William Bowling added the comment: Also a very similar source causes a slightly different crash (heap-buffer-overflow instead of heap-use-after-free):
./python -c 'with open("vuln2.py", "wb") as f: f.write(b"\x61\x73\x00\x0a\x79\x6e\x63\x5c\x0a\x00\x0d\xdd")' ./python vuln2.py Python 3.5.1+ (default, Jan 4 2016, 00:05:40) Attached the asan report ---------- Added file: http://bugs.python.org/file41487/asan2.txt _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue26000> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com