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Guannan Ren
48b9eb2d55
usb: fix crash when failing to attach a second usb device
when failing to attach another usb device to a domain for some reason which has one use device attached before, the libvirtd crashed. The crash is caused by null-pointer dereference error in invoking usbDeviceListSteal passed in NULL value usb variable. commit 05abd1507d66aabb6cad12eeafeb4c4d1911c585 introduces the bug. (cherry picked from commit ab5fb8f34c93661bb19b62e4ed3592fb53cd6b36)
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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