Tue, 22 Jan 2013 05:55:04 -0800
6444286: Possible naked oop related to biased locking revocation safepoint in jni_exit()
Summary: Add missing Handle.
Reviewed-by: acorn, dholmes, dice, sspitsyn
Contributed-by: karen.kinnear@oracle.com
src/share/vm/runtime/synchronizer.cpp | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/vm/runtime/synchronizer.cpp Mon Jan 21 16:11:24 2013 -0500 1.2 +++ b/src/share/vm/runtime/synchronizer.cpp Tue Jan 22 05:55:04 2013 -0800 1.3 @@ -1,5 +1,5 @@ 1.4 /* 1.5 - * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. 1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.8 * 1.9 * This code is free software; you can redistribute it and/or modify it 1.10 @@ -333,7 +333,9 @@ 1.11 void ObjectSynchronizer::jni_exit(oop obj, Thread* THREAD) { 1.12 TEVENT (jni_exit) ; 1.13 if (UseBiasedLocking) { 1.14 - BiasedLocking::revoke_and_rebias(obj, false, THREAD); 1.15 + Handle h_obj(THREAD, obj); 1.16 + BiasedLocking::revoke_and_rebias(h_obj, false, THREAD); 1.17 + obj = h_obj(); 1.18 } 1.19 assert(!obj->mark()->has_bias_pattern(), "biases should be revoked by now"); 1.20