replace nil ptr exceptions with infinite loops
replace nil ptr exceptions with infinite loops

mkuzmin/packer,pecigonzalo/packer,youhong316/packer,timsutton/packer,hashicorp/packer,dave2/packer,grubernaut/packer,ChrisLundquist/packer,pecigonzalo/packer,tb3088/packer,ChrisLundquist/packer,mitchellh/packer,tas50/packer,youhong316/packer,ricardclau/packer,KohlsTechnology/packer,pecigonzalo/packer,bryson/packer,tb3088/packer,ricardclau/packer,mitchellh/packer,bryson/packer,timsutton/packer,hashicorp/packer,dave2/packer,ricardclau/packer,mkuzmin/packer,KohlsTechnology/packer,rnaveiras/packer,ChrisLundquist/packer,tb3088/packer,mkuzmin/packer,paulmey/packer,youhong316/packer,grubernaut/packer,youhong316/packer,ricardclau/packer,tb3088/packer,dave2/packer,dave2/packer,dave2/packer,paulmey/packer,grubernaut/packer,mitchellh/packer,hashicorp/packer,youhong316/packer,paulmey/packer,rnaveiras/packer,rnaveiras/packer,timsutton/packer,paulmey/packer,timsutton/packer,ChrisLundquist/packer,timsutton/packer,grubernaut/packer,timsutton/packer,youhong316/packer,ricardclau/packer,tb3088/packer,bryson/packer,KohlsTechnology/packer,rnaveiras/packer,tas50/packer,mitchellh/packer,tb3088/packer,mkuzmin/packer,tas50/packer,KohlsTechnology/packer,rnaveiras/packer,rnaveiras/packer,bryson/packer,bryson/packer,KohlsTechnology/packer,paulmey/packer,mitchellh/packer,grubernaut/packer,bryson/packer,grubernaut/packer,mkuzmin/packer,hashicorp/packer,ChrisLundquist/packer,KohlsTechnology/packer,paulmey/packer,ChrisLundquist/packer,dave2/packer,pecigonzalo/packer,tas50/packer,ricardclau/packer,mkuzmin/packer,tas50/packer,tas50/packer