829.963811][ T4414] usb 5-1: config 0 descriptor?? [ 829.969001][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 829.979280][ T4501] usb 6-1: USB disconnect, device number 31 [ 830.040115][ T4925] usb 3-1: USB disconnect, device number 30 [ 830.131806][ T30] hso 4-1:0.0: Failed to find BULK IN ep [ 830.139183][ T30] usb-storage 4-1:0.0: USB Mass Storage device detected [ 830.231250][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 830.245138][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 830.337606][ T4414] usb 4-1: USB disconnect, device number 30 [ 830.360597][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 830.369759][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 830.371107][ T4501] usb 6-1: new high-speed USB device number 32 using dummy_hcd executing program [ 830.377963][ T4492] usb 2-1: Product: syz [ 830.389444][ T4492] usb 2-1: Manufacturer: syz [ 830.394155][ T4492] usb 2-1: SerialNumber: syz [ 830.398936][ T4806] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 830.408110][ T4806] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 830.416335][ T4806] usb 1-1: Product: syz [ 830.420544][ T4806] usb 1-1: Manufacturer: syz [ 830.425139][ T4806] usb 1-1: SerialNumber: syz [ 830.432226][ T4806] usb 1-1: config 0 descriptor?? [ 830.450532][ T4925] usb 3-1: new high-speed USB device number 31 using dummy_hcd [ 830.452213][ T4492] usb 2-1: config 0 descriptor?? [ 830.496093][ T30] usb 5-1: USB disconnect, device number 30 [ 830.691283][ T4806] hso 1-1:0.0: Failed to find BULK IN ep [ 830.698584][ T4806] usb-storage 1-1:0.0: USB Mass Storage device detected [ 830.720772][ T4414] usb 4-1: new high-speed USB device number 31 using dummy_hcd [ 830.751923][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 830.759307][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 830.860559][ T30] usb 5-1: new high-speed USB device number 31 using dummy_hcd [ 830.892090][ T5592] usb 1-1: USB disconnect, device number 30 executing program [ 830.953107][ T4492] usb 2-1: USB disconnect, device number 32 [ 830.980675][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 830.989818][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 830.997934][ T4501] usb 6-1: Product: syz [ 831.002206][ T4501] usb 6-1: Manufacturer: syz [ 831.006906][ T4501] usb 6-1: SerialNumber: syz [ 831.014115][ T4501] usb 6-1: config 0 descriptor?? [ 831.070903][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 831.079952][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 831.088031][ T4925] usb 3-1: Product: syz [ 831.092401][ T4925] usb 3-1: Manufacturer: syz [ 831.096990][ T4925] usb 3-1: SerialNumber: syz [ 831.104890][ T4925] usb 3-1: config 0 descriptor?? [ 831.291381][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 831.298996][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 831.310331][ T4492] usb 2-1: new high-speed USB device number 33 using dummy_hcd [ 831.340497][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 831.349580][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 831.357849][ T4414] usb 4-1: Product: syz [ 831.362125][ T4414] usb 4-1: Manufacturer: syz [ 831.366706][ T4414] usb 4-1: SerialNumber: syz [ 831.372323][ T5592] usb 1-1: new high-speed USB device number 31 using dummy_hcd [ 831.380837][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 831.381204][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 831.389875][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 831.403667][ T30] usb 5-1: Product: syz [ 831.407853][ T30] usb 5-1: Manufacturer: syz [ 831.411786][ T4414] usb 4-1: config 0 descriptor?? [ 831.412506][ T30] usb 5-1: SerialNumber: syz [ 831.418255][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 831.441651][ T30] usb 5-1: config 0 descriptor?? executing program [ 831.492415][ T4806] usb 6-1: USB disconnect, device number 32 executing program [ 831.573860][ T4410] usb 3-1: USB disconnect, device number 31 [ 831.661297][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 831.668449][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 831.701353][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 831.708217][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 831.840397][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 831.849500][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 831.857559][ T4492] usb 2-1: Product: syz [ 831.861807][ T4492] usb 2-1: Manufacturer: syz [ 831.864215][ T4414] usb 4-1: USB disconnect, device number 31 [ 831.866397][ T4492] usb 2-1: SerialNumber: syz [ 831.878003][ T4492] usb 2-1: config 0 descriptor?? executing program [ 831.900719][ T4806] usb 6-1: new high-speed USB device number 33 using dummy_hcd [ 831.903163][ T4925] usb 5-1: USB disconnect, device number 31 [ 831.940898][ T5592] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 831.949959][ T5592] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 831.958018][ T5592] usb 1-1: Product: syz [ 831.962230][ T5592] usb 1-1: Manufacturer: syz [ 831.966834][ T5592] usb 1-1: SerialNumber: syz [ 831.980479][ T4410] usb 3-1: new high-speed USB device number 32 using dummy_hcd [ 831.995265][ T5592] usb 1-1: config 0 descriptor?? [ 832.141141][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 832.151378][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 832.271666][ T5592] hso 1-1:0.0: Failed to find BULK IN ep [ 832.279029][ T5592] usb-storage 1-1:0.0: USB Mass Storage device detected [ 832.290441][ T4414] usb 4-1: new high-speed USB device number 32 using dummy_hcd executing program [ 832.320435][ T4925] usb 5-1: new high-speed USB device number 32 using dummy_hcd [ 832.342759][ T5592] usb 2-1: USB disconnect, device number 33 [ 832.420516][ T4806] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 832.429675][ T4806] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 832.437729][ T4806] usb 6-1: Product: syz [ 832.442009][ T4806] usb 6-1: Manufacturer: syz [ 832.447005][ T4806] usb 6-1: SerialNumber: syz [ 832.453864][ T4806] usb 6-1: config 0 descriptor?? executing program [ 832.475823][ T4501] usb 1-1: USB disconnect, device number 31 [ 832.530456][ T4410] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 832.539564][ T4410] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 832.547673][ T4410] usb 3-1: Product: syz [ 832.551918][ T4410] usb 3-1: Manufacturer: syz [ 832.556493][ T4410] usb 3-1: SerialNumber: syz [ 832.565924][ T4410] usb 3-1: config 0 descriptor?? [ 832.711049][ T4806] hso 6-1:0.0: Failed to find BULK IN ep [ 832.718245][ T4806] usb-storage 6-1:0.0: USB Mass Storage device detected [ 832.770525][ T5592] usb 2-1: new high-speed USB device number 34 using dummy_hcd [ 832.841071][ T4410] hso 3-1:0.0: Failed to find BULK IN ep [ 832.848385][ T4410] usb-storage 3-1:0.0: USB Mass Storage device detected [ 832.910800][ T4501] usb 1-1: new high-speed USB device number 32 using dummy_hcd [ 832.917489][ T4410] usb 6-1: USB disconnect, device number 33 [ 832.918766][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 832.933522][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 832.941561][ T4414] usb 4-1: Product: syz [ 832.945728][ T4414] usb 4-1: Manufacturer: syz [ 832.950369][ T4414] usb 4-1: SerialNumber: syz executing program [ 832.955132][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 832.964234][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 832.972302][ T4925] usb 5-1: Product: syz [ 832.976471][ T4925] usb 5-1: Manufacturer: syz [ 832.981124][ T4925] usb 5-1: SerialNumber: syz [ 832.989345][ T4925] usb 5-1: config 0 descriptor?? [ 832.996256][ T4414] usb 4-1: config 0 descriptor?? executing program [ 833.043037][ T4806] usb 3-1: USB disconnect, device number 32 [ 833.261082][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 833.268634][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 833.277038][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 833.287087][ T4414] Workqueue: usb_hub_wq hub_event [ 833.292095][ T4414] Call Trace: [ 833.295369][ T4414] dump_stack+0x107/0x163 [ 833.299693][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 833.304648][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 833.310089][ T4414] sysfs_create_link+0x5f/0xc0 [ 833.314840][ T4414] device_add+0x79a/0x1ce0 [ 833.319241][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 833.324767][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 833.330123][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 833.330203][ T4410] usb 6-1: new high-speed USB device number 34 using dummy_hcd [ 833.335487][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 833.335504][ T4414] tty_register_device_attr+0x395/0x7b0 [ 833.335519][ T4414] ? put_tty_driver+0xa0/0xa0 [ 833.335533][ T4414] ? mark_held_locks+0x9f/0xe0 [ 833.335548][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 833.335560][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 833.335581][ T4414] hso_serial_common_create+0x124/0x8b0 [ 833.380568][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 833.385840][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 833.391633][ T4414] hso_probe+0xef9/0x1f70 [ 833.395946][ T4414] usb_probe_interface+0x315/0x7f0 [ 833.401050][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 833.406425][ T4414] really_probe+0x291/0xde0 [ 833.410918][ T4414] driver_probe_device+0x26b/0x3d0 [ 833.416009][ T4414] __device_attach_driver+0x1d1/0x290 [ 833.421362][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 833.427329][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 833.432182][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 833.437204][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 833.443175][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 833.448183][ T4414] __device_attach+0x228/0x4a0 [ 833.452930][ T4414] ? really_probe+0xde0/0xde0 [ 833.457586][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 833.460401][ T4806] usb 3-1: new high-speed USB device number 33 using dummy_hcd [ 833.462858][ T4414] bus_probe_device+0x1e4/0x290 [ 833.462872][ T4414] device_add+0xbb2/0x1ce0 [ 833.462887][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 833.462903][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 833.462920][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 833.462940][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 833.501817][ T4414] usb_set_configuration+0x113c/0x1910 [ 833.507297][ T4414] usb_generic_driver_probe+0xba/0x100 [ 833.512762][ T4414] usb_probe_device+0xd9/0x2c0 [ 833.517526][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 833.523583][ T4414] really_probe+0x291/0xde0 [ 833.528078][ T4414] driver_probe_device+0x26b/0x3d0 [ 833.533178][ T4414] __device_attach_driver+0x1d1/0x290 [ 833.538537][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 833.544503][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 833.549339][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 833.554360][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 833.560326][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 833.565335][ T4414] __device_attach+0x228/0x4a0 [ 833.570099][ T4414] ? really_probe+0xde0/0xde0 [ 833.574793][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 833.580065][ T4414] bus_probe_device+0x1e4/0x290 [ 833.584913][ T4414] device_add+0xbb2/0x1ce0 [ 833.589341][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 833.594749][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 833.599854][ T4414] ? hub_disconnect+0x510/0x510 [ 833.604689][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 833.609613][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 833.615603][ T4414] hub_event+0x2348/0x42d0 [ 833.620006][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 833.625099][ T4414] ? __lock_acquire+0x820/0x54f0 [ 833.630023][ T4414] ? put_pwq+0xb1/0x1b0 [ 833.634167][ T4414] ? lock_release+0x6d0/0x6d0 [ 833.638827][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 833.643664][ T4414] ? do_raw_spin_lock+0x120/0x2b0 [ 833.648674][ T4414] process_one_work+0x933/0x1520 [ 833.653595][ T4414] ? lock_release+0x6d0/0x6d0 executing program [ 833.658259][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 833.663614][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 833.668537][ T4414] worker_thread+0x64c/0x1120 [ 833.673199][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 833.678208][ T4414] ? process_one_work+0x1520/0x1520 [ 833.683411][ T4414] kthread+0x38c/0x460 [ 833.687479][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 833.692679][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 833.698555][ T4414] ret_from_fork+0x1f/0x30 [ 833.703764][ T4925] hso 5-1:0.0: Failed to find BULK IN ep executing program [ 833.716637][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 833.741991][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 833.797228][ T4925] usb 5-1: USB disconnect, device number 32 [ 833.828912][ T4414] usb 4-1: USB disconnect, device number 32 [ 833.880550][ T5592] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 833.889605][ T5592] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 833.897823][ T5592] usb 2-1: Product: syz [ 833.902050][ T5592] usb 2-1: Manufacturer: syz [ 833.906645][ T5592] usb 2-1: SerialNumber: syz [ 833.913534][ T5592] usb 2-1: config 0 descriptor?? [ 834.030447][ T4410] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 834.039724][ T4410] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 834.047948][ T4410] usb 6-1: Product: syz [ 834.052220][ T4410] usb 6-1: Manufacturer: syz [ 834.056806][ T4410] usb 6-1: SerialNumber: syz [ 834.060284][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 834.070597][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 834.078753][ T4501] usb 1-1: Product: syz [ 834.081692][ T4410] usb 6-1: config 0 descriptor?? [ 834.083185][ T4501] usb 1-1: Manufacturer: syz [ 834.092686][ T4501] usb 1-1: SerialNumber: syz [ 834.116081][ T4501] usb 1-1: config 0 descriptor?? [ 834.180835][ T4925] usb 5-1: new high-speed USB device number 33 using dummy_hcd [ 834.189227][ T5592] hso 2-1:0.0: Failed to find BULK IN ep [ 834.200681][ T5592] usb-storage 2-1:0.0: USB Mass Storage device detected [ 834.250302][ T4414] usb 4-1: new high-speed USB device number 33 using dummy_hcd [ 834.261497][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 834.270671][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 834.278666][ T4806] usb 3-1: Product: syz [ 834.283082][ T4806] usb 3-1: Manufacturer: syz [ 834.287727][ T4806] usb 3-1: SerialNumber: syz [ 834.294074][ T4806] usb 3-1: config 0 descriptor?? executing program [ 834.341378][ T4410] hso 6-1:0.0: Failed to find BULK IN ep [ 834.348668][ T4410] usb-storage 6-1:0.0: USB Mass Storage device detected [ 834.386795][ T5592] usb 2-1: USB disconnect, device number 34 [ 834.394196][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 834.413857][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 834.541717][ T4492] usb 6-1: USB disconnect, device number 34 [ 834.552875][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 834.561634][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 834.595363][ T4501] usb 1-1: USB disconnect, device number 32 executing program [ 834.751780][ T4806] usb 3-1: USB disconnect, device number 33 [ 834.790464][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 834.799556][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 834.807633][ T4925] usb 5-1: Product: syz [ 834.811986][ T4925] usb 5-1: Manufacturer: syz [ 834.816564][ T4925] usb 5-1: SerialNumber: syz [ 834.821406][ T5592] usb 2-1: new high-speed USB device number 35 using dummy_hcd [ 834.831015][ T4925] usb 5-1: config 0 descriptor?? [ 834.871251][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 834.880384][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 834.888379][ T4414] usb 4-1: Product: syz [ 834.892610][ T4414] usb 4-1: Manufacturer: syz [ 834.897207][ T4414] usb 4-1: SerialNumber: syz [ 834.904507][ T4414] usb 4-1: config 0 descriptor?? [ 834.950127][ T4492] usb 6-1: new high-speed USB device number 35 using dummy_hcd [ 834.980205][ T4501] usb 1-1: new high-speed USB device number 33 using dummy_hcd [ 835.080890][ T4925] hso 5-1:0.0: Failed to find BULK IN ep [ 835.088833][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 835.111323][ T4806] usb 3-1: new high-speed USB device number 34 using dummy_hcd [ 835.170948][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 835.179138][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 835.281725][ T30] usb 5-1: USB disconnect, device number 33 executing program [ 835.371652][ T4410] usb 4-1: USB disconnect, device number 33 [ 835.440267][ T5592] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 835.449432][ T5592] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 835.457832][ T5592] usb 2-1: Product: syz [ 835.462227][ T5592] usb 2-1: Manufacturer: syz [ 835.467040][ T5592] usb 2-1: SerialNumber: syz [ 835.470275][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 835.480804][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 835.481024][ T5592] usb 2-1: config 0 descriptor?? [ 835.488774][ T4492] usb 6-1: Product: syz [ 835.488787][ T4492] usb 6-1: Manufacturer: syz [ 835.488800][ T4492] usb 6-1: SerialNumber: syz [ 835.495831][ T4492] usb 6-1: config 0 descriptor?? [ 835.600281][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 835.609477][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 835.617756][ T4501] usb 1-1: Product: syz [ 835.621974][ T4501] usb 1-1: Manufacturer: syz [ 835.626551][ T4501] usb 1-1: SerialNumber: syz [ 835.630214][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 835.640577][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 835.648556][ T4806] usb 3-1: Product: syz [ 835.649557][ T4501] usb 1-1: config 0 descriptor?? [ 835.652762][ T4806] usb 3-1: Manufacturer: syz [ 835.652775][ T4806] usb 3-1: SerialNumber: syz [ 835.675208][ T4806] usb 3-1: config 0 descriptor?? [ 835.690543][ T30] usb 5-1: new high-speed USB device number 34 using dummy_hcd [ 835.771129][ T4492] hso 6-1:0.0: Failed to find BULK IN ep [ 835.778501][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected [ 835.781420][ T5592] hso 2-1:0.0: Failed to find BULK IN ep [ 835.800187][ T4410] usb 4-1: new high-speed USB device number 34 using dummy_hcd [ 835.802290][ T5592] usb-storage 2-1:0.0: USB Mass Storage device detected [ 835.931445][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 835.939165][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 835.942505][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 835.954619][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 835.972420][ T2619] usb 6-1: USB disconnect, device number 35 executing program executing program [ 835.983127][ T4925] usb 2-1: USB disconnect, device number 35 executing program executing program [ 836.131739][ T4492] usb 1-1: USB disconnect, device number 33 [ 836.143583][ T4806] usb 3-1: USB disconnect, device number 34 [ 836.210200][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 836.219292][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 836.227674][ T30] usb 5-1: Product: syz [ 836.231896][ T30] usb 5-1: Manufacturer: syz [ 836.236486][ T30] usb 5-1: SerialNumber: syz [ 836.243915][ T30] usb 5-1: config 0 descriptor?? [ 836.360150][ T4410] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 836.369243][ T4410] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 836.377313][ T4410] usb 4-1: Product: syz [ 836.381562][ T4410] usb 4-1: Manufacturer: syz [ 836.386137][ T4410] usb 4-1: SerialNumber: syz [ 836.391037][ T2619] usb 6-1: new high-speed USB device number 36 using dummy_hcd [ 836.400679][ T4410] usb 4-1: config 0 descriptor?? [ 836.440123][ T4925] usb 2-1: new high-speed USB device number 36 using dummy_hcd [ 836.500949][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 836.509079][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 836.540062][ T4492] usb 1-1: new high-speed USB device number 34 using dummy_hcd [ 836.550525][ T4806] usb 3-1: new high-speed USB device number 35 using dummy_hcd [ 836.660949][ T4410] hso 4-1:0.0: Failed to find BULK IN ep [ 836.668409][ T4410] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 836.701242][ T30] usb 5-1: USB disconnect, device number 34 executing program [ 836.861451][ T5592] usb 4-1: USB disconnect, device number 34 [ 836.910248][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 836.919351][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 836.927762][ T2619] usb 6-1: Product: syz [ 836.932025][ T2619] usb 6-1: Manufacturer: syz [ 836.936616][ T2619] usb 6-1: SerialNumber: syz [ 836.943591][ T2619] usb 6-1: config 0 descriptor?? [ 837.060114][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 837.069206][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 837.077464][ T4492] usb 1-1: Product: syz [ 837.081800][ T4492] usb 1-1: Manufacturer: syz [ 837.086388][ T4492] usb 1-1: SerialNumber: syz [ 837.090145][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 837.091106][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 837.100088][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 837.100103][ T4925] usb 2-1: Product: syz [ 837.109189][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 837.117161][ T4925] usb 2-1: Manufacturer: syz [ 837.117177][ T4925] usb 2-1: SerialNumber: syz [ 837.121571][ T4925] usb 2-1: config 0 descriptor?? [ 837.129381][ T4806] usb 3-1: Product: syz [ 837.147701][ T4806] usb 3-1: Manufacturer: syz [ 837.152461][ T4806] usb 3-1: SerialNumber: syz [ 837.157309][ T30] usb 5-1: new high-speed USB device number 35 using dummy_hcd [ 837.167561][ T4492] usb 1-1: config 0 descriptor?? [ 837.174412][ T4806] usb 3-1: config 0 descriptor?? [ 837.201433][ T2619] hso 6-1:0.0: Failed to find BULK IN ep [ 837.212009][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 837.322135][ T5592] usb 4-1: new high-speed USB device number 35 using dummy_hcd executing program [ 837.390845][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 837.398321][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 837.417913][ T4501] usb 6-1: USB disconnect, device number 36 [ 837.431292][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 837.440861][ T4806] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 837.448346][ T4806] CPU: 1 PID: 4806 Comm: kworker/1:8 Not tainted 5.10.0-rc7-syzkaller #0 [ 837.457021][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 837.467096][ T4806] Workqueue: usb_hub_wq hub_event [ 837.472136][ T4806] Call Trace: [ 837.475438][ T4806] dump_stack+0x107/0x163 [ 837.479779][ T4806] sysfs_warn_dup.cold+0x1c/0x29 [ 837.484769][ T4806] sysfs_do_create_link_sd+0x11e/0x140 [ 837.490234][ T4806] sysfs_create_link+0x5f/0xc0 [ 837.494996][ T4806] device_add+0x79a/0x1ce0 [ 837.499408][ T4806] ? lockdep_init_map_waits+0x26a/0x700 [ 837.504967][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 837.510394][ T4806] ? __init_waitqueue_head+0x97/0x110 [ 837.515755][ T4806] ? pm_runtime_init+0x2cf/0x3b0 [ 837.520689][ T4806] tty_register_device_attr+0x395/0x7b0 [ 837.526239][ T4806] ? put_tty_driver+0xa0/0xa0 [ 837.530908][ T4806] ? mark_held_locks+0x9f/0xe0 [ 837.535652][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 837.541611][ T4806] ? tty_port_register_device_attr+0xbc/0x110 [ 837.547659][ T4806] hso_serial_common_create+0x124/0x8b0 [ 837.553189][ T4806] ? kasan_unpoison_shadow+0x33/0x40 [ 837.558476][ T4806] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 837.564281][ T4806] hso_probe+0xef9/0x1f70 [ 837.568600][ T4806] usb_probe_interface+0x315/0x7f0 [ 837.573696][ T4806] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 837.579053][ T4806] really_probe+0x291/0xde0 [ 837.583538][ T4806] driver_probe_device+0x26b/0x3d0 [ 837.588632][ T4806] __device_attach_driver+0x1d1/0x290 [ 837.593998][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 837.600034][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 837.604893][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 837.609916][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 837.615883][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 837.620894][ T4806] __device_attach+0x228/0x4a0 [ 837.625643][ T4806] ? really_probe+0xde0/0xde0 [ 837.630303][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 837.635589][ T4806] bus_probe_device+0x1e4/0x290 executing program [ 837.640447][ T4806] device_add+0xbb2/0x1ce0 [ 837.644872][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 837.650253][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 837.656301][ T4806] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 837.662113][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 837.667318][ T4806] usb_set_configuration+0x113c/0x1910 [ 837.672761][ T4806] usb_generic_driver_probe+0xba/0x100 [ 837.678201][ T4806] usb_probe_device+0xd9/0x2c0 [ 837.682949][ T4806] ? usb_driver_release_interface+0x180/0x180 [ 837.688996][ T4806] really_probe+0x291/0xde0 [ 837.693483][ T4806] driver_probe_device+0x26b/0x3d0 [ 837.698586][ T4806] __device_attach_driver+0x1d1/0x290 [ 837.703949][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 837.709912][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 837.714742][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 837.719746][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 837.725716][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 837.730731][ T4806] __device_attach+0x228/0x4a0 [ 837.735474][ T4806] ? really_probe+0xde0/0xde0 [ 837.740137][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 837.745451][ T4806] bus_probe_device+0x1e4/0x290 [ 837.750282][ T4806] device_add+0xbb2/0x1ce0 [ 837.754679][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 837.760040][ T4806] usb_new_device.cold+0x71d/0xfe9 [ 837.765138][ T4806] ? hub_disconnect+0x510/0x510 [ 837.769969][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 837.774886][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 837.780853][ T4806] hub_event+0x2348/0x42d0 [ 837.785274][ T4806] ? hub_port_debounce+0x3b0/0x3b0 [ 837.790374][ T4806] ? __lock_acquire+0x820/0x54f0 [ 837.795292][ T4806] ? put_pwq+0xb1/0x1b0 [ 837.799426][ T4806] ? lock_release+0x6d0/0x6d0 [ 837.804100][ T4806] ? lock_downgrade+0x6d0/0x6d0 [ 837.808946][ T4806] ? do_raw_spin_lock+0x120/0x2b0 [ 837.813959][ T4806] process_one_work+0x933/0x1520 [ 837.818878][ T4806] ? lock_release+0x6d0/0x6d0 [ 837.823545][ T4806] ? pwq_dec_nr_in_flight+0x320/0x320 [ 837.828900][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 837.839904][ T4806] worker_thread+0x64c/0x1120 [ 837.844573][ T4806] ? __kthread_parkme+0x118/0x1d0 [ 837.849609][ T4806] ? process_one_work+0x1520/0x1520 [ 837.854785][ T4806] kthread+0x38c/0x460 [ 837.858857][ T4806] ? _raw_spin_unlock_irq+0x1f/0x30 [ 837.864048][ T4806] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 837.869929][ T4806] ret_from_fork+0x1f/0x30 [ 837.877880][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected executing program executing program [ 837.887510][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 837.904762][ T4925] usb 2-1: USB disconnect, device number 36 [ 837.927134][ T4492] usb 1-1: USB disconnect, device number 34 [ 838.001951][ T4806] usb 3-1: USB disconnect, device number 35 [ 838.110013][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.119115][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.127190][ T30] usb 5-1: Product: syz [ 838.131408][ T30] usb 5-1: Manufacturer: syz [ 838.135989][ T30] usb 5-1: SerialNumber: syz [ 838.146659][ T30] usb 5-1: config 0 descriptor?? [ 838.180183][ T4501] usb 6-1: new high-speed USB device number 37 using dummy_hcd [ 838.270032][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.279086][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.287161][ T5592] usb 4-1: Product: syz [ 838.290235][ T4492] usb 1-1: new high-speed USB device number 35 using dummy_hcd [ 838.291362][ T5592] usb 4-1: Manufacturer: syz [ 838.303485][ T5592] usb 4-1: SerialNumber: syz [ 838.310044][ T5592] usb 4-1: config 0 descriptor?? [ 838.320240][ T4925] usb 2-1: new high-speed USB device number 37 using dummy_hcd [ 838.390093][ T4806] usb 3-1: new high-speed USB device number 36 using dummy_hcd [ 838.411616][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 838.418585][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 838.561000][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 838.568237][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 838.611615][ T4414] usb 5-1: USB disconnect, device number 35 executing program [ 838.740193][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.749294][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.757348][ T4501] usb 6-1: Product: syz [ 838.761358][ T30] usb 4-1: USB disconnect, device number 35 [ 838.761595][ T4501] usb 6-1: Manufacturer: syz [ 838.772001][ T4501] usb 6-1: SerialNumber: syz [ 838.782382][ T4501] usb 6-1: config 0 descriptor?? [ 838.810981][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.820085][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.828070][ T4492] usb 1-1: Product: syz [ 838.832305][ T4492] usb 1-1: Manufacturer: syz [ 838.837043][ T4492] usb 1-1: SerialNumber: syz [ 838.854278][ T4492] usb 1-1: config 0 descriptor?? [ 838.910193][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.919494][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.920108][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 838.927531][ T4925] usb 2-1: Product: syz [ 838.936624][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 838.940780][ T4925] usb 2-1: Manufacturer: syz [ 838.940792][ T4925] usb 2-1: SerialNumber: syz [ 838.943238][ T4925] usb 2-1: config 0 descriptor?? [ 838.948788][ T4806] usb 3-1: Product: syz [ 838.967419][ T4806] usb 3-1: Manufacturer: syz [ 838.972336][ T4806] usb 3-1: SerialNumber: syz [ 838.995497][ T4806] usb 3-1: config 0 descriptor?? [ 839.050697][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 839.061132][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 839.100056][ T4414] usb 5-1: new high-speed USB device number 36 using dummy_hcd [ 839.122596][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 839.130869][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 839.169897][ T30] usb 4-1: new high-speed USB device number 36 using dummy_hcd executing program [ 839.231291][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 839.238588][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 839.256093][ T4501] usb 6-1: USB disconnect, device number 37 [ 839.260905][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 839.273555][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 839.322609][ T4492] usb 1-1: USB disconnect, device number 35 executing program executing program [ 839.432120][ T4806] usb 2-1: USB disconnect, device number 37 [ 839.464499][ T2619] usb 3-1: USB disconnect, device number 36 [ 839.649890][ T4501] usb 6-1: new high-speed USB device number 38 using dummy_hcd [ 839.689936][ T30] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 839.699071][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 839.707188][ T30] usb 4-1: Product: syz [ 839.710083][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 839.711419][ T30] usb 4-1: Manufacturer: syz [ 839.720460][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 839.720476][ T4414] usb 5-1: Product: syz [ 839.725045][ T30] usb 4-1: SerialNumber: syz [ 839.733043][ T4414] usb 5-1: Manufacturer: syz [ 839.740227][ T4492] usb 1-1: new high-speed USB device number 36 using dummy_hcd [ 839.741773][ T4414] usb 5-1: SerialNumber: syz [ 839.761279][ T4414] usb 5-1: config 0 descriptor?? [ 839.768881][ T30] usb 4-1: config 0 descriptor?? [ 839.889838][ T4806] usb 2-1: new high-speed USB device number 38 using dummy_hcd [ 839.897575][ T2619] usb 3-1: new high-speed USB device number 37 using dummy_hcd [ 840.021015][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 840.028119][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 840.042310][ T30] hso 4-1:0.0: Failed to find BULK IN ep [ 840.051032][ T30] usb-storage 4-1:0.0: USB Mass Storage device detected executing program executing program [ 840.221332][ T4414] usb 5-1: USB disconnect, device number 36 [ 840.245329][ T5592] usb 4-1: USB disconnect, device number 36 [ 840.260805][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 840.269921][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 840.277911][ T4492] usb 1-1: Product: syz [ 840.282443][ T4492] usb 1-1: Manufacturer: syz [ 840.287057][ T4492] usb 1-1: SerialNumber: syz [ 840.307689][ T4492] usb 1-1: config 0 descriptor?? [ 840.320253][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 840.329629][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 840.338015][ T4501] usb 6-1: Product: syz [ 840.342238][ T4501] usb 6-1: Manufacturer: syz [ 840.346819][ T4501] usb 6-1: SerialNumber: syz [ 840.354457][ T4501] usb 6-1: config 0 descriptor?? [ 840.420210][ T4806] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 840.429272][ T4806] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 840.437576][ T4806] usb 2-1: Product: syz [ 840.441793][ T4806] usb 2-1: Manufacturer: syz [ 840.446375][ T4806] usb 2-1: SerialNumber: syz [ 840.451072][ T2619] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 840.460158][ T2619] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 840.468267][ T2619] usb 3-1: Product: syz [ 840.472507][ T2619] usb 3-1: Manufacturer: syz [ 840.477101][ T2619] usb 3-1: SerialNumber: syz [ 840.484879][ T4806] usb 2-1: config 0 descriptor?? [ 840.491262][ T2619] usb 3-1: config 0 descriptor?? [ 840.561090][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 840.568474][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 840.630984][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 840.645172][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 840.679898][ T4414] usb 5-1: new high-speed USB device number 37 using dummy_hcd [ 840.687592][ T5592] usb 4-1: new high-speed USB device number 37 using dummy_hcd executing program [ 840.750900][ T2619] hso 3-1:0.0: Failed to find BULK IN ep [ 840.757998][ T2619] usb-storage 3-1:0.0: USB Mass Storage device detected [ 840.774689][ T4806] hso 2-1:0.0: Failed to find BULK IN ep [ 840.783866][ T4806] usb-storage 2-1:0.0: USB Mass Storage device detected [ 840.799517][ T4492] usb 1-1: USB disconnect, device number 36 executing program [ 840.832797][ T4501] usb 6-1: USB disconnect, device number 38 executing program executing program [ 840.951736][ T5121] usb 3-1: USB disconnect, device number 37 [ 840.974018][ T2619] usb 2-1: USB disconnect, device number 38 [ 841.159751][ T4492] usb 1-1: new high-speed USB device number 37 using dummy_hcd [ 841.270012][ T4501] usb 6-1: new high-speed USB device number 39 using dummy_hcd [ 841.299987][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 841.309067][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 841.317157][ T5592] usb 4-1: Product: syz [ 841.321773][ T5592] usb 4-1: Manufacturer: syz [ 841.326377][ T5592] usb 4-1: SerialNumber: syz [ 841.331111][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 841.339760][ T2619] usb 2-1: new high-speed USB device number 39 using dummy_hcd [ 841.340218][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 841.355724][ T4414] usb 5-1: Product: syz [ 841.359941][ T4414] usb 5-1: Manufacturer: syz [ 841.364523][ T4414] usb 5-1: SerialNumber: syz [ 841.369128][ T5121] usb 3-1: new high-speed USB device number 38 using dummy_hcd [ 841.378588][ T5592] usb 4-1: config 0 descriptor?? [ 841.385879][ T4414] usb 5-1: config 0 descriptor?? [ 841.640622][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 841.648152][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 841.656644][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 841.666820][ T4414] Workqueue: usb_hub_wq hub_event [ 841.671830][ T4414] Call Trace: [ 