User-Agent:       Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/39.0.2171.95 Safari/537.36
Build Identifier: 

When trying to clone VM with virt-manager qemu-img crashes with "unexpected
fatal signal 6: *** stack smashing detected ***: /usr/bin/qemu-img terminated"

Reproducible: Always

Steps to Reproduce:
1. Create VM with qcow2 hard drive within virt-manager
2. Try to clone the VM within virt-manager
Actual Results:  
qemu-img crashes with "unexpected fatal signal 6: *** stack smashing detected
***: /usr/bin/qemu-img terminated"

Expected Results:  
virt-manager should create a VM clone

Error creating virtual machine clone 'StackController': internal error: Child
process (/usr/bin/qemu-img convert -f qcow2 -O qcow2 -o
nocow=on,compat=1.1,lazy_refcounts
/var/lib/libvirt/images/StackClean/disk0.qcow2
/var/lib/libvirt/images/StackClean/disk0-clone.qcow2) unexpected fatal signal
6: *** stack smashing detected ***: /usr/bin/qemu-img terminated
======= Backtrace: =========
/lib64/libc.so.6(+0x730bf)[0x7f5f5136b0bf]
/lib64/libc.so.6(__fortify_fail+0x37)[0x7f5f513edc67]
/lib64/libc.so.6(__fortify_fail+0x0)[0x7f5f513edc30]
/usr/bin/qemu-img(+0x91df8)[0x7f5f530f9df8]
/usr/bin/qemu-img(+0x2feca)[0x7f5f53097eca]
/usr/bin/qemu-img(bdrv_create+0x67)[0x7f5f53098767]
/usr/bin/qemu-img(bdrv_create_file+0x49)[0x7f5f53098d09]
/usr/bin/qemu-img(+0x78ea3)[0x7f5f530e0ea3]
/usr/bin/qemu-img(+0x2feca)[0x7f5f53097eca]
/usr/bin/qemu-img(+0x65afa)[0x7f5f530cdafa]
/lib64/libc.so.6(+0x45fd0)[0x7f5f5133dfd0]
======= Memory map: ========
7f5f48000000-7f5f48022000 rw-p 00000000 00:00 0 
7f5f48022000-7f5f4c000000 ---p 00000000 00:00 0 
7f5f4cf7e000-7f5f4d17f000 rw-p 00000000 00:00 0 
7f5f4d17

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 91, in
cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/clone.py", line 823, in
_async_clone
    self.clone_design.start_duplicate(meter)
  File "/usr/share/virt-manager/virtinst/cloner.py", line 442, in
start_duplicate
    dst_dev.setup(meter=meter)
  File "/usr/share/virt-manager/virtinst/devicedisk.py", line 816, in setup
    volobj = self._storage_creator.create(meter)
  File "/usr/share/virt-manager/virtinst/diskbackend.py", line 352, in create
    return self._vol_install.install(meter=progresscb)
  File "/usr/share/virt-manager/virtinst/storage.py", line 733, in install
    vol = self.pool.createXMLFrom(xml, self.input_vol, cloneflags)
  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3066, in
createXMLFrom
    if ret is None:raise libvirtError('virStorageVolCreateXMLFrom() failed',
pool=self)
libvirtError: internal error: Child process (/usr/bin/qemu-img convert -f qcow2
-O qcow2 -o nocow=on,compat=1.1,lazy_refcounts
/var/lib/libvirt/images/StackClean/disk0.qcow2
/var/lib/libvirt/images/StackClean/disk0-clone.qcow2) unexpected fatal signal
6: *** stack smashing detected ***: /usr/bin/qemu-img terminated
======= Backtrace: =========
/lib64/libc.so.6(+0x730bf)[0x7f5f5136b0bf]
/lib64/libc.so.6(__fortify_fail+0x37)[0x7f5f513edc67]
/lib64/libc.so.6(__fortify_fail+0x0)[0x7f5f513edc30]
/usr/bin/qemu-img(+0x91df8)[0x7f5f530f9df8]
/usr/bin/qemu-img(+0x2feca)[0x7f5f53097eca]
/usr/bin/qemu-img(bdrv_create+0x67)[0x7f5f53098767]
/usr/bin/qemu-img(bdrv_create_file+0x49)[0x7f5f53098d09]
/usr/bin/qemu-img(+0x78ea3)[0x7f5f530e0ea3]
/usr/bin/qemu-img(+0x2feca)[0x7f5f53097eca]
/usr/bin/qemu-img(+0x65afa)[0x7f5f530cdafa]
/lib64/libc.so.6(+0x45fd0)[0x7f5f5133dfd0]
======= Memory map: ========
7f5f48000000-7f5f48022000 rw-p 00000000 00:00 0 
7f5f48022000-7f5f4c000000 ---p 00000000 00:00 0 
7f5f4cf7e000-7f5f4d17f000 rw-p 00000000 00:00 0 
7f5f4d17