INFO: rcu detected stall in dummy

INFO: rcu detected stall in dummy_timer (3)
Status: upstream: reported C repro on 2020/07/14 16:27
Reported-by: syzbot+4d3749e9612c2cfab956@syzkaller.appspotmail.com
First crash: 397d, last: 2h44m

Cause bisection: failed (bisect log)

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in dummy_timer (2)				1	625d	625d	0/22	auto-closed as invalid on 2020/02/09 05:37
upstream	INFO: rcu detected stall in dummy_timer	C			16	654d	719d	14/22	fixed on 2019/10/27 22:28

Sample crash report:

usbtmc 1-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=806/1/0x4000000000000000 softirq=10142/10144 fqs=5 
	(t=10500 jiffies g=10525 q=83)
NMI backtrace for cpu 1
CPU: 1 PID: 4855 Comm: kworker/1:3 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:342
 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:700 [inline]
 rcu_pending kernel/rcu/tree.c:3922 [inline]
 rcu_sched_clock_irq.cold+0x9f/0x747 kernel/rcu/tree.c:2641
 update_process_times+0x16d/0x200 kernel/time/timer.c:1783
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 fa 67 2e f8 48 89 ef e8 a2 dd 2e f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 83 b7 22 f8 65 8b 05 7c 53 d5 76 85 c0 74 0a 5b 5d c3 e8 80 11
RSP: 0018:ffffc90000dc0b08 EFLAGS: 00000206
RAX: 0000000000000012 RBX: 0000000000000200 RCX: 1ffffffff1fa3eba
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000001
RBP: ffff888146a7c000 R08: 0000000000000001 R09: ffffffff8fcd296f
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802196c440
R13: ffff8880178c7300 R14: dffffc0000000000 R15: ffff88801c39f700
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 dummy_timer+0x12f6/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:2001
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1419
 expire_timers kernel/time/timer.c:1464 [inline]
 __run_timers.part.0+0x675/0xa50 kernel/time/timer.c:1732
 __run_timers kernel/time/timer.c:1713 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1745
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:strlen+0x1e/0x90 lib/string.c:565
Code: 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 89 fd 48 c1 ea 03 53 48 83 ec 08 0f b6 04 02 <48> 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 48 80 7d 00 00 74 39 48 bb
RSP: 0018:ffffc9000160f568 EFLAGS: 00000292
RAX: 0000000000000000 RBX: ffff88802899a0a8 RCX: 0000000000000000
RDX: 1ffff1100314e81e RSI: ffffffff83f0929e RDI: ffff888018a740f0
RBP: ffff888018a740f0 R08: 00000000db6a1e25 R09: ffffffff8de106ac
R10: fffff520002c1e58 R11: 0000000000086088 R12: dffffc0000000000
R13: ffff88802899a0a8 R14: 0000000000000001 R15: 0000000000000cc0
 strlen include/linux/fortify-string.h:60 [inline]
 get_kobj_path_length lib/kobject.c:141 [inline]
 kobject_get_path+0x36/0x230 lib/kobject.c:176
 kobject_uevent_env+0x265/0x1650 lib/kobject_uevent.c:529
 driver_bound+0x1a8/0x300 drivers/base/dd.c:401
 really_probe+0x3d8/0xcd0 drivers/base/dd.c:643
 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
 __device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x228/0x4a0 drivers/base/dd.c:965
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xc2f/0x2180 drivers/base/core.c:3354
 usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
 hub_port_connect drivers/usb/core/hub.c:5348 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71
usbtmc 1-1:0.0: unknown status received: -71
usbtmc 3-1:0.0: unknown status received: -71
usbtmc 6-1:0.0: unknown status received: -71