841.675103][ T4414] dump_stack+0x107/0x163 [ 841.679414][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 841.679790][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 841.684356][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 841.684372][ T4414] sysfs_create_link+0x5f/0xc0 [ 841.684386][ T4414] device_add+0x79a/0x1ce0 [ 841.684403][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 841.684416][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 841.684437][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 841.693512][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 841.698875][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 841.703673][ T4492] usb 1-1: Product: syz [ 841.708093][ T4414] tty_register_device_attr+0x395/0x7b0 [ 841.708112][ T4414] ? put_tty_driver+0xa0/0xa0 [ 841.713668][ T4492] usb 1-1: Manufacturer: syz [ 841.719079][ T4414] ? mark_held_locks+0x9f/0xe0 [ 841.719098][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 841.724464][ T4492] usb 1-1: SerialNumber: syz [ 841.732391][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 841.732409][ T4414] hso_serial_common_create+0x124/0x8b0 [ 841.732425][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 841.732445][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 841.739582][ T4492] usb 1-1: config 0 descriptor?? [ 841.741494][ T4414] hso_probe+0xef9/0x1f70 [ 841.741510][ T4414] usb_probe_interface+0x315/0x7f0 [ 841.741525][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 841.741540][ T4414] really_probe+0x291/0xde0 [ 841.741556][ T4414] driver_probe_device+0x26b/0x3d0 [ 841.741571][ T4414] __device_attach_driver+0x1d1/0x290 [ 841.741585][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 841.741604][ T4414] bus_for_each_drv+0x15f/0x1e0 executing program executing program [ 841.840478][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 841.845513][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 841.851501][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 841.856537][ T4414] __device_attach+0x228/0x4a0 [ 841.861311][ T4414] ? really_probe+0xde0/0xde0 [ 841.866001][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 841.871292][ T4414] bus_probe_device+0x1e4/0x290 [ 841.876150][ T4414] device_add+0xbb2/0x1ce0 [ 841.880573][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 841.885953][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 841.891942][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 841.897750][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 841.902778][ T4414] usb_set_configuration+0x113c/0x1910 [ 841.908244][ T4414] usb_generic_driver_probe+0xba/0x100 [ 841.913717][ T4414] usb_probe_device+0xd9/0x2c0 [ 841.918488][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 841.923084][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 841.924553][ T4414] really_probe+0x291/0xde0 [ 841.924569][ T4414] driver_probe_device+0x26b/0x3d0 [ 841.924585][ T4414] __device_attach_driver+0x1d1/0x290 [ 841.924601][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 841.924614][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 841.924633][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 841.933684][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 841.938113][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 841.938131][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 841.943305][ T2619] usb 2-1: Product: syz [ 841.948556][ T4414] __device_attach+0x228/0x4a0 [ 841.948576][ T4414] ? really_probe+0xde0/0xde0 [ 841.954551][ T2619] usb 2-1: Manufacturer: syz [ 841.959355][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 841.959374][ T4414] bus_probe_device+0x1e4/0x290 [ 841.964411][ T2619] usb 2-1: SerialNumber: syz [ 841.972321][ T4414] device_add+0xbb2/0x1ce0 [ 841.972335][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 841.972350][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 841.972369][ T4414] ? hub_disconnect+0x510/0x510 [ 842.000736][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 842.001834][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 842.048432][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.054397][ T4414] hub_event+0x2348/0x42d0 [ 842.058813][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 842.063910][ T4414] ? __lock_acquire+0x820/0x54f0 [ 842.068837][ T4414] ? put_pwq+0xb1/0x1b0 [ 842.072978][ T4414] ? lock_release+0x6d0/0x6d0 [ 842.082849][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 842.087689][ T4414] process_one_work+0x933/0x1520 [ 842.092625][ T4414] ? lock_release+0x6d0/0x6d0 [ 842.097289][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 842.102657][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 842.107579][ T4414] worker_thread+0x64c/0x1120 [ 842.112242][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 842.117251][ T4414] ? process_one_work+0x1520/0x1520 [ 842.122446][ T4414] kthread+0x38c/0x460 [ 842.126509][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 842.131697][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 842.137573][ T4414] ret_from_fork+0x1f/0x30 [ 842.141994][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 842.142964][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 842.150419][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 842.150438][ T4492] Workqueue: usb_hub_wq hub_event [ 842.150451][ T4492] Call Trace: [ 842.150468][ T4492] dump_stack+0x107/0x163 [ 842.150482][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 842.150497][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 842.150517][ T4492] sysfs_create_link+0x5f/0xc0 [ 842.194993][ T4492] device_add+0x79a/0x1ce0 [ 842.199915][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 842.205680][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 842.211102][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 842.216778][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 842.221724][ T4492] tty_register_device_attr+0x395/0x7b0 [ 842.227462][ T4492] ? put_tty_driver+0xa0/0xa0 [ 842.232160][ T4492] ? mark_held_locks+0x9f/0xe0 [ 842.236939][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.239041][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 842.242915][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 842.242934][ T4492] hso_serial_common_create+0x124/0x8b0 [ 842.242951][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 842.242965][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 842.242986][ T4492] hso_probe+0xef9/0x1f70 [ 842.276802][ T4492] usb_probe_interface+0x315/0x7f0 [ 842.281901][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 842.287268][ T4492] really_probe+0x291/0xde0 [ 842.291756][ T4492] driver_probe_device+0x26b/0x3d0 [ 842.296849][ T4492] __device_attach_driver+0x1d1/0x290 [ 842.302205][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 842.308164][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 842.312997][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 842.318003][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.323964][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 842.328972][ T4492] __device_attach+0x228/0x4a0 [ 842.333718][ T4492] ? really_probe+0xde0/0xde0 [ 842.338395][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 842.343669][ T4492] bus_probe_device+0x1e4/0x290 [ 842.348507][ T4492] device_add+0xbb2/0x1ce0 [ 842.352919][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 842.358286][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.364268][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 842.370059][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 842.375080][ T4492] usb_set_configuration+0x113c/0x1910 [ 842.380542][ T4492] usb_generic_driver_probe+0xba/0x100 [ 842.385990][ T4492] usb_probe_device+0xd9/0x2c0 [ 842.390753][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 842.396831][ T4492] really_probe+0x291/0xde0 [ 842.401440][ T4492] driver_probe_device+0x26b/0x3d0 [ 842.406549][ T4492] __device_attach_driver+0x1d1/0x290 [ 842.411925][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 842.417894][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 842.422734][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 842.427747][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.433712][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 842.438731][ T4492] __device_attach+0x228/0x4a0 [ 842.443477][ T4492] ? really_probe+0xde0/0xde0 [ 842.448143][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 842.453411][ T4492] bus_probe_device+0x1e4/0x290 [ 842.458244][ T4492] device_add+0xbb2/0x1ce0 [ 842.462644][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 842.468000][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 842.473096][ T4492] ? hub_disconnect+0x510/0x510 [ 842.477939][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 842.482862][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 842.488825][ T4492] hub_event+0x2348/0x42d0 [ 842.493226][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 842.498320][ T4492] ? __lock_acquire+0x821/0x54f0 [ 842.503243][ T4492] ? put_pwq+0xb1/0x1b0 [ 842.507389][ T4492] ? lock_release+0x6d0/0x6d0 [ 842.512048][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 842.516879][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 842.521884][ T4492] process_one_work+0x933/0x1520 [ 842.526804][ T4492] ? lock_release+0x6d0/0x6d0 [ 842.531465][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 842.536822][ T4492] ? rwlock_bug.part.0+0x90/0x90 executing program [ 842.541742][ T4492] worker_thread+0x64c/0x1120 [ 842.546405][ T4492] ? process_one_work+0x1520/0x1520 [ 842.551584][ T4492] kthread+0x38c/0x460 [ 842.555648][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 842.560862][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 842.566758][ T4492] ret_from_fork+0x1f/0x30 [ 842.573034][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 842.644941][ T2619] usb 2-1: config 0 descriptor?? [ 842.650848][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 842.664361][ T4414] usb 5-1: USB disconnect, device number 37 [ 842.694780][ T5592] usb 4-1: USB disconnect, device number 37 [ 842.738702][ T4492] usb 1-1: USB disconnect, device number 37 [ 842.849789][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 842.858910][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 842.867061][ T4501] usb 6-1: Product: syz [ 842.871504][ T4501] usb 6-1: Manufacturer: syz [ 842.876095][ T4501] usb 6-1: SerialNumber: syz [ 842.882921][ T4501] usb 6-1: config 0 descriptor?? [ 842.911075][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 842.918069][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 842.929801][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 842.938944][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 842.947365][ T5121] usb 3-1: Product: syz [ 842.951563][ T5121] usb 3-1: Manufacturer: syz [ 842.956484][ T5121] usb 3-1: SerialNumber: syz [ 842.964681][ T5121] usb 3-1: config 0 descriptor?? [ 843.040698][ T4414] usb 5-1: new high-speed USB device number 38 using dummy_hcd executing program [ 843.109678][ T5592] usb 4-1: new high-speed USB device number 38 using dummy_hcd [ 843.109810][ T4492] usb 1-1: new high-speed USB device number 38 using dummy_hcd [ 843.119637][ T4925] usb 2-1: USB disconnect, device number 39 [ 843.139051][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 843.147174][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 843.260948][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 843.268182][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 843.333090][ T2619] usb 6-1: USB disconnect, device number 39 executing program [ 843.461227][ T5121] usb 3-1: USB disconnect, device number 38 [ 843.539770][ T4925] usb 2-1: new high-speed USB device number 40 using dummy_hcd [ 843.609886][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 843.618966][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 843.627004][ T4414] usb 5-1: Product: syz [ 843.631282][ T4414] usb 5-1: Manufacturer: syz [ 843.635874][ T4414] usb 5-1: SerialNumber: syz [ 843.644873][ T4414] usb 5-1: config 0 descriptor?? [ 843.649882][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 843.649898][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 843.649910][ T4492] usb 1-1: Product: syz [ 843.649922][ T4492] usb 1-1: Manufacturer: syz [ 843.649934][ T4492] usb 1-1: SerialNumber: syz [ 843.682267][ T4492] usb 1-1: config 0 descriptor?? [ 843.699795][ T2619] usb 6-1: new high-speed USB device number 40 using dummy_hcd [ 843.729830][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 843.739133][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 843.747654][ T5592] usb 4-1: Product: syz [ 843.751962][ T5592] usb 4-1: Manufacturer: syz [ 843.756552][ T5592] usb 4-1: SerialNumber: syz [ 843.763930][ T5592] usb 4-1: config 0 descriptor?? [ 843.839692][ T5121] usb 3-1: new high-speed USB device number 39 using dummy_hcd [ 843.940018][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 843.940772][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 843.947530][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 843.947540][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 843.947556][ T4414] Workqueue: usb_hub_wq hub_event [ 843.958905][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 843.961621][ T4414] Call Trace: [ 843.961642][ T4414] dump_stack+0x107/0x163 [ 843.961656][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 843.961673][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 843.961687][ T4414] sysfs_create_link+0x5f/0xc0 [ 843.961700][ T4414] device_add+0x79a/0x1ce0 [ 843.961716][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 843.961729][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 843.961744][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 843.961757][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 843.961771][ T4414] tty_register_device_attr+0x395/0x7b0 [ 843.961785][ T4414] ? put_tty_driver+0xa0/0xa0 [ 843.961797][ T4414] ? mark_held_locks+0x9f/0xe0 [ 843.961811][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 843.961824][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 843.961840][ T4414] hso_serial_common_create+0x124/0x8b0 [ 843.961864][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 844.070373][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 844.076168][ T4414] hso_probe+0xef9/0x1f70 [ 844.080483][ T4414] usb_probe_interface+0x315/0x7f0 [ 844.085580][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 844.092073][ T4414] really_probe+0x291/0xde0 [ 844.096579][ T4414] driver_probe_device+0x26b/0x3d0 [ 844.101685][ T4414] __device_attach_driver+0x1d1/0x290 [ 844.107039][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 844.113002][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 844.117833][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 844.122890][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 844.128860][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 844.133886][ T4414] __device_attach+0x228/0x4a0 executing program [ 844.138666][ T4414] ? really_probe+0xde0/0xde0 [ 844.143340][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 844.148634][ T4414] bus_probe_device+0x1e4/0x290 [ 844.153492][ T4414] device_add+0xbb2/0x1ce0 [ 844.157916][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 844.163296][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 844.169286][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 844.175097][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 844.180141][ T4414] usb_set_configuration+0x113c/0x1910 [ 844.185609][ T4414] usb_generic_driver_probe+0xba/0x100 executing program [ 844.191072][ T4414] usb_probe_device+0xd9/0x2c0 [ 844.195855][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 844.201927][ T4414] really_probe+0x291/0xde0 [ 844.206446][ T4414] driver_probe_device+0x26b/0x3d0 [ 844.211574][ T4414] __device_attach_driver+0x1d1/0x290 [ 844.216940][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 844.222901][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 844.227731][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 844.232737][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 844.238694][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 844.239645][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 844.243702][ T4414] __device_attach+0x228/0x4a0 [ 844.243717][ T4414] ? really_probe+0xde0/0xde0 [ 844.243733][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 844.243748][ T4414] bus_probe_device+0x1e4/0x290 [ 844.243760][ T4414] device_add+0xbb2/0x1ce0 [ 844.243778][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 844.252841][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 844.257523][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 844.262242][ T2619] usb 6-1: Product: syz [ 844.267457][ T4414] ? hub_disconnect+0x510/0x510 [ 844.272430][ T2619] usb 6-1: Manufacturer: syz [ 844.276667][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 844.276687][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 844.282067][ T2619] usb 6-1: SerialNumber: syz [ 844.290098][ T4414] hub_event+0x2348/0x42d0 [ 844.290115][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 844.290135][ T4414] ? __lock_acquire+0x821/0x54f0 [ 844.340176][ T4414] ? put_pwq+0xb1/0x1b0 [ 844.344567][ T4414] ? lock_release+0x6d0/0x6d0 [ 844.349597][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 844.354467][ T4414] ? do_raw_spin_lock+0x120/0x2b0 [ 844.359505][ T4414] process_one_work+0x933/0x1520 [ 844.363195][ T2619] usb 6-1: config 0 descriptor?? [ 844.364448][ T4414] ? lock_release+0x6d0/0x6d0 [ 844.364467][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 844.364482][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 844.364498][ T4414] worker_thread+0x82b/0x1120 [ 844.364511][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 844.364531][ T4414] ? process_one_work+0x1520/0x1520 [ 844.399354][ T4414] kthread+0x38c/0x460 [ 844.403621][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 844.408886][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 844.414791][ T4414] ret_from_fork+0x1f/0x30 [ 844.421920][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 844.430693][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 844.445008][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 844.479284][ T4492] usb 1-1: USB disconnect, device number 38 [ 844.506150][ T4414] usb 5-1: USB disconnect, device number 38 executing program [ 844.599893][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 844.609032][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 844.617132][ T4925] usb 2-1: Product: syz [ 844.621502][ T4925] usb 2-1: Manufacturer: syz [ 844.626456][ T4925] usb 2-1: SerialNumber: syz [ 844.631499][ T2619] hso 6-1:0.0: Failed to find BULK IN ep [ 844.642645][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected [ 844.683240][ T4925] usb 2-1: config 0 descriptor?? [ 844.688912][ T5592] usb 4-1: USB disconnect, device number 38 executing program [ 844.829570][ T4492] usb 1-1: new high-speed USB device number 39 using dummy_hcd [ 844.838767][ T2619] usb 6-1: USB disconnect, device number 40 [ 844.899835][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 844.909099][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 844.917529][ T5121] usb 3-1: Product: syz [ 844.921817][ T5121] usb 3-1: Manufacturer: syz [ 844.926415][ T5121] usb 3-1: SerialNumber: syz [ 844.936465][ T5121] usb 3-1: config 0 descriptor?? [ 844.941687][ T4414] usb 5-1: new high-speed USB device number 39 using dummy_hcd [ 844.950970][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 844.961478][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 845.089621][ T5592] usb 4-1: new high-speed USB device number 39 using dummy_hcd executing program [ 845.151188][ T4925] usb 2-1: USB disconnect, device number 40 [ 845.199718][ T2619] usb 6-1: new high-speed USB device number 41 using dummy_hcd [ 845.220657][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 845.227688][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected [ 845.349712][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 845.358832][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 845.367194][ T4492] usb 1-1: Product: syz [ 845.371770][ T4492] usb 1-1: Manufacturer: syz [ 845.376371][ T4492] usb 1-1: SerialNumber: syz [ 845.383423][ T4492] usb 1-1: config 0 descriptor?? executing program [ 845.421762][ T5121] usb 3-1: USB disconnect, device number 39 [ 845.529637][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 845.538893][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 845.547488][ T4414] usb 5-1: Product: syz [ 845.551838][ T4414] usb 5-1: Manufacturer: syz [ 845.556567][ T4414] usb 5-1: SerialNumber: syz [ 845.566686][ T4414] usb 5-1: config 0 descriptor?? [ 845.571782][ T4925] usb 2-1: new high-speed USB device number 41 using dummy_hcd [ 845.640525][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 845.648199][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 845.679967][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 845.689605][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 845.697762][ T5592] usb 4-1: Product: syz [ 845.702140][ T5592] usb 4-1: Manufacturer: syz [ 845.706971][ T5592] usb 4-1: SerialNumber: syz [ 845.716928][ T5592] usb 4-1: config 0 descriptor?? [ 845.722384][ T2619] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 845.731797][ T2619] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 845.740084][ T2619] usb 6-1: Product: syz [ 845.744258][ T2619] usb 6-1: Manufacturer: syz [ 845.748992][ T2619] usb 6-1: SerialNumber: syz [ 845.781162][ T2619] usb 6-1: config 0 descriptor?? executing program [ 845.841173][ T4501] usb 1-1: USB disconnect, device number 39 [ 845.847644][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 845.859933][ T5121] usb 3-1: new high-speed USB device number 40 using dummy_hcd [ 845.872047][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 845.991169][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 845.998545][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 846.040737][ T2619] hso 6-1:0.0: Failed to find BULK IN ep [ 846.041455][ T4414] usb 5-1: USB disconnect, device number 39 [ 846.050174][ T2619] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 846.159649][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 846.170204][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 846.178193][ T4925] usb 2-1: Product: syz [ 846.182751][ T4925] usb 2-1: Manufacturer: syz [ 846.187356][ T4925] usb 2-1: SerialNumber: syz [ 846.196648][ T2619] usb 4-1: USB disconnect, device number 39 executing program [ 846.222117][ T4925] usb 2-1: config 0 descriptor?? [ 846.241849][ T4492] usb 6-1: USB disconnect, device number 41 [ 846.259759][ T4501] usb 1-1: new high-speed USB device number 40 using dummy_hcd [ 846.419541][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 846.429058][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 846.437130][ T5121] usb 3-1: Product: syz [ 846.441379][ T5121] usb 3-1: Manufacturer: syz [ 846.446159][ T5121] usb 3-1: SerialNumber: syz [ 846.455502][ T5121] usb 3-1: config 0 descriptor?? [ 846.460962][ T4414] usb 5-1: new high-speed USB device number 40 using dummy_hcd [ 846.480572][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 846.488014][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 846.559620][ T2619] usb 4-1: new high-speed USB device number 40 using dummy_hcd [ 846.609523][ T4492] usb 6-1: new high-speed USB device number 42 using dummy_hcd executing program [ 846.683665][ T30] usb 2-1: USB disconnect, device number 41 [ 846.731196][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 846.738581][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected [ 846.849646][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 846.858917][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 846.867411][ T4501] usb 1-1: Product: syz [ 846.871620][ T4501] usb 1-1: Manufacturer: syz [ 846.876216][ T4501] usb 1-1: SerialNumber: syz [ 846.886274][ T4501] usb 1-1: config 0 descriptor?? executing program [ 846.931758][ T4806] usb 3-1: USB disconnect, device number 40 [ 847.039618][ T30] usb 2-1: new high-speed USB device number 42 using dummy_hcd [ 847.039629][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 847.039648][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 847.064972][ T4414] usb 5-1: Product: syz [ 847.069122][ T4414] usb 5-1: Manufacturer: syz [ 847.073767][ T4414] usb 5-1: SerialNumber: syz [ 847.079639][ T2619] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 847.084667][ T4414] usb 5-1: config 0 descriptor?? [ 847.089621][ T2619] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 847.102601][ T2619] usb 4-1: Product: syz [ 847.106768][ T2619] usb 4-1: Manufacturer: syz [ 847.111444][ T2619] usb 4-1: SerialNumber: syz [ 847.120470][ T2619] usb 4-1: config 0 descriptor?? [ 847.149554][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 847.151670][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 847.158780][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 847.172833][ T4492] usb 6-1: Product: syz [ 847.177146][ T4492] usb 6-1: Manufacturer: syz [ 847.181897][ T4492] usb 6-1: SerialNumber: syz [ 847.195366][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 847.211083][ T4492] usb 6-1: config 0 descriptor?? executing program [ 847.329536][ T4806] usb 3-1: new high-speed USB device number 41 using dummy_hcd [ 847.352667][ T5121] usb 1-1: USB disconnect, device number 40 [ 847.370509][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 847.384608][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 847.406815][ T2619] hso 4-1:0.0: Failed to find BULK IN ep [ 847.424729][ T2619] usb-storage 4-1:0.0: USB Mass Storage device detected [ 847.482084][ T4492] hso 6-1:0.0: Failed to find BULK IN ep [ 847.495548][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 847.572079][ T4414] usb 5-1: USB disconnect, device number 40 [ 847.589712][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 847.598789][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 847.607572][ T30] usb 2-1: Product: syz [ 847.611806][ T30] usb 2-1: Manufacturer: syz [ 847.616423][ T30] usb 2-1: SerialNumber: syz executing program [ 847.625036][ T30] usb 2-1: config 0 descriptor?? [ 847.640890][ T4492] usb 4-1: USB disconnect, device number 40 executing program [ 847.681075][ T4501] usb 6-1: USB disconnect, device number 42 [ 847.809467][ T5121] usb 1-1: new high-speed USB device number 41 using dummy_hcd [ 847.859880][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 847.869253][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 847.877335][ T4806] usb 3-1: Product: syz [ 847.881883][ T4806] usb 3-1: Manufacturer: syz [ 847.886486][ T4806] usb 3-1: SerialNumber: syz [ 847.892257][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 847.902439][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 847.914214][ T4806] usb 3-1: config 0 descriptor?? [ 847.939826][ T4414] usb 5-1: new high-speed USB device number 41 using dummy_hcd [ 848.039432][ T4492] usb 4-1: new high-speed USB device number 41 using dummy_hcd executing program [ 848.083374][ T4925] usb 2-1: USB disconnect, device number 42 [ 848.119603][ T4501] usb 6-1: new high-speed USB device number 43 using dummy_hcd [ 848.180878][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 848.188540][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 848.380910][ T5592] usb 3-1: USB disconnect, device number 41 [ 848.459517][ T5121] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 848.468983][ T5121] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 848.477210][ T5121] usb 1-1: Product: syz [ 848.481705][ T5121] usb 1-1: Manufacturer: syz [ 848.486301][ T5121] usb 1-1: SerialNumber: syz [ 848.498665][ T5121] usb 1-1: config 0 descriptor?? [ 848.507612][ T4925] usb 2-1: new high-speed USB device number 43 using dummy_hcd [ 848.559545][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 848.568695][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 848.576908][ T4492] usb 4-1: Product: syz [ 848.579505][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 848.581120][ T4492] usb 4-1: Manufacturer: syz [ 848.590175][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 848.594724][ T4492] usb 4-1: SerialNumber: syz [ 848.602812][ T4414] usb 5-1: Product: syz [ 848.611775][ T4414] usb 5-1: Manufacturer: syz [ 848.616897][ T4414] usb 5-1: SerialNumber: syz [ 848.626354][ T4492] usb 4-1: config 0 descriptor?? [ 848.630587][ T4414] usb 5-1: config 0 descriptor?? [ 848.769911][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 848.779319][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 848.787326][ T4501] usb 6-1: Product: syz [ 848.791745][ T4501] usb 6-1: Manufacturer: syz [ 848.796458][ T4501] usb 6-1: SerialNumber: syz [ 848.801437][ T5592] usb 3-1: new high-speed USB device number 42 using dummy_hcd [ 848.809720][ T5121] hso 1-1:0.0: Failed to find BULK IN ep [ 848.817075][ T5121] usb-storage 1-1:0.0: USB Mass Storage device detected [ 848.830991][ T4501] usb 6-1: config 0 descriptor?? [ 848.899903][ T4414] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 848.907410][ T4414] CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted 5.10.0-rc7-syzkaller #0 [ 848.915835][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 848.925917][ T4414] Workqueue: usb_hub_wq hub_event [ 848.930963][ T4414] Call Trace: [ 848.931321][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 848.934262][ T4414] dump_stack+0x107/0x163 [ 848.934277][ T4414] sysfs_warn_dup.cold+0x1c/0x29 [ 848.934296][ T4414] sysfs_do_create_link_sd+0x11e/0x140 [ 848.934309][ T4414] sysfs_create_link+0x5f/0xc0 [ 848.934327][ T4414] device_add+0x79a/0x1ce0 [ 848.944913][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 848.949340][ T4414] ? lockdep_init_map_waits+0x26a/0x700 [ 848.949356][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 848.949371][ T4414] ? __init_waitqueue_head+0x97/0x110 [ 848.949386][ T4414] ? pm_runtime_init+0x2cf/0x3b0 [ 848.949402][ T4414] tty_register_device_attr+0x395/0x7b0 executing program [ 848.949415][ T4414] ? put_tty_driver+0xa0/0xa0 [ 848.949428][ T4414] ? mark_held_locks+0x9f/0xe0 [ 848.949442][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 848.949455][ T4414] ? tty_port_register_device_attr+0xbc/0x110 [ 848.949473][ T4414] hso_serial_common_create+0x124/0x8b0 [ 848.949488][ T4414] ? kasan_unpoison_shadow+0x33/0x40 [ 848.949509][ T4414] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 848.974035][ T4806] usb 1-1: USB disconnect, device number 41 [ 848.977080][ T4414] hso_probe+0xef9/0x1f70 [ 848.977097][ T4414] usb_probe_interface+0x315/0x7f0 [ 848.977113][ T4414] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 848.977128][ T4414] really_probe+0x291/0xde0 [ 848.977148][ T4414] driver_probe_device+0x26b/0x3d0 [ 849.068181][ T4414] __device_attach_driver+0x1d1/0x290 [ 849.073782][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 849.079784][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 849.084654][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 849.089860][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 executing program [ 849.096041][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 849.101080][ T4414] __device_attach+0x228/0x4a0 [ 849.105888][ T4414] ? really_probe+0xde0/0xde0 [ 849.110580][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 849.116011][ T4414] bus_probe_device+0x1e4/0x290 [ 849.120880][ T4414] device_add+0xbb2/0x1ce0 [ 849.125315][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 849.130729][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 849.136870][ T4414] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 849.142738][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 849.147759][ T4414] usb_set_configuration+0x113c/0x1910 [ 849.153212][ T4414] usb_generic_driver_probe+0xba/0x100 [ 849.158664][ T4414] usb_probe_device+0xd9/0x2c0 [ 849.163423][ T4414] ? usb_driver_release_interface+0x180/0x180 [ 849.169489][ T4414] really_probe+0x291/0xde0 [ 849.173986][ T4414] driver_probe_device+0x26b/0x3d0 [ 849.179126][ T4414] __device_attach_driver+0x1d1/0x290 [ 849.184494][ T4414] ? driver_allows_async_probing+0x150/0x150 [ 849.190540][ T4414] bus_for_each_drv+0x15f/0x1e0 [ 849.195435][ T4414] ? bus_for_each_dev+0x1d0/0x1d0 [ 849.200453][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 849.206423][ T4414] ? trace_hardirqs_on+0x5b/0x1a0 [ 849.211439][ T4414] __device_attach+0x228/0x4a0 [ 849.216198][ T4414] ? really_probe+0xde0/0xde0 [ 849.220869][ T4414] ? kobject_uevent_env+0x2bb/0x1680 [ 849.226178][ T4414] bus_probe_device+0x1e4/0x290 [ 849.231023][ T4414] device_add+0xbb2/0x1ce0 [ 849.235517][ T4414] ? devlink_add_symlinks+0x450/0x450 [ 849.240936][ T4414] usb_new_device.cold+0x71d/0xfe9 [ 849.246132][ T4414] ? hub_disconnect+0x510/0x510 [ 849.251012][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 849.255945][ T4414] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 849.261918][ T4414] hub_event+0x2348/0x42d0 [ 849.266331][ T4414] ? hub_port_debounce+0x3b0/0x3b0 [ 849.271435][ T4414] ? __lock_acquire+0x820/0x54f0 [ 849.276366][ T4414] ? put_pwq+0xb1/0x1b0 [ 849.280514][ T4414] ? lock_release+0x6d0/0x6d0 [ 849.285183][ T4414] ? lock_downgrade+0x6d0/0x6d0 [ 849.290028][ T4414] ? do_raw_spin_lock+0x120/0x2b0 [ 849.295046][ T4414] process_one_work+0x933/0x1520 [ 849.299977][ T4414] ? lock_release+0x6d0/0x6d0 [ 849.304681][ T4414] ? pwq_dec_nr_in_flight+0x320/0x320 [ 849.310046][ T4414] ? rwlock_bug.part.0+0x90/0x90 [ 849.314978][ T4414] worker_thread+0x64c/0x1120 [ 849.319648][ T4414] ? __kthread_parkme+0x118/0x1d0 [ 849.324666][ T4414] ? process_one_work+0x1520/0x1520 [ 849.329861][ T4414] kthread+0x38c/0x460 [ 849.333952][ T4414] ? _raw_spin_unlock_irq+0x1f/0x30 [ 849.339303][ T4414] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 849.345204][ T4414] ret_from_fork+0x1f/0x30 executing program [ 849.366312][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected [ 849.375707][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 849.385274][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 849.409592][ T4492] usb 4-1: USB disconnect, device number 41 [ 849.459216][ T4414] usb 5-1: USB disconnect, device number 41 [ 849.529655][ T4925] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 849.538730][ T4925] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 849.547287][ T4925] usb 2-1: Product: syz [ 849.549663][ T4806] usb 1-1: new high-speed USB device number 42 using dummy_hcd [ 849.551489][ T4925] usb 2-1: Manufacturer: syz [ 849.563964][ T4925] usb 2-1: SerialNumber: syz [ 849.570935][ T4925] usb 2-1: config 0 descriptor?? executing program [ 849.577489][ T4501] usb 6-1: USB disconnect, device number 43 [ 849.779249][ T4492] usb 4-1: new high-speed USB device number 42 using dummy_hcd [ 849.820008][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 849.829225][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 849.837460][ T5592] usb 3-1: Product: syz [ 849.841833][ T5592] usb 3-1: Manufacturer: syz [ 849.846659][ T5592] usb 3-1: SerialNumber: syz [ 849.851432][ T4414] usb 5-1: new high-speed USB device number 42 using dummy_hcd [ 849.859534][ T4925] hso 2-1:0.0: Failed to find BULK IN ep [ 849.867253][ T4925] usb-storage 2-1:0.0: USB Mass Storage device detected [ 849.877283][ T5592] usb 3-1: config 0 descriptor?? [ 849.952577][ T4501] usb 6-1: new high-speed USB device number 44 using dummy_hcd executing program [ 850.021469][ T30] usb 2-1: USB disconnect, device number 43 [ 850.069539][ T4806] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 850.078896][ T4806] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 850.086953][ T4806] usb 1-1: Product: syz [ 850.091222][ T4806] usb 1-1: Manufacturer: syz [ 850.095816][ T4806] usb 1-1: SerialNumber: syz [ 850.105315][ T4806] usb 1-1: config 0 descriptor?? [ 850.140813][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 850.148292][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 850.319503][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 850.329046][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 850.337473][ T4492] usb 4-1: Product: syz [ 850.341204][ T5592] usb 3-1: USB disconnect, device number 42 [ 850.341776][ T4492] usb 4-1: Manufacturer: syz [ 850.352487][ T4492] usb 4-1: SerialNumber: syz [ 850.370239][ T4806] hso 1-1:0.0: Failed to find BULK IN ep [ 850.378213][ T4806] usb-storage 1-1:0.0: USB Mass Storage device detected [ 850.417589][ T4492] usb 4-1: config 0 descriptor?? [ 850.429279][ T30] usb 2-1: new high-speed USB device number 44 using dummy_hcd [ 850.429908][ T4414] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 850.446096][ T4414] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 850.454226][ T4414] usb 5-1: Product: syz [ 850.458393][ T4414] usb 5-1: Manufacturer: syz [ 850.463072][ T4414] usb 5-1: SerialNumber: syz [ 850.480333][ T4414] usb 5-1: config 0 descriptor?? executing program [ 850.549584][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 850.558946][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 850.567034][ T4501] usb 6-1: Product: syz [ 850.571253][ T4501] usb 6-1: Manufacturer: syz [ 850.571977][ T4806] usb 1-1: USB disconnect, device number 42 [ 850.575850][ T4501] usb 6-1: SerialNumber: syz [ 850.601531][ T4501] usb 6-1: config 0 descriptor?? [ 850.683130][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 850.699639][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected [ 850.779832][ T5592] usb 3-1: new high-speed USB device number 43 using dummy_hcd [ 850.787956][ T4414] hso 5-1:0.0: Failed to find BULK IN ep [ 850.800945][ T4414] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 850.882757][ T4414] usb 4-1: USB disconnect, device number 42 [ 850.900535][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 850.918295][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 850.949416][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 850.958682][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 850.967655][ T30] usb 2-1: Product: syz [ 850.972022][ T30] usb 2-1: Manufacturer: syz [ 850.976743][ T30] usb 2-1: SerialNumber: syz [ 850.981587][ T4925] usb 5-1: USB disconnect, device number 42 [ 850.987564][ T4806] usb 1-1: new high-speed USB device number 43 using dummy_hcd [ 851.039379][ T30] usb 2-1: config 0 descriptor?? executing program [ 851.101084][ T5121] usb 6-1: USB disconnect, device number 44 [ 851.269454][ T4414] usb 4-1: new high-speed USB device number 43 using dummy_hcd [ 851.300082][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 851.307569][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 851.429422][ T4925] usb 5-1: new high-speed USB device number 43 using dummy_hcd [ 851.437339][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 851.446924][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 851.454970][ T5592] usb 3-1: Product: syz [ 851.459294][ T5592] usb 3-1: Manufacturer: syz [ 851.463895][ T5592] usb 3-1: SerialNumber: syz [ 851.470738][ T5592] usb 3-1: config 0 descriptor?? executing program [ 851.489328][ T5121] usb 6-1: new high-speed USB device number 45 using dummy_hcd [ 851.501903][ T30] usb 2-1: USB disconnect, device number 44 [ 851.559396][ T4806] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 851.568673][ T4806] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 851.577374][ T4806] usb 1-1: Product: syz [ 851.581820][ T4806] usb 1-1: Manufacturer: syz [ 851.586423][ T4806] usb 1-1: SerialNumber: syz [ 851.593894][ T4806] usb 1-1: config 0 descriptor?? [ 851.730232][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 851.738119][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected [ 851.860028][ T4806] hso 1-1:0.0: Failed to find BULK IN ep [ 851.867631][ T4806] usb-storage 1-1:0.0: USB Mass Storage device detected [ 851.879415][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 851.888662][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 851.889181][ T30] usb 2-1: new high-speed USB device number 45 using dummy_hcd [ 851.896867][ T4414] usb 4-1: Product: syz executing program [ 851.908498][ T4414] usb 4-1: Manufacturer: syz [ 851.913175][ T4414] usb 4-1: SerialNumber: syz [ 851.920451][ T4414] usb 4-1: config 0 descriptor?? [ 851.931667][ T4492] usb 3-1: USB disconnect, device number 43 executing program [ 852.061386][ T4806] usb 1-1: USB disconnect, device number 43 [ 852.099383][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 852.108839][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 852.117201][ T4925] usb 5-1: Product: syz [ 852.121436][ T4925] usb 5-1: Manufacturer: syz [ 852.126498][ T4925] usb 5-1: SerialNumber: syz [ 852.131199][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 852.140616][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 852.148600][ T5121] usb 6-1: Product: syz [ 852.152802][ T5121] usb 6-1: Manufacturer: syz [ 852.157395][ T5121] usb 6-1: SerialNumber: syz [ 852.163994][ T5121] usb 6-1: config 0 descriptor?? [ 852.171119][ T4925] usb 5-1: config 0 descriptor?? [ 852.190738][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 852.200835][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 852.309131][ T4492] usb 3-1: new high-speed USB device number 44 using dummy_hcd executing program [ 852.391130][ T4414] usb 4-1: USB disconnect, device number 43 [ 852.419313][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 852.428465][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 852.430005][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 852.436699][ T30] usb 2-1: Product: syz [ 852.444006][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 852.448135][ T30] usb 2-1: Manufacturer: syz [ 852.456660][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 852.456678][ T4925] Workqueue: usb_hub_wq hub_event [ 852.456689][ T4925] Call Trace: [ 852.456705][ T4925] dump_stack+0x107/0x163 [ 852.456724][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 852.461335][ T30] usb 2-1: SerialNumber: syz [ 852.471365][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 852.471379][ T4925] sysfs_create_link+0x5f/0xc0 [ 852.471392][ T4925] device_add+0x79a/0x1ce0 [ 852.471412][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 852.479500][ T4806] usb 1-1: new high-speed USB device number 44 using dummy_hcd [ 852.479744][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 852.517092][ T30] usb 2-1: config 0 descriptor?? [ 852.522672][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 852.522688][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 852.522704][ T4925] tty_register_device_attr+0x395/0x7b0 [ 852.522718][ T4925] ? put_tty_driver+0xa0/0xa0 [ 852.522736][ T4925] ? mark_held_locks+0x9f/0xe0 [ 852.522749][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.522762][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 852.522778][ T4925] hso_serial_common_create+0x124/0x8b0 [ 852.522794][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 852.522808][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 852.522822][ T4925] hso_probe+0xef9/0x1f70 [ 852.522835][ T4925] usb_probe_interface+0x315/0x7f0 [ 852.522853][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 852.603158][ T4925] really_probe+0x291/0xde0 [ 852.607671][ T4925] driver_probe_device+0x26b/0x3d0 [ 852.612903][ T4925] __device_attach_driver+0x1d1/0x290 [ 852.618270][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 852.624508][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 852.629474][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 852.634503][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.640476][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 852.645506][ T4925] __device_attach+0x228/0x4a0 [ 852.650321][ T4925] ? really_probe+0xde0/0xde0 [ 852.654995][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 852.660386][ T4925] bus_probe_device+0x1e4/0x290 [ 852.665300][ T4925] device_add+0xbb2/0x1ce0 [ 852.669711][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 852.675076][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.681064][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 852.686889][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 executing program [ 852.691927][ T4925] usb_set_configuration+0x113c/0x1910 [ 852.697403][ T4925] usb_generic_driver_probe+0xba/0x100 [ 852.702884][ T4925] usb_probe_device+0xd9/0x2c0 [ 852.707668][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 852.713752][ T4925] really_probe+0x291/0xde0 [ 852.718275][ T4925] driver_probe_device+0x26b/0x3d0 [ 852.723585][ T4925] __device_attach_driver+0x1d1/0x290 [ 852.729117][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 852.735233][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 852.740093][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 852.745343][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.751441][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 852.756462][ T4925] __device_attach+0x228/0x4a0 [ 852.761384][ T4925] ? really_probe+0xde0/0xde0 [ 852.766056][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 852.771334][ T4925] bus_probe_device+0x1e4/0x290 [ 852.776181][ T4925] device_add+0xbb2/0x1ce0 [ 852.780790][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 852.786341][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 852.791561][ T4925] ? hub_disconnect+0x510/0x510 [ 852.796627][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 852.799506][ T30] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 852.801685][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.801701][ T4925] hub_event+0x2348/0x42d0 [ 852.801717][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 852.801735][ T4925] ? __lock_acquire+0x820/0x54f0 [ 852.829645][ T4925] ? put_pwq+0xb1/0x1b0 [ 852.833795][ T4925] ? lock_release+0x6d0/0x6d0 [ 852.838466][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 852.843493][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 852.848516][ T4925] process_one_work+0x933/0x1520 [ 852.853451][ T4925] ? lock_release+0x6d0/0x6d0 [ 852.858126][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 852.863491][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 852.868428][ T4925] worker_thread+0x64c/0x1120 [ 852.873099][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 852.878207][ T4925] ? process_one_work+0x1520/0x1520 [ 852.883392][ T4925] kthread+0x38c/0x460 [ 852.887461][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 852.892694][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 852.898585][ T4925] ret_from_fork+0x1f/0x30 [ 852.903000][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 852.911337][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 852.912061][ T5121] hso 6-1:0.0: Failed to find BULK IN ep [ 852.921631][ T30] Workqueue: usb_hub_wq hub_event [ 852.921643][ T30] Call Trace: [ 852.921660][ T30] dump_stack+0x107/0x163 [ 852.921674][ T30] sysfs_warn_dup.cold+0x1c/0x29 [ 852.921692][ T30] sysfs_do_create_link_sd+0x11e/0x140 [ 852.921707][ T30] sysfs_create_link+0x5f/0xc0 [ 852.921721][ T30] device_add+0x79a/0x1ce0 [ 852.921736][ T30] ? lockdep_init_map_waits+0x26a/0x700 [ 852.921749][ T30] ? devlink_add_symlinks+0x450/0x450 [ 852.921764][ T30] ? __init_waitqueue_head+0x97/0x110 [ 852.921778][ T30] ? pm_runtime_init+0x2cf/0x3b0 [ 852.921793][ T30] tty_register_device_attr+0x395/0x7b0 [ 852.921807][ T30] ? put_tty_driver+0xa0/0xa0 [ 852.921820][ T30] ? mark_held_locks+0x9f/0xe0 [ 852.921833][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 852.921854][ T30] ? tty_port_register_device_attr+0xbc/0x110 [ 853.011042][ T30] hso_serial_common_create+0x124/0x8b0 [ 853.016618][ T30] ? kasan_unpoison_shadow+0x33/0x40 [ 853.022236][ T30] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 853.028189][ T30] hso_probe+0xef9/0x1f70 [ 853.032534][ T30] usb_probe_interface+0x315/0x7f0 [ 853.038167][ T30] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 853.043892][ T30] really_probe+0x291/0xde0 [ 853.048663][ T30] driver_probe_device+0x26b/0x3d0 [ 853.054261][ T30] __device_attach_driver+0x1d1/0x290 [ 853.059946][ T30] ? driver_allows_async_probing+0x150/0x150 [ 853.065941][ T30] bus_for_each_drv+0x15f/0x1e0 [ 853.071359][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 853.076577][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 853.082954][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 853.088053][ T30] __device_attach+0x228/0x4a0 [ 853.092920][ T30] ? really_probe+0xde0/0xde0 [ 853.097966][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 853.103796][ T30] bus_probe_device+0x1e4/0x290 [ 853.108666][ T30] device_add+0xbb2/0x1ce0 [ 853.111438][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 853.113089][ T30] ? devlink_add_symlinks+0x450/0x450 [ 853.113106][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 853.113124][ T30] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 853.113138][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 853.113153][ T30] usb_set_configuration+0x113c/0x1910 [ 853.113167][ T30] usb_generic_driver_probe+0xba/0x100 [ 853.113186][ T30] usb_probe_device+0xd9/0x2c0 [ 853.130989][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 853.131600][ T30] ? usb_driver_release_interface+0x180/0x180 [ 853.171494][ T30] really_probe+0x291/0xde0 [ 853.176108][ T30] driver_probe_device+0x26b/0x3d0 [ 853.181371][ T30] __device_attach_driver+0x1d1/0x290 [ 853.186764][ T30] ? driver_allows_async_probing+0x150/0x150 [ 853.192757][ T30] bus_for_each_drv+0x15f/0x1e0 [ 853.197796][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 853.202845][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 853.209020][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 853.214309][ T30] __device_attach+0x228/0x4a0 [ 853.219176][ T30] ? really_probe+0xde0/0xde0 [ 853.223959][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 853.229447][ T30] bus_probe_device+0x1e4/0x290 [ 853.234349][ T30] device_add+0xbb2/0x1ce0 [ 853.239287][ T30] ? devlink_add_symlinks+0x450/0x450 executing program executing program [ 853.244761][ T30] usb_new_device.cold+0x71d/0xfe9 [ 853.250268][ T30] ? hub_disconnect+0x510/0x510 [ 853.255135][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 853.260232][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 853.266231][ T30] hub_event+0x2348/0x42d0 [ 853.270667][ T30] ? hub_port_debounce+0x3b0/0x3b0 [ 853.275796][ T30] ? __lock_acquire+0x820/0x54f0 [ 853.280763][ T30] ? put_pwq+0xb1/0x1b0 [ 853.284927][ T30] ? lock_release+0x6d0/0x6d0 [ 853.289636][ T30] ? lock_downgrade+0x6d0/0x6d0 [ 853.294480][ T30] ? do_raw_spin_lock+0x120/0x2b0 [ 853.299498][ T30] process_one_work+0x933/0x1520 [ 853.304429][ T30] ? lock_release+0x6d0/0x6d0 [ 853.309102][ T30] ? pwq_dec_nr_in_flight+0x320/0x320 [ 853.314467][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 853.319397][ T30] worker_thread+0x64c/0x1120 [ 853.324069][ T30] ? __kthread_parkme+0x118/0x1d0 [ 853.329092][ T30] ? process_one_work+0x1520/0x1520 [ 853.334281][ T30] kthread+0x38c/0x460 [ 853.338493][ T30] ? _raw_spin_unlock_irq+0x1f/0x30 [ 853.343714][ T30] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 853.349607][ T30] ret_from_fork+0x1f/0x30 [ 853.358358][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 853.390158][ T4925] usb 5-1: USB disconnect, device number 43 [ 853.426886][ T30] usb 2-1: USB disconnect, device number 45 [ 853.433071][ T4492] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 853.434339][ T5121] usb 6-1: USB disconnect, device number 45 [ 853.442334][ T4492] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 853.442348][ T4492] usb 3-1: Product: syz [ 853.442360][ T4492] usb 3-1: Manufacturer: syz [ 853.442373][ T4492] usb 3-1: SerialNumber: syz [ 853.470486][ T4492] usb 3-1: config 0 descriptor?? [ 853.559364][ T4806] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 853.568850][ T4806] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 853.578669][ T4806] usb 1-1: Product: syz [ 853.583170][ T4806] usb 1-1: Manufacturer: syz [ 853.587792][ T4806] usb 1-1: SerialNumber: syz [ 853.594446][ T4806] usb 1-1: config 0 descriptor?? [ 853.689062][ T4414] usb 4-1: new high-speed USB device number 44 using dummy_hcd [ 853.730036][ T4492] hso 3-1:0.0: Failed to find BULK IN ep [ 853.737609][ T4492] usb-storage 3-1:0.0: USB Mass Storage device detected [ 853.799212][ T4925] usb 5-1: new high-speed USB device number 44 using dummy_hcd [ 853.839041][ T30] usb 2-1: new high-speed USB device number 46 using dummy_hcd [ 853.870042][ T4806] hso 1-1:0.0: Failed to find BULK IN ep [ 853.879174][ T5121] usb 6-1: new high-speed USB device number 46 using dummy_hcd [ 853.885615][ T4806] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 853.930891][ T5592] usb 3-1: USB disconnect, device number 44 executing program [ 854.070629][ T4501] usb 1-1: USB disconnect, device number 44 [ 854.339514][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 854.349604][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 854.357598][ T4414] usb 4-1: Product: syz [ 854.359133][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 854.361823][ T4414] usb 4-1: Manufacturer: syz [ 854.370895][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 854.375451][ T4414] usb 4-1: SerialNumber: syz [ 854.383443][ T30] usb 2-1: Product: syz [ 854.388343][ T5592] usb 3-1: new high-speed USB device number 45 using dummy_hcd [ 854.392312][ T30] usb 2-1: Manufacturer: syz [ 854.404457][ T30] usb 2-1: SerialNumber: syz [ 854.414259][ T30] usb 2-1: config 0 descriptor?? [ 854.419800][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 854.428854][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 854.436989][ T4925] usb 5-1: Product: syz [ 854.441213][ T4925] usb 5-1: Manufacturer: syz [ 854.445813][ T4925] usb 5-1: SerialNumber: syz [ 854.453245][ T4925] usb 5-1: config 0 descriptor?? [ 854.462838][ T4414] usb 4-1: config 0 descriptor?? [ 854.529151][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 854.538261][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 854.546853][ T5121] usb 6-1: Product: syz [ 854.551093][ T5121] usb 6-1: Manufacturer: syz [ 854.555835][ T5121] usb 6-1: SerialNumber: syz [ 854.561128][ T4501] usb 1-1: new high-speed USB device number 45 using dummy_hcd [ 854.581348][ T5121] usb 6-1: config 0 descriptor?? [ 854.690449][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 854.697895][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 854.729914][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 854.737524][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 854.745937][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 854.756145][ T4925] Workqueue: usb_hub_wq hub_event [ 854.761181][ T4925] Call Trace: [ 854.764468][ T4925] dump_stack+0x107/0x163 [ 854.768796][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 854.773940][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 854.779393][ T4925] sysfs_create_link+0x5f/0xc0 [ 854.784336][ T4925] device_add+0x79a/0x1ce0 [ 854.788759][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 854.794445][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 854.799970][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 854.805781][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 854.810713][ T4925] tty_register_device_attr+0x395/0x7b0 [ 854.816258][ T4925] ? put_tty_driver+0xa0/0xa0 [ 854.820940][ T4925] ? mark_held_locks+0x9f/0xe0 [ 854.825711][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 854.831775][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 854.837837][ T4925] hso_serial_common_create+0x124/0x8b0 [ 854.843512][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 854.848787][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 854.854694][ T4925] hso_probe+0xef9/0x1f70 [ 854.859160][ T4925] usb_probe_interface+0x315/0x7f0 [ 854.864375][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 854.869747][ T4925] really_probe+0x291/0xde0 [ 854.874250][ T4925] driver_probe_device+0x26b/0x3d0 [ 854.879371][ T4925] __device_attach_driver+0x1d1/0x290 [ 854.884904][ T4925] ? driver_allows_async_probing+0x150/0x150 executing program [ 854.890890][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 854.895761][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 854.900805][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 854.906806][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 854.911859][ T4925] __device_attach+0x228/0x4a0 [ 854.916652][ T4925] ? really_probe+0xde0/0xde0 [ 854.921356][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 854.926813][ T4925] bus_probe_device+0x1e4/0x290 [ 854.931685][ T4925] device_add+0xbb2/0x1ce0 [ 854.936114][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 854.941483][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 854.947474][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 854.953366][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 854.958391][ T4925] usb_set_configuration+0x113c/0x1910 [ 854.963855][ T4925] usb_generic_driver_probe+0xba/0x100 [ 854.969313][ T4925] usb_probe_device+0xd9/0x2c0 [ 854.974071][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 854.980133][ T4925] really_probe+0x291/0xde0 [ 854.984630][ T4925] driver_probe_device+0x26b/0x3d0 [ 854.989735][ T4925] __device_attach_driver+0x1d1/0x290 [ 854.995100][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 855.001152][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 855.006000][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 855.011031][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.017011][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 855.022140][ T4925] __device_attach+0x228/0x4a0 [ 855.026902][ T4925] ? really_probe+0xde0/0xde0 [ 855.031578][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 855.036863][ T4925] bus_probe_device+0x1e4/0x290 [ 855.041708][ T4925] device_add+0xbb2/0x1ce0 [ 855.046122][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 855.051493][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 855.056602][ T4925] ? hub_disconnect+0x510/0x510 [ 855.061577][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 855.066509][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.072488][ T4925] hub_event+0x2348/0x42d0 [ 855.076901][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 855.082011][ T4925] ? __lock_acquire+0x821/0x54f0 [ 855.087050][ T4925] ? put_pwq+0xb1/0x1b0 [ 855.091198][ T4925] ? lock_release+0x6d0/0x6d0 [ 855.096370][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 855.101226][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 855.106376][ T4925] process_one_work+0x933/0x1520 [ 855.111304][ T4925] ? lock_release+0x6d0/0x6d0 [ 855.115974][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 855.121337][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 855.126268][ T4925] worker_thread+0x82b/0x1120 [ 855.130935][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 855.135951][ T4925] ? process_one_work+0x1520/0x1520 executing program executing program [ 855.141140][ T4925] kthread+0x38c/0x460 [ 855.145217][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 855.150406][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 855.156288][ T4925] ret_from_fork+0x1f/0x30 [ 855.166842][ T5121] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 855.174375][ T5121] CPU: 0 PID: 5121 Comm: kworker/0:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 855.182796][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 855.192874][ T5121] Workqueue: usb_hub_wq hub_event [ 855.198020][ T5121] Call Trace: [ 855.201668][ T5121] dump_stack+0x107/0x163 [ 855.206619][ T5121] sysfs_warn_dup.cold+0x1c/0x29 [ 855.211940][ T5121] sysfs_do_create_link_sd+0x11e/0x140 [ 855.218023][ T5121] sysfs_create_link+0x5f/0xc0 [ 855.222951][ T5121] device_add+0x79a/0x1ce0 [ 855.227381][ T5121] ? lockdep_init_map_waits+0x26a/0x700 [ 855.232930][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 855.238309][ T5121] ? __init_waitqueue_head+0x97/0x110 [ 855.243968][ T5121] ? pm_runtime_init+0x2cf/0x3b0 [ 855.249364][ T5121] tty_register_device_attr+0x395/0x7b0 [ 855.254918][ T5121] ? put_tty_driver+0xa0/0xa0 [ 855.259990][ T5121] ? mark_held_locks+0x9f/0xe0 [ 855.265868][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.272856][ T5121] ? tty_port_register_device_attr+0xbc/0x110 [ 855.279016][ T5121] hso_serial_common_create+0x124/0x8b0 [ 855.284713][ T5121] ? kasan_unpoison_shadow+0x33/0x40 [ 855.290638][ T5121] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 855.296995][ T5121] hso_probe+0xef9/0x1f70 [ 855.301738][ T5121] usb_probe_interface+0x315/0x7f0 [ 855.307117][ T5121] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 855.313173][ T5121] really_probe+0x291/0xde0 [ 855.318212][ T5121] driver_probe_device+0x26b/0x3d0 [ 855.323499][ T5121] __device_attach_driver+0x1d1/0x290 [ 855.328882][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 855.334910][ T5121] bus_for_each_drv+0x15f/0x1e0 executing program [ 855.340265][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 855.346253][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.352577][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 855.358515][ T5121] __device_attach+0x228/0x4a0 [ 855.363708][ T5121] ? really_probe+0xde0/0xde0 [ 855.368397][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 855.373687][ T5121] bus_probe_device+0x1e4/0x290 [ 855.378544][ T5121] device_add+0xbb2/0x1ce0 [ 855.382964][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 855.388726][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.394721][ T5121] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 855.400611][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 855.406347][ T5121] usb_set_configuration+0x113c/0x1910 [ 855.411822][ T5121] usb_generic_driver_probe+0xba/0x100 [ 855.417286][ T5121] usb_probe_device+0xd9/0x2c0 [ 855.422583][ T5121] ? usb_driver_release_interface+0x180/0x180 [ 855.428870][ T5121] really_probe+0x291/0xde0 [ 855.433385][ T5121] driver_probe_device+0x26b/0x3d0 [ 855.438766][ T5121] __device_attach_driver+0x1d1/0x290 [ 855.444277][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 855.450262][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 855.455273][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 855.460866][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.467851][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 855.473114][ T5121] __device_attach+0x228/0x4a0 [ 855.478238][ T5121] ? really_probe+0xde0/0xde0 [ 855.482920][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 855.488745][ T5121] bus_probe_device+0x1e4/0x290 [ 855.494090][ T5121] device_add+0xbb2/0x1ce0 [ 855.499130][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 855.504916][ T5121] usb_new_device.cold+0x71d/0xfe9 [ 855.511170][ T5121] ? hub_disconnect+0x510/0x510 [ 855.517105][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 855.522670][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 855.528914][ T5121] hub_event+0x2348/0x42d0 [ 855.533338][ T5121] ? hub_port_debounce+0x3b0/0x3b0 [ 855.538690][ T5121] ? __lock_acquire+0x821/0x54f0 [ 855.544749][ T5121] ? put_pwq+0xb1/0x1b0 [ 855.549555][ T5121] ? lock_release+0x6d0/0x6d0 [ 855.554280][ T5121] ? lock_downgrade+0x6d0/0x6d0 [ 855.559140][ T5121] ? do_raw_spin_lock+0x120/0x2b0 [ 855.564525][ T5121] process_one_work+0x933/0x1520 [ 855.570010][ T5121] ? lock_release+0x6d0/0x6d0 [ 855.575316][ T5121] ? pwq_dec_nr_in_flight+0x320/0x320 [ 855.580694][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 855.585934][ T5121] worker_thread+0x82b/0x1120 [ 855.590608][ T5121] ? __kthread_parkme+0x118/0x1d0 [ 855.595660][ T5121] ? process_one_work+0x1520/0x1520 [ 855.600852][ T5121] kthread+0x38c/0x460 [ 855.604919][ T5121] ? _raw_spin_unlock_irq+0x1f/0x30 [ 855.610100][ T5121] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 855.616103][ T5121] ret_from_fork+0x1f/0x30 [ 855.621940][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 855.629057][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 855.636906][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 855.638659][ T30] usb 2-1: USB disconnect, device number 46 [ 855.646293][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 855.711795][ T4414] usb 4-1: USB disconnect, device number 44 [ 855.735865][ T5121] usb 6-1: USB disconnect, device number 46 [ 855.741970][ T4925] usb 5-1: USB disconnect, device number 44 [ 855.849144][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 855.858266][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 855.866301][ T5592] usb 3-1: Product: syz [ 855.870827][ T5592] usb 3-1: Manufacturer: syz [ 855.875485][ T5592] usb 3-1: SerialNumber: syz [ 855.884493][ T5592] usb 3-1: config 0 descriptor?? [ 856.039001][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 856.048100][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 856.048949][ T30] usb 2-1: new high-speed USB device number 47 using dummy_hcd [ 856.056413][ T4501] usb 1-1: Product: syz [ 856.068985][ T4501] usb 1-1: Manufacturer: syz [ 856.073783][ T4501] usb 1-1: SerialNumber: syz [ 856.080348][ T4501] usb 1-1: config 0 descriptor?? [ 856.159383][ T4925] usb 5-1: new high-speed USB device number 45 using dummy_hcd [ 856.167056][ T5121] usb 6-1: new high-speed USB device number 47 using dummy_hcd [ 856.174729][ T4414] usb 4-1: new high-speed USB device number 45 using dummy_hcd [ 856.183058][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 856.193484][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 856.359632][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 856.367483][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 856.373589][ T4806] usb 3-1: USB disconnect, device number 45 executing program [ 856.560560][ T4492] usb 1-1: USB disconnect, device number 45 [ 856.589329][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 856.598393][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 856.606546][ T30] usb 2-1: Product: syz [ 856.611250][ T30] usb 2-1: Manufacturer: syz [ 856.616459][ T30] usb 2-1: SerialNumber: syz [ 856.623311][ T30] usb 2-1: config 0 descriptor?? [ 856.769166][ T4806] usb 3-1: new high-speed USB device number 46 using dummy_hcd [ 856.829063][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 856.838169][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 856.846210][ T4414] usb 4-1: Product: syz [ 856.850422][ T4414] usb 4-1: Manufacturer: syz [ 856.855766][ T4414] usb 4-1: SerialNumber: syz [ 856.860482][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 856.869569][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 856.877584][ T5121] usb 6-1: Product: syz [ 856.879975][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 856.881779][ T5121] usb 6-1: Manufacturer: syz [ 856.881793][ T5121] usb 6-1: SerialNumber: syz [ 856.881879][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 856.890121][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected [ 856.892111][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 856.918884][ T4492] usb 1-1: new high-speed USB device number 46 using dummy_hcd [ 856.921065][ T4925] usb 5-1: Product: syz [ 856.921079][ T4925] usb 5-1: Manufacturer: syz [ 856.921092][ T4925] usb 5-1: SerialNumber: syz [ 856.943172][ T4925] usb 5-1: config 0 descriptor?? [ 856.949182][ T4414] usb 4-1: config 0 descriptor?? [ 856.955174][ T5121] usb 6-1: config 0 descriptor?? executing program [ 857.081071][ T4501] usb 2-1: USB disconnect, device number 47 [ 857.209703][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 857.217306][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 857.225701][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 857.235762][ T4925] Workqueue: usb_hub_wq hub_event [ 857.240789][ T4925] Call Trace: [ 857.244089][ T4925] dump_stack+0x107/0x163 [ 857.248402][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 857.253328][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 857.258777][ T4925] sysfs_create_link+0x5f/0xc0 [ 857.263536][ T4925] device_add+0x79a/0x1ce0 [ 857.267936][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 857.273726][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 857.279091][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 857.284470][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 857.288928][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 857.289411][ T4925] tty_register_device_attr+0x395/0x7b0 [ 857.298410][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 857.303927][ T4925] ? put_tty_driver+0xa0/0xa0 [ 857.303940][ T4925] ? mark_held_locks+0x9f/0xe0 [ 857.303954][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.303967][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 857.303985][ T4925] hso_serial_common_create+0x124/0x8b0 [ 857.304001][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 857.304016][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 857.304030][ T4925] hso_probe+0xef9/0x1f70 [ 857.304044][ T4925] usb_probe_interface+0x315/0x7f0 [ 857.304063][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 857.312035][ T4806] usb 3-1: Product: syz [ 857.316663][ T4925] really_probe+0x291/0xde0 [ 857.316682][ T4925] driver_probe_device+0x26b/0x3d0 [ 857.321465][ T4806] usb 3-1: Manufacturer: syz [ 857.327392][ T4925] __device_attach_driver+0x1d1/0x290 [ 857.333451][ T4806] usb 3-1: SerialNumber: syz [ 857.338952][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 857.338966][ T4925] bus_for_each_drv+0x15f/0x1e0 executing program [ 857.338979][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 857.339000][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.412694][ T4806] usb 3-1: config 0 descriptor?? [ 857.417892][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 857.417910][ T4925] __device_attach+0x228/0x4a0 [ 857.417924][ T4925] ? really_probe+0xde0/0xde0 [ 857.417940][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 857.417953][ T4925] bus_probe_device+0x1e4/0x290 [ 857.417970][ T4925] device_add+0xbb2/0x1ce0 [ 857.452170][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 857.457738][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.463903][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 857.469716][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 857.474889][ T4925] usb_set_configuration+0x113c/0x1910 [ 857.480353][ T4925] usb_generic_driver_probe+0xba/0x100 [ 857.485826][ T4925] usb_probe_device+0xd9/0x2c0 [ 857.490987][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 857.497062][ T4925] really_probe+0x291/0xde0 [ 857.501644][ T4925] driver_probe_device+0x26b/0x3d0 [ 857.506765][ T4925] __device_attach_driver+0x1d1/0x290 [ 857.512150][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 857.518137][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 857.518970][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 857.523026][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 857.523044][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.523057][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 857.523072][ T4925] __device_attach+0x228/0x4a0 [ 857.523086][ T4925] ? really_probe+0xde0/0xde0 [ 857.523106][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 857.532149][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 857.537373][ T4925] bus_probe_device+0x1e4/0x290 [ 857.543390][ T4492] usb 1-1: Product: syz [ 857.548328][ T4925] device_add+0xbb2/0x1ce0 [ 857.553138][ T4492] usb 1-1: Manufacturer: syz [ 857.557753][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 857.563070][ T4492] usb 1-1: SerialNumber: syz [ 857.570969][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 857.570986][ T4925] ? hub_disconnect+0x510/0x510 [ 