Details
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Bug
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Resolution: Done
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Major
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4.12.0
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Important
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Sprint 226
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1
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Rejected
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False
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N/A
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Release Note Not Required
Description
Description of problem:
A nil-pointer dereference occurred in the TestRouterCompressionOperation test in the e2e-gcp-operator CI job for the openshift/cluster-ingress-operator repository.
Version-Release number of selected component (if applicable):
4.12.
How reproducible:
Observed once. However, we run e2e-gcp-operator infrequently.
Steps to Reproduce:
1. Run the e2e-gcp-operator CI job on a cluster-ingress-operator PR.
Actual results:
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x38 pc=0x14cabef]
goroutine 8048 [running]:
testing.tRunner.func1.2({0x1624920, 0x265b870})
/usr/lib/golang/src/testing/testing.go:1389 +0x24e
testing.tRunner.func1()
/usr/lib/golang/src/testing/testing.go:1392 +0x39f
panic({0x1624920, 0x265b870})
/usr/lib/golang/src/runtime/panic.go:838 +0x207
k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0x40e43e5698?})
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:56 +0xd8
panic({0x1624920, 0x265b870})
/usr/lib/golang/src/runtime/panic.go:838 +0x207
github.com/openshift/cluster-ingress-operator/test/e2e.getHttpHeaders(0xc0002b9380?, 0xc0000e4540, 0x1)
/go/src/github.com/openshift/cluster-ingress-operator/test/e2e/router_compression_test.go:257 +0x2ef
github.com/openshift/cluster-ingress-operator/test/e2e.testContentEncoding.func1()
/go/src/github.com/openshift/cluster-ingress-operator/test/e2e/router_compression_test.go:220 +0x57
k8s.io/apimachinery/pkg/util/wait.ConditionFunc.WithContext.func1({0x18, 0xc00003f000})
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:222 +0x1b
k8s.io/apimachinery/pkg/util/wait.runConditionWithCrashProtectionWithContext({0x1b25d40?, 0xc000138000?}, 0xc000befe08?)
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:235 +0x57
k8s.io/apimachinery/pkg/util/wait.poll({0x1b25d40, 0xc000138000}, 0x48?, 0xc4fa25?, 0x30?)
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:582 +0x38
k8s.io/apimachinery/pkg/util/wait.PollImmediateWithContext({0x1b25d40, 0xc000138000}, 0xc000b1da00?, 0xc000befe98?, 0x414207?)
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:528 +0x4a
k8s.io/apimachinery/pkg/util/wait.PollImmediate(0xc00088cea0?, 0x3b9aca00?, 0xc000138000?)
/go/src/github.com/openshift/cluster-ingress-operator/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:514 +0x50
github.com/openshift/cluster-ingress-operator/test/e2e.testContentEncoding(0xc00088cea0, 0xc000a8a270, 0xc0000e4540, 0x1, {0x17fe569, 0x4})
/go/src/github.com/openshift/cluster-ingress-operator/test/e2e/router_compression_test.go:219 +0xfc
github.com/openshift/cluster-ingress-operator/test/e2e.TestRouterCompressionOperation(0xc00088cea0)
/go/src/github.com/openshift/cluster-ingress-operator/test/e2e/router_compression_test.go:208 +0x454
testing.tRunner(0xc00088cea0, 0x191cdd0)
/usr/lib/golang/src/testing/testing.go:1439 +0x102
created by testing.(*T).Run
/usr/lib/golang/src/testing/testing.go:1486 +0x35f
Expected results:
The test should pass.
Additional info:
The faulty logic was introduced in https://github.com/openshift/cluster-ingress-operator/pull/679/commits/211b9c15b1fd6217dee863790c20f34c26c138aa.
The test was subsequently marked as a parallel test in https://github.com/openshift/cluster-ingress-operator/pull/756/commits/a22322b25569059c61e1973f37f0a4b49e9407bc.
The job history shows that the e2e-gcp-operator job has only run once since June: https://prow.ci.openshift.org/job-history/gs/origin-ci-test/pr-logs/directory/pull-ci-openshift-cluster-ingress-operator-master-e2e-gcp-operator. I see failures in May, but none of those failures shows the panic.