idle-python2.7 crashed with SIGSEGV in __find_specmb()

[Daniel Jose]

Here's the second failure that I was able to reproduce.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: idle-python2.7 2.7.3~rc1-1ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sat Mar 17 06:59:25 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/idle-python2.7
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.7 /usr/bin/idle-python2.7 -n
ProcEnviron:
 LANGUAGE=en_CA:en
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fba7b9a571b <vfprintf+155>: callq 0x7fba7b9eea20 <strchrnul>
 PC (0x7fba7b9a571b) ok
 source "0x7fba7b9eea20" (0x7fba7b9eea20) ok
 destination "(%rsp)" (0x7fff28974f90) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: python2.7
StacktraceTop:
 g_type_get_qdata () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
Title: idle-python2.7 crashed with SIGSEGV in g_type_get_qdata()
UpgradeStatus: Upgraded to precise on 2012-03-15 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 __find_specmb (format=0x7fba74d0da0a <Address 0x7fba74d0da0a out of bounds>) at printf-parse.h:99
 _IO_vfprintf_internal (s=0x7fff289755d0, format=0x7fba74d0da0a <Address 0x7fba74d0da0a out of bounds>, ap=0x7fff28975768) at vfprintf.c:1326
 __GI___vasprintf_chk (result_ptr=0x7fff28975718, flags=1, format=0x7fba74d0da0a <Address 0x7fba74d0da0a out of bounds>, args=0x7fff28975768) at vasprintf_chk.c:68
 ?? ()
 ?? ()