857.571001][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 857.571013][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.571033][ T4925] hub_event+0x2348/0x42d0 [ 857.624368][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 857.629491][ T4925] ? __lock_acquire+0x821/0x54f0 [ 857.634436][ T4925] ? put_pwq+0xb1/0x1b0 [ 857.638960][ T4925] ? lock_release+0x6d0/0x6d0 [ 857.643726][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 857.648613][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 857.653650][ T4925] process_one_work+0x933/0x1520 executing program [ 857.658598][ T4925] ? lock_release+0x6d0/0x6d0 [ 857.665891][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 857.670435][ T4492] usb 1-1: config 0 descriptor?? [ 857.671268][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 857.681119][ T4925] worker_thread+0x82b/0x1120 [ 857.685804][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 857.689344][ T4806] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 857.690827][ T4925] ? process_one_work+0x1520/0x1520 [ 857.690842][ T4925] kthread+0x38c/0x460 [ 857.690860][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 857.690875][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 857.690895][ T4925] ret_from_fork+0x1f/0x30 [ 857.722996][ T4806] CPU: 1 PID: 4806 Comm: kworker/1:8 Not tainted 5.10.0-rc7-syzkaller #0 [ 857.723520][ T5121] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 857.731397][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 857.731413][ T4806] Workqueue: usb_hub_wq hub_event [ 857.731432][ T4806] Call Trace: [ 857.757187][ T4806] dump_stack+0x107/0x163 [ 857.761503][ T4806] sysfs_warn_dup.cold+0x1c/0x29 [ 857.766429][ T4806] sysfs_do_create_link_sd+0x11e/0x140 [ 857.771976][ T4806] sysfs_create_link+0x5f/0xc0 [ 857.776724][ T4806] device_add+0x79a/0x1ce0 [ 857.781129][ T4806] ? lockdep_init_map_waits+0x26a/0x700 [ 857.786661][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 857.792019][ T4806] ? __init_waitqueue_head+0x97/0x110 [ 857.797376][ T4806] ? pm_runtime_init+0x2cf/0x3b0 [ 857.802299][ T4806] tty_register_device_attr+0x395/0x7b0 [ 857.807831][ T4806] ? put_tty_driver+0xa0/0xa0 [ 857.812498][ T4806] ? mark_held_locks+0x9f/0xe0 [ 857.817248][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.823228][ T4806] ? tty_port_register_device_attr+0xbc/0x110 [ 857.829291][ T4806] hso_serial_common_create+0x124/0x8b0 [ 857.834823][ T4806] ? kasan_unpoison_shadow+0x33/0x40 [ 857.840115][ T4806] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 857.845907][ T4806] hso_probe+0xef9/0x1f70 [ 857.850224][ T4806] usb_probe_interface+0x315/0x7f0 [ 857.855344][ T4806] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 857.860700][ T4806] really_probe+0x291/0xde0 [ 857.865195][ T4806] driver_probe_device+0x26b/0x3d0 [ 857.870292][ T4806] __device_attach_driver+0x1d1/0x290 [ 857.875649][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 857.881627][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 857.886465][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 857.891475][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.897439][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 857.902450][ T4806] __device_attach+0x228/0x4a0 [ 857.907200][ T4806] ? really_probe+0xde0/0xde0 [ 857.911864][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 857.917136][ T4806] bus_probe_device+0x1e4/0x290 [ 857.921974][ T4806] device_add+0xbb2/0x1ce0 [ 857.926374][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 857.931737][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 857.937704][ T4806] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 857.943499][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 857.948512][ T4806] usb_set_configuration+0x113c/0x1910 [ 857.953957][ T4806] usb_generic_driver_probe+0xba/0x100 [ 857.959401][ T4806] usb_probe_device+0xd9/0x2c0 [ 857.964149][ T4806] ? usb_driver_release_interface+0x180/0x180 [ 857.970200][ T4806] really_probe+0x291/0xde0 [ 857.974690][ T4806] driver_probe_device+0x26b/0x3d0 [ 857.979791][ T4806] __device_attach_driver+0x1d1/0x290 [ 857.985150][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 857.991111][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 857.995948][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 858.000957][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.006920][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 858.011930][ T4806] __device_attach+0x228/0x4a0 [ 858.016678][ T4806] ? really_probe+0xde0/0xde0 [ 858.021340][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 858.026613][ T4806] bus_probe_device+0x1e4/0x290 [ 858.031448][ T4806] device_add+0xbb2/0x1ce0 [ 858.035848][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 858.041209][ T4806] usb_new_device.cold+0x71d/0xfe9 [ 858.046308][ T4806] ? hub_disconnect+0x510/0x510 [ 858.051153][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 858.056078][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.062068][ T4806] hub_event+0x2348/0x42d0 [ 858.066471][ T4806] ? hub_port_debounce+0x3b0/0x3b0 [ 858.071590][ T4806] ? __lock_acquire+0x820/0x54f0 [ 858.076511][ T4806] ? put_pwq+0xb1/0x1b0 [ 858.080653][ T4806] ? lock_release+0x6d0/0x6d0 [ 858.085318][ T4806] ? lock_downgrade+0x6d0/0x6d0 [ 858.090152][ T4806] ? do_raw_spin_lock+0x120/0x2b0 [ 858.095164][ T4806] process_one_work+0x933/0x1520 [ 858.100090][ T4806] ? lock_release+0x6d0/0x6d0 [ 858.104754][ T4806] ? pwq_dec_nr_in_flight+0x320/0x320 [ 858.110113][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 858.115036][ T4806] worker_thread+0x64c/0x1120 [ 858.119702][ T4806] ? __kthread_parkme+0x118/0x1d0 [ 858.124717][ T4806] ? process_one_work+0x1520/0x1520 [ 858.129910][ T4806] kthread+0x38c/0x460 [ 858.133967][ T4806] ? _raw_spin_unlock_irq+0x1f/0x30 [ 858.139152][ T4806] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 858.145034][ T4806] ret_from_fork+0x1f/0x30 [ 858.149441][ T5121] CPU: 0 PID: 5121 Comm: kworker/0:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 858.157857][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 858.167930][ T5121] Workqueue: usb_hub_wq hub_event [ 858.172942][ T5121] Call Trace: [ 858.176222][ T5121] dump_stack+0x107/0x163 [ 858.180560][ T5121] sysfs_warn_dup.cold+0x1c/0x29 [ 858.185488][ T5121] sysfs_do_create_link_sd+0x11e/0x140 [ 858.190939][ T5121] sysfs_create_link+0x5f/0xc0 [ 858.195688][ T5121] device_add+0x79a/0x1ce0 [ 858.200091][ T5121] ? lockdep_init_map_waits+0x26a/0x700 [ 858.205621][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 858.210979][ T5121] ? __init_waitqueue_head+0x97/0x110 [ 858.216337][ T5121] ? pm_runtime_init+0x2cf/0x3b0 [ 858.221263][ T5121] tty_register_device_attr+0x395/0x7b0 [ 858.226796][ T5121] ? put_tty_driver+0xa0/0xa0 [ 858.231457][ T5121] ? mark_held_locks+0x9f/0xe0 [ 858.236210][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.242198][ T5121] ? tty_port_register_device_attr+0xbc/0x110 [ 858.248253][ T5121] hso_serial_common_create+0x124/0x8b0 [ 858.253788][ T5121] ? kasan_unpoison_shadow+0x33/0x40 [ 858.259170][ T5121] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 858.264969][ T5121] hso_probe+0xef9/0x1f70 [ 858.269283][ T5121] usb_probe_interface+0x315/0x7f0 [ 858.274395][ T5121] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 858.279754][ T5121] really_probe+0x291/0xde0 [ 858.284258][ T5121] driver_probe_device+0x26b/0x3d0 [ 858.289354][ T5121] __device_attach_driver+0x1d1/0x290 [ 858.294711][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 858.300713][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 858.305578][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 858.310589][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.316575][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 858.321583][ T5121] __device_attach+0x228/0x4a0 [ 858.326331][ T5121] ? really_probe+0xde0/0xde0 [ 858.331013][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 858.336282][ T5121] bus_probe_device+0x1e4/0x290 [ 858.341115][ T5121] device_add+0xbb2/0x1ce0 [ 858.345516][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 858.350873][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.356838][ T5121] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 858.362643][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 858.367652][ T5121] usb_set_configuration+0x113c/0x1910 [ 858.373095][ T5121] usb_generic_driver_probe+0xba/0x100 [ 858.378555][ T5121] usb_probe_device+0xd9/0x2c0 [ 858.383306][ T5121] ? usb_driver_release_interface+0x180/0x180 [ 858.389370][ T5121] really_probe+0x291/0xde0 [ 858.393867][ T5121] driver_probe_device+0x26b/0x3d0 [ 858.398970][ T5121] __device_attach_driver+0x1d1/0x290 [ 858.404343][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 858.410313][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 858.415150][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 858.420159][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.426120][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 858.431128][ T5121] __device_attach+0x228/0x4a0 [ 858.435877][ T5121] ? really_probe+0xde0/0xde0 [ 858.440540][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 858.445807][ T5121] bus_probe_device+0x1e4/0x290 [ 858.450641][ T5121] device_add+0xbb2/0x1ce0 [ 858.455041][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 858.460429][ T5121] usb_new_device.cold+0x71d/0xfe9 [ 858.465526][ T5121] ? hub_disconnect+0x510/0x510 [ 858.470361][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 858.475301][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 858.481264][ T5121] hub_event+0x2348/0x42d0 [ 858.485666][ T5121] ? hub_port_debounce+0x3b0/0x3b0 [ 858.490762][ T5121] ? __lock_acquire+0x821/0x54f0 [ 858.495702][ T5121] ? put_pwq+0xb1/0x1b0 [ 858.499858][ T5121] ? lock_release+0x6d0/0x6d0 [ 858.504519][ T5121] ? lock_downgrade+0x6d0/0x6d0 [ 858.509356][ T5121] ? do_raw_spin_lock+0x120/0x2b0 [ 858.514396][ T5121] process_one_work+0x933/0x1520 [ 858.519337][ T5121] ? lock_release+0x6d0/0x6d0 [ 858.524000][ T5121] ? pwq_dec_nr_in_flight+0x320/0x320 [ 858.529357][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 858.534278][ T5121] worker_thread+0x82b/0x1120 [ 858.538939][ T5121] ? __kthread_parkme+0x118/0x1d0 [ 858.543947][ T5121] ? process_one_work+0x1520/0x1520 [ 858.549126][ T5121] kthread+0x38c/0x460 [ 858.553324][ T5121] ? _raw_spin_unlock_irq+0x1f/0x30 [ 858.558533][ T5121] ? kthread_create_worker_on_cpu+0xf0/0xf0 executing program [ 858.564414][ T5121] ret_from_fork+0x1f/0x30 [ 858.571798][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 858.589006][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 858.670579][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 858.678333][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 858.690617][ T4414] usb 4-1: USB disconnect, device number 45 executing program [ 858.718209][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 858.754661][ T4925] usb 5-1: USB disconnect, device number 45 [ 858.784525][ T5121] usb 6-1: USB disconnect, device number 47 [ 858.786411][ T4806] usb 3-1: USB disconnect, device number 46 [ 858.819727][ T4501] usb 2-1: new high-speed USB device number 48 using dummy_hcd [ 858.860716][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 858.869879][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected executing program [ 859.060691][ T30] usb 1-1: USB disconnect, device number 46 [ 859.069573][ T4414] usb 4-1: new high-speed USB device number 46 using dummy_hcd [ 859.129620][ T4925] usb 5-1: new high-speed USB device number 46 using dummy_hcd [ 859.169115][ T4806] usb 3-1: new high-speed USB device number 47 using dummy_hcd [ 859.169344][ T5121] usb 6-1: new high-speed USB device number 48 using dummy_hcd [ 859.418706][ T30] usb 1-1: new high-speed USB device number 47 using dummy_hcd [ 859.428866][ T4501] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.438013][ T4501] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.446049][ T4501] usb 2-1: Product: syz [ 859.450384][ T4501] usb 2-1: Manufacturer: syz [ 859.454980][ T4501] usb 2-1: SerialNumber: syz [ 859.463421][ T4501] usb 2-1: config 0 descriptor?? [ 859.688772][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.697857][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.706637][ T4806] usb 3-1: Product: syz [ 859.710844][ T4806] usb 3-1: Manufacturer: syz [ 859.715920][ T4806] usb 3-1: SerialNumber: syz [ 859.722065][ T4806] usb 3-1: config 0 descriptor?? [ 859.729875][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.739264][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.747248][ T4414] usb 4-1: Product: syz [ 859.751567][ T4414] usb 4-1: Manufacturer: syz [ 859.756416][ T4414] usb 4-1: SerialNumber: syz [ 859.762469][ T4501] hso 2-1:0.0: Failed to find BULK IN ep [ 859.769108][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.778167][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.786251][ T4925] usb 5-1: Product: syz [ 859.790447][ T4925] usb 5-1: Manufacturer: syz [ 859.795056][ T4925] usb 5-1: SerialNumber: syz [ 859.804727][ T4501] usb-storage 2-1:0.0: USB Mass Storage device detected [ 859.818217][ T4925] usb 5-1: config 0 descriptor?? [ 859.825248][ T4414] usb 4-1: config 0 descriptor?? [ 859.859002][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.868145][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.877026][ T5121] usb 6-1: Product: syz [ 859.881228][ T5121] usb 6-1: Manufacturer: syz [ 859.885986][ T5121] usb 6-1: SerialNumber: syz [ 859.907538][ T5121] usb 6-1: config 0 descriptor?? executing program [ 859.931875][ T4501] usb 2-1: USB disconnect, device number 48 [ 859.979736][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 859.988839][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 859.996819][ T30] usb 1-1: Product: syz [ 860.001092][ T30] usb 1-1: Manufacturer: syz [ 860.005704][ T30] usb 1-1: SerialNumber: syz [ 860.012103][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 860.022751][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 860.035737][ T30] usb 1-1: config 0 descriptor?? [ 860.099929][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 860.107502][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 860.115920][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 860.125993][ T4925] Workqueue: usb_hub_wq hub_event [ 860.131028][ T4925] Call Trace: [ 860.134326][ T4925] dump_stack+0x107/0x163 [ 860.138665][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 860.143670][ T4925] sysfs_do_create_link_sd+0x11e/0x140 executing program [ 860.149112][ T4925] sysfs_create_link+0x5f/0xc0 [ 860.153855][ T4925] device_add+0x79a/0x1ce0 [ 860.158255][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 860.163781][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 860.169134][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 860.174530][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 860.179459][ T4925] tty_register_device_attr+0x395/0x7b0 [ 860.183623][ T4806] usb 3-1: USB disconnect, device number 47 [ 860.185001][ T4925] ? put_tty_driver+0xa0/0xa0 [ 860.185017][ T4925] ? mark_held_locks+0x9f/0xe0 [ 860.185033][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.185047][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 860.185064][ T4925] hso_serial_common_create+0x124/0x8b0 [ 860.185086][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 860.223195][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 860.229012][ T4925] hso_probe+0xef9/0x1f70 [ 860.233351][ T4925] usb_probe_interface+0x315/0x7f0 [ 860.238469][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 860.243849][ T4925] really_probe+0x291/0xde0 [ 860.248712][ T4925] driver_probe_device+0x26b/0x3d0 [ 860.254091][ T4925] __device_attach_driver+0x1d1/0x290 [ 860.260163][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 860.266619][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 860.271793][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 860.276938][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.283216][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.288574][ T4925] __device_attach+0x228/0x4a0 [ 860.293603][ T4925] ? really_probe+0xde0/0xde0 executing program [ 860.298685][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 860.304065][ T4925] bus_probe_device+0x1e4/0x290 [ 860.308922][ T4925] device_add+0xbb2/0x1ce0 [ 860.313356][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 860.318733][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.324719][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 860.330547][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.335584][ T4925] usb_set_configuration+0x113c/0x1910 [ 860.341051][ T4925] usb_generic_driver_probe+0xba/0x100 [ 860.346524][ T4925] usb_probe_device+0xd9/0x2c0 [ 860.351308][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 860.358071][ T4925] really_probe+0x291/0xde0 [ 860.362585][ T4925] driver_probe_device+0x26b/0x3d0 [ 860.367702][ T4925] __device_attach_driver+0x1d1/0x290 [ 860.373080][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 860.379382][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 860.384237][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 860.389272][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.395317][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.400842][ T4925] __device_attach+0x228/0x4a0 [ 860.405663][ T4925] ? really_probe+0xde0/0xde0 [ 860.410809][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 860.416099][ T4925] bus_probe_device+0x1e4/0x290 [ 860.421187][ T4925] device_add+0xbb2/0x1ce0 [ 860.426239][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 860.431620][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 860.437146][ T4925] ? hub_disconnect+0x510/0x510 [ 860.442366][ T4925] ? rwlock_bug.part.0+0x90/0x90 executing program [ 860.447556][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.453915][ T4925] hub_event+0x2348/0x42d0 [ 860.458998][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 860.464621][ T4925] ? __lock_acquire+0x821/0x54f0 [ 860.470289][ T4925] ? put_pwq+0xb1/0x1b0 [ 860.474452][ T4925] ? lock_release+0x6d0/0x6d0 [ 860.479135][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 860.484094][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 860.489205][ T4925] process_one_work+0x933/0x1520 [ 860.494271][ T4925] ? lock_release+0x6d0/0x6d0 [ 860.498954][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 860.504423][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 860.509368][ T4925] worker_thread+0x82b/0x1120 [ 860.514636][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 860.519942][ T4925] ? process_one_work+0x1520/0x1520 [ 860.525562][ T4925] kthread+0x38c/0x460 [ 860.529641][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 860.534841][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 860.541253][ T4925] ret_from_fork+0x1f/0x30 [ 860.547749][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 860.551638][ T30] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 860.554176][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 860.560899][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 860.560910][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 860.560927][ T30] Workqueue: usb_hub_wq hub_event [ 860.560938][ T30] Call Trace: [ 860.560955][ T30] dump_stack+0x107/0x163 [ 860.560975][ T30] sysfs_warn_dup.cold+0x1c/0x29 [ 860.568263][ T5121] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 860.576126][ T30] sysfs_do_create_link_sd+0x11e/0x140 [ 860.576140][ T30] sysfs_create_link+0x5f/0xc0 [ 860.576153][ T30] device_add+0x79a/0x1ce0 [ 860.576174][ T30] ? lockdep_init_map_waits+0x26a/0x700 [ 860.631197][ T30] ? devlink_add_symlinks+0x450/0x450 [ 860.636559][ T30] ? __init_waitqueue_head+0x97/0x110 [ 860.641915][ T30] ? pm_runtime_init+0x2cf/0x3b0 [ 860.646837][ T30] tty_register_device_attr+0x395/0x7b0 [ 860.652368][ T30] ? put_tty_driver+0xa0/0xa0 [ 860.657031][ T30] ? mark_held_locks+0x9f/0xe0 [ 860.661783][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.667748][ T30] ? tty_port_register_device_attr+0xbc/0x110 [ 860.673817][ T30] hso_serial_common_create+0x124/0x8b0 [ 860.679363][ T30] ? kasan_unpoison_shadow+0x33/0x40 [ 860.684632][ T30] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 860.690423][ T30] hso_probe+0xef9/0x1f70 [ 860.694738][ T30] usb_probe_interface+0x315/0x7f0 [ 860.699833][ T30] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 860.705202][ T30] really_probe+0x291/0xde0 [ 860.709691][ T30] driver_probe_device+0x26b/0x3d0 [ 860.714790][ T30] __device_attach_driver+0x1d1/0x290 [ 860.720150][ T30] ? driver_allows_async_probing+0x150/0x150 [ 860.726116][ T30] bus_for_each_drv+0x15f/0x1e0 [ 860.730953][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 860.735961][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.741935][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.746957][ T30] __device_attach+0x228/0x4a0 [ 860.751706][ T30] ? really_probe+0xde0/0xde0 [ 860.756367][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 860.761636][ T30] bus_probe_device+0x1e4/0x290 [ 860.766471][ T30] device_add+0xbb2/0x1ce0 [ 860.770884][ T30] ? devlink_add_symlinks+0x450/0x450 [ 860.776241][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.782221][ T30] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 860.788009][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.793017][ T30] usb_set_configuration+0x113c/0x1910 [ 860.798461][ T30] usb_generic_driver_probe+0xba/0x100 [ 860.803904][ T30] usb_probe_device+0xd9/0x2c0 [ 860.808653][ T30] ? usb_driver_release_interface+0x180/0x180 [ 860.814715][ T30] really_probe+0x291/0xde0 [ 860.819202][ T30] driver_probe_device+0x26b/0x3d0 [ 860.824299][ T30] __device_attach_driver+0x1d1/0x290 [ 860.829658][ T30] ? driver_allows_async_probing+0x150/0x150 [ 860.835621][ T30] bus_for_each_drv+0x15f/0x1e0 [ 860.840454][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 860.845462][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.851424][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 860.856430][ T30] __device_attach+0x228/0x4a0 [ 860.861180][ T30] ? really_probe+0xde0/0xde0 [ 860.865842][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 860.871110][ T30] bus_probe_device+0x1e4/0x290 [ 860.875944][ T30] device_add+0xbb2/0x1ce0 [ 860.880345][ T30] ? devlink_add_symlinks+0x450/0x450 [ 860.885703][ T30] usb_new_device.cold+0x71d/0xfe9 [ 860.890800][ T30] ? hub_disconnect+0x510/0x510 [ 860.895634][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 860.900555][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 860.906519][ T30] hub_event+0x2348/0x42d0 [ 860.910923][ T30] ? hub_port_debounce+0x3b0/0x3b0 [ 860.916019][ T30] ? __lock_acquire+0x820/0x54f0 [ 860.920941][ T30] ? put_pwq+0xb1/0x1b0 [ 860.925080][ T30] ? lock_release+0x6d0/0x6d0 [ 860.929740][ T30] ? lock_downgrade+0x6d0/0x6d0 [ 860.934576][ T30] ? do_raw_spin_lock+0x120/0x2b0 [ 860.939584][ T30] process_one_work+0x933/0x1520 [ 860.944503][ T30] ? lock_release+0x6d0/0x6d0 [ 860.949169][ T30] ? pwq_dec_nr_in_flight+0x320/0x320 [ 860.954526][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 860.959450][ T30] worker_thread+0x64c/0x1120 [ 860.964723][ T30] ? __kthread_parkme+0x118/0x1d0 [ 860.969745][ T30] ? process_one_work+0x1520/0x1520 [ 860.974925][ T30] kthread+0x38c/0x460 [ 860.978982][ T30] ? _raw_spin_unlock_irq+0x1f/0x30 [ 860.984168][ T30] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 860.990044][ T30] ret_from_fork+0x1f/0x30 [ 860.994450][ T5121] CPU: 0 PID: 5121 Comm: kworker/0:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 860.994624][ T4806] usb 3-1: new high-speed USB device number 48 using dummy_hcd [ 861.002864][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 861.002881][ T5121] Workqueue: usb_hub_wq hub_event [ 861.002893][ T5121] Call Trace: [ 861.002909][ T5121] dump_stack+0x107/0x163 [ 861.002922][ T5121] sysfs_warn_dup.cold+0x1c/0x29 [ 861.002939][ T5121] sysfs_do_create_link_sd+0x11e/0x140 [ 861.002952][ T5121] sysfs_create_link+0x5f/0xc0 [ 861.002966][ T5121] device_add+0x79a/0x1ce0 [ 861.002980][ T5121] ? lockdep_init_map_waits+0x26a/0x700 [ 861.002993][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 861.003008][ T5121] ? __init_waitqueue_head+0x97/0x110 [ 861.003022][ T5121] ? pm_runtime_init+0x2cf/0x3b0 [ 861.003039][ T5121] tty_register_device_attr+0x395/0x7b0 [ 861.003052][ T5121] ? put_tty_driver+0xa0/0xa0 [ 861.003066][ T5121] ? mark_held_locks+0x9f/0xe0 [ 861.003080][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 861.003094][ T5121] ? tty_port_register_device_attr+0xbc/0x110 [ 861.003112][ T5121] hso_serial_common_create+0x124/0x8b0 [ 861.003128][ T5121] ? kasan_unpoison_shadow+0x33/0x40 [ 861.003148][ T5121] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 861.124049][ T5121] hso_probe+0xef9/0x1f70 [ 861.128387][ T5121] usb_probe_interface+0x315/0x7f0 [ 861.133652][ T5121] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 861.139041][ T5121] really_probe+0x291/0xde0 [ 861.144276][ T5121] driver_probe_device+0x26b/0x3d0 [ 861.149694][ T5121] __device_attach_driver+0x1d1/0x290 [ 861.155105][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 861.161817][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 861.167118][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 861.172541][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 861.179239][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 861.184589][ T5121] __device_attach+0x228/0x4a0 [ 861.189911][ T5121] ? really_probe+0xde0/0xde0 [ 861.195173][ T5121] ? kobject_uevent_env+0x2bb/0x1680 executing program [ 861.200546][ T5121] bus_probe_device+0x1e4/0x290 [ 861.205854][ T5121] device_add+0xbb2/0x1ce0 [ 861.210274][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 861.215656][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 861.221649][ T5121] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 861.227461][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 861.232494][ T5121] usb_set_configuration+0x113c/0x1910 [ 861.237964][ T5121] usb_generic_driver_probe+0xba/0x100 [ 861.243405][ T5121] usb_probe_device+0xd9/0x2c0 [ 861.248155][ T5121] ? usb_driver_release_interface+0x180/0x180 [ 861.254203][ T5121] really_probe+0x291/0xde0 [ 861.258694][ T5121] driver_probe_device+0x26b/0x3d0 [ 861.263802][ T5121] __device_attach_driver+0x1d1/0x290 [ 861.269168][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 861.275142][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 861.279974][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 861.284980][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 861.290942][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 861.295952][ T5121] __device_attach+0x228/0x4a0 [ 861.300700][ T5121] ? really_probe+0xde0/0xde0 [ 861.305361][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 861.310631][ T5121] bus_probe_device+0x1e4/0x290 [ 861.315475][ T5121] device_add+0xbb2/0x1ce0 [ 861.319904][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 861.325280][ T5121] usb_new_device.cold+0x71d/0xfe9 [ 861.330383][ T5121] ? hub_disconnect+0x510/0x510 [ 861.335223][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 861.340150][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 861.346127][ T5121] hub_event+0x2348/0x42d0 [ 861.350543][ T5121] ? hub_port_debounce+0x3b0/0x3b0 [ 861.355643][ T5121] ? __lock_acquire+0x821/0x54f0 [ 861.360569][ T5121] ? put_pwq+0xb1/0x1b0 [ 861.364709][ T5121] ? lock_release+0x6d0/0x6d0 [ 861.369383][ T5121] ? lock_downgrade+0x6d0/0x6d0 [ 861.374218][ T5121] ? do_raw_spin_lock+0x120/0x2b0 [ 861.379225][ T5121] process_one_work+0x933/0x1520 [ 861.384144][ T5121] ? lock_release+0x6d0/0x6d0 [ 861.388804][ T5121] ? pwq_dec_nr_in_flight+0x320/0x320 [ 861.394156][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 861.399087][ T5121] worker_thread+0x82b/0x1120 [ 861.403746][ T5121] ? __kthread_parkme+0x118/0x1d0 [ 861.408754][ T5121] ? process_one_work+0x1520/0x1520 [ 861.413935][ T5121] kthread+0x38c/0x460 [ 861.418001][ T5121] ? _raw_spin_unlock_irq+0x1f/0x30 [ 861.423183][ T5121] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 861.429057][ T5121] ret_from_fork+0x1f/0x30 [ 861.434591][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 861.434680][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 861.503716][ T4925] usb 5-1: USB disconnect, device number 46 [ 861.523273][ T4414] usb 4-1: USB disconnect, device number 46 [ 861.533386][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 861.565266][ T30] usb 1-1: USB disconnect, device number 47 [ 861.589636][ T4501] usb 2-1: new high-speed USB device number 49 using dummy_hcd executing program [ 861.615508][ T4492] usb 6-1: USB disconnect, device number 48 [ 861.738655][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 861.747723][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 861.755867][ T4806] usb 3-1: Product: syz [ 861.760198][ T4806] usb 3-1: Manufacturer: syz [ 861.765323][ T4806] usb 3-1: SerialNumber: syz [ 861.773290][ T4806] usb 3-1: config 0 descriptor?? [ 861.898783][ T4925] usb 5-1: new high-speed USB device number 47 using dummy_hcd [ 861.906470][ T4414] usb 4-1: new high-speed USB device number 47 using dummy_hcd [ 861.968566][ T30] usb 1-1: new high-speed USB device number 48 using dummy_hcd [ 862.018624][ T4492] usb 6-1: new high-speed USB device number 49 using dummy_hcd [ 862.040085][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 862.047417][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 862.188771][ T4501] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 862.197821][ T4501] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 862.205898][ T4501] usb 2-1: Product: syz [ 862.210170][ T4501] usb 2-1: Manufacturer: syz [ 862.214769][ T4501] usb 2-1: SerialNumber: syz [ 862.221833][ T4501] usb 2-1: config 0 descriptor?? executing program [ 862.240437][ T5121] usb 3-1: USB disconnect, device number 48 [ 862.469395][ T4501] hso 2-1:0.0: Failed to find BULK IN ep [ 862.476875][ T4501] usb-storage 2-1:0.0: USB Mass Storage device detected [ 862.488691][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 862.497784][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 862.506173][ T30] usb 1-1: Product: syz [ 862.510819][ T30] usb 1-1: Manufacturer: syz [ 862.515419][ T30] usb 1-1: SerialNumber: syz [ 862.518715][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 862.524260][ T30] usb 1-1: config 0 descriptor?? [ 862.529382][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 862.542099][ T4925] usb 5-1: Product: syz [ 862.546261][ T4925] usb 5-1: Manufacturer: syz [ 862.550887][ T4925] usb 5-1: SerialNumber: syz [ 862.557303][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 862.566638][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 862.575259][ T4414] usb 4-1: Product: syz [ 862.579447][ T4414] usb 4-1: Manufacturer: syz [ 862.584028][ T4414] usb 4-1: SerialNumber: syz [ 862.592271][ T4414] usb 4-1: config 0 descriptor?? [ 862.598768][ T4925] usb 5-1: config 0 descriptor?? [ 862.599546][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 862.612847][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 862.620933][ T4492] usb 6-1: Product: syz [ 862.625096][ T4492] usb 6-1: Manufacturer: syz [ 862.629744][ T4492] usb 6-1: SerialNumber: syz [ 862.636011][ T4492] usb 6-1: config 0 descriptor?? [ 862.658662][ T5121] usb 3-1: new high-speed USB device number 49 using dummy_hcd executing program [ 862.671037][ T9299] usb 2-1: USB disconnect, device number 49 [ 862.819892][ T30] hso 1-1:0.0: Failed to find BULK IN ep [ 862.827287][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 862.869226][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 862.876711][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 862.885129][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 862.895213][ T4925] Workqueue: usb_hub_wq hub_event [ 862.898850][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 862.900217][ T4925] Call Trace: [ 862.900237][ T4925] dump_stack+0x107/0x163 [ 862.900252][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 862.900268][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 862.900288][ T4925] sysfs_create_link+0x5f/0xc0 [ 862.930355][ T4925] device_add+0x79a/0x1ce0 [ 862.934756][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 862.940283][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 862.945636][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 862.950995][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 862.955917][ T4925] tty_register_device_attr+0x395/0x7b0 [ 862.961449][ T4925] ? put_tty_driver+0xa0/0xa0 [ 862.966110][ T4925] ? mark_held_locks+0x9f/0xe0 [ 862.970856][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 862.976819][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 862.982870][ T4925] hso_serial_common_create+0x124/0x8b0 [ 862.988420][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 862.993697][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 862.999487][ T4925] hso_probe+0xef9/0x1f70 [ 863.003801][ T4925] usb_probe_interface+0x315/0x7f0 [ 863.008895][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 863.014251][ T4925] really_probe+0x291/0xde0 [ 863.018738][ T4925] driver_probe_device+0x26b/0x3d0 [ 863.023834][ T4925] __device_attach_driver+0x1d1/0x290 [ 863.029193][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 863.035157][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 863.039992][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 863.045015][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.050981][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.055988][ T4925] __device_attach+0x228/0x4a0 [ 863.060823][ T4925] ? really_probe+0xde0/0xde0 [ 863.065484][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 863.070754][ T4925] bus_probe_device+0x1e4/0x290 [ 863.075590][ T4925] device_add+0xbb2/0x1ce0 [ 863.080005][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 863.085362][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.091335][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 863.097141][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.102154][ T4925] usb_set_configuration+0x113c/0x1910 [ 863.107602][ T4925] usb_generic_driver_probe+0xba/0x100 [ 863.113223][ T4925] usb_probe_device+0xd9/0x2c0 [ 863.117973][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 863.124029][ T4925] really_probe+0x291/0xde0 [ 863.128522][ T4925] driver_probe_device+0x26b/0x3d0 [ 863.133621][ T4925] __device_attach_driver+0x1d1/0x290 [ 863.138982][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 863.144965][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 863.149802][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 863.154813][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.160776][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.165784][ T4925] __device_attach+0x228/0x4a0 [ 863.170533][ T4925] ? really_probe+0xde0/0xde0 [ 863.175195][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 863.180468][ T4925] bus_probe_device+0x1e4/0x290 [ 863.185301][ T4925] device_add+0xbb2/0x1ce0 [ 863.189716][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 863.195073][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 863.200170][ T4925] ? hub_disconnect+0x510/0x510 [ 863.205003][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 863.209924][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.215887][ T4925] hub_event+0x2348/0x42d0 [ 863.220304][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 863.225398][ T4925] ? __lock_acquire+0x821/0x54f0 [ 863.230407][ T4925] ? put_pwq+0xb1/0x1b0 [ 863.234547][ T4925] ? lock_release+0x6d0/0x6d0 [ 863.239209][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 863.244056][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 863.249067][ T4925] process_one_work+0x933/0x1520 [ 863.253988][ T4925] ? lock_release+0x6d0/0x6d0 [ 863.258651][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 863.264006][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 863.268931][ T4925] worker_thread+0x82b/0x1120 [ 863.273594][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 863.278603][ T4925] ? process_one_work+0x1520/0x1520 [ 863.283805][ T4925] kthread+0x38c/0x460 [ 863.287860][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 863.293046][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 863.298920][ T4925] ret_from_fork+0x1f/0x30 [ 863.303326][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 863.303963][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 863.311734][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 863.311750][ T4492] Workqueue: usb_hub_wq hub_event [ 863.311768][ T4492] Call Trace: [ 863.336017][ T4492] dump_stack+0x107/0x163 [ 863.340335][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 863.345260][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 863.350704][ T4492] sysfs_create_link+0x5f/0xc0 [ 863.355457][ T4492] device_add+0x79a/0x1ce0 [ 863.359862][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 863.365387][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 863.370744][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 863.376097][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 863.381063][ T4492] tty_register_device_attr+0x395/0x7b0 [ 863.386615][ T4492] ? put_tty_driver+0xa0/0xa0 [ 863.391293][ T4492] ? mark_held_locks+0x9f/0xe0 [ 863.396054][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.402031][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 863.408087][ T4492] hso_serial_common_create+0x124/0x8b0 [ 863.413620][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 863.418889][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 863.424677][ T4492] hso_probe+0xef9/0x1f70 [ 863.428990][ T4492] usb_probe_interface+0x315/0x7f0 [ 863.434082][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 863.439437][ T4492] really_probe+0x291/0xde0 [ 863.443922][ T4492] driver_probe_device+0x26b/0x3d0 [ 863.449017][ T4492] __device_attach_driver+0x1d1/0x290 [ 863.454370][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 863.460341][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 863.465172][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 863.470180][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.476140][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.481234][ T4492] __device_attach+0x228/0x4a0 [ 863.485978][ T4492] ? really_probe+0xde0/0xde0 [ 863.490660][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 863.495938][ T4492] bus_probe_device+0x1e4/0x290 [ 863.500769][ T4492] device_add+0xbb2/0x1ce0 [ 863.505169][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 863.510533][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.516508][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 863.522309][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.527315][ T4492] usb_set_configuration+0x113c/0x1910 [ 863.532756][ T4492] usb_generic_driver_probe+0xba/0x100 [ 863.538193][ T4492] usb_probe_device+0xd9/0x2c0 [ 863.542941][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 863.549004][ T4492] really_probe+0x291/0xde0 [ 863.553489][ T4492] driver_probe_device+0x26b/0x3d0 [ 863.558598][ T4492] __device_attach_driver+0x1d1/0x290 [ 863.563974][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 863.569943][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 863.574780][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 863.579790][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.585756][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 863.590764][ T4492] __device_attach+0x228/0x4a0 [ 863.595510][ T4492] ? really_probe+0xde0/0xde0 [ 863.600170][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 863.605437][ T4492] bus_probe_device+0x1e4/0x290 [ 863.610269][ T4492] device_add+0xbb2/0x1ce0 [ 863.614666][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 863.620023][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 863.625131][ T4492] ? hub_disconnect+0x510/0x510 [ 863.629965][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 863.634882][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 863.640842][ T4492] hub_event+0x2348/0x42d0 [ 863.645340][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 863.650432][ T4492] ? __lock_acquire+0x820/0x54f0 [ 863.655363][ T4492] ? put_pwq+0xb1/0x1b0 [ 863.659513][ T4492] ? lock_release+0x6d0/0x6d0 [ 863.664170][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 863.669016][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 863.674024][ T4492] process_one_work+0x933/0x1520 [ 863.678945][ T4492] ? lock_release+0x6d0/0x6d0 [ 863.683605][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 863.688974][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 863.693902][ T4492] worker_thread+0x64c/0x1120 [ 863.698660][ T4492] ? process_one_work+0x1520/0x1520 [ 863.703840][ T4492] kthread+0x38c/0x460 [ 863.707894][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 863.713073][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 863.718946][ T4492] ret_from_fork+0x1f/0x30 executing program executing program executing program [ 863.739359][ T30] usb 1-1: USB disconnect, device number 48 [ 863.762986][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected [ 863.798652][ T9299] usb 2-1: new high-speed USB device number 50 using dummy_hcd executing program [ 863.840991][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected [ 863.879050][ T4414] usb 4-1: USB disconnect, device number 47 [ 863.969498][ T4492] usb 6-1: USB disconnect, device number 49 [ 864.002146][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected [ 864.058712][ T4925] usb 5-1: USB disconnect, device number 47 [ 864.066060][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 864.075301][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 864.083644][ T5121] usb 3-1: Product: syz [ 864.088163][ T5121] usb 3-1: Manufacturer: syz [ 864.093621][ T5121] usb 3-1: SerialNumber: syz [ 864.108613][ T30] usb 1-1: new high-speed USB device number 49 using dummy_hcd [ 864.124063][ T5121] usb 3-1: config 0 descriptor?? [ 864.318466][ T4414] usb 4-1: new high-speed USB device number 48 using dummy_hcd [ 864.328623][ T4492] usb 6-1: new high-speed USB device number 50 using dummy_hcd [ 864.409150][ T9299] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 864.418225][ T9299] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 864.426262][ T9299] usb 2-1: Product: syz [ 864.431150][ T9299] usb 2-1: Manufacturer: syz [ 864.435810][ T9299] usb 2-1: SerialNumber: syz [ 864.441845][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 864.452014][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected [ 864.464213][ T9299] usb 2-1: config 0 descriptor?? [ 864.509552][ T4925] usb 5-1: new high-speed USB device number 48 using dummy_hcd executing program [ 864.610074][ T4806] usb 3-1: USB disconnect, device number 49 [ 864.628685][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 864.637790][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 864.645903][ T30] usb 1-1: Product: syz [ 864.650226][ T30] usb 1-1: Manufacturer: syz [ 864.654823][ T30] usb 1-1: SerialNumber: syz [ 864.664563][ T30] usb 1-1: config 0 descriptor?? [ 864.729599][ T9299] hso 2-1:0.0: Failed to find BULK IN ep [ 864.739585][ T9299] usb-storage 2-1:0.0: USB Mass Storage device detected [ 864.858499][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 864.867596][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 864.875690][ T4492] usb 6-1: Product: syz [ 864.879895][ T4492] usb 6-1: Manufacturer: syz [ 864.884476][ T4492] usb 6-1: SerialNumber: syz [ 864.900450][ T4492] usb 6-1: config 0 descriptor?? executing program [ 864.930123][ T9299] usb 2-1: USB disconnect, device number 50 [ 864.930456][ T30] hso 1-1:0.0: Failed to find BULK IN ep [ 864.938727][ T4414] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 864.950697][ T4414] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 864.958984][ T4414] usb 4-1: Product: syz [ 864.960532][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 864.963143][ T4414] usb 4-1: Manufacturer: syz [ 864.963157][ T4414] usb 4-1: SerialNumber: syz [ 864.980354][ T4806] usb 3-1: new high-speed USB device number 50 using dummy_hcd [ 865.003077][ T4414] usb 4-1: config 0 descriptor?? [ 865.068724][ T4925] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 865.077883][ T4925] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 865.086816][ T4925] usb 5-1: Product: syz [ 865.091314][ T4925] usb 5-1: Manufacturer: syz [ 865.095904][ T4925] usb 5-1: SerialNumber: syz [ 865.102739][ T4925] usb 5-1: config 0 descriptor?? executing program [ 865.130960][ T5121] usb 1-1: USB disconnect, device number 49 [ 865.169971][ T4492] hso 6-1:0.0: Failed to find BULK IN ep [ 865.179864][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected [ 865.259977][ T4414] hso 4-1:0.0: Failed to find BULK IN ep [ 865.270479][ T4414] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 865.369743][ T4925] hso 5-1:0.0: Failed to find BULK IN ep [ 865.370431][ T4492] usb 6-1: USB disconnect, device number 50 [ 865.376809][ T4925] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 865.428593][ T9299] usb 2-1: new high-speed USB device number 51 using dummy_hcd [ 865.460924][ T4925] usb 4-1: USB disconnect, device number 48 [ 865.508460][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 865.517616][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 865.525838][ T4806] usb 3-1: Product: syz [ 865.528463][ T5121] usb 1-1: new high-speed USB device number 50 using dummy_hcd [ 865.530064][ T4806] usb 3-1: Manufacturer: syz [ 865.530081][ T4806] usb 3-1: SerialNumber: syz [ 865.550989][ T4806] usb 3-1: config 0 descriptor?? executing program [ 865.570899][ T30] usb 5-1: USB disconnect, device number 48 [ 865.788460][ T4492] usb 6-1: new high-speed USB device number 51 using dummy_hcd [ 865.809253][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 865.816584][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 865.838396][ T4925] usb 4-1: new high-speed USB device number 49 using dummy_hcd executing program [ 865.988323][ T30] usb 5-1: new high-speed USB device number 49 using dummy_hcd [ 865.999428][ T9299] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 866.008544][ T9299] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 866.016506][ T9299] usb 2-1: Product: syz [ 866.020786][ T9299] usb 2-1: Manufacturer: syz [ 866.022433][ T4806] usb 3-1: USB disconnect, device number 50 [ 866.025378][ T9299] usb 2-1: SerialNumber: syz [ 866.061636][ T9299] usb 2-1: config 0 descriptor?? [ 866.128629][ T5121] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 866.137719][ T5121] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 866.145758][ T5121] usb 1-1: Product: syz [ 866.150601][ T5121] usb 1-1: Manufacturer: syz [ 866.155347][ T5121] usb 1-1: SerialNumber: syz [ 866.162519][ T5121] usb 1-1: config 0 descriptor?? [ 866.308613][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 866.309414][ T9299] hso 2-1:0.0: Failed to find BULK IN ep [ 866.317751][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 866.324809][ T9299] usb-storage 2-1:0.0: USB Mass Storage device detected [ 866.331467][ T4492] usb 6-1: Product: syz [ 866.331480][ T4492] usb 6-1: Manufacturer: syz [ 866.331492][ T4492] usb 6-1: SerialNumber: syz [ 866.366325][ T4492] usb 6-1: config 0 descriptor?? [ 866.398946][ T4806] usb 3-1: new high-speed USB device number 51 using dummy_hcd [ 866.439795][ T5121] hso 1-1:0.0: Failed to find BULK IN ep [ 866.459983][ T5121] usb-storage 1-1:0.0: USB Mass Storage device detected [ 866.478706][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 executing program [ 866.487761][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 866.496145][ T4925] usb 4-1: Product: syz [ 866.500564][ T4925] usb 4-1: Manufacturer: syz [ 866.505161][ T4925] usb 4-1: SerialNumber: syz [ 866.509546][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 866.519199][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 866.525914][ T9299] usb 2-1: USB disconnect, device number 51 [ 866.527175][ T30] usb 5-1: Product: syz [ 866.527189][ T30] usb 5-1: Manufacturer: syz [ 866.527202][ T30] usb 5-1: SerialNumber: syz [ 866.561020][ T4925] usb 4-1: config 0 descriptor?? [ 866.563916][ T30] usb 5-1: config 0 descriptor?? executing program [ 866.631581][ T4492] hso 6-1:0.0: Failed to find BULK IN ep [ 866.648847][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected [ 866.683685][ T2619] usb 1-1: USB disconnect, device number 50 executing program [ 866.829312][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 866.830278][ T4492] usb 6-1: USB disconnect, device number 51 [ 866.848724][ T30] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 866.853559][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 866.856202][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 866.856213][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 866.856231][ T30] Workqueue: usb_hub_wq hub_event [ 866.856243][ T30] Call Trace: [ 866.856265][ T30] dump_stack+0x107/0x163 [ 866.894483][ T30] sysfs_warn_dup.cold+0x1c/0x29 [ 866.899409][ T30] sysfs_do_create_link_sd+0x11e/0x140 [ 866.904850][ T30] sysfs_create_link+0x5f/0xc0 [ 866.909599][ T30] device_add+0x79a/0x1ce0 [ 866.914001][ T30] ? lockdep_init_map_waits+0x26a/0x700 [ 866.919530][ T30] ? devlink_add_symlinks+0x450/0x450 [ 866.924884][ T30] ? __init_waitqueue_head+0x97/0x110 [ 866.930239][ T30] ? pm_runtime_init+0x2cf/0x3b0 [ 866.935164][ T30] tty_register_device_attr+0x395/0x7b0 [ 866.940693][ T30] ? put_tty_driver+0xa0/0xa0 [ 866.945351][ T30] ? mark_held_locks+0x9f/0xe0 [ 866.950099][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 866.956061][ T30] ? tty_port_register_device_attr+0xbc/0x110 [ 866.962147][ T30] hso_serial_common_create+0x124/0x8b0 [ 866.967698][ T30] ? kasan_unpoison_shadow+0x33/0x40 [ 866.972977][ T30] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 866.978779][ T30] hso_probe+0xef9/0x1f70 [ 866.983112][ T30] usb_probe_interface+0x315/0x7f0 [ 866.988209][ T30] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 866.993569][ T30] really_probe+0x291/0xde0 [ 866.998068][ T30] driver_probe_device+0x26b/0x3d0 [ 867.003162][ T30] __device_attach_driver+0x1d1/0x290 [ 867.008518][ T30] ? driver_allows_async_probing+0x150/0x150 [ 867.014477][ T30] bus_for_each_drv+0x15f/0x1e0 [ 867.019323][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 867.024332][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 867.030304][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 867.035320][ T30] __device_attach+0x228/0x4a0 [ 867.040067][ T30] ? really_probe+0xde0/0xde0 [ 867.044726][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 867.049994][ T30] bus_probe_device+0x1e4/0x290 [ 867.054844][ T30] device_add+0xbb2/0x1ce0 [ 867.059243][ T30] ? devlink_add_symlinks+0x450/0x450 [ 867.064599][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 867.070567][ T30] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 867.076365][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 867.081375][ T30] usb_set_configuration+0x113c/0x1910 [ 867.086828][ T30] usb_generic_driver_probe+0xba/0x100 [ 867.092268][ T30] usb_probe_device+0xd9/0x2c0 [ 867.097014][ T30] ? usb_driver_release_interface+0x180/0x180 [ 867.103062][ T30] really_probe+0x291/0xde0 [ 867.107548][ T30] driver_probe_device+0x26b/0x3d0 [ 867.112659][ T30] __device_attach_driver+0x1d1/0x290 [ 867.118015][ T30] ? driver_allows_async_probing+0x150/0x150 [ 867.124001][ T30] bus_for_each_drv+0x15f/0x1e0 [ 867.128838][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 867.133845][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 867.139805][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 867.144812][ T30] __device_attach+0x228/0x4a0 [ 867.149562][ T30] ? really_probe+0xde0/0xde0 [ 867.154223][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 867.159488][ T30] bus_probe_device+0x1e4/0x290 [ 867.164319][ T30] device_add+0xbb2/0x1ce0 [ 867.168720][ T30] ? devlink_add_symlinks+0x450/0x450 [ 867.174074][ T30] ? usb_detect_interface_quirks+0x24/0xa0 [ 867.179863][ T30] usb_new_device.cold+0x71d/0xfe9 [ 867.184956][ T30] ? hub_disconnect+0x510/0x510 [ 867.189790][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 867.194711][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 867.200673][ T30] hub_event+0x2348/0x42d0 [ 867.205072][ T30] ? hub_port_debounce+0x3b0/0x3b0 [ 867.210166][ T30] ? __lock_acquire+0x820/0x54f0 [ 867.215087][ T30] ? put_pwq+0xb1/0x1b0 [ 867.219226][ T30] ? lock_release+0x6d0/0x6d0 [ 867.223885][ T30] ? lock_downgrade+0x6d0/0x6d0 [ 867.228718][ T30] ? do_raw_spin_lock+0x120/0x2b0 [ 867.233726][ T30] process_one_work+0x933/0x1520 [ 867.238646][ T30] ? lock_release+0x6d0/0x6d0 [ 867.243655][ T30] ? pwq_dec_nr_in_flight+0x320/0x320 [ 867.249007][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 867.253940][ T30] worker_thread+0x64c/0x1120 [ 867.258601][ T30] ? __kthread_parkme+0x118/0x1d0 [ 867.263612][ T30] ? process_one_work+0x1520/0x1520 [ 867.268805][ T30] kthread+0x38c/0x460 [ 867.272868][ T30] ? _raw_spin_unlock_irq+0x1f/0x30 executing program executing program [ 867.278048][ T30] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 867.283922][ T30] ret_from_fork+0x1f/0x30 [ 867.368720][ T9299] usb 2-1: new high-speed USB device number 52 using dummy_hcd [ 867.368755][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 867.385604][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 867.394239][ T4806] usb 3-1: Product: syz [ 867.398854][ T4806] usb 3-1: Manufacturer: syz [ 867.403453][ T4806] usb 3-1: SerialNumber: syz [ 867.447865][ T4806] usb 3-1: config 0 descriptor?? [ 867.450350][ T4925] usb 4-1: USB disconnect, device number 49 [ 867.492001][ T2619] usb 1-1: new high-speed USB device number 51 using dummy_hcd [ 867.538821][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 867.584311][ T30] usb 5-1: USB disconnect, device number 49 [ 867.658357][ T4492] usb 6-1: new high-speed USB device number 52 using dummy_hcd [ 867.719237][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 867.727458][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 867.848336][ T4925] usb 4-1: new high-speed USB device number 50 using dummy_hcd executing program [ 867.920330][ T4806] usb 3-1: USB disconnect, device number 51 [ 867.948692][ T30] usb 5-1: new high-speed USB device number 50 using dummy_hcd [ 867.988480][ T9299] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 867.997556][ T9299] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.006549][ T9299] usb 2-1: Product: syz [ 868.011050][ T9299] usb 2-1: Manufacturer: syz [ 868.015821][ T9299] usb 2-1: SerialNumber: syz [ 868.022305][ T9299] usb 2-1: config 0 descriptor?? [ 868.028515][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 868.037657][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.045901][ T2619] usb 1-1: Product: syz [ 868.050126][ T2619] usb 1-1: Manufacturer: syz [ 868.054723][ T2619] usb 1-1: SerialNumber: syz [ 868.063267][ T2619] usb 1-1: config 0 descriptor?? [ 868.198349][ T4492] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 868.207414][ T4492] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.216393][ T4492] usb 6-1: Product: syz [ 868.220993][ T4492] usb 6-1: Manufacturer: syz [ 868.225773][ T4492] usb 6-1: SerialNumber: syz [ 868.234483][ T4492] usb 6-1: config 0 descriptor?? [ 868.279703][ T9299] hso 2-1:0.0: Failed to find BULK IN ep [ 868.286810][ T9299] usb-storage 2-1:0.0: USB Mass Storage device detected [ 868.308719][ T4806] usb 3-1: new high-speed USB device number 52 using dummy_hcd [ 868.329107][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 868.336347][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 868.448370][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 868.457486][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.465533][ T4925] usb 4-1: Product: syz [ 868.470036][ T4925] usb 4-1: Manufacturer: syz [ 868.474632][ T4925] usb 4-1: SerialNumber: syz [ 868.482905][ T4925] usb 4-1: config 0 descriptor?? [ 868.488562][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 executing program executing program [ 868.488640][ T9299] usb 2-1: USB disconnect, device number 52 [ 868.497631][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.511596][ T30] usb 5-1: Product: syz [ 868.515759][ T30] usb 5-1: Manufacturer: syz [ 868.520388][ T30] usb 5-1: SerialNumber: syz [ 868.526552][ T4492] hso 6-1:0.0: Failed to find BULK IN ep [ 868.536372][ T4492] usb-storage 6-1:0.0: USB Mass Storage device detected [ 868.567529][ T2619] usb 1-1: USB disconnect, device number 51 [ 868.576453][ T30] usb 5-1: config 0 descriptor?? executing program [ 868.705673][ T5121] usb 6-1: USB disconnect, device number 52 [ 868.749514][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 868.756931][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 868.840323][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 868.848258][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 868.857304][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 868.865389][ T4806] usb 3-1: Product: syz [ 868.870210][ T4806] usb 3-1: Manufacturer: syz [ 868.874810][ T4806] usb 3-1: SerialNumber: syz [ 868.881458][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 868.888801][ T9299] usb 2-1: new high-speed USB device number 53 using dummy_hcd [ 868.911215][ T4806] usb 3-1: config 0 descriptor?? executing program [ 868.949286][ T2619] usb 1-1: new high-speed USB device number 52 using dummy_hcd [ 868.953046][ T4925] usb 4-1: USB disconnect, device number 50 executing program [ 869.039858][ T4501] usb 5-1: USB disconnect, device number 50 [ 869.098395][ T5121] usb 6-1: new high-speed USB device number 53 using dummy_hcd [ 869.168974][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 869.176247][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 869.369856][ T4806] usb 3-1: USB disconnect, device number 52 [ 869.388407][ T4925] usb 4-1: new high-speed USB device number 51 using dummy_hcd [ 869.468271][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 869.477379][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 869.485501][ T2619] usb 1-1: Product: syz [ 869.489983][ T2619] usb 1-1: Manufacturer: syz [ 869.494581][ T2619] usb 1-1: SerialNumber: syz [ 869.498332][ T4501] usb 5-1: new high-speed USB device number 51 using dummy_hcd [ 869.501045][ T2619] usb 1-1: config 0 descriptor?? [ 869.519808][ T9299] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 869.528969][ T9299] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 869.536952][ T9299] usb 2-1: Product: syz [ 869.541972][ T9299] usb 2-1: Manufacturer: syz [ 869.547257][ T9299] usb 2-1: SerialNumber: syz [ 869.565550][ T9299] usb 2-1: config 0 descriptor?? [ 869.698396][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 869.707489][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 869.716459][ T5121] usb 6-1: Product: syz [ 869.720949][ T5121] usb 6-1: Manufacturer: syz [ 869.725891][ T5121] usb 6-1: SerialNumber: syz [ 869.735075][ T5121] usb 6-1: config 0 descriptor?? [ 869.748164][ T4806] usb 3-1: new high-speed USB device number 53 using dummy_hcd [ 869.769793][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 869.777209][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 869.841667][ T9299] hso 2-1:0.0: Failed to find BULK IN ep [ 869.863205][ T9299] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 869.970596][ T2619] usb 1-1: USB disconnect, device number 52 [ 869.988582][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 869.997774][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 870.005853][ T4925] usb 4-1: Product: syz [ 870.010194][ T4925] usb 4-1: Manufacturer: syz [ 870.014793][ T4925] usb 4-1: SerialNumber: syz executing program [ 870.020685][ T5121] hso 6-1:0.0: Failed to find BULK IN ep [ 870.036268][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 870.046942][ T4492] usb 2-1: USB disconnect, device number 53 [ 870.089714][ T4925] usb 4-1: config 0 descriptor?? [ 870.108357][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 870.117482][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 870.125526][ T4501] usb 5-1: Product: syz [ 870.129744][ T4501] usb 5-1: Manufacturer: syz [ 870.134356][ T4501] usb 5-1: SerialNumber: syz [ 870.163496][ T4501] usb 5-1: config 0 descriptor?? executing program [ 870.221037][ T5121] usb 6-1: USB disconnect, device number 53 [ 870.278405][ T4806] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 870.287453][ T4806] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 870.295545][ T4806] usb 3-1: Product: syz [ 870.300109][ T4806] usb 3-1: Manufacturer: syz [ 870.304912][ T4806] usb 3-1: SerialNumber: syz [ 870.312849][ T4806] usb 3-1: config 0 descriptor?? [ 870.328516][ T2619] usb 1-1: new high-speed USB device number 53 using dummy_hcd [ 870.399000][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 870.406444][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 870.418386][ T4492] usb 2-1: new high-speed USB device number 54 using dummy_hcd [ 870.419632][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 870.443414][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 870.569590][ T4806] hso 3-1:0.0: Failed to find BULK IN ep [ 870.577290][ T4806] usb-storage 3-1:0.0: USB Mass Storage device detected [ 870.600540][ T4415] usb 4-1: USB disconnect, device number 51 executing program [ 870.621269][ T4501] usb 5-1: USB disconnect, device number 51 [ 870.630925][ T5121] usb 6-1: new high-speed USB device number 54 using dummy_hcd executing program [ 870.769559][ T4925] usb 3-1: USB disconnect, device number 53 [ 870.848274][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 870.857370][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 870.866347][ T2619] usb 1-1: Product: syz [ 870.871130][ T2619] usb 1-1: Manufacturer: syz [ 870.875959][ T2619] usb 1-1: SerialNumber: syz [ 870.882850][ T2619] usb 1-1: config 0 descriptor?? [ 870.958292][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 870.967377][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 870.975399][ T4492] usb 2-1: Product: syz [ 870.980077][ T4492] usb 2-1: Manufacturer: syz [ 870.984714][ T4492] usb 2-1: SerialNumber: syz [ 870.994869][ T4492] usb 2-1: config 0 descriptor?? [ 871.028189][ T4501] usb 5-1: new high-speed USB device number 52 using dummy_hcd [ 871.058095][ T4415] usb 4-1: new high-speed USB device number 52 using dummy_hcd [ 871.129447][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 871.136860][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 871.228287][ T4925] usb 3-1: new high-speed USB device number 54 using dummy_hcd [ 871.235997][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 871.245095][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 871.253981][ T5121] usb 6-1: Product: syz [ 871.258190][ T5121] usb 6-1: Manufacturer: syz [ 871.259980][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 871.262774][ T5121] usb 6-1: SerialNumber: syz [ 871.277764][ T5121] usb 6-1: config 0 descriptor?? [ 871.281089][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 871.330384][ T2619] usb 1-1: USB disconnect, device number 53 executing program [ 871.459455][ T4492] usb 2-1: USB disconnect, device number 54 [ 871.539080][ T5121] hso 6-1:0.0: Failed to find BULK IN ep [ 871.546163][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 871.578243][ T4415] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 871.587344][ T4415] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 871.595387][ T4415] usb 4-1: Product: syz [ 871.600073][ T4415] usb 4-1: Manufacturer: syz [ 871.604783][ T4415] usb 4-1: SerialNumber: syz [ 871.628312][ T4501] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 871.628755][ T4415] usb 4-1: config 0 descriptor?? [ 871.637414][ T4501] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 871.650454][ T4501] usb 5-1: Product: syz [ 871.654628][ T4501] usb 5-1: Manufacturer: syz [ 871.659266][ T4501] usb 5-1: SerialNumber: syz [ 871.691505][ T4501] usb 5-1: config 0 descriptor?? executing program [ 871.740734][ T30] usb 6-1: USB disconnect, device number 54 [ 871.758254][ T2619] usb 1-1: new high-speed USB device number 54 using dummy_hcd [ 871.858492][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 871.867646][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 871.868022][ T4492] usb 2-1: new high-speed USB device number 55 using dummy_hcd [ 871.875685][ T4925] usb 3-1: Product: syz [ 871.875701][ T4925] usb 3-1: Manufacturer: syz [ 871.892672][ T4925] usb 3-1: SerialNumber: syz [ 871.905766][ T4925] usb 3-1: config 0 descriptor?? [ 871.930131][ T4415] hso 4-1:0.0: Failed to find BULK IN ep [ 871.937458][ T4415] usb-storage 4-1:0.0: USB Mass Storage device detected [ 871.965803][ T4501] hso 5-1:0.0: Failed to find BULK IN ep [ 871.975962][ T4501] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 872.098308][ T30] usb 6-1: new high-speed USB device number 55 using dummy_hcd [ 872.129460][ T9299] usb 4-1: USB disconnect, device number 52 executing program [ 872.160387][ T4415] usb 5-1: USB disconnect, device number 52 [ 872.177601][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 872.187218][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 872.278240][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 872.287340][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 872.295387][ T2619] usb 1-1: Product: syz [ 872.299612][ T2619] usb 1-1: Manufacturer: syz [ 872.304194][ T2619] usb 1-1: SerialNumber: syz [ 872.323721][ T2619] usb 1-1: config 0 descriptor?? executing program [ 872.378817][ T4925] usb 3-1: USB disconnect, device number 54 [ 872.438160][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 872.447281][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 872.455350][ T4492] usb 2-1: Product: syz [ 872.459957][ T4492] usb 2-1: Manufacturer: syz [ 872.464667][ T4492] usb 2-1: SerialNumber: syz [ 872.472916][ T4492] usb 2-1: config 0 descriptor?? [ 872.557969][ T9299] usb 4-1: new high-speed USB device number 53 using dummy_hcd [ 872.588878][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 872.596362][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 872.617998][ T4415] usb 5-1: new high-speed USB device number 53 using dummy_hcd [ 872.668101][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 872.677231][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 872.686338][ T30] usb 6-1: Product: syz [ 872.690739][ T30] usb 6-1: Manufacturer: syz [ 872.695484][ T30] usb 6-1: SerialNumber: syz [ 872.704812][ T30] usb 6-1: config 0 descriptor?? [ 872.739131][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 872.750717][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 872.789379][ T4501] usb 1-1: USB disconnect, device number 54 [ 872.828043][ T4925] usb 3-1: new high-speed USB device number 55 using dummy_hcd executing program [ 872.940542][ T4492] usb 2-1: USB disconnect, device number 55 [ 872.969182][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 872.977513][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 873.169491][ T5121] usb 6-1: USB disconnect, device number 55 [ 873.179138][ T9299] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 873.188455][ T4415] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 873.188475][ T4415] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 873.197467][ T9299] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 873.197481][ T9299] usb 4-1: Product: syz [ 873.197494][ T9299] usb 4-1: Manufacturer: syz [ 873.197507][ T9299] usb 4-1: SerialNumber: syz [ 873.208483][ T9299] usb 4-1: config 0 descriptor?? [ 873.213593][ T4415] usb 5-1: Product: syz [ 873.228023][ T4501] usb 1-1: new high-speed USB device number 55 using dummy_hcd [ 873.231866][ T4415] usb 5-1: Manufacturer: syz [ 873.231879][ T4415] usb 5-1: SerialNumber: syz [ 873.267207][ T4415] usb 5-1: config 0 descriptor?? [ 873.308339][ T4492] usb 2-1: new high-speed USB device number 56 using dummy_hcd [ 873.438063][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 873.447199][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 873.455279][ T4925] usb 3-1: Product: syz [ 873.460149][ T4925] usb 3-1: Manufacturer: syz [ 873.465535][ T4925] usb 3-1: SerialNumber: syz [ 873.475611][ T4925] usb 3-1: config 0 descriptor?? [ 873.482610][ T9299] hso 4-1:0.0: Failed to find BULK IN ep [ 873.494043][ T9299] usb-storage 4-1:0.0: USB Mass Storage device detected [ 873.549429][ T4415] hso 5-1:0.0: Failed to find BULK IN ep [ 873.557346][ T4415] usb-storage 5-1:0.0: USB Mass Storage device detected [ 873.618360][ T5121] usb 6-1: new high-speed USB device number 56 using dummy_hcd executing program [ 873.683368][ T9299] usb 4-1: USB disconnect, device number 53 executing program [ 873.750140][ T30] usb 5-1: USB disconnect, device number 53 [ 873.779291][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 873.794544][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 873.828056][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 873.837158][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 873.846127][ T4492] usb 2-1: Product: syz [ 873.850580][ T4492] usb 2-1: Manufacturer: syz [ 873.855396][ T4492] usb 2-1: SerialNumber: syz [ 873.862108][ T4492] usb 2-1: config 0 descriptor?? [ 873.878174][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 873.887335][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 873.895423][ T4501] usb 1-1: Product: syz [ 873.899638][ T4501] usb 1-1: Manufacturer: syz [ 873.904215][ T4501] usb 1-1: SerialNumber: syz [ 873.949078][ T4501] usb 1-1: config 0 descriptor?? executing program [ 873.979567][ T2619] usb 3-1: USB disconnect, device number 55 [ 874.058119][ T9299] usb 4-1: new high-speed USB device number 54 using dummy_hcd [ 874.107874][ T30] usb 5-1: new high-speed USB device number 54 using dummy_hcd [ 874.120203][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 874.129638][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 874.218602][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 874.227662][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 874.235738][ T5121] usb 6-1: Product: syz [ 874.240584][ T5121] usb 6-1: Manufacturer: syz [ 874.245186][ T5121] usb 6-1: SerialNumber: syz [ 874.251819][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 874.259847][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 874.269368][ T5121] usb 6-1: config 0 descriptor?? executing program [ 874.319829][ T4492] usb 2-1: USB disconnect, device number 56 executing program [ 874.388305][ T2619] usb 3-1: new high-speed USB device number 56 using dummy_hcd [ 874.419661][ T4415] usb 1-1: USB disconnect, device number 55 [ 874.518571][ T5121] hso 6-1:0.0: Failed to find BULK IN ep [ 874.525821][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 874.627968][ T30] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 874.637132][ T30] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 874.645338][ T30] usb 5-1: Product: syz [ 874.648122][ T9299] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 874.649564][ T30] usb 5-1: Manufacturer: syz [ 874.658570][ T9299] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 874.663121][ T30] usb 5-1: SerialNumber: syz executing program [ 874.671102][ T9299] usb 4-1: Product: syz [ 874.679967][ T9299] usb 4-1: Manufacturer: syz [ 874.684566][ T9299] usb 4-1: SerialNumber: syz [ 874.690733][ T30] usb 5-1: config 0 descriptor?? [ 874.735282][ T9299] usb 4-1: config 0 descriptor?? [ 874.737922][ T4492] usb 2-1: new high-speed USB device number 57 using dummy_hcd [ 874.746892][ T5121] usb 6-1: USB disconnect, device number 56 [ 874.817915][ T4415] usb 1-1: new high-speed