<p dir="auto">I'm seeing this recovered panics in <code class="notranslate">kubelet.log</code>:</p>
<details>
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/kubelet/volumemanager/populator/desired_state_of_world_populator.go:158
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/kubelet/volumemanager/populator/desired_state_of_world_populator.go:128
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:86
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:87
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/wait/wait.go:49
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/kubelet/volumemanager/populator/desired_state_of_world_populator.go:102
/usr/local/go/src/runtime/asm_amd64.s:1998
E0714 20:49:56.257473    3445 runtime.go:70] Observed a panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil pointer dereference)
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/runtime/runtime.go:64
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/pkg/util/runtime/runtime.go:48
/usr/local/go/src/runtime/asm_amd64.s:472
/usr/local/go/src/runtime/panic.go:443
/usr/local/go/src/runtime/panic.go:62
/usr/local/go/src/runtime/sigpanic_unix.go:24
</details>
<p dir="auto">The same message appears multiple times in succession.</p>
<p dir="auto">It was first observed in the e2e logs of <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="161987495" data-permission-text="Title is private" data-url="https://github.com/kubernetes/kubernetes/issues/27956" data-hovercard-type="pull_request" data-hovercard-url="/kubernetes/kubernetes/pull/27956/hovercard" href="https://github.com/kubernetes/kubernetes/pull/27956">#27956</a>.<br>
I've confirmed the panics are happening in master by looking at <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="165677488" data-permission-text="Title is private" data-url="https://github.com/kubernetes/kubernetes/issues/28978" data-hovercard-type="pull_request" data-hovercard-url="/kubernetes/kubernetes/pull/28978/hovercard" href="https://github.com/kubernetes/kubernetes/pull/28978">#28978</a> that changes only a <code class="notranslate">README.md</code> file, and all tests passed.</p>
<p dir="auto">Full logs at:</p>
<ul dir="auto">
<li><a href="https://console.cloud.google.com/storage/browser/kubernetes-jenkins/pr-logs/pull/28978/kubernetes-pull-build-test-e2e-gce/49109/artifacts/e2e-gce-agent-pr-38-0-minion-group-1vnz/" rel="nofollow">https://console.cloud.google.com/storage/browser/kubernetes-jenkins/pr-logs/pull/28978/kubernetes-pull-build-test-e2e-gce/49109/artifacts/e2e-gce-agent-pr-38-0-minion-group-1vnz/</a></li>
<li>Open the file <code class="notranslate">kubelet.log</code>, search for <code class="notranslate">Observed a panic</code></li>
</ul>
<p dir="auto"><a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/saad-ali/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/saad-ali">@saad-ali</a> PTAL</p>
<p dir="auto">When calling <code class="notranslate">/api/v1/proxy/namespaces/$n/pods/$p:1234/</code> on a pod which returns CORS headers, duplicate CORS headers are returned (from the pod and from the API). The proxy should strip CORS headers, just like the pod proxy does.</p>
<p dir="auto">Reported in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="83390552" data-permission-text="Title is private" data-url="https://github.com/openshift/origin/issues/2619" data-hovercard-type="issue" data-hovercard-url="/openshift/origin/issues/2619/hovercard?comment_id=124502062&amp;comment_type=issue_comment" href="https://github.com/openshift/origin/issues/2619#issuecomment-124502062">openshift/origin#2619 (comment)</a></p>
<p dir="auto"><a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/csrwng/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/csrwng">@csrwng</a></p>