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 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 > > So your ticket is a duplicate.
Hmm, it would have been helpful to have noted that ticket before. Since it wasn't mentioned with FreeBSD, I didn't find it. But I see why you didn't put it in that component now. > > > I think this patch should be applied to all operating systems. I think > it is just a matter of luck that other operating systems were not hit by > this bug. Which is why we want to have Sage build on as many as possible! Great. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
