[[0;32m OK [0m] Started OpenBSD Secure Shell server.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] 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..