ktp-contactlist crashed with SIGSEGV in QSortFilterProxyModelPrivate::source_to_proxy()

[cidig]

Didn't notice when this happened. The notification in tray is all I saw.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: kde-telepathy-contact-list 0.3.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic-pae 3.2.9
Uname: Linux 3.2.0-18-generic-pae i686
NonfreeKernelModules: nvidia wl
ApportVersion: 1.94.1-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Fri Mar 9 20:43:28 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/ktp-contactlist
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120228.1)
ProcCmdline: /usr/bin/ktp-contactlist
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb626780f <QSortFilterProxyModelPrivate::source_to_proxy(QModelIndex const&) const+15>: call 0xb5c0b137 <__i686.get_pc_thunk.bx>
 PC (0xb626780f) ok
 source "0xb5c0b137" (0xb5c0b137) ok
 Stack memory exhausted (SP below stack segment)
 SP (0xbf60aff0) not located in a known VMA region (needed readable region)!
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: ktp-contact-list
StacktraceTop:
 QSortFilterProxyModelPrivate::source_to_proxy (this=0xbf60b0a0, source_index=...) at itemviews/qsortfilterproxymodel.cpp:378
 QSortFilterProxyModel::mapFromSource (this=0x933c0c0, sourceIndex=...) at itemviews/qsortfilterproxymodel.cpp:2514
 QSortFilterProxyModel::parent (this=0x933c0c0, child=...) at itemviews/qsortfilterproxymodel.cpp:1660
 parent (this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qabstractitemmodel.h:393
 QTreeViewPrivate::itemDecorationRect (this=0x9334368, index=...) at itemviews/qtreeview.cpp:3575
Title: ktp-contactlist crashed with SIGSEGV in QSortFilterProxyModelPrivate::source_to_proxy()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 QSortFilterProxyModelPrivate::source_to_proxy (this=0xbf60b0a0, source_index=...) at itemviews/qsortfilterproxymodel.cpp:378
 QSortFilterProxyModel::mapFromSource (this=0x933c0c0, sourceIndex=...) at itemviews/qsortfilterproxymodel.cpp:2514
 QSortFilterProxyModel::parent (this=0x933c0c0, child=...) at itemviews/qsortfilterproxymodel.cpp:1660
 parent (this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qabstractitemmodel.h:393
 QTreeViewPrivate::itemDecorationRect (this=0x9334368, index=...) at itemviews/qtreeview.cpp:3575