Unexpected Behavior, output changes depending on input length: request for help

<p>Here is a reproduction: <a href="https://play.golang.org/p/_rVEZdfEXB" rel="nofollow">https://play.golang.org/p/_rVEZdfEXB</a> Summary: if parsing [][]byte, it the slice is 185 elements, it works. If it is 186 elements, the output changes. WAT?</p> <hr/>**评论：**<br/><br/>sethammons: <pre><p>Help from a couple of smart guys at work, thanks Kevin and Vasko!: <a href="https://play.golang.org/p/p17ZApwz4A" rel="nofollow">https://play.golang.org/p/p17ZApwz4A</a></p> <p>From <a href="https://golang.org/pkg/bufio/#Scanner.Bytes:" rel="nofollow">https://golang.org/pkg/bufio/#Scanner.Bytes:</a> &#34;The underlying array may point to data that will be overwritten by a subsequent call to Scan&#34;</p></pre>