STINNER Victor added the comment: Python 3.6 got a builtin debugging tool to detect buffer under- and overflow: PYTHONMALLOC=debug
https://docs.python.org/dev/whatsnew/3.6.html#pythonmalloc-environment-variable In most cases, an error in PyObject_Free() is a hint of a buffer overflow. So I close the issue. ---------- nosy: +haypo resolution: -> third party status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue25470> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com