stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8287854: Dangling reference in ClassVerifier::verify_class

Browse Source 
Reviewed-by: dholmes, coleenp
This commit is contained in:
Harold Seigel 2022-06-09 12:03:54 +00:00
parent 4285e3d6db
commit 3fa99844a6
2 changed files with 5 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/hotspot/share/classfile/verifier.cpp
View File

@ -594,7 +594,7 @@ void ErrorContext::stackmap_details(outputStream* ss, const Method* method) cons
ClassVerifier::ClassVerifier(JavaThread* current, InstanceKlass* klass)
: _thread(current), _previous_symbol(NULL), _symbols(NULL), _exception_type(NULL),
_message(NULL), _method_signatures_table(NULL), _klass(klass) {
_message(NULL), _klass(klass) {
_this_type = VerificationType::reference_type(klass->name());
}
@ -625,16 +625,12 @@ void ClassVerifier::verify_class(TRAPS) {
// Either verifying both local and remote classes or just remote classes.
assert(BytecodeVerificationRemote, "Should not be here");
// Create hash table containing method signatures.
method_signatures_table_type method_signatures_table;
set_method_signatures_table(&method_signatures_table);
Array<Method*>* methods = _klass->methods();
int num_methods = methods->length();
for (int index = 0; index < num_methods; index++) {
// Check for recursive re-verification before each method.
if (was_recursively_verified()) return;
if (was_recursively_verified()) return;
Method* m = methods->at(index);
if (m->is_native() || m->is_abstract() || m->is_overpass()) {

10
src/hotspot/share/classfile/verifier.hpp
View File

@ -285,7 +285,7 @@ class ClassVerifier : public StackObj {
Symbol* _exception_type;
char* _message;
method_signatures_table_type* _method_signatures_table;
method_signatures_table_type _method_signatures_table;
ErrorContext _error_context; // contains information about an error
@ -437,12 +437,8 @@ class ClassVerifier : public StackObj {
Klass* load_class(Symbol* name, TRAPS);
method_signatures_table_type* method_signatures_table() const {
return _method_signatures_table;
}
void set_method_signatures_table(method_signatures_table_type* method_signatures_table) {
_method_signatures_table = method_signatures_table;
method_signatures_table_type* method_signatures_table() {
return &_method_signatures_table;
}
int change_sig_to_verificationType(