compiz crashed with SIGSEGV in g_object_unref() from unity::dash::Settings::~Settings() from unity::UnityScreen::~UnityScreen()

StacktraceTop:
 _int_malloc (av=0x7f7a5c550720, bytes=513) at malloc.c:3598
 _int_realloc (av=0x7f7a5c550720, oldp=0x2688be0, oldsize=272, nb=<optimized out>) at malloc.c:4370
 __GI___libc_realloc (oldmem=0x2688bf0, bytes=512) at malloc.c:3060
 g_realloc (mem=<optimized out>, n_bytes=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmem.c:224
 array_resize (ostream=<optimized out>, size=512, allow_partial=1, error=0x0) at /build/buildd/glib2.0-2.32.0/./gio/gmemoryoutputstream.c:501

Hello maxstevens, or anyone else affected,

Accepted unity into precise-proposed. The package will build now and be available in a few hours. Please test and give feedback here. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance!

This bug was fixed in the package unity - 5.12-0ubuntu1

---------------
unity (5.12-0ubuntu1) precise-proposed; urgency=low

  * New upstream release.
    - Launcher, Alt-Tab - clicking on launcher item or selecting a app in Alt-
      Tab raises all app windows, not just most recently focused (LP: #959339)
    - [heap corruption?] compiz crashed with SIGSEGV in _int_malloc() from
      g_realloc() from ... from g_dbus_connection_send_message_with_reply()
      from g_object_unref() from unity::dash::HomeLens::Impl::~Impl() from
      unity::dash::HomeLens::~HomeLens() (LP: #931201)
    - compiz crashed with SIGSEGV in _int_malloc() from __libc_calloc() from
      XOpenDisplay() from nux::WindowThread::ThreadCtor() (LP: #947844)
    - Regression: Installing apps causes a terrible visual glitch-- have to
      restart X.org. (LP: #981168)
    - Window management - unity doesn't realise when applications bring their
      windows to the front (LP: #802816)
    - Dash - Clicking on the desktop dash border should do nothing, *NOT*
      close the dash (LP: #839472)
    - [FFe, UIFe] HUD - The HUD does not respect launcher icon size settings
      in autohide mode (LP: #921506)
    - compiz crashed with SIGSEGV in g_volume_get_mount() (LP: #918548)
    - multiple instances or double icons of application detected on bamfdaemon
      respawn (LP: #928912)
    - Panel is transparent when Dash is open; no blur no average BG color
      (LP: #965323)
    - Unity crashes with SIGSEGV when hitting debug DBus interface hard
      (LP: #979429)
    - compiz crashed with SIGSEGV in _int_malloc() from g_object_unref() from
      unity::dash::Model<unity::dash::FilterAdaptor>::~Model() (LP: #941750)
    - indicators menu are sometimes cut off at screen edge (LP: #883317)
    - the shortcut keys in workspace section of the shortcut overlay aren't
      translated (LP: #980828)
    - [regression] Dash keeps repainting unnecessarily (LP: #980924)
    - compiz crashed with SIGSEGV in nux::NTextureData::ClearData() from
      nux::NTextureData::~NTextureData() from nux::Texture2D::~Texture2D()
      (LP: #952378)
    - compiz crashed with SIGSEGV in g_object_unref() from
      unity::dash::Settings::~Settings() from
      unity::UnityScreen::~UnityScreen() (LP: #981764)
    - compiz crashed with SIGSEGV in unity::dash::ResultView::~ResultView()
      from unity::dash::ResultViewGrid::~ResultViewGrid() from
      nux::Object::Destroy() from nux::Object::UnReference() (LP: #942286)
    - compiz crashed with SIGSEGV in
      ends_with_iter_select<__gnu_cxx::__normal_iterator<char const*,
      std::basic_string<char> >, char const*, boost::algorithm::is_iequal>()
      from unity::ui::PointerBarrierWrapper::EmitCurrentData() (LP: #983268)
    - Chinese can't be shown completely in dash filter (LP: #984583)
    - [Unity 5.10] compiz crashed with SIGSEGV in
      unity::hud::HudIconTextureSource::ColorForIcon() from
      unity::hud::Icon::Icon() from emit from unity::IconTexture::IconLoaded
      (LP: #983646)
    - [regression] Close button does not close the dash/HUD (LP: #986264)
    - compiz crashed with SIGSEGV in g_volume_eject_with_operation_finish()
      fro...