[NTOS:CC] CcRosInitializeFileCache: Fix a missing spinlock release

TAN-Gaming · web-flow · commit af4e39385cc2 · 2024-11-25T23:35:48.000+07:00
diff --git a/ntoskrnl/cc/view.c b/ntoskrnl/cc/view.c
@@ -1304,10 +1304,10 @@ CcRosInitializeFileCache (
     SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap;
     if (SharedCacheMap == NULL)
     {
-        Allocated = TRUE;
         SharedCacheMap = ExAllocateFromNPagedLookasideList(&SharedCacheMapLookasideList);
         if (SharedCacheMap == NULL)
         {
+            KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
             return STATUS_INSUFFICIENT_RESOURCES;
         }
         RtlZeroMemory(SharedCacheMap, sizeof(*SharedCacheMap));
@@ -1335,6 +1335,7 @@ CcRosInitializeFileCache (
                                    NULL,
                                    KernelMode);
 
+        Allocated = TRUE;
         FileObject->SectionObjectPointer->SharedCacheMap = SharedCacheMap;
 
         //CcRosTraceCacheMap(SharedCacheMap, TRUE);

Original file line number	Diff line number	Diff line change
`@@ -1304,10 +1304,10 @@ CcRosInitializeFileCache (`
`1304`	`1304`	`SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap;`
`1305`	`1305`	`if (SharedCacheMap == NULL)`
`1306`	`1306`	`{`
`1307`		`- Allocated = TRUE;`
`1308`	`1307`	`SharedCacheMap = ExAllocateFromNPagedLookasideList(&SharedCacheMapLookasideList);`
`1309`	`1308`	`if (SharedCacheMap == NULL)`
`1310`	`1309`	`{`
	`1310`	`+ KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);`
`1311`	`1311`	`return STATUS_INSUFFICIENT_RESOURCES;`
`1312`	`1312`	`}`
`1313`	`1313`	`RtlZeroMemory(SharedCacheMap, sizeof(*SharedCacheMap));`
`@@ -1335,6 +1335,7 @@ CcRosInitializeFileCache (`
`1335`	`1335`	`NULL,`
`1336`	`1336`	`KernelMode);`
`1337`	`1337`
	`1338`	`+ Allocated = TRUE;`
`1338`	`1339`	`FileObject->SectionObjectPointer->SharedCacheMap = SharedCacheMap;`
`1339`	`1340`
`1340`	`1341`	`//CcRosTraceCacheMap(SharedCacheMap, TRUE);`