Merge pull request #349 from dwnusbaum/infinite-loop-memory-leak-2

Avoid infinite loops due to corrupted flow graphs in some cases and improve resumption error handling
jenkinsci · Aug 13, 2024 · ee415d9 · ee415d9
2 parents c211223 + c406ccc
commit ee415d9
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Showing 21 changed files with 322 additions and 9 deletions.
diff --git a/src/main/java/org/jenkinsci/plugins/workflow/flow/FlowExecutionList.java b/src/main/java/org/jenkinsci/plugins/workflow/flow/FlowExecutionList.java
@@ -368,14 +368,19 @@ private static final class ParallelResumer {
                     LOGGER.log(Level.WARNING, "Could not look up FlowNode for " + se + " so it will not be resumed", x);
                 }
             }
-            for (FlowNode n : nodes.keySet()) {
-                LinearBlockHoppingScanner scanner = new LinearBlockHoppingScanner();
-                scanner.setup(n);
-                for (FlowNode parent : scanner) {
-                    if (parent != n && nodes.containsKey(parent)) {
-                        enclosing.put(n, parent);
-                        break;
+            for (Map.Entry<FlowNode, StepExecution> entry : nodes.entrySet()) {
+                FlowNode n = entry.getKey();
+                try {
+                    LinearBlockHoppingScanner scanner = new LinearBlockHoppingScanner();
+                    scanner.setup(n);
+                    for (FlowNode parent : scanner) {
+                        if (parent != n && nodes.containsKey(parent)) {
+                            enclosing.put(n, parent);
+                            break;
+                        }
                     }
+                } catch (Exception x) {
+                    LOGGER.log(Level.WARNING, x, () -> "Unable to compute enclosing blocks for " + n + ", so " + entry.getValue() + " might not resume successfully");
                 }
             }
         }

diff --git a/src/main/java/org/jenkinsci/plugins/workflow/graph/StandardGraphLookupView.java b/src/main/java/org/jenkinsci/plugins/workflow/graph/StandardGraphLookupView.java
@@ -11,7 +11,9 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -119,8 +121,11 @@ BlockEndNode bruteForceScanForEnd(@NonNull BlockStartNode start) {
     /** Do a brute-force scan for the enclosing blocks **/
     BlockStartNode bruteForceScanForEnclosingBlock(@NonNull final FlowNode node) {
         FlowNode current = node;
-
+        Set<String> visited = new HashSet<>();
         while (!(current instanceof FlowStartNode)) {  // Hunt back for enclosing blocks, a potentially expensive operation
+            if (!visited.add(current.getId())) {
+                throw new IllegalStateException("Cycle in flow graph for " + node.getExecution() + " involving " + current);
+            }
             if (current instanceof BlockEndNode) {
                 // Hop over the block to the start
                 BlockStartNode start = ((BlockEndNode) current).getStartNode();

diff --git a/src/main/java/org/jenkinsci/plugins/workflow/graphanalysis/LinearBlockHoppingScanner.java b/src/main/java/org/jenkinsci/plugins/workflow/graphanalysis/LinearBlockHoppingScanner.java
@@ -32,8 +32,10 @@
 import edu.umd.cs.findbugs.annotations.NonNull;
 import net.jcip.annotations.NotThreadSafe;
 import java.util.Collection;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -85,9 +87,12 @@ protected void setHeads(@NonNull Collection<FlowNode> heads) {
     @CheckForNull
