It's fundamentally the same issue as iOS8. Most of that bug report is relating to the upload itself not working or behaving oddly; what you're seeing is likely what happens after the server times out waiting for the browser to send more data.
It's fundamentally the same issue as iOS8. Most of that bug report is relating to the upload itself not working or behaving oddly; what you're seeing is likely what happens after the server times out waiting for the browser to send more data.