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Bug
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Resolution: Unresolved
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4.16.z
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False
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Moderate
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None
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Hello Team,
One of the `ovnkube-node` pod in customer's OCP 4.16.54 cluster is failing with "panic: runtime error: invalid memory address" error.
2026-01-27T14:27:06.063687850Z I0127 14:27:06.063658 609721 gateway.go:397] Reconciling gateway with updates
2026-01-27T14:27:06.065883406Z panic: runtime error: invalid memory address or nil pointer dereference
2026-01-27T14:27:06.065883406Z [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1d0cea8]
2026-01-27T14:27:06.065883406Z
2026-01-27T14:27:06.065883406Z goroutine 138 [running]:
2026-01-27T14:27:06.065883406Z github.com/ovn-org/ovn-kubernetes/go-controller/pkg/node.(*gateway).Reconcile(0xc00057cd80)
2026-01-27T14:27:06.065883406Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/pkg/node/gateway.go:398 +0x88
2026-01-27T14:27:06.065883406Z github.com/ovn-org/ovn-kubernetes/go-controller/pkg/network-controller-manager.(*nodeNetworkControllerManager).Stop(0xc000240070, 0xc00029b1ac)
2026-01-27T14:27:06.065883406Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/pkg/network-controller-manager/node_network_controller_manager.go:177 +0xb5
2026-01-27T14:27:06.065883406Z github.com/ovn-org/ovn-kubernetes/go-controller/pkg/network-controller-manager.(*nodeNetworkControllerManager).Start.func1()
2026-01-27T14:27:06.065883406Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/pkg/network-controller-manager/node_network_controller_manager.go:116 +0x25
2026-01-27T14:27:06.065932876Z github.com/ovn-org/ovn-kubernetes/go-controller/pkg/network-controller-manager.(*nodeNetworkControllerManager).Start(0xc000240070, {0x2822650, 0xc000412370}, 0xc00029b1ac)
2026-01-27T14:27:06.065932876Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/pkg/network-controller-manager/node_network_controller_manager.go:134 +0x3c8
2026-01-27T14:27:06.065932876Z main.runOvnKube.func4()
2026-01-27T14:27:06.065932876Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/cmd/ovnkube/ovnkube.go:571 +0x265
2026-01-27T14:27:06.065932876Z created by main.runOvnKube in goroutine 1
2026-01-27T14:27:06.065932876Z /go/src/github.com/openshift/ovn-kubernetes/go-controller/cmd/ovnkube/ovnkube.go:549 +0x6cd
As per our analysis there seems to be no problematic MultiNetworkPolicy, NetworkPolicy, etc. We have already performed OVN DB rebuild along with generating new chassis ID but still the issue persists.