USB device number 56 using dummy_hcd [ 874.948363][ T2619] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 874.957443][ T2619] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 874.965482][ T2619] usb 3-1: Product: syz [ 874.969885][ T2619] usb 3-1: Manufacturer: syz [ 874.974483][ T2619] usb 3-1: SerialNumber: syz [ 874.980974][ T30] hso 5-1:0.0: Failed to find BULK IN ep [ 874.988029][ T30] usb-storage 5-1:0.0: USB Mass Storage device detected [ 874.989086][ T9299] hso 4-1:0.0: Failed to find BULK IN ep [ 875.002887][ T2619] usb 3-1: config 0 descriptor?? [ 875.003658][ T9299] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 875.117803][ T5121] usb 6-1: new high-speed USB device number 57 using dummy_hcd [ 875.149382][ T9299] usb 5-1: USB disconnect, device number 54 executing program [ 875.196575][ T30] usb 4-1: USB disconnect, device number 54 [ 875.268833][ T2619] hso 3-1:0.0: Failed to find BULK IN ep [ 875.276210][ T2619] usb-storage 3-1:0.0: USB Mass Storage device detected [ 875.307916][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 875.317009][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 875.326246][ T4492] usb 2-1: Product: syz [ 875.330854][ T4492] usb 2-1: Manufacturer: syz [ 875.336151][ T4492] usb 2-1: SerialNumber: syz [ 875.341373][ T4415] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 875.350597][ T4415] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 875.358648][ T4415] usb 1-1: Product: syz [ 875.363249][ T4415] usb 1-1: Manufacturer: syz [ 875.367899][ T4415] usb 1-1: SerialNumber: syz [ 875.393509][ T4415] usb 1-1: config 0 descriptor?? [ 875.417573][ T4492] usb 2-1: config 0 descriptor?? executing program [ 875.470274][ T4925] usb 3-1: USB disconnect, device number 56 [ 875.538066][ T9299] usb 5-1: new high-speed USB device number 55 using dummy_hcd [ 875.617799][ T30] usb 4-1: new high-speed USB device number 55 using dummy_hcd [ 875.668611][ T4415] hso 1-1:0.0: Failed to find BULK IN ep [ 875.676063][ T4415] usb-storage 1-1:0.0: USB Mass Storage device detected [ 875.686200][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 875.696183][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 875.707974][ T5121] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 875.717090][ T5121] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 875.725126][ T5121] usb 6-1: Product: syz [ 875.729329][ T5121] usb 6-1: Manufacturer: syz [ 875.733929][ T5121] usb 6-1: SerialNumber: syz [ 875.754892][ T5121] usb 6-1: config 0 descriptor?? executing program executing program [ 875.870344][ T4492] usb 1-1: USB disconnect, device number 56 [ 875.887184][ T4501] usb 2-1: USB disconnect, device number 57 [ 875.893725][ T4925] usb 3-1: new high-speed USB device number 57 using dummy_hcd [ 876.018568][ T5121] hso 6-1:0.0: Failed to find BULK IN ep [ 876.025448][ T5121] usb-storage 6-1:0.0: USB Mass Storage device detected [ 876.077958][ T9299] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 876.087079][ T9299] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 876.096014][ T9299] usb 5-1: Product: syz [ 876.100844][ T9299] usb 5-1: Manufacturer: syz [ 876.105643][ T9299] usb 5-1: SerialNumber: syz [ 876.117326][ T9299] usb 5-1: config 0 descriptor?? [ 876.137938][ T30] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 876.147146][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 876.155210][ T30] usb 4-1: Product: syz [ 876.159444][ T30] usb 4-1: Manufacturer: syz [ 876.164044][ T30] usb 4-1: SerialNumber: syz [ 876.170710][ T30] usb 4-1: config 0 descriptor?? executing program [ 876.219990][ T4414] usb 6-1: USB disconnect, device number 57 [ 876.268102][ T4501] usb 2-1: new high-speed USB device number 58 using dummy_hcd [ 876.317770][ T4492] usb 1-1: new high-speed USB device number 57 using dummy_hcd [ 876.378650][ T9299] hso 5-1:0.0: Failed to find BULK IN ep [ 876.386768][ T9299] usb-storage 5-1:0.0: USB Mass Storage device detected [ 876.429014][ T30] hso 4-1:0.0: Failed to find BULK IN ep [ 876.436807][ T30] usb-storage 4-1:0.0: USB Mass Storage device detected [ 876.508015][ T4925] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 876.517063][ T4925] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 876.525282][ T4925] usb 3-1: Product: syz [ 876.530066][ T4925] usb 3-1: Manufacturer: syz [ 876.535585][ T4925] usb 3-1: SerialNumber: syz [ 876.555430][ T4925] usb 3-1: config 0 descriptor?? executing program [ 876.579546][ T9299] usb 5-1: USB disconnect, device number 55 [ 876.618927][ T4414] usb 6-1: new high-speed USB device number 58 using dummy_hcd executing program [ 876.630683][ T5592] usb 4-1: USB disconnect, device number 55 [ 876.828644][ T4925] hso 3-1:0.0: Failed to find BULK IN ep [ 876.835958][ T4925] usb-storage 3-1:0.0: USB Mass Storage device detected [ 876.848705][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 876.857846][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 876.865830][ T4492] usb 1-1: Product: syz [ 876.870370][ T4492] usb 1-1: Manufacturer: syz [ 876.874966][ T4492] usb 1-1: SerialNumber: syz [ 876.887880][ T4501] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 876.897015][ T4501] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 876.905081][ T4501] usb 2-1: Product: syz [ 876.909592][ T4501] usb 2-1: Manufacturer: syz [ 876.914198][ T4501] usb 2-1: SerialNumber: syz [ 876.914531][ T4492] usb 1-1: config 0 descriptor?? [ 876.923371][ T4501] usb 2-1: config 0 descriptor?? executing program [ 876.998027][ T9299] usb 5-1: new high-speed USB device number 56 using dummy_hcd [ 877.007935][ T5592] usb 4-1: new high-speed USB device number 56 using dummy_hcd [ 877.030051][ T4415] usb 3-1: USB disconnect, device number 57 [ 877.188283][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 877.197349][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 877.198115][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 877.205421][ T4414] usb 6-1: Product: syz [ 877.212796][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 877.216914][ T4414] usb 6-1: Manufacturer: syz [ 877.225290][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 877.225309][ T4492] Workqueue: usb_hub_wq hub_event [ 877.225326][ T4492] Call Trace: [ 877.230170][ T4414] usb 6-1: SerialNumber: syz [ 877.240200][ T4492] dump_stack+0x107/0x163 [ 877.240213][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 877.240236][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 877.245902][ T4501] hso 2-1:0.0: Failed to find BULK IN ep [ 877.248497][ T4492] sysfs_create_link+0x5f/0xc0 [ 877.248512][ T4492] device_add+0x79a/0x1ce0 [ 877.248527][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 877.248545][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 877.294398][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 877.299859][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 877.304807][ T4492] tty_register_device_attr+0x395/0x7b0 [ 877.310653][ T4492] ? put_tty_driver+0xa0/0xa0 [ 877.315333][ T4492] ? mark_held_locks+0x9f/0xe0 [ 877.320348][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 877.326361][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 877.332439][ T4492] hso_serial_common_create+0x124/0x8b0 [ 877.338183][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 877.344089][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 877.350047][ T4492] hso_probe+0xef9/0x1f70 [ 877.354661][ T4492] usb_probe_interface+0x315/0x7f0 [ 877.360486][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 877.366391][ T4492] really_probe+0x291/0xde0 [ 877.370905][ T4492] driver_probe_device+0x26b/0x3d0 [ 877.376619][ T4492] __device_attach_driver+0x1d1/0x290 [ 877.382522][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 877.388549][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 877.394556][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 877.399586][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 877.405567][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 877.405753][ T4414] usb 6-1: config 0 descriptor?? [ 877.410583][ T4492] __device_attach+0x228/0x4a0 [ 877.410597][ T4492] ? really_probe+0xde0/0xde0 [ 877.410612][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 877.410634][ T4492] bus_probe_device+0x1e4/0x290 [ 877.416284][ T4501] usb-storage 2-1:0.0: USB Mass Storage device detected [ 877.420292][ T4492] device_add+0xbb2/0x1ce0 [ 877.420306][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 877.420322][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 877.420340][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 877.420359][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 877.469624][ T4492] usb_set_configuration+0x113c/0x1910 [ 877.475537][ T4492] usb_generic_driver_probe+0xba/0x100 [ 877.481422][ T4492] usb_probe_device+0xd9/0x2c0 [ 877.486360][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 877.492431][ T4492] really_probe+0x291/0xde0 [ 877.496939][ T4492] driver_probe_device+0x26b/0x3d0 [ 877.502179][ T4492] __device_attach_driver+0x1d1/0x290 [ 877.507565][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 877.513548][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 877.518404][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 877.523434][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 877.529413][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 877.534442][ T4492] __device_attach+0x228/0x4a0 executing program [ 877.539215][ T4492] ? really_probe+0xde0/0xde0 [ 877.543898][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 877.549187][ T4492] bus_probe_device+0x1e4/0x290 [ 877.554092][ T4492] device_add+0xbb2/0x1ce0 [ 877.558519][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 877.563905][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 877.569085][ T4492] ? hub_disconnect+0x510/0x510 [ 877.573915][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 877.578835][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 877.584809][ T4492] hub_event+0x2348/0x42d0 [ 877.589234][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 877.594337][ T4492] ? __lock_acquire+0x820/0x54f0 [ 877.599265][ T4492] ? put_pwq+0xb1/0x1b0 [ 877.603411][ T4492] ? lock_release+0x6d0/0x6d0 [ 877.608077][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 877.612917][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 877.617923][ T4492] process_one_work+0x933/0x1520 [ 877.622839][ T4492] ? lock_release+0x6d0/0x6d0 [ 877.627496][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 877.632845][ T4492] ? rwlock_bug.part.0+0x90/0x90 executing program [ 877.637781][ T4492] worker_thread+0x64c/0x1120 [ 877.642442][ T4492] ? process_one_work+0x1520/0x1520 [ 877.647624][ T4492] kthread+0x38c/0x460 [ 877.651674][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 877.656867][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 877.662739][ T4492] ret_from_fork+0x1f/0x30 [ 877.679527][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 877.721678][ T4501] usb 2-1: USB disconnect, device number 58 [ 877.743137][ T4492] usb 1-1: USB disconnect, device number 57 [ 877.827755][ T4415] usb 3-1: new high-speed USB device number 58 using dummy_hcd [ 877.908653][ T4414] hso 6-1:0.0: Failed to find BULK IN ep [ 877.916463][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected [ 878.017764][ T9299] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 878.026854][ T9299] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 878.035964][ T9299] usb 5-1: Product: syz [ 878.040504][ T9299] usb 5-1: Manufacturer: syz [ 878.045315][ T9299] usb 5-1: SerialNumber: syz [ 878.050204][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 878.059302][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 878.067307][ T5592] usb 4-1: Product: syz [ 878.071516][ T5592] usb 4-1: Manufacturer: syz [ 878.076112][ T5592] usb 4-1: SerialNumber: syz [ 878.082615][ T9299] usb 5-1: config 0 descriptor?? [ 878.095411][ T5592] usb 4-1: config 0 descriptor?? [ 878.112453][ T30] usb 6-1: USB disconnect, device number 58 executing program [ 878.128851][ T4492] usb 1-1: new high-speed USB device number 58 using dummy_hcd [ 878.149293][ T4501] usb 2-1: new high-speed USB device number 59 using dummy_hcd [ 878.347710][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 878.356814][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 878.358496][ T5592] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 878.364883][ T4415] usb 3-1: Product: syz [ 878.372298][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 878.376418][ T4415] usb 3-1: Manufacturer: syz [ 878.384795][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 878.384814][ T5592] Workqueue: usb_hub_wq hub_event [ 878.384826][ T5592] Call Trace: [ 878.384847][ T5592] dump_stack+0x107/0x163 [ 878.389515][ T4415] usb 3-1: SerialNumber: syz [ 878.399525][ T5592] sysfs_warn_dup.cold+0x1c/0x29 [ 878.399542][ T5592] sysfs_do_create_link_sd+0x11e/0x140 [ 878.399557][ T5592] sysfs_create_link+0x5f/0xc0 [ 878.399578][ T5592] device_add+0x79a/0x1ce0 [ 878.410193][ T4415] usb 3-1: config 0 descriptor?? [ 878.412174][ T5592] ? lockdep_init_map_waits+0x26a/0x700 [ 878.412191][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 878.412206][ T5592] ? __init_waitqueue_head+0x97/0x110 [ 878.412221][ T5592] ? pm_runtime_init+0x2cf/0x3b0 [ 878.412236][ T5592] tty_register_device_attr+0x395/0x7b0 [ 878.412255][ T5592] ? put_tty_driver+0xa0/0xa0 [ 878.474193][ T5592] ? mark_held_locks+0x9f/0xe0 [ 878.479586][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 878.485609][ T5592] ? tty_port_register_device_attr+0xbc/0x110 [ 878.491990][ T5592] hso_serial_common_create+0x124/0x8b0 [ 878.497888][ T5592] ? kasan_unpoison_shadow+0x33/0x40 [ 878.503775][ T5592] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 878.510099][ T5592] hso_probe+0xef9/0x1f70 [ 878.514672][ T5592] usb_probe_interface+0x315/0x7f0 [ 878.520533][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 878.526393][ T5592] really_probe+0x291/0xde0 [ 878.530906][ T5592] driver_probe_device+0x26b/0x3d0 [ 878.536622][ T5592] __device_attach_driver+0x1d1/0x290 [ 878.542646][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 878.548656][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 878.548896][ T30] usb 6-1: new high-speed USB device number 59 using dummy_hcd [ 878.553501][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 878.553519][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 878.553534][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 878.553549][ T5592] __device_attach+0x228/0x4a0 [ 878.553564][ T5592] ? really_probe+0xde0/0xde0 [ 878.553583][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 878.593273][ T5592] bus_probe_device+0x1e4/0x290 executing program [ 878.599002][ T5592] device_add+0xbb2/0x1ce0 [ 878.603622][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 878.609004][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 878.614994][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 878.620804][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 878.625867][ T5592] usb_set_configuration+0x113c/0x1910 [ 878.632210][ T5592] usb_generic_driver_probe+0xba/0x100 [ 878.638434][ T5592] usb_probe_device+0xd9/0x2c0 [ 878.643205][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 878.649274][ T5592] really_probe+0x291/0xde0 [ 878.653782][ T5592] driver_probe_device+0x26b/0x3d0 [ 878.658897][ T5592] __device_attach_driver+0x1d1/0x290 [ 878.664278][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 878.670264][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 878.675302][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 878.680333][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 878.686321][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 878.691353][ T5592] __device_attach+0x228/0x4a0 [ 878.696114][ T5592] ? really_probe+0xde0/0xde0 [ 878.700811][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 878.706077][ T5592] bus_probe_device+0x1e4/0x290 [ 878.710908][ T5592] device_add+0xbb2/0x1ce0 [ 878.715304][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 878.720662][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 878.725755][ T5592] ? hub_disconnect+0x510/0x510 [ 878.730587][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 878.735517][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 878.741490][ T5592] hub_event+0x2348/0x42d0 [ 878.745889][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 878.750993][ T5592] ? __lock_acquire+0x820/0x54f0 [ 878.755926][ T5592] ? put_pwq+0xb1/0x1b0 [ 878.760064][ T5592] ? lock_release+0x6d0/0x6d0 [ 878.764785][ T5592] ? lock_downgrade+0x6d0/0x6d0 [ 878.769614][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 878.774630][ T5592] process_one_work+0x933/0x1520 [ 878.779558][ T5592] ? lock_release+0x6d0/0x6d0 [ 878.784215][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 878.789565][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 878.794483][ T5592] worker_thread+0x64c/0x1120 [ 878.799171][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 878.804181][ T5592] ? process_one_work+0x1520/0x1520 [ 878.809379][ T5592] kthread+0x38c/0x460 [ 878.813429][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 878.818608][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 878.824497][ T5592] ret_from_fork+0x1f/0x30 [ 878.830819][ T9299] hso 5-1:0.0: Failed to find BULK IN ep [ 878.838548][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 878.846404][ T9299] usb-storage 5-1:0.0: USB Mass Storage device detected [ 878.849894][ T4415] hso 3-1:0.0: Failed to find BULK IN ep [ 878.877756][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 878.886882][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 878.896009][ T4492] usb 1-1: Product: syz [ 878.901119][ T4492] usb 1-1: Manufacturer: syz [ 878.905722][ T4492] usb 1-1: SerialNumber: syz [ 878.928474][ T9299] usb 5-1: USB disconnect, device number 56 [ 878.935919][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 878.951514][ T5592] usb 4-1: USB disconnect, device number 56 [ 878.976640][ T4492] usb 1-1: config 0 descriptor?? executing program [ 879.052629][ T2619] usb 3-1: USB disconnect, device number 58 [ 879.108049][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 879.117151][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 879.125346][ T30] usb 6-1: Product: syz [ 879.129732][ T30] usb 6-1: Manufacturer: syz [ 879.135088][ T30] usb 6-1: SerialNumber: syz [ 879.157697][ T30] usb 6-1: config 0 descriptor?? [ 879.187760][ T4501] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 879.196861][ T4501] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 879.205078][ T4501] usb 2-1: Product: syz [ 879.209278][ T4501] usb 2-1: Manufacturer: syz [ 879.213874][ T4501] usb 2-1: SerialNumber: syz [ 879.227825][ T4501] usb 2-1: config 0 descriptor?? [ 879.258723][ T4492] hso 1-1:0.0: Failed to find BULK IN ep [ 879.266399][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 879.337859][ T5592] usb 4-1: new high-speed USB device number 57 using dummy_hcd [ 879.345475][ T9299] usb 5-1: new high-speed USB device number 57 using dummy_hcd executing program [ 879.418924][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 879.429063][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 879.437590][ T2619] usb 3-1: new high-speed USB device number 59 using dummy_hcd [ 879.460092][ T4492] usb 1-1: USB disconnect, device number 58 [ 879.499332][ T4501] hso 2-1:0.0: Failed to find BULK IN ep [ 879.507144][ T4501] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 879.619557][ T4501] usb 6-1: USB disconnect, device number 59 executing program [ 879.699590][ T4414] usb 2-1: USB disconnect, device number 59 [ 879.827529][ T4492] usb 1-1: new high-speed USB device number 59 using dummy_hcd [ 879.957654][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 879.957667][ T2619] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 879.966772][ T2619] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 879.975770][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 879.975784][ T5592] usb 4-1: Product: syz [ 879.975801][ T5592] usb 4-1: Manufacturer: syz [ 879.983790][ T2619] usb 3-1: Product: syz [ 879.983806][ T2619] usb 3-1: Manufacturer: syz [ 879.991793][ T5592] usb 4-1: SerialNumber: syz [ 879.991888][ T9299] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 879.995939][ T2619] usb 3-1: SerialNumber: syz [ 880.000533][ T9299] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 880.037036][ T9299] usb 5-1: Product: syz [ 880.041650][ T9299] usb 5-1: Manufacturer: syz [ 880.046243][ T9299] usb 5-1: SerialNumber: syz [ 880.054603][ T5592] usb 4-1: config 0 descriptor?? [ 880.058017][ T2619] usb 3-1: config 0 descriptor?? [ 880.062361][ T9299] usb 5-1: config 0 descriptor?? [ 880.118848][ T4414] usb 2-1: new high-speed USB device number 60 using dummy_hcd [ 880.126514][ T4501] usb 6-1: new high-speed USB device number 60 using dummy_hcd [ 880.327978][ T9299] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 880.330806][ T2619] hso 3-1:0.0: Failed to find BULK IN ep [ 880.335490][ T9299] CPU: 0 PID: 9299 Comm: kworker/0:9 Not tainted 5.10.0-rc7-syzkaller #0 [ 880.335500][ T9299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 880.335519][ T9299] Workqueue: usb_hub_wq hub_event [ 880.335533][ T9299] Call Trace: [ 880.335551][ T9299] dump_stack+0x107/0x163 [ 880.335578][ T9299] sysfs_warn_dup.cold+0x1c/0x29 [ 880.343240][ T2619] usb-storage 3-1:0.0: USB Mass Storage device detected [ 880.349586][ T9299] sysfs_do_create_link_sd+0x11e/0x140 [ 880.349602][ T9299] sysfs_create_link+0x5f/0xc0 [ 880.349618][ T9299] device_add+0x79a/0x1ce0 [ 880.349635][ T9299] ? lockdep_init_map_waits+0x26a/0x700 [ 880.349648][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 880.349663][ T9299] ? __init_waitqueue_head+0x97/0x110 [ 880.349677][ T9299] ? pm_runtime_init+0x2cf/0x3b0 [ 880.349693][ T9299] tty_register_device_attr+0x395/0x7b0 [ 880.349706][ T9299] ? put_tty_driver+0xa0/0xa0 [ 880.349725][ T9299] ? mark_held_locks+0x9f/0xe0 [ 880.349740][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.349753][ T9299] ? tty_port_register_device_attr+0xbc/0x110 [ 880.349769][ T9299] hso_serial_common_create+0x124/0x8b0 [ 880.349786][ T9299] ? kasan_unpoison_shadow+0x33/0x40 [ 880.349799][ T9299] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 880.349820][ T9299] hso_probe+0xef9/0x1f70 [ 880.360182][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 880.364866][ T9299] usb_probe_interface+0x315/0x7f0 [ 880.364883][ T9299] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 880.364898][ T9299] really_probe+0x291/0xde0 [ 880.364915][ T9299] driver_probe_device+0x26b/0x3d0 [ 880.364930][ T9299] __device_attach_driver+0x1d1/0x290 [ 880.364950][ T9299] ? driver_allows_async_probing+0x150/0x150 [ 880.368247][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 880.372519][ T9299] bus_for_each_drv+0x15f/0x1e0 [ 880.372538][ T9299] ? bus_for_each_dev+0x1d0/0x1d0 [ 880.377506][ T4492] usb 1-1: Product: syz [ 880.384393][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.384414][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 880.389933][ T4492] usb 1-1: Manufacturer: syz [ 880.394597][ T9299] __device_attach+0x228/0x4a0 [ 880.394617][ T9299] ? really_probe+0xde0/0xde0 [ 880.399037][ T4492] usb 1-1: SerialNumber: syz [ 880.404524][ T9299] ? kobject_uevent_env+0x2bb/0x1680 [ 880.404544][ T9299] bus_probe_device+0x1e4/0x290 [ 880.412762][ T4492] usb 1-1: config 0 descriptor?? [ 880.415238][ T9299] device_add+0xbb2/0x1ce0 [ 880.415254][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 880.415271][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.415290][ T9299] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 880.415301][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 880.415321][ T9299] usb_set_configuration+0x113c/0x1910 [ 880.611393][ T9299] usb_generic_driver_probe+0xba/0x100 [ 880.616838][ T9299] usb_probe_device+0xd9/0x2c0 [ 880.621587][ T9299] ? usb_driver_release_interface+0x180/0x180 [ 880.627637][ T9299] really_probe+0x291/0xde0 [ 880.632125][ T9299] driver_probe_device+0x26b/0x3d0 [ 880.637228][ T9299] __device_attach_driver+0x1d1/0x290 [ 880.642586][ T9299] ? driver_allows_async_probing+0x150/0x150 [ 880.648561][ T9299] bus_for_each_drv+0x15f/0x1e0 [ 880.653404][ T9299] ? bus_for_each_dev+0x1d0/0x1d0 [ 880.658426][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.664430][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 880.669465][ T9299] __device_attach+0x228/0x4a0 [ 880.674228][ T9299] ? really_probe+0xde0/0xde0 [ 880.678889][ T9299] ? kobject_uevent_env+0x2bb/0x1680 [ 880.684160][ T9299] bus_probe_device+0x1e4/0x290 [ 880.688999][ T9299] device_add+0xbb2/0x1ce0 [ 880.693399][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 880.698757][ T9299] usb_new_device.cold+0x71d/0xfe9 [ 880.703853][ T9299] ? hub_disconnect+0x510/0x510 [ 880.708691][ T9299] ? rwlock_bug.part.0+0x90/0x90 [ 880.713629][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.719615][ T9299] hub_event+0x2348/0x42d0 [ 880.724028][ T9299] ? hub_port_debounce+0x3b0/0x3b0 [ 880.729133][ T9299] ? __lock_acquire+0x821/0x54f0 [ 880.734062][ T9299] ? put_pwq+0xb1/0x1b0 [ 880.738207][ T9299] ? lock_release+0x6d0/0x6d0 [ 880.742899][ T9299] ? lock_downgrade+0x6d0/0x6d0 [ 880.747747][ T9299] ? do_raw_spin_lock+0x120/0x2b0 [ 880.752788][ T9299] process_one_work+0x933/0x1520 [ 880.757716][ T9299] ? lock_release+0x6d0/0x6d0 [ 880.762384][ T9299] ? pwq_dec_nr_in_flight+0x320/0x320 [ 880.767742][ T9299] ? rwlock_bug.part.0+0x90/0x90 [ 880.772668][ T9299] worker_thread+0x82b/0x1120 executing program [ 880.777329][ T9299] ? __kthread_parkme+0x118/0x1d0 [ 880.782338][ T9299] ? process_one_work+0x1520/0x1520 [ 880.787523][ T9299] kthread+0x38c/0x460 [ 880.791579][ T9299] ? _raw_spin_unlock_irq+0x1f/0x30 [ 880.796762][ T9299] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 880.802641][ T9299] ret_from_fork+0x1f/0x30 [ 880.817837][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 880.828214][ T4492] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 880.831839][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 880.835716][ T4492] CPU: 1 PID: 4492 Comm: kworker/1:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 880.835726][ T4492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 880.835747][ T4492] Workqueue: usb_hub_wq hub_event [ 880.866122][ T4492] Call Trace: [ 880.869429][ T4492] dump_stack+0x107/0x163 [ 880.873851][ T4492] sysfs_warn_dup.cold+0x1c/0x29 [ 880.879643][ T4492] sysfs_do_create_link_sd+0x11e/0x140 [ 880.885751][ T4492] sysfs_create_link+0x5f/0xc0 [ 880.891218][ T4492] device_add+0x79a/0x1ce0 [ 880.895745][ T4492] ? lockdep_init_map_waits+0x26a/0x700 [ 880.901400][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 880.907378][ T4492] ? __init_waitqueue_head+0x97/0x110 [ 880.912759][ T4492] ? pm_runtime_init+0x2cf/0x3b0 [ 880.917706][ T4492] tty_register_device_attr+0x395/0x7b0 [ 880.923255][ T4492] ? put_tty_driver+0xa0/0xa0 [ 880.928260][ T4492] ? mark_held_locks+0x9f/0xe0 [ 880.933720][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 880.940455][ T4492] ? tty_port_register_device_attr+0xbc/0x110 [ 880.947405][ T4492] hso_serial_common_create+0x124/0x8b0 [ 880.953093][ T4492] ? kasan_unpoison_shadow+0x33/0x40 [ 880.958721][ T4492] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 880.965401][ T4492] hso_probe+0xef9/0x1f70 [ 880.969798][ T4492] usb_probe_interface+0x315/0x7f0 [ 880.975336][ T4492] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 880.980962][ T4492] really_probe+0x291/0xde0 [ 880.985472][ T4492] driver_probe_device+0x26b/0x3d0 [ 880.990747][ T4492] __device_attach_driver+0x1d1/0x290 [ 880.996381][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 881.002378][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 881.007625][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 881.013143][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 881.019135][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 881.024411][ T4492] __device_attach+0x228/0x4a0 [ 881.029177][ T4492] ? really_probe+0xde0/0xde0 [ 881.034582][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 881.040158][ T4492] bus_probe_device+0x1e4/0x290 [ 881.045647][ T4492] device_add+0xbb2/0x1ce0 [ 881.050069][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 881.055446][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 881.061432][ T4492] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 881.067906][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 881.073486][ T4492] usb_set_configuration+0x113c/0x1910 [ 881.079121][ T4492] usb_generic_driver_probe+0xba/0x100 [ 881.084838][ T4492] usb_probe_device+0xd9/0x2c0 [ 881.089638][ T4492] ? usb_driver_release_interface+0x180/0x180 [ 881.097298][ T4492] really_probe+0x291/0xde0 [ 881.102692][ T4492] driver_probe_device+0x26b/0x3d0 [ 881.108303][ T4492] __device_attach_driver+0x1d1/0x290 [ 881.113908][ T4492] ? driver_allows_async_probing+0x150/0x150 [ 881.119889][ T4492] bus_for_each_drv+0x15f/0x1e0 [ 881.125157][ T4492] ? bus_for_each_dev+0x1d0/0x1d0 [ 881.130682][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 881.136670][ T4492] ? trace_hardirqs_on+0x5b/0x1a0 [ 881.141699][ T4492] __device_attach+0x228/0x4a0 [ 881.146467][ T4492] ? really_probe+0xde0/0xde0 [ 881.151148][ T4492] ? kobject_uevent_env+0x2bb/0x1680 [ 881.156436][ T4492] bus_probe_device+0x1e4/0x290 [ 881.162073][ T4492] device_add+0xbb2/0x1ce0 [ 881.166893][ T4492] ? devlink_add_symlinks+0x450/0x450 [ 881.172572][ T4492] usb_new_device.cold+0x71d/0xfe9 [ 881.178211][ T4492] ? hub_disconnect+0x510/0x510 [ 881.183792][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 881.189449][ T4492] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 881.196308][ T4492] hub_event+0x2348/0x42d0 [ 881.200791][ T4492] ? hub_port_debounce+0x3b0/0x3b0 [ 881.206420][ T4492] ? __lock_acquire+0x820/0x54f0 [ 881.212014][ T4492] ? put_pwq+0xb1/0x1b0 [ 881.216193][ T4492] ? lock_release+0x6d0/0x6d0 [ 881.221688][ T4492] ? lock_downgrade+0x6d0/0x6d0 [ 881.227270][ T4492] ? do_raw_spin_lock+0x120/0x2b0 [ 881.232893][ T4492] process_one_work+0x933/0x1520 [ 881.238465][ T4492] ? lock_release+0x6d0/0x6d0 [ 881.243978][ T4492] ? pwq_dec_nr_in_flight+0x320/0x320 [ 881.249724][ T4492] ? rwlock_bug.part.0+0x90/0x90 [ 881.255287][ T4492] worker_thread+0x64c/0x1120 [ 881.260776][ T4492] ? process_one_work+0x1520/0x1520 [ 881.266414][ T4492] kthread+0x38c/0x460 [ 881.270833][ T4492] ? _raw_spin_unlock_irq+0x1f/0x30 [ 881.276738][ T4492] ? kthread_create_worker_on_cpu+0xf0/0xf0 executing program executing program [ 881.283525][ T4492] ret_from_fork+0x1f/0x30 executing program [ 881.309617][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 881.335763][ T2619] usb 3-1: USB disconnect, device number 59 [ 881.371253][ T5592] usb 4-1: USB disconnect, device number 57 [ 881.405867][ T9299] usb-storage 5-1:0.0: USB Mass Storage device detected [ 881.420858][ T4492] usb 1-1: USB disconnect, device number 59 [ 881.464018][ T9299] usb 5-1: USB disconnect, device number 57 [ 881.617574][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 881.626713][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 881.634756][ T4501] usb 6-1: Product: syz [ 881.639703][ T4501] usb 6-1: Manufacturer: syz [ 881.644410][ T4501] usb 6-1: SerialNumber: syz [ 881.654543][ T4501] usb 6-1: config 0 descriptor?? [ 881.687505][ T4414] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 881.696605][ T4414] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 881.704887][ T4414] usb 2-1: Product: syz [ 881.707462][ T2619] usb 3-1: new high-speed USB device number 60 using dummy_hcd [ 881.709087][ T4414] usb 2-1: Manufacturer: syz [ 881.709102][ T4414] usb 2-1: SerialNumber: syz [ 881.736282][ T4414] usb 2-1: config 0 descriptor?? [ 881.757822][ T5592] usb 4-1: new high-speed USB device number 58 using dummy_hcd [ 881.797529][ T4492] usb 1-1: new high-speed USB device number 60 using dummy_hcd [ 881.877443][ T9299] usb 5-1: new high-speed USB device number 58 using dummy_hcd [ 881.928382][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 881.936739][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected [ 882.018418][ T4414] hso 2-1:0.0: Failed to find BULK IN ep [ 882.025738][ T4414] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 882.128983][ T30] usb 6-1: USB disconnect, device number 60 executing program [ 882.218767][ T4414] usb 2-1: USB disconnect, device number 60 [ 882.229512][ T2619] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 882.238713][ T2619] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 882.246705][ T2619] usb 3-1: Product: syz [ 882.250967][ T2619] usb 3-1: Manufacturer: syz [ 882.256012][ T2619] usb 3-1: SerialNumber: syz [ 882.282173][ T2619] usb 3-1: config 0 descriptor?? [ 882.337561][ T4492] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 882.346651][ T4492] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 882.354739][ T4492] usb 1-1: Product: syz [ 882.357944][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 882.359042][ T4492] usb 1-1: Manufacturer: syz [ 882.368005][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 882.372562][ T4492] usb 1-1: SerialNumber: syz [ 882.380583][ T5592] usb 4-1: Product: syz [ 882.389545][ T5592] usb 4-1: Manufacturer: syz [ 882.395677][ T5592] usb 4-1: SerialNumber: syz [ 882.406383][ T5592] usb 4-1: config 0 descriptor?? [ 882.433652][ T4492] usb 1-1: config 0 descriptor?? [ 882.538400][ T2619] hso 3-1:0.0: Failed to find BULK IN ep [ 882.545415][ T2619] usb-storage 3-1:0.0: USB Mass Storage device detected [ 882.558455][ T9299] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 882.567614][ T9299] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 882.575599][ T9299] usb 5-1: Product: syz [ 882.580691][ T9299] usb 5-1: Manufacturer: syz [ 882.585990][ T9299] usb 5-1: SerialNumber: syz [ 882.588447][ T30] usb 6-1: new high-speed USB device number 61 using dummy_hcd [ 882.610162][ T9299] usb 5-1: config 0 descriptor?? [ 882.667520][ T4414] usb 2-1: new high-speed USB device number 61 using dummy_hcd [ 882.688962][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 882.696224][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected [ 882.704596][ T4492] hso 1-1:0.0: Failed to find BULK IN ep executing program [ 882.718204][ T4492] usb-storage 1-1:0.0: USB Mass Storage device detected [ 882.742741][ T4415] usb 3-1: USB disconnect, device number 60 executing program executing program [ 882.869096][ T9299] hso 5-1:0.0: Failed to find BULK IN ep [ 882.876593][ T9299] usb-storage 5-1:0.0: USB Mass Storage device detected [ 882.893574][ T4492] usb 4-1: USB disconnect, device number 58 [ 882.917894][ T2619] usb 1-1: USB disconnect, device number 60 executing program [ 883.068927][ T4806] usb 5-1: USB disconnect, device number 58 [ 883.107549][ T4415] usb 3-1: new high-speed USB device number 61 using dummy_hcd [ 883.127681][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 883.136761][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 883.144815][ T30] usb 6-1: Product: syz [ 883.149726][ T30] usb 6-1: Manufacturer: syz [ 883.154789][ T30] usb 6-1: SerialNumber: syz [ 883.162216][ T30] usb 6-1: config 0 descriptor?? [ 883.267437][ T4414] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 883.276549][ T4414] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 883.284689][ T4414] usb 2-1: Product: syz [ 883.289122][ T4414] usb 2-1: Manufacturer: syz [ 883.293721][ T4414] usb 2-1: SerialNumber: syz [ 883.304164][ T4414] usb 2-1: config 0 descriptor?? [ 883.307913][ T4492] usb 4-1: new high-speed USB device number 59 using dummy_hcd [ 883.317934][ T2619] usb 1-1: new high-speed USB device number 61 using dummy_hcd [ 883.428197][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 883.435652][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 883.517737][ T4806] usb 