Changeset 104159 in vbox for trunk/src/VBox/HostDrivers/VBoxNetFlt/win

Timestamp:

Apr 4, 2024 3:35:39 PM (10 months ago)

Author:

vboxsync

Message:

VBoxNetFlt: Fix UBSAN warnings by switching to flexible arrays, bugref:10585.

File:

• trunk/src/VBox/HostDrivers/VBoxNetFlt/win/drv/VBoxNetFltRt-win.cpp (modified) (1 diff)

trunk/src/VBox/HostDrivers/VBoxNetFlt/win/drv/VBoxNetFltRt-win.cpp

@@ -1142 +1142 @@
      * 2. buffer of cbPacket containing the entire packet */
     AssertCompileSizeAlignment(INTNETSG, sizeof(PVOID));
-    Status = vboxNetFltWinMemAlloc((PVOID*)&pSG, cbPacket + sizeof(INTNETSG));
+    Status = vboxNetFltWinMemAlloc((PVOID*)&pSG, cbPacket + RT_UOFFSETOF_DYN(INTNETSG, aSegs[1]));
     if (Status == NDIS_STATUS_SUCCESS)
     {