Merge pull request #47 from fengxue-IS/getstacktrace

Fix Thread.getStackTrace synchronization
ibmruntimes · Oct 29, 2022 · 2eb6c5c · 2eb6c5c
2 parents 0deb85c + 0b34e5b
commit 2eb6c5c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/java.base/share/classes/java/lang/Thread.java b/src/java.base/share/classes/java/lang/Thread.java
@@ -2571,6 +2571,10 @@ StackTraceElement[] asyncGetStackTrace() {
     private Object getStackTrace0() {
         Throwable t;
         synchronized (interruptLock) {
+            /* Ensure only live thread is passed to native code. */
+            if (!isAlive()) {
+                return EMPTY_STACK_TRACE;
+            }
             t = getStackTraceImpl();
         }
         return (Object)J9VMInternals.getStackTrace(t, false);