Re: KASAN: use-after-free Read in si470x_int_in_callback (2)

[syzbot <syzbot+9ca7a12fd736d93e0232@syzkaller.appspotmail.com>]

Hello,

syzbot has tested the proposed patch but the reproducer still triggered  
crash:
INFO: rcu detected stall in dummy_timer

radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
rcu: INFO: rcu_sched self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=82a/0/0x3 softirq=3099/3100 fqs=0
	(t=10503 jiffies g=2445 q=28)
rcu: rcu_sched kthread starved for 10505 jiffies! g2445 f0x0  
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_sched       R  running task    29384    10      2 0x80004000
Call Trace:
  schedule+0xca/0x250 kernel/sched/core.c:4136
  schedule_timeout+0x440/0xb20 kernel/time/timer.c:1895
  rcu_gp_fqs_loop kernel/rcu/tree.c:1639 [inline]
  rcu_gp_kthread+0xaff/0x29e0 kernel/rcu/tree.c:1799
  kthread+0x318/0x420 kernel/kthread.c:255
  ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
Call Trace:
  <IRQ>
  __dump_stack lib/dump_stack.c:77 [inline]
  dump_stack+0xca/0x13e lib/dump_stack.c:113
  nmi_cpu_backtrace.cold+0x55/0x96 lib/nmi_backtrace.c:101
  nmi_trigger_cpumask_backtrace+0x1b0/0x1c7 lib/nmi_backtrace.c:62
  trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
  rcu_dump_cpu_stacks+0x169/0x1b3 kernel/rcu/tree_stall.h:254
  print_cpu_stall kernel/rcu/tree_stall.h:455 [inline]
  check_cpu_stall kernel/rcu/tree_stall.h:529 [inline]
  rcu_pending kernel/rcu/tree.c:2795 [inline]
  rcu_sched_clock_irq.cold+0x4da/0x936 kernel/rcu/tree.c:2244
  update_process_times+0x25/0x60 kernel/time/timer.c:1726
  tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:167
  tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1299
  __run_hrtimer kernel/time/hrtimer.c:1514 [inline]
  __hrtimer_run_queues+0x303/0xc60 kernel/time/hrtimer.c:1576
  hrtimer_interrupt+0x2e8/0x730 kernel/time/hrtimer.c:1638
  local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
  smp_apic_timer_interrupt+0xf5/0x500 arch/x86/kernel/apic/apic.c:1135
  apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160  
[inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x40/0x50  
kernel/locking/spinlock.c:191
Code: e8 95 14 b3 fb 48 89 ef e8 6d f3 b3 fb f6 c7 02 75 11 53 9d e8 61 ba  
d0 fb 65 ff 0d a2 67 8f 7a 5b 5d c3 e8 02 be d0 fb 53 9d <eb> ed 0f 1f 40  
00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 fd 65 ff
RSP: 0018:ffff8881db309b08 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000206 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881da21384c
RBP: ffff8881d50e0000 R08: ffff8881da213000 R09: fffffbfff11b23b8
R10: fffffbfff11b23b7 R11: ffffffff88d91dbf R12: 0000000000000080
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8881d2f05b00
  spin_unlock_irqrestore include/linux/spinlock.h:393 [inline]
  dummy_timer+0x131b/0x2fa2 drivers/usb/gadget/udc/dummy_hcd.c:1980
  call_timer_fn+0x179/0x650 kernel/time/timer.c:1404
  expire_timers kernel/time/timer.c:1449 [inline]
  __run_timers kernel/time/timer.c:1773 [inline]
  __run_timers kernel/time/timer.c:1740 [inline]
  run_timer_softirq+0x5e3/0x1490 kernel/time/timer.c:1786
  __do_softirq+0x221/0x912 kernel/softirq.c:292
  invoke_softirq kernel/softirq.c:373 [inline]
  irq_exit+0x178/0x1a0 kernel/softirq.c:413
  exiting_irq arch/x86/include/asm/apic.h:536 [inline]
  smp_apic_timer_interrupt+0x12f/0x500 arch/x86/kernel/apic/apic.c:1137
  apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
  </IRQ>
RIP: 0010:default_idle+0x28/0x2e0 arch/x86/kernel/process.c:581
Code: 90 90 41 56 41 55 65 44 8b 2d f4 20 8f 7a 41 54 55 53 0f 1f 44 00 00  
e8 c6 d2 d0 fb e9 07 00 00 00 0f 00 2d ea c5 4f 00 fb f4 <65> 44 8b 2d d0  
20 8f 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffff8881da22fdc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: ffff8881da213000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21384c
RBP: ffffed103b442600 R08: ffff8881da213000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
  cpuidle_idle_call kernel/sched/idle.c:154 [inline]
  do_idle+0x3b6/0x500 kernel/sched/idle.c:263
  cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:355
  start_secondary+0x27d/0x330 arch/x86/kernel/smpboot.c:264
  secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 1-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0
radio-si470x 2-1:0.0: non-zero urb status (-71)
In resubmit code path with result 0


Tested on:

commit:         22be26f7 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
console output: https://syzkaller.appspot.com/x/log.txt?x=10baff5ee00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=387eccb7ac68ec5
dashboard link: https://syzkaller.appspot.com/bug?extid=9ca7a12fd736d93e0232
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=164cd702e00000