[Bug] eksctl delete cluster errors with: panic: send on closed channel

[lucasrod16]

What were you trying to accomplish?

Delete an EKS cluster using eksctl version v0.162.0 and v0.161.0

What happened?

eksctl delete cluster command produced the following error:

     2023-10-13 18:52:39 [ℹ]  deleted serviceaccount "kube-system/aws-node"

     2023-10-13 18:52:40 [ℹ]  will delete stack "eksctl-zarf-init-aws-private-test-addon-aws-ebs-csi-driver"

     2023-10-13 18:52:40 [ℹ]  waiting for stack "eksctl-zarf-init-aws-private-test-addon-aws-ebs-csi-driver" to get deleted

     2023-10-13 18:52:40 [ℹ]  waiting for CloudFormation stack "eksctl-zarf-init-aws-private-test-addon-aws-ebs-csi-driver"

     2023-10-13 18:52:40 [ℹ]  will delete stack "eksctl-zarf-init-aws-private-test-cluster"

     2023-10-13 18:52:40 [ℹ]  waiting for stack "eksctl-zarf-init-aws-private-test-cluster" to get deleted

     2023-10-13 18:52:40 [ℹ]  waiting for CloudFormation stack "eksctl-zarf-init-aws-private-test-cluster"

     2023-10-13 18:53:10 [ℹ]  waiting for CloudFormation stack "eksctl-zarf-init-aws-private-test-addon-aws-ebs-csi-driver"

     panic: send on closed channel
     panic: close of closed channel

goroutine 889 [running]:
github.com/weaveworks/eksctl/pkg/cfn/manager.(*StackCollection).waitUntilStackIsDeleted(0xc00046b650?, {0x64c9268?, 0xc000078158?}, 0x860ea6?, 0xc000747e00)
	github.com/weaveworks/eksctl/pkg/cfn/manager/waiters.go:119
      +0xb5
created by github.com/weaveworks/eksctl/pkg/cfn/manager.(*StackCollection).DeleteStackBySpecSync
	github.com/weaveworks/eksctl/pkg/cfn/manager/api.go:595 +0x158

Downgraded to v0.161.0 and got the same error. Downgrading to v0.160.0 resolved the issue

How to reproduce it?

1. Create a config file:

apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
  name: zarf-init-aws-private-test
  region: us-east-1
  version: 1.27

# Specify AZs to avoid insufficient capacity error in us-east-1e AZ: https://github.com/eksctl-io/eksctl/issues/3816
availabilityZones:
  - us-east-1a
  - us-east-1d

iam:
  withOIDC: true

addons:
  - name: aws-ebs-csi-driver
    version: v1.21.0-eksbuild.1
    attachPolicyARNs:
      - arn:aws:iam::aws:policy/service-role/AmazonEBSCSIDriverPolicy

managedNodeGroups:
- instanceType: t3.small
  name: zarf-init-aws-private-test-ng
  minSize: 3
  maxSize: 6
  spot: true

2. Download eksctl binary for Darwin arm64 or Linux amd64 (v0.161.0 or v0.162.0)

3. Create a cluster

eksctl create cluster -f eks.yaml

4. Delete the cluster

eksctl delete cluster -f eks.yaml --disable-nodegroup-eviction --wait

Anything else we need to know?

Using a downloaded binary from github releases. Error occurred on both Darwin arm64 (M1 Mac) and Linux amd64 (Ubuntu 22.04.3 LTS, GitHub Actions runner)

Versions

$ eksctl info

eksctl version: 0.162.0-dev+06acd0c7b.2023-10-13T10:55:30Z
kubectl version: v1.28.2
OS: darwin

[github-actions]

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