     protected FlowNode jumpBlockScan(@CheckForNull FlowNode node, @NonNull Collection<FlowNode> blacklistNodes) {
         FlowNode candidate = node;
-
+        Set<String> visited = new HashSet<>();
         // Find the first candidate node preceding a block... and filtering by blacklist
         while (candidate instanceof BlockEndNode) {
+            if (!visited.add(candidate.getId())) {
+                throw new IllegalStateException("Cycle in flow graph for " + candidate.getExecution() + " involving " + candidate);
+            }
             candidate = ((BlockEndNode) candidate).getStartNode();
             if (blacklistNodes.contains(candidate)) {
                 return null;

diff --git a/src/test/java/org/jenkinsci/plugins/workflow/flow/FlowExecutionListTest.java b/src/test/java/org/jenkinsci/plugins/workflow/flow/FlowExecutionListTest.java
@@ -41,11 +41,14 @@
 import java.io.Serializable;
 import java.lang.ref.WeakReference;
 import java.util.Collections;
+import java.util.Objects;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
+import java.util.logging.LogRecord;
+import java.util.stream.Collectors;
 import jenkins.model.Jenkins;
 import org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition;
 import org.jenkinsci.plugins.workflow.job.WorkflowJob;
@@ -65,6 +68,7 @@
 import org.jvnet.hudson.test.JenkinsSessionRule;
 import org.jvnet.hudson.test.MemoryAssert;
 import org.jvnet.hudson.test.TestExtension;
+import org.jvnet.hudson.test.recipes.LocalData;
 import org.kohsuke.stapler.DataBoundConstructor;
 
 public class FlowExecutionListTest {
@@ -164,6 +168,35 @@ public class FlowExecutionListTest {
         });
     }
 
+    @LocalData
+    @Test public void resumeStepExecutionsWithCorruptFlowGraphWithCycle() throws Throwable {
+        // LocalData created using the following snippet while the build was waiting in the _second_ sleep, except
+        // for build.xml, which was captured during the sleep step. The StepEndNode for the stage was then adjusted to
+        // have its startId point to the timeout step's StepStartNode, creating a loop.
+        /*
+        sessions.then(r -> {
+            var stuck = r.createProject(WorkflowJob.class);
+            stuck.setDefinition(new CpsFlowDefinition("stage('stage') { sleep 30 }; timeout(time: 10) { sleep 30 }", true));
+            var b = stuck.scheduleBuild2(0).waitForStart();
+            System.out.println(b.getRootDir());
+            r.waitForCompletion(b);
+        });
+        */
+        logging.capture(50);
+        sessions.then(r -> {
+            var p = r.jenkins.getItemByFullName("test0", WorkflowJob.class);
+            var b = p.getBuildByNumber(1);
+            r.waitForCompletion(b);
+            assertThat(logging.getMessages(), hasItem(containsString("Unable to compute enclosing blocks")));
+            var loggedExceptions = logging.getRecords().stream()
+                    .map(LogRecord::getThrown)
+                    .filter(Objects::nonNull)
+                    .map(Throwable::toString)
+                    .collect(Collectors.toList());
+            assertThat(loggedExceptions, hasItem(containsString("Cycle in flow graph")));
+        });
+    }
+
     @Test public void stepExecutionIteratorDoesNotLeakBuildsWhenOneIsStuck() throws Throwable {
         sessions.then(r -> {
             var notStuck = r.createProject(WorkflowJob.class, "not-stuck");

