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While fixing a bug with incorrectly freed memory in commit v3.1.0-399-g5498aa29a, I accidentally broke persistent migration of transient domains. Before adding qemuDomainDefCopy in the path, the code just took NULL from vm->newDef and used it as the persistent def, which resulted in no persistent XML being sent in the migration cookie. This scenario is perfectly valid and the destination correctly handles it by using the incoming live definition and storing it as the persistent one. After the mentioned commit libvirtd would just segfault in the described scenario. https://bugzilla.redhat.com/show_bug.cgi?id=1446205 Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>