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changeset 5403:ee18e60e7e8d hs24.80-b06

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8022836: JVM crashes in JVMTIENVBASE::GET_CURRENT_CONTENDED_MONITOR and GET_OWNED_MONITOR Summary: Check that the _java_thread parameter is valid when it is possible that the JavaThread has exited after the initial checks were made in generated/jvmtifiles/jvmtiEnter.cpp: jvmti_GetCurrentContendedMonitor() Reviewed-by: dcubed, dsamersoff
author sgabdura
date Fri, 04 Apr 2014 10:15:08 +0200
parents 7801eaea32d2
children c0f53284e788
files src/share/vm/prims/jvmtiEnvBase.hpp
diffstat 1 files changed, 5 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/prims/jvmtiEnvBase.hpp	Thu Apr 03 07:33:45 2014 +0200
+++ b/src/share/vm/prims/jvmtiEnvBase.hpp	Fri Apr 04 10:15:08 2014 +0200
@@ -400,7 +400,11 @@
   VMOp_Type type() const { return VMOp_GetCurrentContendedMonitor; }
   jvmtiError result() { return _result; }
   void doit() {
-    _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,_java_thread,_owned_monitor_ptr);
+    _result = JVMTI_ERROR_THREAD_NOT_ALIVE;
+    if (Threads::includes(_java_thread) && !_java_thread->is_exiting() &&
+        _java_thread->threadObj() != NULL) {
+      _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,_java_thread,_owned_monitor_ptr);
+    }
   }
 };