diff --git a/...nListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/build.xml b/...nListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/build.xml
@@ -0,0 +1,46 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<flow-build plugin="workflow-job@1400.v7fd111b_ec82f">
+  <queueId>1</queueId>
+  <timestamp>1722979974600</timestamp>
+  <startTime>1722979974615</startTime>
+  <duration>0</duration>
+  <charset>UTF-8</charset>
+  <keepLog>false</keepLog>
+  <execution class="org.jenkinsci.plugins.workflow.cps.CpsFlowExecution">
+    <result>SUCCESS</result>
+    <script>stage(&apos;stage&apos;) { sleep 30 }; timeout(time: 10) { sleep 30 }</script>
+    <loadedScripts class="linked-hash-map"/>
+    <durabilityHint>MAX_SURVIVABILITY</durabilityHint>
+    <timings class="map">
+      <entry>
+        <string>flowNode</string>
+        <long>101709541</long>
+      </entry>
+      <entry>
+        <string>classLoad</string>
+        <long>124446251</long>
+      </entry>
+      <entry>
+        <string>run</string>
+        <long>200459289</long>
+      </entry>
+      <entry>
+        <string>parse</string>
+        <long>166818958</long>
+      </entry>
+      <entry>
+        <string>saveProgram</string>
+        <long>57936125</long>
+      </entry>
+    </timings>
+    <internalCalls class="sorted-set"/>
+    <sandbox>true</sandbox>
+    <iota>5</iota>
+    <head>1:5</head>
+    <start>2</start>
+    <done>false</done>
+    <resumeBlocked>false</resumeBlocked>
+  </execution>
+  <completed>false</completed>
+  <checkouts class="hudson.util.PersistedList"/>
+</flow-build>
diff --git a/...ecutionListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/log b/...ecutionListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/log
@@ -0,0 +1,13 @@
+Started
+[8mha:////4LSn6sjy3SQJvLr4M0Jcw5zYiu9jzzxAhCQhf5ciKGcGAAAAoh+LCAAAAAAAAP9tjTEOwjAQBM8BClpKHuFItIiK1krDC0x8GCfWnbEdkooX8TX+gCESFVvtrLSa5wtWKcKBo5UdUu8otU4GP9jS5Mixv3geZcdn2TIl9igbHBs2eJyx4YwwR1SwULBGaj0nRzbDRnX6rmuvydanHMu2V1A5c4MHCFXMWcf8hSnC9jqYxPTz/BXAFEIGsfuclm8zQVqFvQAAAA==[0m[Pipeline] Start of Pipeline
+[8mha:////4FLPcBhXXN+T+Uy5Bq+9NjiuG45smS/CK+MQ8sUKcTBsAAAApR+LCAAAAAAAAP9tjTEOwjAUQ3+KOrAycohUghExsUZZOEFIQkgb/d8mKe3EibgadyBQiQlLlmxL1nu+oE4RjhQdby12HpP2vA+jK4lPFLtroIm3dOGaMFGwXNpJkrGnpUrKFhaxClYC1hZ1oOTRZdiIVt1VExS65pxj2Q4CKm8GeAAThZxVzN8yR9jeRpMIf5y/AJj7DGxXvP/86jduZBmjwAAAAA==[0m[Pipeline] stage
+[8mha:////4MPOLP4Go7JuW3NkAKhksIfyE+NroTrcISNM8xfRFLQ8AAAApR+LCAAAAAAAAP9tjTEOwjAUQ3+KOrAycoh0gA0xsUZZOEFIQkgb/d8mKe3EibgadyBQiQlLlmxL1nu+oE4RjhQdby12HpP2vA+jK4lPFLtroIm3dOGaMFGwXNpJkrGnpUrKFhaxClYC1hZ1oOTRZdiIVt1VExS65pxj2Q4CKm8GeAAThZxVzN8yR9jeRpMIf5y/AJj7DGxXvP/86jfoP95RwAAAAA==[0m[Pipeline] { (stage)
+[8mha:////4E53KhegWm+s/q0TJkIC5MI9kTq62Eqnzz2Qdi1URRTJAAAAoh+LCAAAAAAAAP9tjTEOAiEURD9rLGwtPQTbaGWsbAmNJ0AWEZb8zwLrbuWJvJp3kLiJlZNMMm+a93rDOic4UbLcG+wdZu14DKOti0+U+lugiXu6ck2YKRguzSSpM+cFJRUDS1gDKwEbgzpQdmgLbIVXD9UGhba9lFS/o4DGdQM8gYlqLiqVL8wJdvexy4Q/z18BzLEA29ce4gdpL1fxvAAAAA==[0m[Pipeline] sleep
+Sleeping for 30 sec
+[8mha:////4G8hLCAAqKEvMe92YhTNPJa4MSOZpWK2lhgTDgEHbCXUAAAAoh+LCAAAAAAAAP9tjTEOAiEURD9rLGwtPQTbGBtjZUtoPAGyiLDkfxZYdytP5NW8g8RNrJxkknnTvNcb1jnBiZLl3mDvMGvHYxhtXXyi1N8CTdzTlWvCTMFwaSZJnTkvKKkYWMIaWAnYGNSBskNbYCu8eqg2KLTtpaT6HQU0rhvgCUxUc1GpfGFOsLuPXSb8ef4KYI6xADvU7j8OXFZ7vAAAAA==[0m[Pipeline] }
+[8mha:////4AnScT3OQumBbV+luAyxvhEcCl/8MozDCcq/aC6iNLpjAAAAox+LCAAAAAAAAP9tjTEOAiEURD9rLGwtPQRbWFgYK1tC4wmQRYQl/7PAult5Iq/mHSRuYuUkk8yb5r3esM4JTpQs9wZ7h1k7HsNo6+ITpf4WaOKerlwTZgqGSzNJ6sx5QUnFwBLWwErAxqAOlB3aAlvh1UO1QaFtLyXV7yigcd0AT2CimotK5Qtzgt197DLhz/NXAHOMBdihdv8BHeBS2LwAAAA=[0m[Pipeline] // stage
