[ubuntu-mono] [Bug 1769367] Re: Docky.exe assert failure: free(): invalid pointer

Sat May 5 16:10:47 UTC 2018

*** This bug is a duplicate of bug 1758268 ***
    https://bugs.launchpad.net/bugs/1758268

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1758268, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of private bug 1758268

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1769367

Title:
  Docky.exe assert failure: free(): invalid pointer

Status in docky package in Ubuntu:
  New

Bug description:
  Ubuntu 18.04 LTS (Japanese environment)

  Docky version: 2.2.1.1-1
  Kernel version: 4.15.0.20

  When I use docklet's "Recent Documents" at "Docky", suddenly "Docky"
  will end. (Crash)

  The following URL address was displayed, but it can not be found.
  DuplicateOf
  https://bugs.launchpad.net/bugs/1758268

  Since I can not find known problems in automatic reporting, I reported
  it manually.

  ---

  In the previous time,
  A failure occurred with the following installation method.
  $ sudo apt update
  $ sudo apt install docky

  This has been reported.

  1. I right click on "Recent Documents".
  2. A list of document creation history appears.
  3. I clicked one from the list.
  4. The file opens in the "gedit" application.
  5. After that, we do not accept any input.
  I can not take screenshots.
  6. After a while, the dock suddenly disappeared from the desktop screen.
  7. After a while, the error report screen opened.
  "Application Docky suddenly ended."

  ---

  This time,
  I registered "ppa" and installed "docky".
  Since the version is the same, the same failure occurs.

  This report is about the trouble that occurred at that time.
  I sent it for troubleshooting reference.

  ---

  $ sudo apt --purge remove docky
  $ sudo apt autoremove
  ↓
  dpkg: Warning: During deletion of libmono-security4.0-cil, it could not be deleted because the directory '/usr/lib/mono' is not empty

  dpkg: Warning: During deletion of libmono-security4.0-cil, it could
  not be deleted because the directory '/etc/mono/certstore' is not
  empty

  $ sudo apt-add-repository ppa:docky-core/stable

  Now, since "bionic" is not supported, I corrected it.
  http://ppa.launchpad.net/docky-core/stable/ubuntu bionic main
  ↓
  http://ppa.launchpad.net/docky-core/stable/ubuntu artful main

  $ sudo apt update
  $ sudo apt upgrade
  $ sudo apt install docky
  ↓
  docky is already the latest version (2.2.1.1-1).

  Since the version is the same, the same failure occurs.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: docky 2.2.1.1-1
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  AssertionMessage: free(): invalid pointer
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Sat May  5 19:20:56 2018
  ExecutablePath: /usr/lib/docky/Docky.exe
  ExecutableTimestamp: 1441271557
  InstallationDate: Installed on 2018-05-04 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  InterpreterPath: /usr/bin/mono-sgen
  PackageArchitecture: all
  ProcCmdline: mono /usr/lib/docky/Docky.exe
  ProcCwd: /home/ubn
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=ja_JP.UTF-8
   SHELL=/bin/bash
  Signal: 6
  SourcePackage: docky
  StacktraceTop:
   __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
   __GI_abort () at abort.c:79
   __libc_message (action=action at entry=do_abort, fmt=fmt at entry=0x7f2ec001bb9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
   malloc_printerr (str=str at entry=0x7f2ec0019d88 "free(): invalid pointer") at malloc.c:5350
   _int_free (have_lock=0, p=0x5648a618d790, av=0x7f2ec0250c40 <main_arena>) at malloc.c:4157
  Title: Docky.exe assert failure: free(): invalid pointer
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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