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Detected by Coverity. The beginning of the function already filtered out NULL objectContentList as invalid. Further investigation shows: esxVI_RetrieveProperties is generated and returns a list of objects that match the given propertyFilterSpec. esxVI_LookupObjectContentByType then tests whether the result corresponds to the expected occurrence and reports an error otherwise. This simplifies the callers of esxVI_LookupObjectContentByType, but due to the missing dereference the check was never performed because the code thought that at least one item was obtained. NULL represents an empty list. This is a potential segfault fix because callers of esxVI_LookupObjectContentByType that specified "required" occurrence assume *objectContentList to be non-NULL when esxVI_LookupObjectContentByType succeeds. * src/esx/esx_vi.c (esxVI_LookupObjectContentByType): Check correct pointer.
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>