Hi Marco, I don't see that one, do I need to add a special download site? Thanks!
On Wednesday, June 24, 2020, 11:21:59 AM PDT, Marco Atzeri <marco.atz...@gmail.com> wrote: On 24.06.2020 12:24, Ken Brown via Cygwin wrote: > On 6/24/2020 1:30 AM, Marco Atzeri via Cygwin wrote: >> On 23.06.2020 23:02, Marco Atzeri wrote: >>> On 23.06.2020 22:56, Ken Brown via Cygwin wrote: >>>> >>>> I think I've found the problem, although it will take patching and >>>> rebuilding ImageMagick (which I haven't done) to confirm that I'm >>>> right. >>>> >>>> In the ImageMagick source file coders/ps.c:237, there's a call to >>>> ghost_info->new_instance, a.k.a. gsapi_new_instance (see line 214). >>>> The documentation of the latter in the ghostscript sources >>>> (psi/iapi.c:57) says that the first argument pinstance should >>>> satisfy *pinstance == NULL in the first call to that function. >>>> >>>> But *pinstance in this call is the variable 'interpreter', defined >>>> without initialization in ps.c:191. As a result, **pinstance >>>> contains garbage, and the program eventually crashes when it tries >>>> to dereference a garbage pointer. >>>> >>>> The fix, if I'm right, is to initialize interpreter to NULL in >>>> ps.c:191. >>>> >>>> Ken >>> >>> Noted. >>> >>> Regards >>> MArco >>> >> >> a test ImageMagick-6.9.10.11-3 is going up. >> Let me know if it solves the problem > > That fixes it for my .eps file. I didn't think of it before, but a > similar patch to coders/pdf.c:201 will be needed for .pdf files. I > won't be able to test that because I haven't found a .pdf file that > exhibits the problem. > > Ken > test version 6.9.10.11-4 is going up. If Emily tests with her pdf files, it will be nice Regards Marco -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