Crashes (89):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce	2021/07/27 08:56	upstream	ff1176468d36	fd511809	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root	2021/07/25 01:20	upstream	f0fddcec6b62	4d1b57d4	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root	2021/07/23 22:06	upstream	9bead1b58c4c	bc5f1d88	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/07/17 14:02	upstream	d980cc0620ae	f115ae98	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/07/17 11:22	upstream	d980cc0620ae	f115ae98	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/07/14 01:43	upstream	40226a3d96ef	fa0594c3	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/07/13 14:39	upstream	7fef2edf7cc7	f415556d	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/07/08 10:05	upstream	3dbdb38e2869	95793bce	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/06/29 15:04	upstream	233a806b00e3	9d2ab5df	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/06/11 01:59	upstream	f09eacca59d2	1ba81399	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/25 08:49	upstream	719bbd4a509f	fcc6d71b	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/19 05:59	upstream	f40ddce88593	14052202	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/15 17:18	upstream	f40ddce88593	98682e5e	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/09 05:25	upstream	e0756cfc7d7c	2bd9619f	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/05 11:31	upstream	5c279c4cf206	23a562df	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/01/26 03:39	upstream	f8ad8187c3b5	52e37319	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root	2021/07/28 12:14	linux-next	42d0b5f52c9b	17d6ab15	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root	2021/07/11 21:42	linux-next	92510a7fd93c	8f5a7b8c	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root	2021/07/10 14:20	linux-next	92510a7fd93c	8f5a7b8c	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci-upstream-linux-next-kasan-gce-root	2021/07/03 19:49	linux-next	a1f92694393a	55aa55c2	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/05/19 03:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c76414	a343ba6b	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/05/18 02:31	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9fbf82c76414	a343ba6b	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/05/15 22:31	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	216e0e563d81	93f844de	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/29 23:18	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4a0225c3d208	77e2b668	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/29 19:21	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4a0225c3d208	77e2b668	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/17 22:52	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4b853c236c7b	7e2b734b	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/17 16:09	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4b853c236c7b	7e2b734b	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/15 09:37	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4b853c236c7b	fcdb12ba	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/04 11:48	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	bee1f89aad2a	6a81331a	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/03/23 12:03	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f85142af3641	8092f30d	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/02/20 01:46	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b5a12546e779	f689d40a	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/02/03 01:50	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	64eaa0fa66ac	624dad51	.config	log	report	syz	C		INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/01/06 06:14	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	ed054e4e95d6	b1c228e1	.config	log	report	syz	C
ci2-upstream-usb	2021/01/05 23:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	ed054e4e95d6	b1c228e1	.config	log	report	syz	C
ci2-upstream-usb	2021/01/01 12:47	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	cb4d9b52ec06	79264ae3	.config	log	report	syz	C
ci2-upstream-usb	2020/12/31 20:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	cb4d9b52ec06	79264ae3	.config	log	report	syz	C
ci2-upstream-usb	2020/12/27 22:43	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f838f8d2b694	2242f77f	.config	log	report	syz	C
ci2-upstream-usb	2020/12/20 16:39	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3644e2d2dda7	04201c06	.config	log	report	syz	C
ci2-upstream-usb	2020/12/20 14:26	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3644e2d2dda7	04201c06	.config	log	report	syz	C
ci2-upstream-usb	2020/12/19 06:00	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	5e60366d56c6	04201c06	.config	log	report	syz	C
ci2-upstream-usb	2020/12/16 01:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	a256e24021bf	f213e07e	.config	log	report	syz	C
ci2-upstream-usb	2020/12/15 07:40	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	a256e24021bf	97183ed7	.config	log	report	syz	C
ci2-upstream-usb	2020/12/15 06:11	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	a256e24021bf	97183ed7	.config	log	report	syz	C
