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49cb53fae9
Until now, it was possible to crash libvirtd when defining domain with channel device with missing source element. When creating new virDomainChrDef, target.port is set to -1, but unfortunately it is an union with addresses that virDomainChrDefFree tries to free in case the deviceType is channel. Having the port set to -1 is intended, however the cleanest way to get around the problems with the crash seems to be renumbering the VIR_DOMAIN_CHR_CHANNEL_ target types to cover new NONE type (with value 0) being the default (no target type yet). (cherry picked from commit 830d035ff5a88c3896a6e508364e34697de941a1)
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>