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The virSocketAddrMask method did not initialize all fields in the sockaddr_in6 struct. In paticular the 'sin6_scope_id' field could contain random garbage, which would in turn affect the result of any later virSocketAddrFormat calls. This led to ip6tables rules in the FORWARD chain which matched on random garbage sin6_scope_id. Fortunately these were ACCEPT rules, so the impact was merely that desired traffic was blocked, rather than undesired traffic allowed. Signed-off-by: Daniel P. Berrange <berrange@redhat.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>
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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