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6989076: JVM crashes in klassItable::initialize_itable_for_interface

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Hotspot should check protection attribute besides the name and signature of the method when constructing vtable.

Reviewed-by: dcubed
This commit is contained in:
Dmitry Samersoff 2010-12-09 17:53:22 +03:00
parent 03a1ccfef2
commit d344b51209
1 changed files with 9 additions and 6 deletions
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15
hotspot/src/share/vm/oops/klassVtable.cpp
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@ -518,18 +518,21 @@ bool klassVtable::is_miranda_entry_at(int i) {
bool klassVtable::is_miranda(methodOop m, objArrayOop class_methods, klassOop super) {
symbolOop name = m->name();
symbolOop signature = m->signature();
if (instanceKlass::find_method(class_methods, name, signature) == NULL) {
// did not find it in the method table of the current class
// did not find it in the method table of the current class
if (super == NULL) {
// super doesn't exist
return true;
} else {
if (instanceKlass::cast(super)->lookup_method(name, signature) == NULL) {
// super class hierarchy does not implement it
return true;
}
}
methodOop mo = instanceKlass::cast(super)->lookup_method(name, signature);
if (mo == NULL || mo->access_flags().is_private() ) {
// super class hierarchy does not implement it or protection is different
return true;
}
}
return false;
}