Changeset 34545 in vbox for trunk/src/VBox

Timestamp:

Dec 1, 2010 8:52:24 AM (14 years ago)

Author:

vboxsync

Message:

Main/NetIf-win: sanity check

File:

• trunk/src/VBox/Main/win/NetIf-win.cpp (modified) (2 diffs)

trunk/src/VBox/Main/win/NetIf-win.cpp

@@ -132 +132 @@
                                 if (!fIPFound)
                                 {
-                                    fIPFound = true;
-                                    ASMBitSetRange(&pInfo->IPNetMask, 0, pPrefix->PrefixLength);
+                                    if (pPrefix->pPrefixLength <= sizeof(pInfo->IPNetMask) * 8)
+                                    {
+                                        fIPFound = true;
+                                        ASMBitSetRange(&pInfo->IPNetMask, 0, pPrefix->PrefixLength);
+                                    }
+                                    else
+                                        Log(("collectNetIfInfo: Unexpected IPv4 prefix length of %d\n",
+                                             pPrefix->pPrefixLength));
                                 }
                                 break;
@@ -139 +145 @@
                                 if (!fIPv6Found)
                                 {
-                                    fIPv6Found = true;
-                                    ASMBitSetRange(&pInfo->IPv6NetMask, 0, pPrefix->PrefixLength);
+                                    if (pPrefix->PrefixLength <= sizeof(pInfo->IPv6NetMask) * 8)
+                                    {
+                                        fIPv6Found = true;
+                                        ASMBitSetRange(&pInfo->IPv6NetMask, 0, pPrefix->PrefixLength);
+                                    }
+                                    else
+                                        Log(("collectNetIfInfo: Unexpected IPv6 prefix length of %d\n",
+                                             pPrefix->PrefixLength));
                                 }
                                 break;