Fri, 16 Jan 2015 09:15:22 +0100
6584008: jvmtiStringPrimitiveCallback should not be invoked when string value is null
Reviewed-by: sla, sspitsyn
src/share/vm/prims/jvmtiTagMap.cpp | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/vm/prims/jvmtiTagMap.cpp Wed Feb 04 04:31:38 2015 -0500 1.2 +++ b/src/share/vm/prims/jvmtiTagMap.cpp Fri Jan 16 09:15:22 2015 +0100 1.3 @@ -1045,10 +1045,16 @@ 1.4 { 1.5 assert(str->klass() == SystemDictionary::String_klass(), "not a string"); 1.6 1.7 + typeArrayOop s_value = java_lang_String::value(str); 1.8 + 1.9 + // JDK-6584008: the value field may be null if a String instance is 1.10 + // partially constructed. 1.11 + if (s_value == NULL) { 1.12 + return 0; 1.13 + } 1.14 // get the string value and length 1.15 // (string value may be offset from the base) 1.16 int s_len = java_lang_String::length(str); 1.17 - typeArrayOop s_value = java_lang_String::value(str); 1.18 int s_offset = java_lang_String::offset(str); 1.19 jchar* value; 1.20 if (s_len > 0) {