Bug#954901: ghostscript: runtime error: malloc(): invalid size (unsorted)

Sorry, the file I attached in message #10 was for a different bug, unrelated to this one. Created upstream bug: https://bugs.ghostscript.com/show_bug.cgi?id=702346

Bug#954901: ghostscript: runtime error: malloc(): invalid size (unsorted)

Dear Maintainer, I tried to collect some more information and might have found something. The allocator aborts at the backtrace below. A valgrind run points to the same function txt_add_fragment. There is seems that in line 2121 the allocation takes place with 12 bytes total, then a memset is