cursor exceeds the border when tap or select all c

Question

IOS8 has the problem, IOS7 does not. I have a input tag whose content's length is longer then its width.

<input type="text" value="abcdefghijklmnopqrstuvwxyz" />

when tap , the cursor exceeds the right border, see cursor.png.

And when select all the select scroll also exceeds the border. see selectall.png Is anyone else happened the problem.Thanks!