Deployed a brand new OCP cluster and installed VPA, observed the vpa-recommender pod crahslooping, logs show a fatal error with many stack traces.

NAME                                                READY   STATUS    RESTARTS          AGE
vertical-pod-autoscaler-operator-76768f8dbf-lwswt   1/1     Running   0                 14h
vpa-admission-plugin-default-b84b8f5cc-f5b75        1/1     Running   0                 14h
vpa-recommender-default-d8f9954d8-ljzxr             1/1     Running   119 (4m38s ago)   14h
vpa-updater-default-64c4cc9876-lmc85                1/1     Running   0                 14h

OCP - 4.20.6
VPA - 4.20.0-202511250912 

Consistently reproducing with this environment

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I1204 13:31:34.581364       1 cluster.go:412] "Removing empty and not contributive AggregateCollectionState" key={}
I1204 13:31:34.581378       1 cluster.go:412] "Removing empty and not contributive AggregateCollectionState" key={}
I1204 13:31:34.581388       1 cluster.go:412] "Removing empty and not contributive AggregateCollectionState" key={}
I1204 13:31:34.581405       1 cluster.go:412] "Removing empty and not contributive AggregateCollectionState" key={}
fatal error: concurrent map writes

goroutine 719 [running]:
internal/runtime/maps.fatal({0x217e142?, 0xc00195ada0?})
	/usr/lib/golang/src/runtime/panic.go:1058 +0x18
k8s.io/autoscaler/vertical-pod-autoscaler/pkg/utils/metrics/recommender.(*ObjectCounter).Add(0xc0005882b8, 0xc001f00e40)
	/go/src/k8s.io/autoscaler/vertical-pod-autoscaler/pkg/utils/metrics/recommender/recommender.go:192 +0x2b2
k8s.io/autoscaler/vertical-pod-autoscaler/pkg/recommender/routines.(*recommender).UpdateVPAs.func1()
	/go/src/k8s.io/autoscaler/vertical-pod-autoscaler/pkg/recommender/routines/recommender.go:144 +0xa8
created by k8s.io/autoscaler/vertical-pod-autoscaler/pkg/recommender/routines.(*recommender).UpdateVPAs in goroutine 1
	/go/src/k8s.io/autoscaler/vertical-pod-autoscaler/pkg/recommender/routines/recommender.go:131 +0x14b