In the begin at the blog, look at this picture, it was fuzzing with readelf ( one of binutils )
And nothing was found …
Now, let follow this steps, until you can fuzz it by yourself.
So, may be you already know about this tricks. yes , right. you can just compile it with afl-gcc or afl-g++、afl-calng when you got the source code. And generate lots data to feed it to afl-fuzz
In this situation, you should able to fuzzing with many program.