virDomainDefParseXML: Check for malicious cpu ids in <numa/>
https://bugzilla.redhat.com/show_bug.cgi?id=1176020 Some users think this is a good idea: <vcpu placement='static'>4</vcpu> <cpu mode='host-model'> <model fallback='allow'/> <numa> <cell id='0' cpus='0-1' memory='1048576' unit='KiB'/> <cell id='1' cpus='9-10' memory='2097152' unit='KiB'/> </numa> </cpu> It's not. Lets therefore introduce a check and discourage them in doing so. Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
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