+[8mha:////4PTj6M4JscP6Gdk49EfTAaLMCwLZYd9IOq+brFvOiJPAAAAAph+LCAAAAAAAAP9tjUEKwjAURH8qXbh16SFScCWIK7chG08QkxjThv/bJLVdeSKv5h2MFlw5MDAzMLznC+oU4UjR8dZi5zFpz/swupL4RLG7Bpp4SxeuCRMFy6WdJBl7WqqkbGERq2AlYG1RB0oeXYaNaNVdNUGha845lu0goPJmgAcwUchZxfwtc4TtbTSJ8Mf5C4C5z8B2xfvPr34DrZTeycAAAAA=[0m[Pipeline] timeout
+Timeout set to expire in 10 min
+[8mha:////4M9FYx/jFzgoF1Ji4m6uzCtxEvJBQzBzYoKBBTbKepUTAAAApR+LCAAAAAAAAP9tjTEOwjAUQ3+KOrAycoh0BSEm1igLJwhJCGmj/9skpZ04EVfjDgQqMWHJkm3Jes8X1CnCkaLjrcXOY9Ke92F0JfGJYncNNPGWLlwTJgqWSztJMva0VEnZwiJWwUrA2qIOlDy6DBvRqrtqgkLXnHMs20FA5c0AD2CikLOK+VvmCNvbaBLhj/MXAHOfge2K959f/QbB16AVwAAAAA==[0m[Pipeline] {
+[8mha:////4O/MG/IybiYM4oG30m877qNjUwTyRLwWY87qTVAOsZwoAAAAoh+LCAAAAAAAAP9tjTEOwjAQBDdBFLSUPMKBEiEqWisNLzCJMU6su2BfSCpexNf4AxGRqNhqZ5p5vbFMEUeOTjWWWk+p8qoLvZueGji218CDaviiKqbEwarSDiXX9jRjyWIxL8ux0FhZqgInT06w1o15mCIYcsVZ4uQOGrmv73gi01NZTJQvjBGbW18npl/nbwBjJ8j2gny37T6VOYoyvQAAAA==[0m[Pipeline] sleep
+Sleeping for 30 sec
diff --git a/...nListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/log-index b/...nListTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/log-index
@@ -0,0 +1,5 @@
+1232 5
+1252
+2157 8
+2189
+2789 10
diff --git a/...istTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/program.dat b/...istTest/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/program.dat
diff --git a/...est/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/10.xml b/...est/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/10.xml
@@ -0,0 +1,26 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepAtomNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>9</string>
+    </parentIds>
+    <id>10</id>
+    <descriptorId>org.jenkinsci.plugins.workflow.steps.SleepStep</descriptorId>
+  </node>
+  <actions>
+    <cps.a.ArgumentsActionImpl plugin="workflow-cps@3894.3896.vca_2c931e7935">
+      <arguments>
+        <entry>
+          <string>time</string>
+          <long>30</long>
+        </entry>
+      </arguments>
+      <sensitiveVariables/>
+      <isUnmodifiedBySanitization>true</isUnmodifiedBySanitization>
+    </cps.a.ArgumentsActionImpl>
+    <wf.a.TimingAction>
+      <startTime>1722980005296</startTime>
+    </wf.a.TimingAction>
+    <s.a.LogStorageAction/>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/2.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/2.xml
@@ -0,0 +1,12 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="org.jenkinsci.plugins.workflow.graph.FlowStartNode">
+    <parentIds/>
+    <id>2</id>
+  </node>
+  <actions>
+    <wf.a.TimingAction>
+      <startTime>1722979974868</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/3.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/3.xml
@@ -0,0 +1,26 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepStartNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>2</string>
+    </parentIds>
+    <id>3</id>
+    <descriptorId>org.jenkinsci.plugins.workflow.support.steps.StageStep</descriptorId>
+  </node>
+  <actions>
+    <s.a.LogStorageAction/>
+    <cps.a.ArgumentsActionImpl plugin="workflow-cps@3894.3896.vca_2c931e7935">
+      <arguments>
+        <entry>
+          <string>name</string>
+          <string>stage</string>
+        </entry>
+      </arguments>
+      <sensitiveVariables/>
+      <isUnmodifiedBySanitization>true</isUnmodifiedBySanitization>
+    </cps.a.ArgumentsActionImpl>
+    <wf.a.TimingAction>
