-fno-stack-protector does a number of things that interfere with "standard" smashing of the stack, You'll learn a lot if you keep stack protections in place!
Also, be sure to turn off Write^Execute memory pages and ASLR as another commenter has suggested.
Alternatively, you could try your hand at defeating these protection mechanisms yourself with a number of (relatively) newfangled techniques.
Comments
-fno-stack-protector does a number of things that interfere with "standard" smashing of the stack, You'll learn a lot if you keep stack protections in place!
Also, be sure to turn off Write^Execute memory pages and ASLR as another commenter has suggested.
Alternatively, you could try your hand at defeating these protection mechanisms yourself with a number of (relatively) newfangled techniques.
JITSpray - http://dsecrg.com/pages/pub/show.php?id=22 ROP - http://cseweb.ucsd.edu/~hovav/talks/blackhat08.html
and more!