CSHARP-5136: Coverity analysis defect 127492: Unintentional integer overflow (#1362)

sanych-sun · web-flow · commit ca588b480bbe · 2024-06-18T14:13:37.000-07:00
diff --git a/src/MongoDB.Driver.GridFS/GridFSForwardOnlyDownloadStream.cs b/src/MongoDB.Driver.GridFS/GridFSForwardOnlyDownloadStream.cs
@@ -274,7 +274,7 @@ private void ProcessNextBatch(List<BsonDocument> batch)
 
             if (previousBatch != null)
             {
-                _batchPosition += previousBatch.Count * FileInfo.ChunkSizeBytes; ;
+                _batchPosition += (long)previousBatch.Count * FileInfo.ChunkSizeBytes;
             }
 
             var lastChunkInBatch = _batch.Last();

Original file line number	Diff line number	Diff line change
`@@ -274,7 +274,7 @@ private void ProcessNextBatch(List<BsonDocument> batch)`
`274`	`274`
`275`	`275`	`if (previousBatch != null)`
`276`	`276`	`{`
`277`		`- _batchPosition += previousBatch.Count * FileInfo.ChunkSizeBytes; ;`
	`277`	`+ _batchPosition += (long)previousBatch.Count * FileInfo.ChunkSizeBytes;`
`278`	`278`	`}`
`279`	`279`
`280`	`280`	`var lastChunkInBatch = _batch.Last();`