src/java.base/share/classes/java/io/ObjectInputStream.java

rev 12962 : 6823565: Excessive use of HandleList class in de-serialization code causes OutOfMemory
Reviewed-by: shade

*** 3381,3394 ****
  
          /**
           * Registers a dependency (in exception status) of one handle on
           * another.  The dependent handle must be "open" (i.e., assigned, but
           * not finished yet).  No action is taken if either dependent or target
!          * handle is NULL_HANDLE.
           */
          void markDependency(int dependent, int target) {
!             if (dependent == NULL_HANDLE || target == NULL_HANDLE) {
                  return;
              }
              switch (status[dependent]) {
  
                  case STATUS_UNKNOWN:
--- 3381,3395 ----
  
          /**
           * Registers a dependency (in exception status) of one handle on
           * another.  The dependent handle must be "open" (i.e., assigned, but
           * not finished yet).  No action is taken if either dependent or target
!          * handle is NULL_HANDLE. Additionally, no action is taken if the
!          * dependent and target are the same.
           */
          void markDependency(int dependent, int target) {
!             if (dependent == target || dependent == NULL_HANDLE || target == NULL_HANDLE) {
                  return;
              }
              switch (status[dependent]) {
  
                  case STATUS_UNKNOWN: