Bugtraq mailing list archives

Cute SPARC CPU bug

From: mycroft () MIT EDU (Charles M. Hannum)
Date: Fri, 24 Oct 1997 13:42:32 -0400


Compile the following:

main(){while(1);}

with `gcc -O' on a SPARC.  You get, roughly:

L1:
        b,a L1
        retl

Run it on a SS5/170.  Notice the machine is completely wedged.
Power-cycle it.

Current thread:

ISS Security Alert X-Force (Oct 22)
- Re: ISS Security Alert Aleph One (Oct 22)
- BSDI termcap exploit Joseph_K (Oct 22)
- Possible SERIOUS bug in open()? Aleph One (Oct 23)
- Cute SPARC CPU bug Charles M. Hannum (Oct 24)
  - Re: Cute SPARC CPU bug Dmitry Kohmanyuk Дмитрий Кохманюк (Oct 24)
  - More info on SPARC CPU bug Charles M. Hannum (Oct 24)
- <Possible follow-ups>
- Re: ISS Security Alert David LeBlanc (Oct 23)