On 06/20/2012 03:16 PM, kcrisman wrote:
On Wednesday, June 20, 2012 3:40:24 PM UTC-4, Stephen Montgomery-Smith wrote: On 06/20/2012 02:30 PM, kcrisman wrote: > > > On Thursday, April 19, 2012 3:25:44 PM UTC-4, leif wrote: > > On 19 Apr., 05:33, Stephen Montgomery-Smith <step...@missouri.edu> > wrote: > > I think I have found the problem with sympow. It is nothing to do > with > > elliptic curves. It is simply a malloc/free error. > > > > In util.c there is a function free_data, which frees TACKS[0]. > TACKS[0] > > is meant to be allocated in disk.c, but there are circumstances when > > TACKS[0] is not allocated. > > > > See the attached patch. > > > > I am not going to submit it as a trac ticket until I have heard from > > others. In general, how to different OS's react to "free(NULL)"? > > > > I've created http://trac.sagemath.org/sage_trac/ticket/13144 <http://trac.sagemath.org/sage_trac/ticket/13144> for this. > We could just apply it only on FreeBSD, for instance. I had responses from the email you just cited, and so I went ahead and created a ticket here: http://trac.sagemath.org/sage_trac/ticket/12858 <http://trac.sagemath.org/sage_trac/ticket/12858> So your ticket is a duplicate. Hmm, it would have been helpful to have noted that ticket before.
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