RH2021263: Make sure java.security.Security is initialised when retrieving JavaSecuritySystemConfiguratorAccess instance

Author: gnu-andrew

src/java.base/share/classes/jdk/internal/misc/SharedSecrets.java

@@ -36,6 +36,7 @@
 import java.io.ObjectInputStream;
 import java.io.RandomAccessFile;
 import java.security.ProtectionDomain;
+import java.security.Security;
 import java.security.Signature;
 
 /** A repository of "shared secrets", which are a mechanism for
@@ -368,6 +369,9 @@ public static void setJavaSecuritySystemConfiguratorAccess(JavaSecuritySystemCon
     }
 
     public static JavaSecuritySystemConfiguratorAccess getJavaSecuritySystemConfiguratorAccess() {
+        if (javaSecuritySystemConfiguratorAccess == null) {
+            unsafe.ensureClassInitialized(Security.class);
+        }
         return javaSecuritySystemConfiguratorAccess;
     }
 }