unset ld_preload and dyld_insert_librares (#11041)

gyuheon0h · web-flow · commit cd5b227eb234 · 2026-04-03T05:30:31.000Z
unset ld_preload and dyld_insert_librares

Merge branch 'master' into gyuheon0h/jvm-ldpreload-reset

Co-authored-by: gyuheon.oh &lt;gyuheon.oh@datadoghq.com&gt;
diff --git a/dd-java-agent/agent-crashtracking/src/main/resources/datadog/crashtracking/notify_oome.sh b/dd-java-agent/agent-crashtracking/src/main/resources/datadog/crashtracking/notify_oome.sh
@@ -54,6 +54,9 @@ echo "PID: $PID"
 unset JDK_JAVA_OPTIONS
 unset JAVA_TOOL_OPTIONS
 unset _JAVA_OPTIONS
+# Prevent the instrumentation injector from re-injecting the agent into the child JVM
+unset LD_PRELOAD
+unset DYLD_INSERT_LIBRARIES
 
 # Execute the Java command with the loaded values
 "$config_java_home/bin/java" -Ddd.dogstatsd.start-delay=0 -jar "$config_agent" sendOomeEvent "$config_tags"
diff --git a/dd-java-agent/agent-crashtracking/src/main/resources/datadog/crashtracking/upload_crash.sh b/dd-java-agent/agent-crashtracking/src/main/resources/datadog/crashtracking/upload_crash.sh
@@ -11,6 +11,9 @@ if [ -z "$1" ]; then
   unset JDK_JAVA_OPTIONS
   unset JAVA_TOOL_OPTIONS
   unset _JAVA_OPTIONS
+  # Prevent the instrumentation injector from re-injecting the agent into the child JVM
+  unset LD_PRELOAD
+  unset DYLD_INSERT_LIBRARIES
 
   "!JAVA_HOME!/bin/java" -jar "!AGENT_JAR!" uploadCrash "!JAVA_ERROR_FILE!"
   if [ $? -eq 0 ]; then
@@ -129,6 +132,9 @@ echo "PID: $PID"
 unset JDK_JAVA_OPTIONS
 unset JAVA_TOOL_OPTIONS
 unset _JAVA_OPTIONS
+# Prevent the instrumentation injector from re-injecting the agent into the child JVM
+unset LD_PRELOAD
+unset DYLD_INSERT_LIBRARIES
 
 # Execute the Java command with the loaded values
 "$config_java_home/bin/java" -jar "$config_agent" uploadCrash -c "$configFile" "$config_hs_err"
