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8ff53ba991
If a domain network interface that contains a <filterref> is modified "live" using "virsh update-device --live", libvirtd would crash. This was because the code supporting live update of an interface's filterref was assuming that a filterref might be added or modified, but didn't account for removing the filterref, resulting in a null dereference of the filter name. Introduced with commit 258fb278, which was first in libvirt v1.0.1. This addresses https://bugzilla.redhat.com/show_bug.cgi?id=1093301 (cherry picked from commit 0eac9d1e90fc3388030c6109aeb1f4860f108054)
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>