[ros-diffs] [tfaber] 58247: [NTOSKRNL:MM] - Validate virtual address range on pool free CORE-6929 CORE-6712 #resolve

Author: tfaber
Date: Mon Jan 28 18:58:55 2013
New Revision: 58247

URL: http://svn.reactos.org/svn/reactos?rev=58247&view=rev
Log:
[NTOSKRNL:MM]
- Validate virtual address range on pool free
CORE-6929
CORE-6712 #resolve

Modified:
    trunk/reactos/ntoskrnl/mm/ARM3/pool.c

Modified: trunk/reactos/ntoskrnl/mm/ARM3/pool.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/pool.c?re…
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/pool.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/pool.c [iso-8859-1] Mon Jan 28 18:58:55 2013
@@ -408,8 +408,11 @@
     //
     // Use a simple bounds check
     //
-    return (PoolAddress >= MmPagedPoolStart) && (PoolAddress <=
MmPagedPoolEnd) ?
-            PagedPool : NonPagedPool;
+    if (PoolAddress >= MmPagedPoolStart && PoolAddress <= MmPagedPoolEnd)
+        return PagedPool;
+    else if (PoolAddress >= MmNonPagedPoolStart && PoolAddress <=
MmNonPagedPoolEnd)
+        return NonPagedPool;
+    KeBugCheckEx(BAD_POOL_CALLER, 0x42, (ULONG_PTR)PoolAddress, 0, 0);
 }
 
 PVOID