Deal with large header data values safely when allocating objects.
Deal with large header data values safely when allocating objects.

varjagg/Mezzano,AugustusHuang/Mezzano,froggey/Mezzano,rvedam/Mezzano,AugustusHuang/Mezzano,rvedam/Mezzano,varjagg/Mezzano,froggey/Mezzano