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List:       kdelibs-bugs
Subject:    [Bug 234484] kfile open dialog crashes Qt4 application in exit handler
From:       Frank Reininghaus <frank78ac () googlemail ! com>
Date:       2012-02-02 18:53:12
Message-ID: E1Rt1mS-0008GZ-49 () bugs ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=234484





--- Comment #25 from Frank Reininghaus <frank78ac googlemail com>  2012-02-02 18:53:11 ---
Created an attachment (id=68440)
 --> (http://bugs.kde.org/attachment.cgi?id=68440)
Valgrind trace with Qt 4.8 with full debugging information

The interesting part before the crash is

==26284== Thread 1:
==26284== Invalid read of size 4
==26284==    at 0x4BB781DD: QDBusAdaptorConnector::relaySlot(void**)
(qdbusabstractadaptor.cpp:270)
==26284==    by 0x4BB7854B:
QDBusAdaptorConnector::qt_metacall(QMetaObject::Call, int, void**)
(qdbusabstractadaptor.cpp:366)
==26284==    by 0x1BE98052: QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) (qmetaobject.cpp:245)
==26284==    by 0x1BEAE402: QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (qobject.cpp:3566)
==26284==    by 0x1BEAFF46: QObject::destroyed(QObject*) (moc_qobject.cpp:149)
==26284==    by 0x1BEA843D: QObject::~QObject() (qobject.cpp:844)
==26284==    by 0x4A603DCB: KIO::Scheduler::~Scheduler() (scheduler.cpp:777)
==26284==    by 0x4A603DFD: KIO::Scheduler::~Scheduler() (scheduler.cpp:779)
==26284==    by 0x4A608A86: KIO::SchedulerPrivate::~SchedulerPrivate()
(scheduler.cpp:667)
==26284==    by 0x4A603AD9: ._229::destroy() (scheduler.cpp:736)
==26284==    by 0x4A54C320: KCleanUpGlobalStatic::~KCleanUpGlobalStatic()
(kglobal.h:62)
==26284==    by 0x57895A0: __run_exit_handlers (in /lib64/libc-2.11.3.so)
==26284==  Address 0x8 is not stack'd, malloc'd or (recently) free'd
==26284== 
==26284== 
==26284== Process terminating with default action of signal 11 (SIGSEGV)
==26284==  Access not within mapped region at address 0x8
==26284==    at 0x4BB781DD: QDBusAdaptorConnector::relaySlot(void**)
(qdbusabstractadaptor.cpp:270)
==26284==    by 0x4BB7854B:
QDBusAdaptorConnector::qt_metacall(QMetaObject::Call, int, void**)
(qdbusabstractadaptor.cpp:366)
==26284==    by 0x1BE98052: QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) (qmetaobject.cpp:245)
==26284==    by 0x1BEAE402: QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (qobject.cpp:3566)
==26284==    by 0x1BEAFF46: QObject::destroyed(QObject*) (moc_qobject.cpp:149)
==26284==    by 0x1BEA843D: QObject::~QObject() (qobject.cpp:844)
==26284==    by 0x4A603DCB: KIO::Scheduler::~Scheduler() (scheduler.cpp:777)
==26284==    by 0x4A603DFD: KIO::Scheduler::~Scheduler() (scheduler.cpp:779)
==26284==    by 0x4A608A86: KIO::SchedulerPrivate::~SchedulerPrivate()
(scheduler.cpp:667)
==26284==    by 0x4A603AD9: ._229::destroy() (scheduler.cpp:736)
==26284==    by 0x4A54C320: KCleanUpGlobalStatic::~KCleanUpGlobalStatic()
(kglobal.h:62)
==26284==    by 0x57895A0: __run_exit_handlers (in /lib64/libc-2.11.3.so)

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