Re: [Bug-gnubg] gnubg overwriting memory

[Jim Segrave]

On Tue 04 Feb 2003 (21:52 -0500), Paul Selick wrote:
> Hi.  Me again, but this time about overwriting memory
> at line 3810 of eval.c
> 
>        memcpy(amCandidates, ml.amMoves, ml.cMoves * sizeof(move));
> 
> 
> I've got Redhat7.2 Linux, which means  __GNUC__  defined at line 3740
> so the space allocated is given by
> 
> move amCandidates[ pec->nSearchCandidates ];
> 
> but in a rollout I tried  (with  nPlies  set to 3) it could never get
> through 100 games without some SEGMENTATION  FAULT, so I printed some
> variables and found that at the time they were:
> 
> nSearchCandidates = 8    and   ml.Moves = 10
> 
> so that memory was getting overwritten at line 3810 causing havoc.
> 
> 
> Note:  I haven't downloaded any later version of  gnubg  since I last
> wrote in November about the sign error in the evaluation of TooGood
> so my version of eval.c might not be up-to-date.
> My apologies if my line numbers don't match the latest version of the
> file.
> 
> Yours sincerely,
> Paul Selick

This problem was fixed around the first week of December. 

-- 
Jim Segrave           address@hidden