summary refs log tree commit diff stats
path: root/results/classifier/gemma3:12b/peripherals/1911216
blob: cd1acb6a9f540c8d43f2de0ae62f64517a3cd939 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
abort issue locates in hw/usb/hcd-ohci.c:1297:ohci_frame_boundary

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.