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[Launchpad Bug Tracker <1562333@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package iptstate - 2.2.5-1ubuntu0.1

---------------
iptstate (2.2.5-1ubuntu0.1) xenial; urgency=medium

  * d/p/0001-Move-to-dyanmic-memory-for-state-entries.patch,
    d/p/0002-Fix-crashing-bug-on-DstIP-sort.patch: fix a crash on the first
    UI refresh making iptstate unusuable (LP: #1562333).

 -- Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx>  Tue, 12 Sep
2017 08:15:46 +0200

** Changed in: iptstate (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1562333

Title:
  iptstate assert failure: *** Error in `iptstate': munmap_chunk():
  invalid pointer: 0x000000000193c990 ***

Status in iptstate package in Ubuntu:
  Fix Released
Status in iptstate source package in Xenial:
  Fix Released

Bug description:
  [Impact]

   * Crash due to newer compiler exposing issues in old code

   * Fix by backporting upstream fix

  [Test Case]

   * run the tool
     $ iptstate

     while there are cases this works (accidentially) in most of the cases 
     I tried it crashes with a segfault as reported. If you happen to be  
     "lucky" and have it working - I realized (for whatever reason) that if 
     it works once it continues to work. In that case just take a new xenial 
     container or VM and it will very likely fail there

   * Installing the upgrade fixes the issue

  [Regression Potential]

   * It is a (minor) rework of some sorts which normally would make one 
     suspicious, but since without it the package is 0% usable it can't be 
     much of a regression - sorry for this trivialization, but I think this 
     is what applies to this case.

   * OTOH while it failed for me at the first try I realized that you can 
     get (?somehow?) into a mode where it seems to work for a while.
     If now statistically my systems are odd (4/6 I tried failed) and "in 
     the wild" most users would be unaffected, then this could be an issue 
     for them if the rework causes other issues we don't know about.

  
  [Other Info]
   
   * n/a

  ---

  This is an automatic bug report.

  Steps to reproduce:

  just install and run.

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: iptstate 2.2.5-1build1
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  Uname: Linux 4.4.0-16-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AssertionMessage: *** Error in `iptstate': munmap_chunk(): invalid pointer: 0x000000000193c990 ***
  Date: Sat Mar 26 22:30:25 2016
  ExecutablePath: /usr/sbin/iptstate
  InstallationDate: Installed on 2015-08-05 (233 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcCmdline: iptstate
  ProcEnviron:
   TERM=screen
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=ru_RU.UTF-8
   LANGUAGE=ru
  Signal: 6
  SourcePackage: iptstate
  StacktraceTop:
   __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f479d8c2fb8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
   malloc_printerr (ar_ptr=0x0, ptr=<optimized out>, str=0x7f479d8c2fe0 "munmap_chunk(): invalid pointer", action=<optimized out>) at malloc.c:5007
   munmap_chunk (p=<optimized out>) at malloc.c:2843
   __GI___libc_free (mem=<optimized out>) at malloc.c:2964
   ?? ()
  Title: iptstate assert failure: *** Error in `iptstate': munmap_chunk(): invalid pointer: 0x000000000193c990 ***
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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