5-1: new high-speed USB device number 59 using dummy_hcd [ 883.568420][ T4414] hso 2-1:0.0: Failed to find BULK IN ep [ 883.575850][ T4414] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 883.630080][ T4414] usb 6-1: USB disconnect, device number 61 [ 883.643689][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 883.653144][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 883.661375][ T4415] usb 3-1: Product: syz [ 883.665541][ T4415] usb 3-1: Manufacturer: syz [ 883.670194][ T4415] usb 3-1: SerialNumber: syz [ 883.678164][ T4415] usb 3-1: config 0 descriptor?? executing program [ 883.769282][ T30] usb 2-1: USB disconnect, device number 61 [ 883.827786][ T4492] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 883.836824][ T4492] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 883.844856][ T4492] usb 4-1: Product: syz [ 883.849585][ T4492] usb 4-1: Manufacturer: syz [ 883.854869][ T4492] usb 4-1: SerialNumber: syz [ 883.865183][ T4492] usb 4-1: config 0 descriptor?? [ 883.877474][ T2619] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 883.886617][ T2619] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 883.894703][ T2619] usb 1-1: Product: syz [ 883.899375][ T2619] usb 1-1: Manufacturer: syz [ 883.903972][ T2619] usb 1-1: SerialNumber: syz [ 883.912100][ T2619] usb 1-1: config 0 descriptor?? [ 883.938246][ T4415] hso 3-1:0.0: Failed to find BULK IN ep [ 883.959317][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 883.997384][ T4414] usb 6-1: new high-speed USB device number 62 using dummy_hcd [ 884.107394][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 884.116694][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 884.125654][ T4806] usb 5-1: Product: syz [ 884.130307][ T4806] usb 5-1: Manufacturer: syz [ 884.135116][ T4806] usb 5-1: SerialNumber: syz [ 884.141817][ T4492] hso 4-1:0.0: Failed to find BULK IN ep [ 884.150279][ T4492] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 884.157446][ T30] usb 2-1: new high-speed USB device number 62 using dummy_hcd [ 884.179583][ T2619] hso 1-1:0.0: Failed to find BULK IN ep [ 884.191065][ T2619] usb-storage 1-1:0.0: USB Mass Storage device detected [ 884.200597][ T4806] usb 5-1: config 0 descriptor?? [ 884.219370][ T4415] usb 3-1: USB disconnect, device number 61 executing program [ 884.331668][ T9299] usb 4-1: USB disconnect, device number 59 executing program [ 884.379141][ T4501] usb 1-1: USB disconnect, device number 61 [ 884.458204][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 884.465748][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 884.567892][ T4414] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 884.576934][ T4414] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 884.585916][ T4414] usb 6-1: Product: syz [ 884.590381][ T4414] usb 6-1: Manufacturer: syz [ 884.595189][ T4414] usb 6-1: SerialNumber: syz [ 884.598735][ T4415] usb 3-1: new high-speed USB device number 62 using dummy_hcd [ 884.611838][ T4414] usb 6-1: config 0 descriptor?? executing program [ 884.659342][ T5592] usb 5-1: USB disconnect, device number 59 [ 884.677417][ T30] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 884.686559][ T30] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 884.694669][ T30] usb 2-1: Product: syz [ 884.698881][ T30] usb 2-1: Manufacturer: syz [ 884.703476][ T30] usb 2-1: SerialNumber: syz [ 884.727126][ T30] usb 2-1: config 0 descriptor?? [ 884.747783][ T4501] usb 1-1: new high-speed USB device number 62 using dummy_hcd [ 884.755384][ T9299] usb 4-1: new high-speed USB device number 60 using dummy_hcd [ 884.898350][ T4414] hso 6-1:0.0: Failed to find BULK IN ep [ 884.906466][ T4414] usb-storage 6-1:0.0: USB Mass Storage device detected [ 884.993913][ T30] hso 2-1:0.0: Failed to find BULK IN ep [ 885.001828][ T30] usb-storage 2-1:0.0: USB Mass Storage device detected executing program [ 885.067995][ T5592] usb 5-1: new high-speed USB device number 60 using dummy_hcd [ 885.098862][ T30] usb 6-1: USB disconnect, device number 62 [ 885.127625][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 885.136813][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 885.144877][ T4415] usb 3-1: Product: syz [ 885.149437][ T4415] usb 3-1: Manufacturer: syz [ 885.154864][ T4415] usb 3-1: SerialNumber: syz [ 885.162525][ T4415] usb 3-1: config 0 descriptor?? executing program [ 885.189545][ T5121] usb 2-1: USB disconnect, device number 62 [ 885.347448][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 885.356586][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 885.364630][ T4501] usb 1-1: Product: syz [ 885.369225][ T4501] usb 1-1: Manufacturer: syz [ 885.374702][ T4501] usb 1-1: SerialNumber: syz [ 885.380399][ T9299] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 885.389491][ T9299] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 885.397522][ T9299] usb 4-1: Product: syz [ 885.402251][ T9299] usb 4-1: Manufacturer: syz [ 885.406900][ T9299] usb 4-1: SerialNumber: syz [ 885.413774][ T9299] usb 4-1: config 0 descriptor?? [ 885.420002][ T4501] usb 1-1: config 0 descriptor?? [ 885.429886][ T4415] hso 3-1:0.0: Failed to find BULK IN ep [ 885.445039][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 885.457907][ T30] usb 6-1: new high-speed USB device number 63 using dummy_hcd executing program [ 885.629010][ T4415] usb 3-1: USB disconnect, device number 62 [ 885.677964][ T9299] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 885.685438][ T9299] CPU: 0 PID: 9299 Comm: kworker/0:9 Not tainted 5.10.0-rc7-syzkaller #0 [ 885.693827][ T9299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 885.703875][ T9299] Workqueue: usb_hub_wq hub_event [ 885.708880][ T9299] Call Trace: [ 885.712207][ T9299] dump_stack+0x107/0x163 [ 885.716528][ T9299] sysfs_warn_dup.cold+0x1c/0x29 [ 885.721560][ T9299] sysfs_do_create_link_sd+0x11e/0x140 [ 885.726997][ T9299] sysfs_create_link+0x5f/0xc0 [ 885.731742][ T9299] device_add+0x79a/0x1ce0 [ 885.736141][ T9299] ? lockdep_init_map_waits+0x26a/0x700 [ 885.741666][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 885.747018][ T9299] ? __init_waitqueue_head+0x97/0x110 [ 885.752374][ T9299] ? pm_runtime_init+0x2cf/0x3b0 [ 885.757304][ T9299] tty_register_device_attr+0x395/0x7b0 [ 885.762853][ T9299] ? put_tty_driver+0xa0/0xa0 [ 885.767519][ T9299] ? mark_held_locks+0x9f/0xe0 [ 885.772262][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 885.778269][ T9299] ? tty_port_register_device_attr+0xbc/0x110 [ 885.784326][ T9299] hso_serial_common_create+0x124/0x8b0 [ 885.789873][ T9299] ? kasan_unpoison_shadow+0x33/0x40 [ 885.795196][ T9299] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 885.800985][ T9299] hso_probe+0xef9/0x1f70 [ 885.805310][ T9299] usb_probe_interface+0x315/0x7f0 [ 885.810400][ T9299] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 885.815751][ T9299] really_probe+0x291/0xde0 [ 885.820236][ T9299] driver_probe_device+0x26b/0x3d0 [ 885.825328][ T9299] __device_attach_driver+0x1d1/0x290 [ 885.830693][ T9299] ? driver_allows_async_probing+0x150/0x150 [ 885.836696][ T9299] bus_for_each_drv+0x15f/0x1e0 [ 885.841572][ T9299] ? bus_for_each_dev+0x1d0/0x1d0 [ 885.846578][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 885.852544][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 885.857565][ T9299] __device_attach+0x228/0x4a0 [ 885.862324][ T9299] ? really_probe+0xde0/0xde0 [ 885.867010][ T9299] ? kobject_uevent_env+0x2bb/0x1680 [ 885.872274][ T9299] bus_probe_device+0x1e4/0x290 executing program executing program [ 885.877637][ T9299] device_add+0xbb2/0x1ce0 [ 885.882060][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 885.887446][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 885.893420][ T9299] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 885.899220][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 885.904269][ T9299] usb_set_configuration+0x113c/0x1910 [ 885.909734][ T9299] usb_generic_driver_probe+0xba/0x100 [ 885.915199][ T9299] usb_probe_device+0xd9/0x2c0 [ 885.919971][ T9299] ? usb_driver_release_interface+0x180/0x180 [ 885.926045][ T9299] really_probe+0x291/0xde0 [ 885.930559][ T9299] driver_probe_device+0x26b/0x3d0 [ 885.935683][ T9299] __device_attach_driver+0x1d1/0x290 [ 885.941063][ T9299] ? driver_allows_async_probing+0x150/0x150 [ 885.947047][ T9299] bus_for_each_drv+0x15f/0x1e0 [ 885.951904][ T9299] ? bus_for_each_dev+0x1d0/0x1d0 [ 885.957021][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 885.963006][ T9299] ? trace_hardirqs_on+0x5b/0x1a0 [ 885.968038][ T9299] __device_attach+0x228/0x4a0 [ 885.972820][ T9299] ? really_probe+0xde0/0xde0 [ 885.977347][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 885.977497][ T9299] ? kobject_uevent_env+0x2bb/0x1680 [ 885.977514][ T9299] bus_probe_device+0x1e4/0x290 [ 885.977529][ T9299] device_add+0xbb2/0x1ce0 [ 885.977543][ T9299] ? devlink_add_symlinks+0x450/0x450 [ 885.977568][ T9299] usb_new_device.cold+0x71d/0xfe9 [ 885.986581][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 885.991825][ T9299] ? hub_disconnect+0x510/0x510 [ 885.991840][ T9299] ? rwlock_bug.part.0+0x90/0x90 [ 885.991854][ T9299] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 885.991869][ T9299] hub_event+0x2348/0x42d0 [ 885.991884][ T9299] ? hub_port_debounce+0x3b0/0x3b0 [ 885.991895][ T9299] ? __lock_acquire+0x820/0x54f0 [ 885.991916][ T9299] ? put_pwq+0xb1/0x1b0 [ 885.996736][ T30] usb 6-1: Product: syz [ 886.001124][ T9299] ? lock_release+0x6d0/0x6d0 [ 886.001138][ T9299] ? lock_downgrade+0x6d0/0x6d0 [ 886.001152][ T9299] ? do_raw_spin_lock+0x120/0x2b0 [ 886.001168][ T9299] process_one_work+0x933/0x1520 [ 886.001180][ T9299] ? lock_release+0x6d0/0x6d0 [ 886.001201][ T9299] ? pwq_dec_nr_in_flight+0x320/0x320 [ 886.006542][ T30] usb 6-1: Manufacturer: syz [ 886.011625][ T9299] ? rwlock_bug.part.0+0x90/0x90 [ 886.011641][ T9299] worker_thread+0x64c/0x1120 [ 886.011661][ T9299] ? __kthread_parkme+0x118/0x1d0 [ 886.019639][ T30] usb 6-1: SerialNumber: syz [ 886.024444][ T9299] ? process_one_work+0x1520/0x1520 [ 886.024462][ T9299] kthread+0x38c/0x460 [ 886.038315][ T4415] usb 3-1: new high-speed USB device number 63 using dummy_hcd [ 886.040001][ T9299] ? _raw_spin_unlock_irq+0x1f/0x30 [ 886.101057][ T30] usb 6-1: config 0 descriptor?? [ 886.105220][ T9299] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 886.105236][ T9299] ret_from_fork+0x1f/0x30 [ 886.105692][ T5121] usb 2-1: new high-speed USB device number 63 using dummy_hcd [ 886.162317][ T5592] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 886.171394][ T5592] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 886.179894][ T5592] usb 5-1: Product: syz [ 886.184062][ T5592] usb 5-1: Manufacturer: syz [ 886.188705][ T5592] usb 5-1: SerialNumber: syz [ 886.194685][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 886.203946][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 886.213790][ T5592] usb 5-1: config 0 descriptor?? [ 886.220296][ T9299] usb-storage 4-1:0.0: USB Mass Storage device detected [ 886.263597][ T4501] usb 1-1: USB disconnect, device number 62 [ 886.311347][ T9299] usb 4-1: USB disconnect, device number 60 [ 886.380069][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 886.390862][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected [ 886.488779][ T5592] hso 5-1:0.0: Failed to find BULK IN ep [ 886.508895][ T5592] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 886.580468][ T30] usb 6-1: USB disconnect, device number 63 [ 886.657238][ T4415] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 886.666432][ T4415] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 886.674501][ T4415] usb 3-1: Product: syz [ 886.678927][ T4415] usb 3-1: Manufacturer: syz [ 886.683525][ T4415] usb 3-1: SerialNumber: syz [ 886.692025][ T4415] usb 3-1: config 0 descriptor?? [ 886.697239][ T4501] usb 1-1: new high-speed USB device number 63 using dummy_hcd executing program [ 886.699741][ T4806] usb 5-1: USB disconnect, device number 60 [ 886.704908][ T9299] usb 4-1: new high-speed USB device number 61 using dummy_hcd [ 886.837257][ T5121] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 886.846400][ T5121] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 886.854531][ T5121] usb 2-1: Product: syz [ 886.859108][ T5121] usb 2-1: Manufacturer: syz [ 886.863789][ T5121] usb 2-1: SerialNumber: syz [ 886.873953][ T5121] usb 2-1: config 0 descriptor?? [ 886.947147][ T30] usb 6-1: new high-speed USB device number 64 using dummy_hcd [ 886.958895][ T4415] hso 3-1:0.0: Failed to find BULK IN ep [ 886.973551][ T4415] usb-storage 3-1:0.0: USB Mass Storage device detected [ 887.117144][ T4806] usb 5-1: new high-speed USB device number 61 using dummy_hcd executing program [ 887.159627][ T5121] hso 2-1:0.0: Failed to find BULK IN ep [ 887.166457][ T5592] usb 3-1: USB disconnect, device number 63 [ 887.181963][ T5121] usb-storage 2-1:0.0: USB Mass Storage device detected [ 887.317245][ T9299] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 887.326340][ T9299] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 887.334401][ T9299] usb 4-1: Product: syz [ 887.339342][ T9299] usb 4-1: Manufacturer: syz [ 887.344707][ T9299] usb 4-1: SerialNumber: syz [ 887.349668][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 887.358772][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 887.366781][ T4501] usb 1-1: Product: syz [ 887.371003][ T4501] usb 1-1: Manufacturer: syz [ 887.371940][ T4492] usb 2-1: USB disconnect, device number 63 [ 887.375592][ T4501] usb 1-1: SerialNumber: syz [ 887.379665][ T4501] usb 1-1: config 0 descriptor?? [ 887.404336][ T9299] usb 4-1: config 0 descriptor?? [ 887.467468][ T30] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 887.476535][ T30] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 887.484595][ T30] usb 6-1: Product: syz [ 887.488805][ T30] usb 6-1: Manufacturer: syz [ 887.493436][ T30] usb 6-1: SerialNumber: syz [ 887.508953][ T30] usb 6-1: config 0 descriptor?? [ 887.657242][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 887.657716][ T5592] usb 3-1: new high-speed USB device number 64 using dummy_hcd [ 887.666335][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 887.674382][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 887.681927][ T4806] usb 5-1: Product: syz [ 887.681943][ T4806] usb 5-1: Manufacturer: syz [ 887.689832][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 887.691739][ T4806] usb 5-1: SerialNumber: syz [ 887.709830][ T9299] hso 4-1:0.0: Failed to find BULK IN ep [ 887.717851][ T9299] usb-storage 4-1:0.0: USB Mass Storage device detected [ 887.734603][ T4806] usb 5-1: config 0 descriptor?? [ 887.767950][ T4492] usb 2-1: new high-speed USB device number 64 using dummy_hcd [ 887.776688][ T30] hso 6-1:0.0: Failed to find BULK IN ep [ 887.786825][ T30] usb-storage 6-1:0.0: USB Mass Storage device detected executing program [ 887.858909][ T4415] usb 1-1: USB disconnect, device number 63 executing program [ 887.906713][ T30] usb 4-1: USB disconnect, device number 61 executing program [ 887.969632][ T4501] usb 6-1: USB disconnect, device number 64 [ 888.009066][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 888.025116][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected executing program [ 888.209002][ T4806] usb 5-1: USB disconnect, device number 61 [ 888.277072][ T30] usb 4-1: new high-speed USB device number 62 using dummy_hcd [ 888.284710][ T4415] usb 1-1: new high-speed USB device number 64 using dummy_hcd [ 888.294345][ T4492] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 888.303533][ T4492] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 888.312468][ T4492] usb 2-1: Product: syz [ 888.316948][ T4492] usb 2-1: Manufacturer: syz [ 888.321669][ T4492] usb 2-1: SerialNumber: syz [ 888.327295][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 888.330743][ T4492] usb 2-1: config 0 descriptor?? [ 888.336396][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 888.349414][ T5592] usb 3-1: Product: syz [ 888.353585][ T5592] usb 3-1: Manufacturer: syz [ 888.358921][ T5592] usb 3-1: SerialNumber: syz [ 888.366612][ T5592] usb 3-1: config 0 descriptor?? [ 888.427211][ T4501] usb 6-1: new high-speed USB device number 65 using dummy_hcd [ 888.597979][ T4492] hso 2-1:0.0: Failed to find BULK IN ep [ 888.605257][ T4492] usb-storage 2-1:0.0: USB Mass Storage device detected [ 888.617284][ T4806] usb 5-1: new high-speed USB device number 62 using dummy_hcd [ 888.648424][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 888.668243][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 888.797655][ T30] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 888.799007][ T5592] usb 2-1: USB disconnect, device number 64 [ 888.806724][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 888.820906][ T30] usb 4-1: Product: syz [ 888.825325][ T30] usb 4-1: Manufacturer: syz [ 888.830893][ T30] usb 4-1: SerialNumber: syz executing program [ 888.852422][ T5121] usb 3-1: USB disconnect, device number 64 [ 888.867477][ T4415] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 888.876536][ T4415] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 888.884578][ T4415] usb 1-1: Product: syz [ 888.888793][ T4415] usb 1-1: Manufacturer: syz [ 888.893395][ T4415] usb 1-1: SerialNumber: syz [ 888.910519][ T30] usb 4-1: config 0 descriptor?? [ 888.929448][ T4415] usb 1-1: config 0 descriptor?? [ 889.037149][ T4501] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 889.046244][ T4501] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 889.054349][ T4501] usb 6-1: Product: syz [ 889.058568][ T4501] usb 6-1: Manufacturer: syz [ 889.063186][ T4501] usb 6-1: SerialNumber: syz [ 889.070031][ T4501] usb 6-1: config 0 descriptor?? [ 889.168294][ T30] hso 4-1:0.0: Failed to find BULK IN ep [ 889.175380][ T30] usb-storage 4-1:0.0: USB Mass Storage device detected [ 889.182721][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 889.192419][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 889.200479][ T4806] usb 5-1: Product: syz [ 889.204643][ T4806] usb 5-1: Manufacturer: syz [ 889.209302][ T4806] usb 5-1: SerialNumber: syz [ 889.217344][ T4415] hso 1-1:0.0: Failed to find BULK IN ep [ 889.224717][ T4415] usb-storage 1-1:0.0: USB Mass Storage device detected [ 889.234511][ T4806] usb 5-1: config 0 descriptor?? [ 889.237003][ T5592] usb 2-1: new high-speed USB device number 65 using dummy_hcd [ 889.317003][ T5121] usb 3-1: new high-speed USB device number 65 using dummy_hcd [ 889.328318][ T4501] hso 6-1:0.0: Failed to find BULK IN ep [ 889.336743][ T4501] usb-storage 6-1:0.0: USB Mass Storage device detected executing program executing program [ 889.375135][ T9299] usb 4-1: USB disconnect, device number 62 [ 889.409513][ T4501] usb 1-1: USB disconnect, device number 64 executing program [ 889.498168][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 889.505245][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 889.536876][ T4415] usb 6-1: USB disconnect, device number 65 executing program [ 889.698627][ T4806] usb 5-1: USB disconnect, device number 62 [ 889.816961][ T9299] usb 4-1: new high-speed USB device number 63 using dummy_hcd [ 889.837122][ T4501] usb 1-1: new high-speed USB device number 65 using dummy_hcd [ 889.867145][ T5592] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 889.876201][ T5592] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 889.884311][ T5592] usb 2-1: Product: syz [ 889.888645][ T5592] usb 2-1: Manufacturer: syz [ 889.893966][ T5592] usb 2-1: SerialNumber: syz [ 889.897000][ T4415] usb 6-1: new high-speed USB device number 66 using dummy_hcd [ 889.900498][ T5592] usb 2-1: config 0 descriptor?? [ 889.947178][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 889.956334][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 889.964369][ T5121] usb 3-1: Product: syz [ 889.969059][ T5121] usb 3-1: Manufacturer: syz [ 889.973771][ T5121] usb 3-1: SerialNumber: syz [ 889.988122][ T5121] usb 3-1: config 0 descriptor?? [ 890.106976][ T4806] usb 5-1: new high-speed USB device number 63 using dummy_hcd [ 890.197928][ T5592] hso 2-1:0.0: Failed to find BULK IN ep [ 890.205406][ T5592] usb-storage 2-1:0.0: USB Mass Storage device detected [ 890.237874][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 890.245405][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 890.398754][ T5121] usb 2-1: USB disconnect, device number 65 [ 890.427358][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 890.436467][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 890.441705][ T5592] usb 3-1: USB disconnect, device number 65 [ 890.444523][ T4415] usb 6-1: Product: syz [ 890.454746][ T4415] usb 6-1: Manufacturer: syz [ 890.457309][ T9299] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 890.460263][ T4415] usb 6-1: SerialNumber: syz [ 890.469350][ T9299] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 890.482090][ T9299] usb 4-1: Product: syz [ 890.486256][ T9299] usb 4-1: Manufacturer: syz [ 890.490885][ T9299] usb 4-1: SerialNumber: syz [ 890.496387][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 890.505797][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 890.513825][ T4501] usb 1-1: Product: syz [ 890.518024][ T4501] usb 1-1: Manufacturer: syz [ 890.518428][ T4415] usb 6-1: config 0 descriptor?? [ 890.522609][ T4501] usb 1-1: SerialNumber: syz [ 890.546734][ T4501] usb 1-1: config 0 descriptor?? [ 890.567924][ T9299] usb 4-1: config 0 descriptor?? [ 890.647147][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 890.657042][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 890.665037][ T4806] usb 5-1: Product: syz [ 890.669277][ T4806] usb 5-1: Manufacturer: syz [ 890.673944][ T4806] usb 5-1: SerialNumber: syz [ 890.680769][ T4806] usb 5-1: config 0 descriptor?? [ 890.817332][ T4501] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 890.817972][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 890.824854][ T4501] CPU: 0 PID: 4501 Comm: kworker/0:4 Not tainted 5.10.0-rc7-syzkaller #0 [ 890.824863][ T4501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 890.824884][ T4501] Workqueue: usb_hub_wq hub_event [ 890.832603][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 890.838915][ T4501] [ 890.838922][ T4501] Call Trace: [ 890.838943][ T4501] dump_stack+0x107/0x163 [ 890.838958][ T4501] sysfs_warn_dup.cold+0x1c/0x29 [ 890.838976][ T4501] sysfs_do_create_link_sd+0x11e/0x140 [ 890.838990][ T4501] sysfs_create_link+0x5f/0xc0 [ 890.839004][ T4501] device_add+0x79a/0x1ce0 [ 890.839020][ T4501] ? lockdep_init_map_waits+0x26a/0x700 [ 890.839033][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 890.839046][ T4501] ? __init_waitqueue_head+0x97/0x110 [ 890.839061][ T4501] ? pm_runtime_init+0x2cf/0x3b0 [ 890.839076][ T4501] tty_register_device_attr+0x395/0x7b0 [ 890.839097][ T4501] ? put_tty_driver+0xa0/0xa0 [ 890.927239][ T4501] ? mark_held_locks+0x9f/0xe0 [ 890.932014][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 890.937883][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 890.937995][ T4501] ? tty_port_register_device_attr+0xbc/0x110 [ 890.938015][ T4501] hso_serial_common_create+0x124/0x8b0 [ 890.938031][ T4501] ? kasan_unpoison_shadow+0x33/0x40 [ 890.938055][ T4501] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 890.959536][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 890.960505][ T4501] hso_probe+0xef9/0x1f70 [ 890.960523][ T4501] usb_probe_interface+0x315/0x7f0 [ 890.960538][ T4501] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 890.960554][ T4501] really_probe+0x291/0xde0 [ 890.960567][ T4501] driver_probe_device+0x26b/0x3d0 [ 890.960588][ T4501] __device_attach_driver+0x1d1/0x290 [ 891.006518][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 891.012509][ T4501] bus_for_each_drv+0x15f/0x1e0 executing program executing program [ 891.017371][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 891.022401][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 891.028388][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 891.033423][ T4501] __device_attach+0x228/0x4a0 [ 891.038199][ T4501] ? really_probe+0xde0/0xde0 [ 891.042889][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 891.048180][ T4501] bus_probe_device+0x1e4/0x290 [ 891.053033][ T4501] device_add+0xbb2/0x1ce0 [ 891.057541][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 891.062922][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 891.068912][ T4501] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 891.074722][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 891.079753][ T4501] usb_set_configuration+0x113c/0x1910 [ 891.085219][ T4501] usb_generic_driver_probe+0xba/0x100 [ 891.090684][ T4501] usb_probe_device+0xd9/0x2c0 [ 891.095456][ T4501] ? usb_driver_release_interface+0x180/0x180 [ 891.101527][ T4501] really_probe+0x291/0xde0 [ 891.106030][ T4501] driver_probe_device+0x26b/0x3d0 [ 891.111141][ T4501] __device_attach_driver+0x1d1/0x290 [ 891.116493][ T4501] ? driver_allows_async_probing+0x150/0x150 [ 891.122452][ T4501] bus_for_each_drv+0x15f/0x1e0 [ 891.127296][ T4501] ? bus_for_each_dev+0x1d0/0x1d0 [ 891.132322][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 891.138327][ T4501] ? trace_hardirqs_on+0x5b/0x1a0 [ 891.143348][ T4501] __device_attach+0x228/0x4a0 [ 891.148620][ T4501] ? really_probe+0xde0/0xde0 [ 891.153282][ T4501] ? kobject_uevent_env+0x2bb/0x1680 [ 891.158563][ T4501] bus_probe_device+0x1e4/0x290 [ 891.163406][ T4501] device_add+0xbb2/0x1ce0 [ 891.167805][ T4501] ? devlink_add_symlinks+0x450/0x450 [ 891.173161][ T4501] usb_new_device.cold+0x71d/0xfe9 [ 891.178255][ T4501] ? hub_disconnect+0x510/0x510 [ 891.183090][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 891.188014][ T4501] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 891.193977][ T4501] hub_event+0x2348/0x42d0 [ 891.198378][ T4501] ? hub_port_debounce+0x3b0/0x3b0 [ 891.203470][ T4501] ? __lock_acquire+0x820/0x54f0 [ 891.208394][ T4501] ? put_pwq+0xb1/0x1b0 [ 891.212535][ T4501] ? lock_release+0x6d0/0x6d0 [ 891.217196][ T4501] ? lock_downgrade+0x6d0/0x6d0 [ 891.222030][ T4501] ? do_raw_spin_lock+0x120/0x2b0 [ 891.227039][ T4501] process_one_work+0x933/0x1520 [ 891.231971][ T4501] ? lock_release+0x6d0/0x6d0 [ 891.236631][ T4501] ? pwq_dec_nr_in_flight+0x320/0x320 [ 891.241987][ T4501] ? rwlock_bug.part.0+0x90/0x90 [ 891.246918][ T4501] worker_thread+0x64c/0x1120 [ 891.251589][ T4501] ? __kthread_parkme+0x118/0x1d0 [ 891.256614][ T4501] ? process_one_work+0x1520/0x1520 [ 891.261883][ T4501] kthread+0x38c/0x460 executing program [ 891.265951][ T4501] ? _raw_spin_unlock_irq+0x1f/0x30 [ 891.271134][ T4501] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 891.277009][ T4501] ret_from_fork+0x1f/0x30 [ 891.283420][ T9299] hso 4-1:0.0: Failed to find BULK IN ep [ 891.299185][ T9299] usb-storage 4-1:0.0: USB Mass Storage device detected [ 891.316555][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 891.345066][ T4415] usb 6-1: USB disconnect, device number 66 [ 891.357100][ T5121] usb 2-1: new high-speed USB device number 66 using dummy_hcd [ 891.365380][ T5592] usb 3-1: new high-speed USB device number 66 using dummy_hcd [ 891.383907][ T4806] usb 5-1: USB disconnect, device number 63 [ 891.416583][ T4501] usb 1-1: USB disconnect, device number 65 executing program [ 891.487670][ T4925] usb 4-1: USB disconnect, device number 63 [ 891.737023][ T4806] usb 5-1: new high-speed USB device number 64 using dummy_hcd [ 891.744661][ T4415] usb 6-1: new high-speed USB device number 67 using dummy_hcd [ 891.786905][ T4501] usb 1-1: new high-speed USB device number 66 using dummy_hcd [ 891.876959][ T4925] usb 4-1: new high-speed USB device number 64 using dummy_hcd [ 891.937057][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 891.946161][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 891.954259][ T5592] usb 3-1: Product: syz [ 891.959156][ T5592] usb 3-1: Manufacturer: syz [ 891.963906][ T5592] usb 3-1: SerialNumber: syz [ 891.968841][ T5121] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 891.977946][ T5121] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 891.985932][ T5121] usb 2-1: Product: syz [ 891.990164][ T5121] usb 2-1: Manufacturer: syz [ 891.995063][ T5121] usb 2-1: SerialNumber: syz [ 892.002548][ T5121] usb 2-1: config 0 descriptor?? [ 892.008752][ T5592] usb 3-1: config 0 descriptor?? [ 892.267601][ T5121] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 892.275127][ T5121] CPU: 0 PID: 5121 Comm: kworker/0:6 Not tainted 5.10.0-rc7-syzkaller #0 [ 892.283572][ T5121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 892.293623][ T5121] Workqueue: usb_hub_wq hub_event [ 892.298672][ T5121] Call Trace: [ 892.301985][ T5121] dump_stack+0x107/0x163 [ 892.306294][ T5121] sysfs_warn_dup.cold+0x1c/0x29 [ 892.311238][ T5121] sysfs_do_create_link_sd+0x11e/0x140 [ 892.316811][ T5121] sysfs_create_link+0x5f/0xc0 [ 892.321613][ T5121] device_add+0x79a/0x1ce0 [ 892.326013][ T5121] ? lockdep_init_map_waits+0x26a/0x700 [ 892.328191][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 892.331551][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 892.331568][ T5121] ? __init_waitqueue_head+0x97/0x110 [ 892.331583][ T5121] ? pm_runtime_init+0x2cf/0x3b0 [ 892.331600][ T5121] tty_register_device_attr+0x395/0x7b0 [ 892.331614][ T5121] ? put_tty_driver+0xa0/0xa0 [ 892.331642][ T5121] ? mark_held_locks+0x9f/0xe0 [ 892.340681][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 892.346006][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 892.351403][ T4806] usb 5-1: Product: syz [ 892.356264][ T5121] ? tty_port_register_device_attr+0xbc/0x110 [ 892.361798][ T4806] usb 5-1: Manufacturer: syz [ 892.366430][ T5121] hso_serial_common_create+0x124/0x8b0 [ 892.366452][ T5121] ? kasan_unpoison_shadow+0x33/0x40 [ 892.371203][ T4806] usb 5-1: SerialNumber: syz [ 892.379135][ T5121] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 892.379149][ T5121] hso_probe+0xef9/0x1f70 [ 892.379169][ T5121] usb_probe_interface+0x315/0x7f0 [ 892.397687][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 892.400674][ T5121] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 892.406191][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 892.411447][ T5121] really_probe+0x291/0xde0 [ 892.411462][ T5121] driver_probe_device+0x26b/0x3d0 [ 892.411476][ T5121] __device_attach_driver+0x1d1/0x290 [ 892.411497][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 892.416058][ T4415] usb 6-1: Product: syz [ 892.421846][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 892.421860][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 892.421873][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 892.421892][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 892.426207][ T4415] usb 6-1: Manufacturer: syz [ 892.431319][ T5121] __device_attach+0x228/0x4a0 [ 892.431338][ T5121] ? really_probe+0xde0/0xde0 [ 892.431359][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 892.440360][ T4415] usb 6-1: SerialNumber: syz [ 892.445700][ T5121] bus_probe_device+0x1e4/0x290 [ 892.445718][ T5121] device_add+0xbb2/0x1ce0 [ 892.532909][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 892.538272][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 892.544240][ T5121] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 892.550063][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 892.555082][ T5121] usb_set_configuration+0x113c/0x1910 [ 892.560551][ T5121] usb_generic_driver_probe+0xba/0x100 [ 892.565998][ T5121] usb_probe_device+0xd9/0x2c0 [ 892.570756][ T5121] ? usb_driver_release_interface+0x180/0x180 [ 892.576814][ T5121] really_probe+0x291/0xde0 [ 892.581319][ T5121] driver_probe_device+0x26b/0x3d0 [ 892.586420][ T5121] __device_attach_driver+0x1d1/0x290 [ 892.591781][ T5121] ? driver_allows_async_probing+0x150/0x150 [ 892.597749][ T5121] bus_for_each_drv+0x15f/0x1e0 [ 892.602585][ T5121] ? bus_for_each_dev+0x1d0/0x1d0 [ 892.607605][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 892.613566][ T5121] ? trace_hardirqs_on+0x5b/0x1a0 [ 892.618573][ T5121] __device_attach+0x228/0x4a0 [ 892.623321][ T5121] ? really_probe+0xde0/0xde0 [ 892.627983][ T5121] ? kobject_uevent_env+0x2bb/0x1680 [ 892.633250][ T5121] bus_probe_device+0x1e4/0x290 [ 892.638083][ T5121] device_add+0xbb2/0x1ce0 [ 892.642482][ T5121] ? devlink_add_symlinks+0x450/0x450 [ 892.647860][ T5121] usb_new_device.cold+0x71d/0xfe9 [ 892.652958][ T5121] ? hub_disconnect+0x510/0x510 [ 892.657803][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 892.662748][ T5121] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 892.668725][ T5121] hub_event+0x2348/0x42d0 [ 892.673226][ T5121] ? hub_port_debounce+0x3b0/0x3b0 [ 892.678319][ T5121] ? __lock_acquire+0x820/0x54f0 [ 892.683239][ T5121] ? put_pwq+0xb1/0x1b0 [ 892.687393][ T5121] ? lock_release+0x6d0/0x6d0 [ 892.692076][ T5121] ? lock_downgrade+0x6d0/0x6d0 [ 892.696926][ T5121] ? do_raw_spin_lock+0x120/0x2b0 [ 892.701949][ T5121] process_one_work+0x933/0x1520 [ 892.706879][ T5121] ? lock_release+0x6d0/0x6d0 [ 892.711546][ T5121] ? pwq_dec_nr_in_flight+0x320/0x320 [ 892.716904][ T5121] ? rwlock_bug.part.0+0x90/0x90 [ 892.721828][ T5121] worker_thread+0x64c/0x1120 [ 892.726490][ T5121] ? __kthread_parkme+0x118/0x1d0 [ 892.731501][ T5121] ? process_one_work+0x1520/0x1520 [ 892.736682][ T5121] kthread+0x38c/0x460 [ 892.740767][ T5121] ? _raw_spin_unlock_irq+0x1f/0x30 [ 892.745953][ T5121] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 892.751833][ T5121] ret_from_fork+0x1f/0x30 [ 892.758527][ T5592] hso 3-1:0.0: Failed to find BULK IN ep executing program [ 892.769949][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected [ 892.797467][ T4501] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 892.806558][ T4501] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 892.814623][ T4501] usb 1-1: Product: syz [ 892.818827][ T4501] usb 1-1: Manufacturer: syz [ 892.823422][ T4501] usb 1-1: SerialNumber: syz [ 892.830373][ T4501] usb 1-1: config 0 descriptor?? [ 892.836105][ T5121] usb-storage 2-1:0.0: USB Mass Storage device detected [ 892.847180][ T5592] usb 3-1: USB disconnect, device number 66 [ 892.904066][ T5121] usb 2-1: USB disconnect, device number 66 [ 892.904966][ T4806] usb 5-1: config 0 descriptor?? [ 892.910396][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 892.924386][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 892.932441][ T4925] usb 4-1: Product: syz [ 892.937165][ T4925] usb 4-1: Manufacturer: syz [ 892.937504][ T4415] usb 6-1: config 0 descriptor?? [ 892.941850][ T4925] usb 4-1: SerialNumber: syz [ 892.962802][ T4925] usb 4-1: config 0 descriptor?? executing program [ 893.088371][ T4501] hso 1-1:0.0: Failed to find BULK IN ep [ 893.099313][ T4501] usb-storage 1-1:0.0: USB Mass Storage device detected [ 893.217982][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 893.230567][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 893.237893][ T5592] usb 3-1: new high-speed USB device number 67 using dummy_hcd [ 893.250623][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 893.257411][ T4925] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 893.258598][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 893.264885][ T4925] CPU: 0 PID: 4925 Comm: kworker/0:5 Not tainted 5.10.0-rc7-syzkaller #0 [ 893.264895][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 893.264914][ T4925] Workqueue: usb_hub_wq hub_event [ 893.264927][ T4925] Call Trace: [ 893.264945][ T4925] dump_stack+0x107/0x163 [ 893.264964][ T4925] sysfs_warn_dup.cold+0x1c/0x29 [ 893.296119][ T30] usb 1-1: USB disconnect, device number 66 [ 893.298592][ T4925] sysfs_do_create_link_sd+0x11e/0x140 [ 893.298609][ T4925] sysfs_create_link+0x5f/0xc0 [ 893.298623][ T4925] device_add+0x79a/0x1ce0 [ 893.298640][ T4925] ? lockdep_init_map_waits+0x26a/0x700 [ 893.298654][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 893.298667][ T4925] ? __init_waitqueue_head+0x97/0x110 [ 893.298687][ T4925] ? pm_runtime_init+0x2cf/0x3b0 [ 893.350456][ T4925] tty_register_device_attr+0x395/0x7b0 [ 893.356014][ T4925] ? put_tty_driver+0xa0/0xa0 [ 893.360725][ T4925] ? mark_held_locks+0x9f/0xe0 [ 893.366554][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 893.372624][ T4925] ? tty_port_register_device_attr+0xbc/0x110 [ 893.378995][ T4925] hso_serial_common_create+0x124/0x8b0 [ 893.385490][ T4925] ? kasan_unpoison_shadow+0x33/0x40 [ 893.391602][ T4925] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 893.397819][ T4925] hso_probe+0xef9/0x1f70 [ 893.402821][ T4925] usb_probe_interface+0x315/0x7f0 [ 893.407950][ T4925] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 893.413331][ T4925] really_probe+0x291/0xde0 [ 893.417842][ T4925] driver_probe_device+0x26b/0x3d0 [ 893.422958][ T4925] __device_attach_driver+0x1d1/0x290 [ 893.428338][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 893.434953][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 893.439815][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 893.444845][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 893.450834][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 893.455862][ T4925] __device_attach+0x228/0x4a0 [ 893.460631][ T4925] ? really_probe+0xde0/0xde0 [ 893.465317][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 893.470609][ T4925] bus_probe_device+0x1e4/0x290 [ 893.475610][ T4925] device_add+0xbb2/0x1ce0 [ 893.480034][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 893.485413][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 893.492306][ T4925] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 893.498121][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 893.503154][ T4925] usb_set_configuration+0x113c/0x1910 [ 893.508622][ T4925] usb_generic_driver_probe+0xba/0x100 [ 893.514087][ T4925] usb_probe_device+0xd9/0x2c0 [ 893.518875][ T4925] ? usb_driver_release_interface+0x180/0x180 [ 893.525789][ T4925] really_probe+0x291/0xde0 [ 893.530463][ T4925] driver_probe_device+0x26b/0x3d0 [ 893.536359][ T4925] __device_attach_driver+0x1d1/0x290 [ 893.542317][ T4925] ? driver_allows_async_probing+0x150/0x150 [ 893.548491][ T4925] bus_for_each_drv+0x15f/0x1e0 [ 893.553352][ T4925] ? bus_for_each_dev+0x1d0/0x1d0 [ 893.559055][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 893.565172][ T4925] ? trace_hardirqs_on+0x5b/0x1a0 [ 893.570204][ T4925] __device_attach+0x228/0x4a0 [ 893.576053][ T4925] ? really_probe+0xde0/0xde0 [ 893.580742][ T4925] ? kobject_uevent_env+0x2bb/0x1680 [ 893.586536][ T4925] bus_probe_device+0x1e4/0x290 [ 893.591393][ T4925] device_add+0xbb2/0x1ce0 [ 893.595813][ T4925] ? devlink_add_symlinks+0x450/0x450 [ 893.601646][ T4925] usb_new_device.cold+0x71d/0xfe9 [ 893.607604][ T4925] ? hub_disconnect+0x510/0x510 [ 893.612462][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 893.618220][ T4925] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 893.624309][ T4925] hub_event+0x2348/0x42d0 [ 893.628909][ T4925] ? hub_port_debounce+0x3b0/0x3b0 [ 893.634631][ T4925] ? __lock_acquire+0x820/0x54f0 [ 893.640443][ T4925] ? put_pwq+0xb1/0x1b0 [ 893.645080][ T4925] ? lock_release+0x6d0/0x6d0 [ 893.649761][ T4925] ? lock_downgrade+0x6d0/0x6d0 [ 893.655395][ T4925] ? do_raw_spin_lock+0x120/0x2b0 [ 893.661276][ T4925] process_one_work+0x933/0x1520 [ 893.666223][ T4925] ? lock_release+0x6d0/0x6d0 [ 893.670910][ T4925] ? pwq_dec_nr_in_flight+0x320/0x320 [ 893.676540][ T4925] ? rwlock_bug.part.0+0x90/0x90 [ 893.682393][ T4925] worker_thread+0x64c/0x1120 [ 893.687268][ T4925] ? __kthread_parkme+0x118/0x1d0 [ 893.693148][ T4925] ? process_one_work+0x1520/0x1520 [ 893.699023][ T4925] kthread+0x38c/0x460 [ 893.703390][ T4925] ? _raw_spin_unlock_irq+0x1f/0x30 [ 893.709269][ T4925] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 893.715330][ T4925] ret_from_fork+0x1f/0x30 executing program executing program executing program executing program [ 893.734396][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 893.756886][ T4806] usb 5-1: USB disconnect, device number 64 [ 893.783745][ T4415] usb 6-1: USB disconnect, device number 67 [ 893.845051][ T4925] usb 4-1: USB disconnect, device number 64 [ 893.877406][ T5121] usb 2-1: new high-speed USB device number 67 using dummy_hcd [ 894.186707][ T30] usb 1-1: new high-speed USB device number 67 using dummy_hcd [ 894.198744][ T4925] usb 4-1: new high-speed USB device number 65 using dummy_hcd [ 894.206840][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.215878][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 894.216831][ T4806] usb 5-1: new high-speed USB device number 65 using dummy_hcd [ 894.223992][ T5592] usb 3-1: Product: syz [ 894.231782][ T4415] usb 6-1: new high-speed USB device number 68 using dummy_hcd [ 894.235647][ T5592] usb 3-1: Manufacturer: syz [ 894.248154][ T5592] usb 3-1: SerialNumber: syz [ 894.254882][ T5592] usb 3-1: config 0 descriptor?? [ 894.416783][ T5121] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.425924][ T5121] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 894.434050][ T5121] usb 2-1: Product: syz [ 894.438782][ T5121] usb 2-1: Manufacturer: syz [ 894.443587][ T5121] usb 2-1: SerialNumber: syz [ 894.450366][ T5121] usb 2-1: config 0 descriptor?? [ 894.528131][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 894.535773][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected executing program [ 894.707635][ T5121] hso 2-1:0.0: Failed to find BULK IN ep [ 894.714644][ T5121] usb-storage 2-1:0.0: USB Mass Storage device detected [ 894.733108][ T4420] usb 3-1: USB disconnect, device number 67 [ 894.756871][ T4925] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.765934][ T4925] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 894.774011][ T4925] usb 4-1: Product: syz [ 894.778576][ T4925] usb 4-1: Manufacturer: syz [ 894.783178][ T4925] usb 4-1: SerialNumber: syz [ 894.787266][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.797070][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 894.805419][ T30] usb 1-1: Product: syz [ 894.809973][ T30] usb 1-1: Manufacturer: syz [ 894.814589][ T30] usb 1-1: SerialNumber: syz [ 894.824594][ T30] usb 1-1: config 0 descriptor?? [ 894.848960][ T4925] usb 4-1: config 0 descriptor?? [ 894.877904][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.887144][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 894.895831][ T4415] usb 6-1: Product: syz [ 894.900080][ T4415] usb 6-1: Manufacturer: syz [ 894.905382][ T4415] usb 6-1: SerialNumber: syz [ 894.910126][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 894.919214][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 894.927359][ T4806] usb 5-1: Product: syz [ 894.931569][ T4806] usb 5-1: Manufacturer: syz [ 894.936167][ T4806] usb 5-1: SerialNumber: syz [ 894.939864][ T5121] usb 2-1: USB disconnect, device number 67 [ 894.954009][ T4806] usb 5-1: config 0 descriptor?? [ 894.963258][ T4415] usb 6-1: config 0 descriptor?? [ 895.087523][ T30] hso 1-1:0.0: Failed to find BULK IN ep [ 895.095039][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 895.108161][ T4925] hso 4-1:0.0: Failed to find BULK IN ep [ 895.119124][ T4925] usb-storage 4-1:0.0: USB Mass Storage device detected [ 895.196763][ T4420] usb 3-1: new high-speed USB device number 68 using dummy_hcd [ 895.258162][ T4806] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 895.265707][ T4806] CPU: 1 PID: 4806 Comm: kworker/1:8 Not tainted 5.10.0-rc7-syzkaller #0 [ 895.274102][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 895.284189][ T4806] Workqueue: usb_hub_wq hub_event [ 895.289204][ T4806] Call Trace: [ 895.292500][ T4806] dump_stack+0x107/0x163 [ 895.296877][ T4806] sysfs_warn_dup.cold+0x1c/0x29 [ 895.301845][ T4806] sysfs_do_create_link_sd+0x11e/0x140 [ 895.307329][ T4806] sysfs_create_link+0x5f/0xc0 [ 895.308762][ T5592] usb 4-1: USB disconnect, device number 65 [ 895.312096][ T4806] device_add+0x79a/0x1ce0 [ 895.318049][ T5121] usb 2-1: new high-speed USB device number 68 using dummy_hcd [ 895.322364][ T4806] ? lockdep_init_map_waits+0x26a/0x700 [ 895.335411][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 895.340798][ T4806] ? __init_waitqueue_head+0x97/0x110 [ 895.347144][ T4806] ? pm_runtime_init+0x2cf/0x3b0 [ 895.352096][ T4806] tty_register_device_attr+0x395/0x7b0 [ 895.357655][ T4806] ? put_tty_driver+0xa0/0xa0 [ 895.362454][ T4806] ? mark_held_locks+0x9f/0xe0 [ 895.367237][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 895.373225][ T4806] ? tty_port_register_device_attr+0xbc/0x110 [ 895.379593][ T4806] hso_serial_common_create+0x124/0x8b0 [ 895.386063][ T4806] ? kasan_unpoison_shadow+0x33/0x40 [ 895.391364][ T4806] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 895.397180][ T4806] hso_probe+0xef9/0x1f70 [ 895.401530][ T4806] usb_probe_interface+0x315/0x7f0 executing program [ 895.406689][ T4806] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 895.412597][ T4806] really_probe+0x291/0xde0 [ 895.417804][ T4806] driver_probe_device+0x26b/0x3d0 [ 895.422924][ T4806] __device_attach_driver+0x1d1/0x290 [ 895.428587][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 895.434576][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 895.440203][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 895.445237][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 895.451340][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 895.457276][ T4806] __device_attach+0x228/0x4a0 [ 895.462087][ T4806] ? really_probe+0xde0/0xde0 [ 895.466766][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 895.472221][ T4806] bus_probe_device+0x1e4/0x290 [ 895.477075][ T4806] device_add+0xbb2/0x1ce0 [ 895.481497][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 895.487342][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 895.493658][ T4806] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 895.499735][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 895.504764][ T4806] usb_set_configuration+0x113c/0x1910 [ 895.510712][ T4806] usb_generic_driver_probe+0xba/0x100 [ 895.516656][ T4806] usb_probe_device+0xd9/0x2c0 [ 895.521426][ T4806] ? usb_driver_release_interface+0x180/0x180 [ 895.527531][ T4806] really_probe+0x291/0xde0 [ 895.532461][ T4806] driver_probe_device+0x26b/0x3d0 [ 895.537579][ T4806] __device_attach_driver+0x1d1/0x290 [ 895.543447][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 895.549609][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 895.554472][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 895.560261][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 895.566385][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 895.572283][ T4806] __device_attach+0x228/0x4a0 [ 895.577054][ T4806] ? really_probe+0xde0/0xde0 [ 895.581742][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 895.587024][ T4806] bus_probe_device+0x1e4/0x290 [ 895.591856][ T4806] device_add+0xbb2/0x1ce0 [ 895.596400][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 895.601763][ T4806] usb_new_device.cold+0x71d/0xfe9 [ 895.606862][ T4806] ? hub_disconnect+0x510/0x510 [ 895.611694][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 895.616619][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 895.622597][ T4806] hub_event+0x2348/0x42d0 [ 895.627024][ T4806] ? hub_port_debounce+0x3b0/0x3b0 [ 895.632129][ T4806] ? __lock_acquire+0x821/0x54f0 [ 895.637061][ T4806] ? put_pwq+0xb1/0x1b0 [ 895.641260][ T4806] ? lock_release+0x6d0/0x6d0 [ 895.645942][ T4806] ? lock_downgrade+0x6d0/0x6d0 [ 895.650784][ T4806] ? do_raw_spin_lock+0x120/0x2b0 [ 895.655800][ T4806] process_one_work+0x933/0x1520 [ 895.660729][ T4806] ? lock_release+0x6d0/0x6d0 [ 895.665391][ T4806] ? pwq_dec_nr_in_flight+0x320/0x320 [ 895.670745][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 895.675668][ T4806] worker_thread+0x82b/0x1120 [ 895.680335][ T4806] ? __kthread_parkme+0x118/0x1d0 [ 895.685338][ T4806] ? process_one_work+0x1520/0x1520 [ 895.690528][ T4806] kthread+0x38c/0x460 [ 895.694590][ T4806] ? _raw_spin_unlock_irq+0x1f/0x30 [ 895.699788][ T4806] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 895.705711][ T4806] ret_from_fork+0x1f/0x30 executing program executing program executing program [ 895.713905][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 895.721581][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 895.735629][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 895.744878][ T30] usb 1-1: USB disconnect, device number 67 [ 895.760359][ T4415] usb 6-1: USB disconnect, device number 68 [ 895.786895][ T5592] usb 4-1: new high-speed USB device number 66 using dummy_hcd [ 895.822272][ T4806] usb 5-1: USB disconnect, device number 65 [ 895.867139][ T5121] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 895.876473][ T5121] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 895.885276][ T5121] usb 2-1: Product: syz [ 895.889834][ T5121] usb 2-1: Manufacturer: syz [ 895.895180][ T5121] usb 2-1: SerialNumber: syz [ 895.913189][ T5121] usb 2-1: config 0 descriptor?? [ 896.137431][ T30] usb 1-1: new high-speed USB device number 68 using dummy_hcd [ 896.156820][ T4415] usb 6-1: new high-speed USB device number 69 using dummy_hcd [ 896.177470][ T5121] hso 2-1:0.0: Failed to find BULK IN ep [ 896.184719][ T5121] usb-storage 2-1:0.0: USB Mass Storage device detected [ 896.216691][ T4806] usb 5-1: new high-speed USB device number 66 using dummy_hcd [ 896.224404][ T4420] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 896.233611][ T4420] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 896.242701][ T4420] usb 3-1: Product: syz [ 896.246925][ T4420] usb 3-1: Manufacturer: syz [ 896.251515][ T4420] usb 3-1: SerialNumber: syz [ 896.277626][ T4420] usb 3-1: config 0 descriptor?? [ 896.316843][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 896.325947][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 896.334009][ T5592] usb 4-1: Product: syz [ 896.338932][ T5592] usb 4-1: Manufacturer: syz [ 896.343583][ T5592] usb 4-1: SerialNumber: syz [ 896.355905][ T5592] usb 4-1: config 0 descriptor?? executing program [ 896.378343][ T2619] usb 2-1: USB disconnect, device number 68 [ 896.548708][ T4420] hso 3-1:0.0: Failed to find BULK IN ep [ 896.555936][ T4420] usb-storage 3-1:0.0: USB Mass Storage device detected [ 896.632934][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 896.640045][ T5592] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 896.748402][ T5592] usb 3-1: USB disconnect, device number 68 [ 896.758430][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 896.767569][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 896.775558][ T30] usb 1-1: Product: syz [ 896.779896][ T30] usb 1-1: Manufacturer: syz [ 896.784492][ T30] usb 1-1: SerialNumber: syz [ 896.789385][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 896.798992][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 896.807280][ T4415] usb 6-1: Product: syz [ 896.811639][ T4415] usb 6-1: Manufacturer: syz [ 896.816237][ T4415] usb 6-1: SerialNumber: syz [ 896.820931][ T2619] usb 2-1: new high-speed USB device number 69 using dummy_hcd [ 896.832774][ T30] usb 1-1: config 0 descriptor?? [ 896.838783][ T4415] usb 6-1: config 0 descriptor?? executing program [ 896.838862][ T5121] usb 4-1: USB disconnect, device number 66 [ 896.878678][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 896.887796][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 896.895780][ T4806] usb 5-1: Product: syz [ 896.900216][ T4806] usb 5-1: Manufacturer: syz [ 896.904824][ T4806] usb 5-1: SerialNumber: syz [ 896.955157][ T4806] usb 5-1: config 0 descriptor?? [ 897.097242][ T30] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 897.104771][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 897.113008][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 897.116552][ T5592] usb 3-1: new high-speed USB device number 69 using dummy_hcd [ 897.123061][ T30] Workqueue: usb_hub_wq hub_event [ 897.123075][ T30] Call Trace: [ 897.123095][ T30] dump_stack+0x107/0x163 [ 897.123110][ T30] sysfs_warn_dup.cold+0x1c/0x29 [ 897.123126][ T30] sysfs_do_create_link_sd+0x11e/0x140 [ 897.123145][ T30] sysfs_create_link+0x5f/0xc0 [ 897.159179][ T30] device_add+0x79a/0x1ce0 [ 897.163635][ T30] ? lockdep_init_map_waits+0x26a/0x700 [ 897.169650][ T30] ? devlink_add_symlinks+0x450/0x450 [ 897.175588][ T30] ? __init_waitqueue_head+0x97/0x110 [ 897.180965][ T30] ? pm_runtime_init+0x2cf/0x3b0 [ 897.185897][ T30] tty_register_device_attr+0x395/0x7b0 [ 897.191438][ T30] ? put_tty_driver+0xa0/0xa0 [ 897.196107][ T30] ? mark_held_locks+0x9f/0xe0 [ 897.200852][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.206818][ T30] ? tty_port_register_device_attr+0xbc/0x110 [ 897.212969][ T30] hso_serial_common_create+0x124/0x8b0 [ 897.216547][ T5121] usb 4-1: new high-speed USB device number 67 using dummy_hcd [ 897.218645][ T30] ? kasan_unpoison_shadow+0x33/0x40 [ 897.218662][ T30] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 897.218680][ T30] hso_probe+0xef9/0x1f70 [ 897.218696][ T30] usb_probe_interface+0x315/0x7f0 [ 897.218709][ T30] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 897.218728][ T30] really_probe+0x291/0xde0 [ 897.259289][ T30] driver_probe_device+0x26b/0x3d0 [ 897.265240][ T30] __device_attach_driver+0x1d1/0x290 [ 897.271446][ T30] ? driver_allows_async_probing+0x150/0x150 [ 897.277532][ T30] bus_for_each_drv+0x15f/0x1e0 [ 897.282391][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 897.287430][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.293402][ T30] ? trace_hardirqs_on+0x5b/0x1a0 executing program executing program [ 897.298421][ T30] __device_attach+0x228/0x4a0 [ 897.303194][ T30] ? really_probe+0xde0/0xde0 [ 897.307869][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 897.313137][ T30] bus_probe_device+0x1e4/0x290 [ 897.317977][ T30] device_add+0xbb2/0x1ce0 [ 897.322399][ T30] ? devlink_add_symlinks+0x450/0x450 [ 897.327777][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.333777][ T30] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 897.339593][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 897.344627][ T30] usb_set_configuration+0x113c/0x1910 [ 897.350094][ T30] usb_generic_driver_probe+0xba/0x100 [ 897.355558][ T30] usb_probe_device+0xd9/0x2c0 [ 897.360333][ T30] ? usb_driver_release_interface+0x180/0x180 [ 897.366418][ T30] really_probe+0x291/0xde0 [ 897.371039][ T30] driver_probe_device+0x26b/0x3d0 [ 897.376163][ T30] __device_attach_driver+0x1d1/0x290 [ 897.381547][ T30] ? driver_allows_async_probing+0x150/0x150 [ 897.387537][ T30] bus_for_each_drv+0x15f/0x1e0 [ 897.392398][ T30] ? bus_for_each_dev+0x1d0/0x1d0 [ 897.397434][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.403424][ T30] ? trace_hardirqs_on+0x5b/0x1a0 [ 897.408440][ T30] __device_attach+0x228/0x4a0 [ 897.413188][ T30] ? really_probe+0xde0/0xde0 [ 897.417854][ T30] ? kobject_uevent_env+0x2bb/0x1680 [ 897.423135][ T30] bus_probe_device+0x1e4/0x290 [ 897.427968][ T30] device_add+0xbb2/0x1ce0 [ 897.432370][ T30] ? devlink_add_symlinks+0x450/0x450 [ 897.437726][ T30] usb_new_device.cold+0x71d/0xfe9 [ 897.442975][ T30] ? hub_disconnect+0x510/0x510 [ 897.447810][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 897.452732][ T30] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.458693][ T30] hub_event+0x2348/0x42d0 [ 897.463091][ T30] ? hub_port_debounce+0x3b0/0x3b0 [ 897.468196][ T30] ? __lock_acquire+0x821/0x54f0 [ 897.473130][ T30] ? put_pwq+0xb1/0x1b0 [ 897.477283][ T30] ? lock_release+0x6d0/0x6d0 [ 897.481998][ T30] ? lock_downgrade+0x6d0/0x6d0 [ 897.486827][ T30] ? do_raw_spin_lock+0x120/0x2b0 [ 897.491830][ T30] process_one_work+0x933/0x1520 [ 897.496754][ T30] ? lock_release+0x6d0/0x6d0 [ 897.501436][ T30] ? pwq_dec_nr_in_flight+0x320/0x320 [ 897.506808][ T30] ? rwlock_bug.part.0+0x90/0x90 [ 897.511749][ T30] worker_thread+0x64c/0x1120 [ 897.516414][ T30] ? __kthread_parkme+0x118/0x1d0 [ 897.521429][ T30] ? process_one_work+0x1520/0x1520 [ 897.527393][ T30] kthread+0x38c/0x460 [ 897.531461][ T30] ? _raw_spin_unlock_irq+0x1f/0x30 [ 897.536653][ T30] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 897.542539][ T30] ret_from_fork+0x1f/0x30 [ 897.547522][ T4806] sysfs: cannot create duplicate filename '/class/tty/ttyHS0' [ 897.555139][ T4806] CPU: 1 PID: 4806 Comm: kworker/1:8 Not tainted 5.10.0-rc7-syzkaller #0 [ 897.564714][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 897.575427][ T4806] Workqueue: usb_hub_wq hub_event [ 897.580464][ T4806] Call Trace: [ 897.583765][ T4806] dump_stack+0x107/0x163 [ 897.589582][ T4806] sysfs_warn_dup.cold+0x1c/0x29 [ 897.595429][ T4806] sysfs_do_create_link_sd+0x11e/0x140 [ 897.601513][ T4806] sysfs_create_link+0x5f/0xc0 [ 897.606284][ T4806] device_add+0x79a/0x1ce0 [ 897.610878][ T4806] ? lockdep_init_map_waits+0x26a/0x700 [ 897.616907][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 897.623141][ T4806] ? __init_waitqueue_head+0x97/0x110 [ 897.629315][ T4806] ? pm_runtime_init+0x2cf/0x3b0 [ 897.635173][ T4806] tty_register_device_attr+0x395/0x7b0 [ 897.641394][ T4806] ? put_tty_driver+0xa0/0xa0 [ 897.646076][ T4806] ? mark_held_locks+0x9f/0xe0 [ 897.650843][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.656917][ T4806] ? tty_port_register_device_attr+0xbc/0x110 [ 897.663322][ T4806] hso_serial_common_create+0x124/0x8b0 [ 897.667087][ T5592] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 897.668894][ T4806] ? kasan_unpoison_shadow+0x33/0x40 [ 897.668912][ T4806] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 897.668930][ T4806] hso_probe+0xef9/0x1f70 [ 897.668945][ T4806] usb_probe_interface+0x315/0x7f0 [ 897.668966][ T4806] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 897.678063][ T5592] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 897.683239][ T4806] really_probe+0x291/0xde0 [ 897.683263][ T4806] driver_probe_device+0x26b/0x3d0 [ 897.689129][ T5592] usb 3-1: Product: syz [ 897.693384][ T4806] __device_attach_driver+0x1d1/0x290 [ 897.698501][ T5592] usb 3-1: Manufacturer: syz [ 897.703820][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 897.711794][ T5592] usb 3-1: SerialNumber: syz [ 897.716241][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 897.716265][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 897.757164][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.763392][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 897.768520][ T4806] __device_attach+0x228/0x4a0 [ 897.773304][ T4806] ? really_probe+0xde0/0xde0 [ 897.777155][ T5121] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 897.777988][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 897.787085][ T5121] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 897.792268][ T4806] bus_probe_device+0x1e4/0x290 [ 897.800275][ T5121] usb 4-1: Product: syz [ 897.805043][ T4806] device_add+0xbb2/0x1ce0 [ 897.809209][ T5121] usb 4-1: Manufacturer: syz [ 897.813578][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 897.818160][ T5121] usb 4-1: SerialNumber: syz [ 897.823483][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.823505][ T4806] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 897.839817][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 897.845760][ T4806] usb_set_configuration+0x113c/0x1910 [ 897.852012][ T4806] usb_generic_driver_probe+0xba/0x100 [ 897.857481][ T4806] usb_probe_device+0xd9/0x2c0 [ 897.858312][ T5592] usb 3-1: config 0 descriptor?? [ 897.862243][ T4806] ? usb_driver_release_interface+0x180/0x180 [ 897.862260][ T4806] really_probe+0x291/0xde0 [ 897.862276][ T4806] driver_probe_device+0x26b/0x3d0 [ 897.862292][ T4806] __device_attach_driver+0x1d1/0x290 [ 897.862308][ T4806] ? driver_allows_async_probing+0x150/0x150 [ 897.862326][ T4806] bus_for_each_drv+0x15f/0x1e0 [ 897.900684][ T4806] ? bus_for_each_dev+0x1d0/0x1d0 [ 897.905720][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.911712][ T4806] ? trace_hardirqs_on+0x5b/0x1a0 [ 897.917558][ T4806] __device_attach+0x228/0x4a0 [ 897.922972][ T4806] ? really_probe+0xde0/0xde0 [ 897.927655][ T4806] ? kobject_uevent_env+0x2bb/0x1680 [ 897.932942][ T4806] bus_probe_device+0x1e4/0x290 [ 897.938221][ T4806] device_add+0xbb2/0x1ce0 [ 897.941991][ T5121] usb 4-1: config 0 descriptor?? executing program [ 897.942636][ T4806] ? devlink_add_symlinks+0x450/0x450 [ 897.942654][ T4806] usb_new_device.cold+0x71d/0xfe9 [ 897.942671][ T4806] ? hub_disconnect+0x510/0x510 [ 897.942687][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 897.942701][ T4806] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 897.942720][ T4806] hub_event+0x2348/0x42d0 [ 897.978812][ T4806] ? hub_port_debounce+0x3b0/0x3b0 [ 897.983935][ T4806] ? __lock_acquire+0x821/0x54f0 [ 897.988891][ T4806] ? put_pwq+0xb1/0x1b0 [ 897.993054][ T4806] ? lock_release+0x6d0/0x6d0 [ 897.998490][ T4806] ? lock_downgrade+0x6d0/0x6d0 [ 898.003353][ T4806] ? do_raw_spin_lock+0x120/0x2b0 [ 898.008384][ T4806] process_one_work+0x933/0x1520 [ 898.014260][ T4806] ? lock_release+0x6d0/0x6d0 [ 898.019404][ T4806] ? pwq_dec_nr_in_flight+0x320/0x320 [ 898.024785][ T4806] ? rwlock_bug.part.0+0x90/0x90 [ 898.029738][ T4806] worker_thread+0x82b/0x1120 [ 898.034511][ T4806] ? __kthread_parkme+0x118/0x1d0 [ 898.039655][ T4806] ? process_one_work+0x1520/0x1520 [ 898.044857][ T4806] kthread+0x38c/0x460 [ 898.048937][ T4806] ? _raw_spin_unlock_irq+0x1f/0x30 [ 898.054142][ T4806] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 898.060758][ T4806] ret_from_fork+0x1f/0x30 [ 898.065751][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 898.073060][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 898.081452][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 898.090470][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 898.135531][ T30] usb 1-1: USB disconnect, device number 68 [ 898.149269][ T5592] hso 3-1:0.0: Failed to find BULK IN ep [ 898.159442][ T5592] usb-storage 3-1:0.0: USB Mass Storage device detected [ 898.165619][ T4806] usb 5-1: USB disconnect, device number 66 [ 898.176943][ T4415] usb 6-1: USB disconnect, device number 69 [ 898.227650][ T5121] hso 4-1:0.0: Failed to find BULK IN ep [ 898.254860][ T5121] usb-storage 4-1:0.0: USB Mass Storage device detected executing program [ 898.352860][ T5121] usb 3-1: USB disconnect, device number 69 executing program [ 898.406892][ T2619] usb 2-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 898.416588][ T2619] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 898.424719][ T2619] usb 2-1: Product: syz [ 898.428933][ T2619] usb 2-1: Manufacturer: syz [ 898.433530][ T2619] usb 2-1: SerialNumber: syz [ 898.437066][ T5592] usb 4-1: USB disconnect, device number 67 [ 898.461909][ T2619] usb 2-1: config 0 descriptor?? [ 898.547159][ T30] usb 1-1: new high-speed USB device number 69 using dummy_hcd [ 898.554826][ T4415] usb 6-1: new high-speed USB device number 70 using dummy_hcd [ 898.562506][ T4806] usb 5-1: new high-speed USB device number 67 using dummy_hcd [ 898.736581][ T5121] usb 3-1: new high-speed USB device number 70 using dummy_hcd [ 898.747991][ T2619] hso 2-1:0.0: Failed to find BULK IN ep [ 898.757817][ T2619] usb-storage 2-1:0.0: USB Mass Storage device detected [ 898.806618][ T5592] usb 4-1: new high-speed USB device number 68 using dummy_hcd executing program [ 898.948041][ T4925] usb 2-1: USB disconnect, device number 69 [ 899.176712][ T30] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 899.185857][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 899.193887][ T30] usb 1-1: Product: syz [ 899.198471][ T30] usb 1-1: Manufacturer: syz [ 899.203861][ T30] usb 1-1: SerialNumber: syz [ 899.211501][ T30] usb 1-1: config 0 descriptor?? [ 899.216634][ T4415] usb 6-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 899.225662][ T4415] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 899.233767][ T4415] usb 6-1: Product: syz [ 899.237988][ T4415] usb 6-1: Manufacturer: syz [ 899.242584][ T4415] usb 6-1: SerialNumber: syz [ 899.247530][ T4806] usb 5-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 899.256586][ T5121] usb 3-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 899.256604][ T5121] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 899.256616][ T5121] usb 3-1: Product: syz [ 899.256639][ T5121] usb 3-1: Manufacturer: syz [ 899.265625][ T4806] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 899.265638][ T4806] usb 5-1: Product: syz [ 899.265651][ T4806] usb 5-1: Manufacturer: syz [ 899.265665][ T4806] usb 5-1: SerialNumber: syz [ 899.267922][ T4806] usb 5-1: config 0 descriptor?? [ 899.273773][ T5121] usb 3-1: SerialNumber: syz [ 899.286066][ T4415] usb 6-1: config 0 descriptor?? [ 899.326707][ T5592] usb 4-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00 [ 899.335829][ T5592] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 899.343877][ T5592] usb 4-1: Product: syz [ 899.348101][ T5592] usb 4-1: Manufacturer: syz [ 899.353062][ T5592] usb 4-1: SerialNumber: syz [ 899.358945][ T4925] usb 2-1: new high-speed USB device number 70 using dummy_hcd [ 899.369760][ T5121] usb 3-1: config 0 descriptor?? [ 899.377741][ T5592] usb 4-1: config 0 descriptor?? [ 899.527364][ T30] hso 1-1:0.0: Failed to find BULK IN ep [ 899.534941][ T30] usb-storage 1-1:0.0: USB Mass Storage device detected [ 899.567280][ T4806] hso 5-1:0.0: Failed to find BULK IN ep [ 899.574115][ T4806] usb-storage 5-1:0.0: USB Mass Storage device detected [ 899.588836][ T4415] hso 6-1:0.0: Failed to find BULK IN ep [ 899.598737][ T4415] usb-storage 6-1:0.0: USB Mass Storage device detected [ 899.629809][ T5121] hso 3-1:0.0: Failed to find BULK IN ep [ 899.647430][ T5592] hso 4-1:0.0: Failed to find BULK IN ep [ 899.654610][ T5121] usb-storage 3-1:0.0: USB Mass Storage device detected [ 899.663191][ T5592] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] SMP KASAN [ 899.674222][ T5592] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 899.682615][ T5592] CPU: 0 PID: 5592 Comm: kworker/0:7 Not tainted 5.10.0-rc7-syzkaller #0 [ 899.691001][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 899.701057][ T5592] Workqueue: usb_hub_wq hub_event [ 899.706063][ T5592] RIP: 0010:cdev_del+0x22/0x90 [ 899.710807][ T5592] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 37 cf ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 899.730388][ T5592] RSP: 0018:ffffc900021d7190 EFLAGS: 00010207 [ 899.736434][ T5592] RAX: dffffc0000000000 RBX: ffff888108094700 RCX: ffffffff822f5def [ 899.744383][ T5592] RDX: 000000000000000c RSI: ffffffff816f8d7d RDI: 0000000000000064 [ 899.752333][ T5592] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff898cc4ef [ 899.760448][ T5592] R10: 0000000000000000 R11: 000000000004c044 R12: ffff888108094708 [ 899.768398][ T5592] R13: ffff88810803e000 R14: 0000000000000000 R15: ffff888111eff070 [ 899.776348][ T5592] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 899.785268][ T5592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 899.791841][ T5592] CR2: 000055c8e5921050 CR3: 0000000102f03000 CR4: 00000000001506f0 [ 899.799792][ T5592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 899.807753][ T5592] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 899.815698][ T5592] Call Trace: [ 899.818971][ T5592] tty_unregister_device+0x112/0x1b0 [ 899.824235][ T5592] hso_probe.cold+0x70/0x16a [ 899.828803][ T5592] usb_probe_interface+0x315/0x7f0 [ 899.833892][ T5592] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 899.839247][ T5592] really_probe+0x291/0xde0 [ 899.843729][ T5592] driver_probe_device+0x26b/0x3d0 [ 899.848836][ T5592] __device_attach_driver+0x1d1/0x290 [ 899.854188][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 899.860153][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 899.864979][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 899.869981][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 899.875936][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 899.880943][ T5592] __device_attach+0x228/0x4a0 [ 899.885684][ T5592] ? really_probe+0xde0/0xde0 [ 899.890341][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 899.895605][ T5592] bus_probe_device+0x1e4/0x290 [ 899.900430][ T5592] device_add+0xbb2/0x1ce0 [ 899.904858][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 899.910209][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 899.916341][ T5592] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 899.922121][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 899.927124][ T5592] usb_set_configuration+0x113c/0x1910 [ 899.932574][ T5592] usb_generic_driver_probe+0xba/0x100 [ 899.938007][ T5592] usb_probe_device+0xd9/0x2c0 [ 899.942748][ T5592] ? usb_driver_release_interface+0x180/0x180 [ 899.948791][ T5592] really_probe+0x291/0xde0 [ 899.953280][ T5592] driver_probe_device+0x26b/0x3d0 [ 899.958366][ T5592] __device_attach_driver+0x1d1/0x290 [ 899.963715][ T5592] ? driver_allows_async_probing+0x150/0x150 [ 899.969756][ T5592] bus_for_each_drv+0x15f/0x1e0 [ 899.974595][ T5592] ? bus_for_each_dev+0x1d0/0x1d0 [ 899.979596][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 899.985563][ T5592] ? trace_hardirqs_on+0x5b/0x1a0 [ 899.990568][ T5592] __device_attach+0x228/0x4a0 [ 899.995310][ T5592] ? really_probe+0xde0/0xde0 [ 899.999963][ T5592] ? kobject_uevent_env+0x2bb/0x1680 [ 900.005236][ T5592] bus_probe_device+0x1e4/0x290 [ 900.010066][ T5592] device_add+0xbb2/0x1ce0 [ 900.014460][ T5592] ? devlink_add_symlinks+0x450/0x450 [ 900.019809][ T5592] usb_new_device.cold+0x71d/0xfe9 [ 900.024898][ T5592] ? hub_disconnect+0x510/0x510 [ 900.029725][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 900.034638][ T5592] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 900.040594][ T5592] hub_event+0x2348/0x42d0 [ 900.044989][ T5592] ? hub_port_debounce+0x3b0/0x3b0 [ 900.050080][ T5592] ? __lock_acquire+0x820/0x54f0 [ 900.054996][ T5592] ? put_pwq+0xb1/0x1b0 [ 900.059126][ T5592] ? lock_release+0x6d0/0x6d0 [ 900.063778][ T5592] ? lock_downgrade+0x6d0/0x6d0 [ 900.068605][ T5592] ? do_raw_spin_lock+0x120/0x2b0 [ 900.073606][ T5592] process_one_work+0x933/0x1520 [ 900.078521][ T5592] ? lock_release+0x6d0/0x6d0 [ 900.083182][ T5592] ? pwq_dec_nr_in_flight+0x320/0x320 [ 900.088549][ T5592] ? rwlock_bug.part.0+0x90/0x90 [ 900.093465][ T5592] worker_thread+0x64c/0x1120 [ 900.098121][ T5592] ? __kthread_parkme+0x118/0x1d0 [ 900.103122][ T5592] ? process_one_work+0x1520/0x1520 [ 900.108296][ T5592] kthread+0x38c/0x460 [ 900.112346][ T5592] ? _raw_spin_unlock_irq+0x1f/0x30 [ 900.117521][ T5592] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 900.123390][ T5592] ret_from_fork+0x1f/0x30 [ 900.128384][ T5592] Modules linked in: [ 900.132541][ T5592] ---[ end trace b7fb24b77aa99eab ]--- [ 900.138046][ T5592] RIP: 0010:cdev_del+0x22/0x90 [ 900.142815][ T5592] Code: b5 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 e3 37 cf ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f 48 [ 900.146897][ T2619] usb 1-1: USB disconnect, device number 69 [ 900.162438][ T5592] RSP: 0018:ffffc900021d7190 EFLAGS: 00010207 [ 900.168692][ T4420] usb 6-1: USB disconnect, device number 70 [ 900.174366][ T5592] RAX: dffffc0000000000 RBX: ffff888108094700 RCX: ffffffff822f5def [ 900.188220][ T5592] RDX: 000000000000000c RSI: ffffffff816f8d7d RDI: 0000000000000064 [ 900.196190][ T5592] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff898cc4ef [ 900.204196][ T5592] R10: 0000000000000000 R11: 000000000004c044 R12: ffff888108094708 [ 900.212205][ T5592] R13: ffff88810803e000 R14: 0000000000000000 R15: ffff888111eff070 [ 900.220210][ T5592] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 900.229169][ T5592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 900.235754][ T5592] CR2: 000055c8e5921050 CR3: 0000000007025000 CR4: 00000000001506f0 [ 900.243767][ T5592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 900.251768][ T5592] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 900.260380][ T5592] Kernel panic - not syncing: Fatal exception [ 900.267745][ T5592] Kernel Offset: disabled [ 900.272159][ T5592] Rebooting in 86400 seconds..