Merge tag 'acpi-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix a crash in ACPICA while attempting to evaluate a control method
  that expects more arguments than are being passed to it, which was
  exposed by a defective firmware update from a prominent OEM on
  multiple systems (Rafael Wysocki)"

* tag 'acpi-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: Refuse to evaluate a method if arguments are missing

Author: torvalds

drivers/acpi/acpica/dsmethod.c

@@ -483,6 +483,13 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
 		return_ACPI_STATUS(AE_NULL_OBJECT);
 	}
 
+	if (this_walk_state->num_operands < obj_desc->method.param_count) {
+		ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
+			    acpi_ut_get_node_name(method_node)));
+
+		return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+	}
+
 	/* Init for new method, possibly wait on method mutex */
 
 	status =