[HDAUDBUS] Prevent overflow of the AudioGroups array. CORE-14153 CORE-15465

[reactos.git] / drivers / wdm / audio / hdaudbus / hdaudbus.cpp

diff --git a/drivers/wdm/audio/hdaudbus/hdaudbus.cpp b/drivers/wdm/audio/hdaudbus/hdaudbus.cpp
index 3e1ef9d..aa62a82 100644 (file)
--- a/drivers/wdm/audio/hdaudbus/hdaudbus.cpp
+++ b/drivers/wdm/audio/hdaudbus/hdaudbus.cpp
@@ -63,6 +63,7 @@ HDA_FdoPnp(
         {
             CodecEntry = FDODeviceExtension->Codecs[CodecIndex];
 
+            ASSERT(CodecEntry->AudioGroupCount <= HDA_MAX_AUDIO_GROUPS);
             for (AFGIndex = 0; AFGIndex < CodecEntry->AudioGroupCount; AFGIndex++)
             {
                 ChildDeviceExtension = static_cast<PHDA_PDO_DEVICE_EXTENSION>(CodecEntry->AudioGroups[AFGIndex]->ChildPDO->DeviceExtension);