[Bug 655154] Re: unattended-upgrade crashed with SIGSEGV in PyString_FromFormatV()

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/maverick-proposed/python-apt

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https://bugs.launchpad.net/bugs/655154

Title:
  unattended-upgrade crashed with SIGSEGV in PyString_FromFormatV()

Status in Unattended upgrades:
  Invalid
Status in “python-apt” package in Ubuntu:
  Fix Released
Status in “python-apt” source package in Maverick:
  Fix Committed

Bug description:
  regression test with unattended-upgrades should be fine I don't know a way to reliable
  trigger the bug

  TEST CASE:
  1. install maverick on i386
  2. install python-apt from maverick-proposed
  2. run unattended-upgrades -d
  3. verify that it works and upgrades a bunch of packages

  Binary package hint: unattended-upgrades

  Everytime I start Ubuntu I have this bug
  Ubuntu10.10 MMaverick
  0.62.1 Ubuntu1 package
  i have no idea what kind of problem is it, I report just because there is an alarm on desktop everytime I log on.
  Paolo

  ProblemType: Crash
  DistroRelease: Ubuntu 10.10
  Package: unattended-upgrades 0.62ubuntu1
  ProcVersionSignature: Ubuntu 2.6.35-22.33-generic-pae 2.6.35.4
  Uname: Linux 2.6.35-22-generic-pae i686
  Architecture: i386
  Date: Sat Oct  2 09:28:52 2010
  ExecutablePath: /usr/bin/unattended-upgrade
  InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Release i386 (20100429)
  InterpreterPath: /usr/bin/python2.6
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/unattended-upgrade
  ProcEnviron:
   PATH=(custom, no user)
   SHELL=/bin/sh
  SegvAnalysis:
   Segfault happened at: 0xb7477770:	pcmpeqb (%esi),%xmm0
   PC (0xb7477770) ok
   source "(%esi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%xmm0" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unattended-upgrades
  StacktraceTop:
   ?? () from /lib/libc.so.6
   PyString_FromFormatV ()
   PyString_FromFormat ()
   ?? () from /usr/lib/python2.6/dist-packages/apt_pkg.so
   _PyObject_Str ()
  Title: unattended-upgrade crashed with SIGSEGV in PyString_FromFormatV()
  UserGroups: