[libvirt] [PATCH] qemu: fix use after free
Detected by Coverity. * src/qemu/qemu_hotplug.c (qemuDomainAttachHostDevice): Avoid double free of usb on failure. --- src/qemu/qemu_hotplug.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ba841e9..ceffe22 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1170,6 +1170,7 @@ int qemuDomainAttachHostDevice(struct qemud_driver *driver, if (usbDeviceListAdd(list, usb) < 0) { usbFreeDevice(usb); + usb = NULL: goto cleanup; } -- 1.7.11.2
On Tue, Jul 31, 2012 at 08:05:46AM -0600, Eric Blake wrote:
Detected by Coverity.
* src/qemu/qemu_hotplug.c (qemuDomainAttachHostDevice): Avoid double free of usb on failure. --- src/qemu/qemu_hotplug.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ba841e9..ceffe22 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1170,6 +1170,7 @@ int qemuDomainAttachHostDevice(struct qemud_driver *driver,
if (usbDeviceListAdd(list, usb) < 0) { usbFreeDevice(usb); + usb = NULL: goto cleanup; }
ACK, Daniel -- Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ daniel@veillard.com | Rpmfind RPM search engine http://rpmfind.net/ http://veillard.com/ | virtualization library http://libvirt.org/
participants (3)
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Daniel Veillard -
Eric Blake -
Jiri Denemark