[dchapyshev] 72528: [NTOS:EX] - Try to fix CORE-11906 See issue 11906 for more details.

Author: dchapyshev
Date: Wed Aug 31 21:29:40 2016
New Revision: 72528

URL: http://svn.reactos.org/svn/reactos?rev=72528&view=rev
Log:
[NTOS:EX]
- Try to fix CORE-11906
See issue 11906 for more details.

Modified:
    trunk/reactos/ntoskrnl/ex/sysinfo.c

Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ex/sysinfo.c?rev=…
==============================================================================
--- trunk/reactos/ntoskrnl/ex/sysinfo.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ex/sysinfo.c	[iso-8859-1] Wed Aug 31 21:29:40 2016
@@ -1241,41 +1241,64 @@
         /* Enter a critical region */
         KeEnterCriticalRegion();
 
-        /* Set the initial value and loop the entries */
-        Handle.Value = 0;
-        while ((HandleTableEntry = ExpLookupHandleTableEntry(Process->ObjectTable,
Handle)))
-        {
-            /* Validate the entry */
-            if ((HandleTableEntry->Object) &&
-                (HandleTableEntry->NextFreeTableEntry != -2))
+        _SEH2_TRY
+        {
+            /* Set the initial value and loop the entries */
+            Handle.Value = 0;
+            while ((HandleTableEntry = ExpLookupHandleTableEntry(Process->ObjectTable,
Handle)))
             {
-                /* Lock the entry */
-                if (ExpLockHandleTableEntry(Process->ObjectTable, HandleTableEntry))
+                /* Validate the entry */
+                if ((HandleTableEntry->Object) &&
+                    (HandleTableEntry->NextFreeTableEntry != -2))
                 {
-                    POBJECT_HEADER ObjectHeader = ObpGetHandleObject(HandleTableEntry);
-
-                    /* Filling handle information */
-                    HandleInformation->Handles[Index].UniqueProcessId =
(USHORT)(ULONG_PTR) Process->UniqueProcessId;
-                    HandleInformation->Handles[Index].CreatorBackTraceIndex = 0;
-                    HandleInformation->Handles[Index].ObjectTypeIndex = (UCHAR)
ObjectHeader->Type->Index;
-                    HandleInformation->Handles[Index].HandleAttributes =
HandleTableEntry->ObAttributes & OBJ_HANDLE_ATTRIBUTES;
-                    HandleInformation->Handles[Index].HandleValue =
(USHORT)(ULONG_PTR) Handle.GenericHandleOverlay;
-                    HandleInformation->Handles[Index].Object =
&ObjectHeader->Body;
-                    HandleInformation->Handles[Index].GrantedAccess =
HandleTableEntry->GrantedAccess;
-
-                    /* Unlock it */
-                    ExUnlockHandleTableEntry(Process->ObjectTable, HandleTableEntry);
-
-                    ++Index;
+                    /* Lock the entry */
+                    if (ExpLockHandleTableEntry(Process->ObjectTable,
HandleTableEntry))
+                    {
+                        _SEH2_TRY
+                        {
+                            POBJECT_HEADER ObjectHeader =
ObpGetHandleObject(HandleTableEntry);
+
+                            /* Filling handle information */
+                            HandleInformation->Handles[Index].UniqueProcessId =
+                                (USHORT)(ULONG_PTR) Process->UniqueProcessId;
+
+                            HandleInformation->Handles[Index].CreatorBackTraceIndex =
0;
+
+                            HandleInformation->Handles[Index].ObjectTypeIndex =
+                                (UCHAR) ObjectHeader->Type->Index;
+
+                            HandleInformation->Handles[Index].HandleAttributes =
+                                HandleTableEntry->ObAttributes &
OBJ_HANDLE_ATTRIBUTES;
+
+                            HandleInformation->Handles[Index].HandleValue =
+                                (USHORT)(ULONG_PTR) Handle.GenericHandleOverlay;
+
+                            HandleInformation->Handles[Index].Object =
&ObjectHeader->Body;
+
+                            HandleInformation->Handles[Index].GrantedAccess =
+                                HandleTableEntry->GrantedAccess;
+
+                            ++Index;
+                        }
+                        _SEH2_FINALLY
+                        {
+                            /* Unlock it */
+                            ExUnlockHandleTableEntry(Process->ObjectTable,
HandleTableEntry);
+                        }
+                        _SEH2_END;
+                    }
                 }
+
+                /* Go to the next entry */
+                Handle.Value += sizeof(HANDLE);
             }
-
-            /* Go to the next entry */
-            Handle.Value += sizeof(HANDLE);
-        }
-
-        /* Leave the critical region */
-        KeLeaveCriticalRegion();
+        }
+        _SEH2_FINALLY
+        {
+            /* Leave the critical region */
+            KeLeaveCriticalRegion();
+        }
+        _SEH2_END;
 
         Process = PsGetNextProcess(Process);
     }