Changeset 62153 in vbox for trunk

Timestamp:

Jul 11, 2016 10:28:21 AM (9 years ago)

Author:

vboxsync

Message:

Storage/VDI: Fix possible integer underflow when calculating the overlap between the increased block allocation table and the start offset when resizing an image. Resizing a disk exhausted the complete host disk before

File:

• trunk/src/VBox/Storage/VDI.cpp (modified) (1 diff)

trunk/src/VBox/Storage/VDI.cpp

@@ -2638 +2638 @@
         uint64_t offStartDataNew = RT_ALIGN_32(pImage->offStartBlocks + cbBlockspaceNew, VDI_DATA_ALIGN); /** < New start offset for block data after the resize */
 
-        if (   pImage->offStartData != offStartDataNew
+        if (   pImage->offStartData < offStartDataNew
             && cBlocksAllocated > 0)
         {