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8026065: InterfaceMethodref for invokespecial must name a direct superinterface

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Add verification to check that invokespecial of an InterfaceMethodref names a method in a direct superinterface of the current class or interface in accordance with JSR 335, JVMS 4.9.2 Structural Constraints.

Reviewed-by: acorn, hseigel, coleenp
This commit is contained in:
Lois Foltan 2013-11-26 09:52:22 -05:00 • committed by Harold Seigel
parent b1e3461fe5
commit 28557bc30e
5 changed files with 71 additions and 3 deletions
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19
hotspot/src/share/vm/interpreter/linkResolver.cpp
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@ -915,6 +915,25 @@ void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method
return;
}
// check if invokespecial's interface method reference is in an indirect superinterface
if (!current_klass.is_null() && resolved_klass->is_interface()) {
Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ?
current_klass() :
InstanceKlass::cast(current_klass())->host_klass();
if (!InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) {
ResourceMark rm(THREAD);
char buf[200];
jio_snprintf(buf, sizeof(buf),
"Interface method reference: %s, is in an indirect superinterface of %s",
Method::name_and_sig_as_C_string(resolved_klass(),
resolved_method->name(),
resolved_method->signature()),
current_klass->external_name());
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
}
// check if not static
if (resolved_method->is_static()) {
ResourceMark rm(THREAD);