QImage crash when reading some bmp files

#include <QtCore>
#include <QtGui>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QString const prefix   = "C:/Qt/crash_pictures/";
    QStringList name;
    name << "rgb32-111110.bmp" << "rgb32bf.bmp" << "rgba32.bmp"；        
 
    for(int i = 0; i != name.size(); ++i){
        qDebug() << name[i];
        QImage read(prefix + name[i]); //crash at here
        qDebug() << read.isNull(); //can't reach this line
        qDebug() << read.format();
    }

    QLabel label;
    label.show();
   
    return a.exex();
}