[libvirt] [PATCH] qemu: Fix NULL ptr dereference caused by qemuDomainDefFormatBufInternal

[Daniel Henrique Barboza]

On 11/18/19 9:57 AM, Erik Skultety wrote:
> qemuDomainDefFormatBufInternal function wasn't testing whether the CPU
> was actually defined in the XML and saving such a domain resulted in the
> following backtrace:
> 
> 0 in qemuDomainMakeCPUMigratable (cpu=0x0)
> 1 in qemuDomainDefFormatBufInternal()
> 2 in qemuDomainDefFormatXMLInternal()
> 3 in qemuDomainDefFormatLive()
> 4 in qemuDomainSaveInternal()
> 5 in qemuDomainSaveFlags()
> 6 in qemuDomainSave()
> 7 in virDomainSave()
> 
> Signed-off-by: Erik Skultety <eskultet at redhat.com>
> ---


Reviewed-by: Daniel Henrique Barboza <danielhb413 at gmail.com>