[tfaber] 74599: [RTL] - Do not change RTL_HANDLE_TABLE::CommittedHandles when committing a new page of handle entries. This value must always point to the beginning of the allocation, to correctly ...

Author: tfaber
Date: Fri May 19 18:22:46 2017
New Revision: 74599

URL: http://svn.reactos.org/svn/reactos?rev=74599&view=rev
Log:
[RTL]
- Do not change RTL_HANDLE_TABLE::CommittedHandles when committing a new page of handle entries. This value must always point to the beginning of the allocation, to correctly track the entire committed range. Fixes LibreOffice Writer (and ntdll_apitest) crash.
CORE-13271 #resolve

Modified:
    trunk/reactos/sdk/lib/rtl/handle.c

Modified: trunk/reactos/sdk/lib/rtl/handle.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/sdk/lib/rtl/handle.c?rev=74...
==============================================================================
--- trunk/reactos/sdk/lib/rtl/handle.c	[iso-8859-1] (original)
+++ trunk/reactos/sdk/lib/rtl/handle.c	[iso-8859-1] Fri May 19 18:22:46 2017
@@ -89,6 +89,7 @@
                 return NULL;

/* Update handle array pointers */
+            HandleTable->CommittedHandles = (PRTL_HANDLE_TABLE_ENTRY)ArrayPointer;
             HandleTable->UnCommittedHandles = (PRTL_HANDLE_TABLE_ENTRY)ArrayPointer;
             HandleTable->MaxReservedHandles = (PRTL_HANDLE_TABLE_ENTRY)((ULONG_PTR)ArrayPointer + ArraySize);
         }
@@ -107,7 +108,6 @@

/* Update handle array pointers */
         HandleTable->FreeHandles = (PRTL_HANDLE_TABLE_ENTRY)ArrayPointer;
-        HandleTable->CommittedHandles = (PRTL_HANDLE_TABLE_ENTRY)ArrayPointer;
         HandleTable->UnCommittedHandles = (PRTL_HANDLE_TABLE_ENTRY)((ULONG_PTR)ArrayPointer + ArraySize);

/* Calculate the number of entries we can store in the array */