Re: bug in simplify_shallow
Karim Belabas <[email protected]>
| Newsgroups | gmane.comp.mathematics.pari.devel |
|---|---|
| Message-ID | <[email protected]> |
* Ruud H.G. van Tol [2023-08-21 13:07]:
>
> ? b8(d)=for(i=1,#d,d[i]=fromdigits(digits(d[i],8))); strjoin(d,"9");
>
> ? b8([5])
> Â ***Â Â bug in simplify_shallow, type unknown, please report.
>
> -- Ruud
>
> Works OK:
> ? b8e(d)=for(i=1,#d,d[i]=fromdigits(digits(d[i],8))); eval(strjoin(d,"9"));
Thanks for your report !
A memory corruption in strjoin in a corner case (input has a single
argument, which is not a character string). We ended up returning freed
memory (more precisely pointer to stack data which is going to be
overwritten).
Fixed in master.
Cheers,
K.B.
--
Pr. Karim Belabas, U. Bordeaux, Vice-président en charge du Numérique
Institut de Mathématiques de Bordeaux UMR 5251 - (+33) 05 40 00 29 77
http://www.math.u-bordeaux.fr/~kbelabas/