1997-11-14 - Re: smaller f00f.c

Header Data

From: Michael Stutz <stutz@dsl.org>
To: Adam Back <aba@dcs.ex.ac.uk>
Message Hash: c9414d047ce89b4ae484fccadd60d8d402b6eb951400e1c40b4c4b0ca6f42b94
Message ID: <Pine.LNX.3.95.971114120723.4898B-100000@devel.nacs.net>
Reply To: <199711141623.QAA03067@server.test.net>
UTC Datetime: 1997-11-14 17:26:49 UTC
Raw Date: Sat, 15 Nov 1997 01:26:49 +0800

Raw message

From: Michael Stutz <stutz@dsl.org>
Date: Sat, 15 Nov 1997 01:26:49 +0800
To: Adam Back <aba@dcs.ex.ac.uk>
Subject: Re: smaller f00f.c
In-Reply-To: <199711141623.QAA03067@server.test.net>
Message-ID: <Pine.LNX.3.95.971114120723.4898B-100000@devel.nacs.net>
MIME-Version: 1.0
Content-Type: text/plain



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 */
> 
> Compiled with gcc.


How about:

long main[]={0xc8c70ff0};

or even

main[]={0xc8c70ff0}; /* 21 chars */

Compiles with gcc, but I haven't tested it.

Thread

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• 1997-11-10 (Mon, 10 Nov 1997 13:53:55 +0800) - No Subject - Anonymous <anon@anon.efga.org>
  • 1997-11-14 (Sat, 15 Nov 1997 00:39:01 +0800) - smaller f00f.c - Adam Back <aba@dcs.ex.ac.uk>
    • 1997-11-14 (Sat, 15 Nov 1997 01:26:49 +0800) - Re: smaller f00f.c - Michael Stutz <stutz@dsl.org>
      • 1997-11-14 (Sat, 15 Nov 1997 02:13:14 +0800) - Re: smaller f00f.c - Jeff Barber <jeffb@issl.atl.hp.com>
        • 1997-11-14 (Sat, 15 Nov 1997 02:28:08 +0800) - Re: smaller f00f.c - Michael Stutz <stutz@dsl.org>
        • 1997-11-14 (Sat, 15 Nov 1997 05:31:07 +0800) - Re: smaller f00f.c - Bryce <bryce@digicash.com>
    • 1997-11-15 (Sat, 15 Nov 1997 13:05:34 +0800) - Re: smaller f00f.c - ichudov@algebra.com (Igor Chudov @ home)