+      <startTime>1722979974972</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/4.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/4.xml
@@ -0,0 +1,19 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepStartNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>3</string>
+    </parentIds>
+    <id>4</id>
+    <descriptorId>org.jenkinsci.plugins.workflow.support.steps.StageStep</descriptorId>
+  </node>
+  <actions>
+    <wf.a.BodyInvocationAction/>
+    <wf.a.LabelAction>
+      <displayName>stage</displayName>
+    </wf.a.LabelAction>
+    <wf.a.TimingAction>
+      <startTime>1722979974988</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/5.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/5.xml
@@ -0,0 +1,26 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepAtomNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>4</string>
+    </parentIds>
+    <id>5</id>
+    <descriptorId>org.jenkinsci.plugins.workflow.steps.SleepStep</descriptorId>
+  </node>
+  <actions>
+    <cps.a.ArgumentsActionImpl plugin="workflow-cps@3894.3896.vca_2c931e7935">
+      <arguments>
+        <entry>
+          <string>time</string>
+          <long>30</long>
+        </entry>
+      </arguments>
+      <sensitiveVariables/>
+      <isUnmodifiedBySanitization>true</isUnmodifiedBySanitization>
+    </cps.a.ArgumentsActionImpl>
+    <wf.a.TimingAction>
+      <startTime>1722979975077</startTime>
+    </wf.a.TimingAction>
+    <s.a.LogStorageAction/>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/6.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/6.xml
@@ -0,0 +1,16 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepEndNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>5</string>
+    </parentIds>
+    <id>6</id>
+    <startId>4</startId>
+  </node>
+  <actions>
+    <wf.a.BodyInvocationAction/>
+    <wf.a.TimingAction>
+      <startTime>1722980005117</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/7.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/7.xml
@@ -0,0 +1,15 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepEndNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>6</string>
+    </parentIds>
+    <id>7</id>
+    <startId>8</startId> <!-- Manually edited to simulate corruption observed in the real world. -->
+  </node>
+  <actions>
+    <wf.a.TimingAction>
+      <startTime>1722980005177</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>
diff --git a/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/8.xml b/...Test/resumeStepExecutionsWithCorruptFlowGraphWithCycle/jobs/test0/builds/1/workflow/8.xml
@@ -0,0 +1,26 @@
+<?xml version='1.1' encoding='UTF-8'?>
+<Tag plugin="workflow-support@907.v6713a_ed8a_573">
+  <node class="cps.n.StepStartNode" plugin="workflow-cps@3894.3896.vca_2c931e7935">
+    <parentIds>
+      <string>7</string>
+    </parentIds>
+    <id>8</id>
+    <descriptorId>org.jenkinsci.plugins.workflow.steps.TimeoutStep</descriptorId>
+  </node>
+  <actions>
+    <s.a.LogStorageAction/>
+    <cps.a.ArgumentsActionImpl plugin="workflow-cps@3894.3896.vca_2c931e7935">
+      <arguments>
+        <entry>
+          <string>time</string>
+          <int>10</int>
+        </entry>
+      </arguments>
+      <sensitiveVariables/>
+      <isUnmodifiedBySanitization>true</isUnmodifiedBySanitization>
+    </cps.a.ArgumentsActionImpl>
+    <wf.a.TimingAction>
+      <startTime>1722980005227</startTime>
+    </wf.a.TimingAction>
+  </actions>
+</Tag>