[Bug 1290287] [NEW] ipython crashed with SIGSEGV in _rl_dispatch_callback()

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Was exploring base64 module, tried to decode "foo" a few times with
different variations, when I came back to the terminal (note it was
running in byobu) I saw the segfault

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: ipython 1.2.1-2
ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
Uname: Linux 3.13.0-16-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Mar 10 11:26:49 2014
ExecutablePath: /usr/bin/ipython
InstallationDate: Installed on 2012-08-17 (569 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/ipython
SegvAnalysis:
 Segfault happened at: 0x7f3188b42209 <_rl_dispatch_callback+9>:	testb  $0x1,(%rdi)
 PC (0x7f3188b42209) ok
 source "$0x1" ok
 destination "(%rdi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: ipython
StacktraceTop:
 _rl_dispatch_callback () from /lib/x86_64-linux-gnu/libreadline.so.6
 rl_callback_read_char () from /lib/x86_64-linux-gnu/libreadline.so.6
 ?? () from /usr/lib/python2.7/lib-dynload/readline.x86_64-linux-gnu.so
 PyOS_Readline ()
 ?? ()
Title: ipython crashed with SIGSEGV in _rl_dispatch_callback()
UpgradeStatus: Upgraded to trusty on 2014-02-08 (29 days ago)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo

** Affects: readline6 (Ubuntu)
     Importance: Medium
         Status: Confirmed


** Tags: amd64 apport-crash trusty
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ipython crashed with SIGSEGV in _rl_dispatch_callback()
https://bugs.launchpad.net/bugs/1290287
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