src/java.base/share/classes/java/lang/ProcessHandleImpl.java

@@ -91,11 +91,11 @@
          // of the processReaper threads.
          ThreadLocalRandom.current();
  
          // For a debug build, the stack shadow zone is larger;
          // Increase the total stack size to avoid potential stack overflow.
-         int debugDelta = "release".equals(System.getProperty("jdk.debug")) ? 0 : (4 * 4096);
+         int debugDelta = "release".equals(System.getProperty("jdk.debug")) ? 0 : (16 * 4096);
          final long stackSize = Boolean.getBoolean("jdk.lang.processReaperUseDefaultStackSize")
                  ? 0 : REAPER_DEFAULT_STACKSIZE + debugDelta;
  
          ThreadFactory threadFactory = grimReaper -> {
              Thread t = InnocuousThread.newSystemThread("process reaper", grimReaper,