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  1. OpenShift Bugs
  2. OCPBUGS-62712

panic: nil pointer deref in IsVirtualMachine in cloud-provider-azure

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      https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_hypershift/6674/pull-ci-openshift-hypershift-release-4.19-e2e-aks/1973448199842566144

      https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/test-platform-results/pr-logs/pull/openshift_hypershift/6674/pull-ci-openshift-hypershift-release-4.19-e2e-aks/1973448199842566144/artifacts/e2e-aks/hypershift-azure-run-e2e/artifacts/TestNodePool_HostedCluster0/namespaces/e2e-clusters-5w5hc-node-pool-fcjqr/core/pods/logs/azure-cloud-controller-manager-77c5f665fd-c5zb5-cloud-controller-manager-previous.log

      E1001 19:28:18.339257       1 panic.go:262] "Observed a panic" panic="runtime error: invalid memory address or nil pointer dereference" panicGoValue="\"invalid memory address or nil pointer dereference\"" stacktrace=<
      	goroutine 20223 [running]:
      	k8s.io/apimachinery/pkg/util/runtime.logPanic({0x33d3370, 0x4ed7140}, {0x2954c20, 0x4dd03d0})
      		/go/src/github.com/openshift/cloud-provider-azure/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:107 +0xbc
      	k8s.io/apimachinery/pkg/util/runtime.handleCrash({0x33d3370, 0x4ed7140}, {0x2954c20, 0x4dd03d0}, {0x4ed7140, 0x0, 0x0?})
      		/go/src/github.com/openshift/cloud-provider-azure/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:82 +0x5e
      	k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0xc000362780?})
      		/go/src/github.com/openshift/cloud-provider-azure/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:59 +0x108
      	panic({0x2954c20?, 0x4dd03d0?})
      		/usr/lib/golang/src/runtime/panic.go:785 +0x132
      	sigs.k8s.io/cloud-provider-azure/pkg/provider/virtualmachine.(*VirtualMachine).IsVirtualMachine(...)
      		/go/src/github.com/openshift/cloud-provider-azure/pkg/provider/virtualmachine/virtualmachine.go:133
      	sigs.k8s.io/cloud-provider-azure/pkg/provider/virtualmachine.(*VirtualMachine).GetInstanceViewStatus(...)
      		/go/src/github.com/openshift/cloud-provider-azure/pkg/provider/virtualmachine/virtualmachine.go:153
      	sigs.k8s.io/cloud-provider-azure/pkg/provider.(*ScaleSet).EnsureHostInPool(0xc000a11f20, {0x33d37f0, 0xc000d6f9b0}, 0x19?, {0xc00036c100, 0x39}, {0xc0018275c0, 0xc0}, {0x0, 0x0})
      		/go/src/github.com/openshift/cloud-provider-azure/pkg/provider/azure_vmss.go:1060 +0x4d9
      

      https://github.com/openshift/cloud-provider-azure/blob/7109d6b4eaefda87b235c88b92c2e17fd3dd0117/pkg/provider/virtualmachine/virtualmachine.go#L133

              rmanak@redhat.com Radek Manak
              sjenning Seth Jennings
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              Zhaohua Sun Zhaohua Sun
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                Created:
                Updated: