[Bug 1911216] Re: abort issue locates in hw/usb/hcd-ohci.c:1297:ohci_frame_boundary

[Thomas Huth]

** Changed in: qemu
       Status: Incomplete => Confirmed

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Title:
  abort issue locates in hw/usb/hcd-ohci.c:1297:ohci_frame_boundary

Status in QEMU:
  Confirmed

Bug description:
  Hello,

  I found an assertion failure in hw/usb/hcd-ohci.c:1297

  This was found in latest version 5.2.0.

  my reproduced environment is as follows:
      Host: ubuntu 18.04
      Guest: ubuntu 18.04

  QEMU boot command line:
  qemu-system-x86_64 -enable-kvm -boot c -m 4G -drive 
format=qcow2,file=./ubuntu.img -nic user,hostfwd=tcp:0.0.0.0:5555-:22 -display 
none -device pci-ohci,id=ohci -device usb-tablet,bus=ohci.0,port=1,id=usbdev1

  
  backtrace is as follows 
  pwndbg> bt
  #0  0x00007fdf392aa438 in __GI_raise (sig=sig@entry=6) at 
../sysdeps/unix/sysv/linux/raise.c:54
  #1  0x00007fdf392ac03a in __GI_abort () at abort.c:89
  #2  0x000055c613721118 in ohci_frame_boundary (opaque=0x6270000191f0) at 
hw/usb/hcd-ohci.c:1297
  #3  0x000055c6140bdf0e in timerlist_run_timers (timer_list=0x60b00005bcc0) at 
util/qemu-timer.c:572
  #4  0x000055c6140be15a in qemu_clock_run_timers (type=QEMU_CLOCK_VIRTUAL) at 
util/qemu-timer.c:586
  #5  0x000055c6140beac7 in qemu_clock_run_all_timers () at 
util/qemu-timer.c:672
  #6  0x000055c6140a1938 in main_loop_wait (nonblocking=0) at 
util/main-loop.c:523
  #7  0x000055c6125d87e9 in qemu_main_loop () at 
/home/dell/qemu5-hypervisor/vm/fuzz-seedpool/hcd-ohci/qemu-5.1.0/softmmu/vl.c:1676
  #8  0x000055c613f216ea in main (argc=7, argv=0x7fff174cdd28, 
envp=0x7fff174cdd68) at 
/home/dell/qemu5-hypervisor/vm/fuzz-seedpool/hcd-ohci/qemu-5.1.0/softmmu/main.c:49
  #9  0x00007fdf39295840 in __libc_start_main (main=0x55c613f21699 <main>, 
argc=7, argv=0x7fff174cdd28, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7fff174cdd18) at ../csu/libc-start.c:291
  #10 0x000055c6120a4349 in _start ()

  The poc is attached.

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