I can confirm the steps to reproduce: editing a previous command line, then submitting a different one, will reliably crash bash, or python, or rlfe, or anything else using readline.
- Josh Triplett -- System Information: Debian Release: jessie/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 3.14-2-amd64 (SMP w/4 CPU cores) Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages bash depends on: ii base-files 7.5 ii dash 0.5.7-4 ii debianutils 4.4 ii libc6 2.19-7 ii libtinfo5 5.9+20140712-2 Versions of packages bash recommends: ii bash-completion 1:2.1-4 Versions of packages bash suggests: pn bash-doc <none> -- no debconf information -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