ci2-upstream-usb	2020/12/09 03:05	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b175d273d4e4	40cc414d	.config	log	report	syz	C
ci2-upstream-usb	2020/08/30 11:04	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3ed8e1c2ac99	d5a3ae1f	.config	log	report	syz	C
ci2-upstream-usb	2020/08/30 03:05	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	3ed8e1c2ac99	d5a3ae1f	.config	log	report	syz	C
ci2-upstream-usb	2020/08/23 21:12	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	28157b8c7d9a	a6d5f3ad	.config	log	report	syz	C
ci2-upstream-usb	2020/07/14 13:51	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	25051b55a2f6	6f458026	.config	log	report	syz	C
ci-upstream-kasan-gce	2021/04/04 17:16	upstream	2023a53bdf41	6a81331a	.config	log	report	syz			INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/15 20:29	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4b853c236c7b	c59079a6	.config	log	report	syz			INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/06 22:18	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e9fcb07704fc	6a81331a	.config	log	report	syz			INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/07/25 06:40	upstream	6498f6151825	4d1b57d4	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/06/27 19:17	upstream	625acffd7ae2	9d2ab5df	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/06/26 17:15	upstream	b7050b242430	9d2ab5df	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/06/11 01:49	upstream	f09eacca59d2	1ba81399	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-root	2021/05/20 16:21	upstream	c3d0e3fd41b7	c560a65d	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/05/03 17:04	upstream	d2b6f8a17919	ad61f371	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-root	2021/04/24 23:09	upstream	8db5efb83fa9	17f0b706	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/04/24 07:42	upstream	e77a830c8297	17f0b706	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/04/19 08:05	upstream	bf05bf16c76b	7e2b734b	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-selinux-root	2021/04/11 21:20	upstream	7d900724913c	bfeda1b1	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/04/10 21:18	upstream	d4961772226d	bfeda1b1	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/04/03 00:11	upstream	1678e493d530	6a81331a	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-smack-root	2021/02/14 07:34	upstream	ac30d8ce28d6	98682e5e	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2021/02/01 10:09	upstream	1048ba83fb1c	fc9fd31e	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-386	2021/07/22 23:47	upstream	3d5895cd3517	302e51de	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce-386	2021/02/22 05:45	upstream	55f62bc87347	a659b3f1	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/05/12 19:32	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4676be28a46e	ed7d41c5	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/05/11 02:09	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4676be28a46e	ca873091	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/26 21:41	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	caa93d9bd2d7	8ee2dea6	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/25 19:45	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	caa93d9bd2d7	2a82f1b3	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/20 08:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	4b853c236c7b	c0ced557	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/12 21:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9bc46a12c53d	6a81331a	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/06 10:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e9fcb07704fc	6a81331a	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/04/05 09:43	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f70d436f0001	6a81331a	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci2-upstream-usb	2021/03/04 06:00	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	5e17812c22bc	d7e4e604	.config	log	report			info	INFO: rcu detected stall in dummy_timer
ci-upstream-kasan-gce	2020/12/24 23:20	upstream	3913d00ac51a	c2c1d1dd	.config	log	report			info
ci-upstream-kasan-gce	2020/12/14 17:25	upstream	2c85ebc57b3e	97183ed7	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/08/04 06:20	upstream	bcf876870b95	196277c4	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/08/03 08:57	upstream	5a30a78924ec	196277c4	.config	log	report
ci-upstream-kasan-gce	2020/07/05 03:47	upstream	7cc2a8ea1048	51095195	.config	log	report
ci-upstream-kasan-gce-selinux-root	2020/06/30 19:08	upstream	9ebcfadb0610	917afeaa	.config	log	report
ci-upstream-kasan-gce	2020/06/25 15:13	upstream	7ae77150d94d	54566aff	.config	log	report
ci-upstream-kasan-gce-386	2020/12/04 23:08	upstream	e87297fa080a	20366b87	.config	log	report			info
ci2-upstream-usb	2020/12/28 22:04	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	32510cf5e554	8259d56c	.config	log	report			info
ci2-upstream-usb	2020/08/12 05:57	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	449dc8c97089	bb3e5fe6	.config	log	report
ci-upstream-linux-next-kasan-gce-root	2020/08/10 23:18	linux-next	f80535b9aa10	7adc7b65	.config	log	report
ci2-upstream-usb	2020/06/30 05:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9cf6ffae3800	917afeaa	.config	log	report