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If, by any reason, parallelsNetworkOpen fails it dereferences newly allocated privconn->networks via virObjectUnref, which in turn deallocates its memory. Subsequent call of parallelsNetworkClose calls virObjectUnref that leads to double memory free. To prevent this we should zero privconn->networks to make all subsequent virObjectUnref be safe. Signed-off-by: Maxim Nestratov <mnestratov@parallels.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>