Re: calc.c, from jwa's sendmail exploit script

Ben Jackson (bj@lv426.cc.purdue.edu)
Sun, 27 Mar 1994 16:29:54 -0500

In message <199403272021.PAA25783@Collatz.McRCIM.McGill.EDU>,
der Mouse <mouse@collatz.mcrcim.mcgill.edu> wrote:
> 
> ObBugQ: Anyone know just what the SPARC integer divide bug is?  I've
> got copies of the relevant kernel .o files both before and after the
> patch, but haven't gotten around to disassembling and uncompiling
> enough to figure out what's wrong yet.

Isn't this an old one?  I believe the problem is that the first few
instructions (?) of the SIGFPE handler run with the processor still
in supervisor mode.  Exploting that is left as an exercise for the
reader.

--Ben