[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()

Bug Description

SRU testcase

1. install unity from precise-proposed
2. make sure unity does not crash while enabling/disabling a plugin in CCSM

while changing some settings and waiting for them to get committed

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: libnux-2.0-0 2.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5
Uname: Linux 3.2.0-15-generic i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Mon Feb 13 01:20:52 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: compiz
SegvAnalysis:
Segfault happened at: 0x555f49: mov %ecx,0x8(%ebp)
PC (0x00555f49) ok
source "%ecx" ok
destination "0x8(%ebp)" (0x0220000e) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
?? () from /lib/i386-linux-gnu/libc.so.6
?? () from /lib/i386-linux-gnu/libc.so.6
realloc () from /lib/i386-linux-gnu/libc.so.6
?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
g_realloc () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in realloc()
UpgradeStatus: Upgraded to precise on 2011年12月04日 (70 days ago)
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare

StacktraceTop:
_int_malloc (av=0x682440, bytes=513) at malloc.c:3598
_int_realloc (av=0x682440, oldp=0x9bd5008, oldsize=264, nb=520) at malloc.c:4370
__GI___libc_realloc (oldmem=0x9bd5010, bytes=512) at malloc.c:3060
standard_realloc (mem=0x9bd5010, n_bytes=512) at /build/buildd/glib2.0-2.31.16/./glib/gmem.c:92
g_realloc (mem=0x9bd5010, n_bytes=512) at /build/buildd/glib2.0-2.31.16/./glib/gmem.c:224

Status changed to 'Confirmed' because the bug affects multiple users.

Package: libnux-2.0-0 2.8.0-0ubuntu1
ProcCmdline: compiz

Hello Jeroen, 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)
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restart X.org. (LP: #981168)
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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)
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respawn (LP: #928912)
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(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...