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Similar to commit fdb80ed4f6563928b9942a0d1450e0c725aa6c06 libvirtd would crash if a gluster URI without path would be used in the backing chain of a volume. The crash happens in the gluster specific part of the parser that extracts the gluster volume name from the path. Fix the crash by checking that the PATH is NULL. This patch does not contain a test case as it's not possible to test it with the current infrastructure as the test suite would attempt to contact the gluster server in the URI. I'm working on the test suite addition but that will be post-release material. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1196528
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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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