Changeset 26029 in vbox

Timestamp:

Jan 25, 2010 6:05:32 PM (15 years ago)

Author:

vboxsync

Message:

#4610: virtio-net: fixed handling for port writes beyond the valid range.

File:

• trunk/src/VBox/Devices/Network/DevVirtioNet.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Network/DevVirtioNet.cpp

@@ -346 +346 @@
     {
         Log(("%s vnetGetConfig: Write beyond the config structure is attempted (port=%RTiop cb=%x).\n", INSTANCE(pState), port, cb));
-        return VERR_INTERNAL_ERROR;
+        if (port < sizeof(struct VNetPCIConfig))
+            memcpy(((uint8_t*)&pState->config) + port, data,
+                   sizeof(struct VNetPCIConfig) - port);
+        return VINF_SUCCESS;
     }
     memcpy(((uint8_t*)&pState->config) + port, data, cb);