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8264918: [JVMCI] getVtableIndexForInterfaceMethod doesn't check that type and method are related

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Reviewed-by: kvn
This commit is contained in:
Vladimir Ivanov 2021-04-09 10:46:12 +00:00
parent f7a6c63ad3
commit b3782ead36
2 changed files with 11 additions and 5 deletions
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6
src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
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@ -729,10 +729,11 @@ C2V_END
C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
Klass* klass = JVMCIENV->asKlass(jvmci_type);
methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
InstanceKlass* holder = method->method_holder();
if (klass->is_interface()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
}
if (!method->method_holder()->is_interface()) {
if (!holder->is_interface()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
}
if (!klass->is_instance_klass()) {
@ -741,6 +742,9 @@ C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, job
if (!InstanceKlass::cast(klass)->is_linked()) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
}
if (!klass->is_subtype_of(holder)) {
JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s does not implement interface %s", klass->external_name(), holder->external_name()));
}
return LinkResolver::vtable_index_of_interface_method(klass, method);
C2V_END