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diff src/share/vm/prims/jvmtiEnv.cpp @ 17946:997fd9660dd5

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8027230: Overflow in java.lang.instrument.Instrumentation.getObjectSize() method Reviewed-by: dholmes, sspitsyn
author allwin
date Thu, 22 May 2014 09:12:29 +0200
parents b8860472c377
children 52b4284cb496 887a7cedb892
line wrap: on
line diff
--- a/src/share/vm/prims/jvmtiEnv.cpp	Wed May 21 11:25:25 2014 +0200
+++ b/src/share/vm/prims/jvmtiEnv.cpp	Thu May 22 09:12:29 2014 +0200
@@ -307,9 +307,9 @@
       !java_lang_Class::is_primitive(mirror)) {
     Klass* k = java_lang_Class::as_Klass(mirror);
     assert(k != NULL, "class for non-primitive mirror must exist");
-    *size_ptr = k->size() * wordSize;
+    *size_ptr = (jlong)k->size() * wordSize;
   } else {
-    *size_ptr = mirror->size() * wordSize;
+    *size_ptr = (jlong)mirror->size() * wordSize;
     }
   return JVMTI_ERROR_NONE;
 } /* end GetObjectSize */