[KMTESTS:MM] Truncate file cache on uninitialize to avoid leaking a reference.

ROSTESTS-266

diff --git a/modules/rostests/kmtests/ntos_mm/NtCreateSection_drv.c b/modules/rostests/kmtests/ntos_mm/NtCreateSection_drv.c
index 5642ea5..45f20b5 100644 (file)
--- a/modules/rostests/kmtests/ntos_mm/NtCreateSection_drv.c
+++ b/modules/rostests/kmtests/ntos_mm/NtCreateSection_drv.c
@@ -416,10 +416,12 @@ TestIrpHandler(
         if (IoStack->FileObject->SectionObjectPointer != NULL &&
             IoStack->FileObject->SectionObjectPointer->SharedCacheMap != NULL)
         {
         if (IoStack->FileObject->SectionObjectPointer != NULL &&
             IoStack->FileObject->SectionObjectPointer->SharedCacheMap != NULL)
         {

+            LARGE_INTEGER Zero = RTL_CONSTANT_LARGE_INTEGER(0LL);
+

             CcFlushCache(&Fcb->SectionObjectPointers, NULL, 0, NULL);
             CcPurgeCacheSection(&Fcb->SectionObjectPointers, NULL, 0, FALSE);
             KeInitializeEvent(&CacheUninitEvent.Event, NotificationEvent, FALSE);
             CcFlushCache(&Fcb->SectionObjectPointers, NULL, 0, NULL);
             CcPurgeCacheSection(&Fcb->SectionObjectPointers, NULL, 0, FALSE);
             KeInitializeEvent(&CacheUninitEvent.Event, NotificationEvent, FALSE);

-            CcUninitializeCacheMap(IoStack->FileObject, NULL, &CacheUninitEvent);
+            CcUninitializeCacheMap(IoStack->FileObject, &Zero, &CacheUninitEvent);

             KeWaitForSingleObject(&CacheUninitEvent.Event, Executive, KernelMode, FALSE, NULL);
         }
         ExFreePoolWithTag(Fcb, 'FwrI');
             KeWaitForSingleObject(&CacheUninitEvent.Event, Executive, KernelMode, FALSE, NULL);
         }
         ExFreePoolWithTag(Fcb, 'FwrI');