[tkreuzer] 55575: [RTL] Add missing parameter checks to RtlAreBitsClear and RtlAreBitsSet

Author: tkreuzer
Date: Mon Feb 13 14:35:26 2012
New Revision: 55575

URL: http://svn.reactos.org/svn/reactos?rev=55575&view=rev
Log:
[RTL]
Add missing parameter checks to RtlAreBitsClear and RtlAreBitsSet

Modified:
    trunk/reactos/lib/rtl/bitmap.c

Modified: trunk/reactos/lib/rtl/bitmap.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/bitmap.c?rev=55575…
==============================================================================
--- trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] (original)
+++ trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] Mon Feb 13 14:35:26 2012
@@ -365,6 +365,11 @@
     IN ULONG StartingIndex,
     IN ULONG Length)
 {
+    /* Verify parameters */
+    if ((StartingIndex + Length > BitMapHeader->SizeOfBitMap) ||
+        (StartingIndex + Length <= StartingIndex))
+        return FALSE;
+
     return RtlpGetLengthOfRunClear(BitMapHeader, StartingIndex, Length) >= Length;
 }
 
@@ -375,6 +380,11 @@
     IN ULONG StartingIndex,
     IN ULONG Length)
 {
+    /* Verify parameters */
+    if ((StartingIndex + Length > BitMapHeader->SizeOfBitMap) ||
+        (StartingIndex + Length <= StartingIndex))
+        return FALSE;
+
     return RtlpGetLengthOfRunSet(BitMapHeader, StartingIndex, Length) >= Length;
 }