[Digikam-devel] [Bug 268356] New: 0-pointer access if mysql-db is not working correctly

Ian Hubbertz kde_bugs at hubbertz.de
Sun Mar 13 09:35:14 GMT 2011 

https://bugs.kde.org/show_bug.cgi?id=268356

           Summary: 0-pointer access if mysql-db is not working correctly
           Product: digikam
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: kde_bugs at hubbertz.de


Application: digikam (2.0.0-beta3)
KDE Platform Version: 4.6.1 (4.6.1) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.37-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:

Configured the mysql connection: 

1. mysql connection where incorrect (db was missing)
2. created the DB, but no tables or access right with mysqladmin
3. clicked "check database connection" in digikam
4. closed the window

--> error: cannot create table (because of missing access rights)

--> crash (see backtrace)

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fef4d2e2980 (LWP 21525))]

Thread 4 (Thread 0x7fef2affa700 (LWP 21526)):
#0  0x00007fef4482164c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007fef44aade33 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4
#2  0x00000000005e725e in Digikam::ScanController::run (this=0xc8acd0) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/digikam/database/scancontroller.cpp:602
#3  0x00007fef44aad7c5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fef32fcbae3 in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#5  0x00007fef4481cd6c in start_thread () from /lib/libpthread.so.0
#6  0x00007fef4384240d in clone () from /lib/libc.so.6

Thread 3 (Thread 0x7fef2a7f9700 (LWP 21527)):
#0  0x00007fef44820944 in __pthread_mutex_unlock_usercnt () from
/lib/libpthread.so.0
#1  0x00007fef3f0bc991 in g_main_context_prepare () from
/usr/lib/libglib-2.0.so.0
#2  0x00007fef3f0bcdf2 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007fef3f0bd3c2 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007fef44bc0d76 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#5  0x00007fef44b95012 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#6  0x00007fef44b95294 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#7  0x00007fef44aaaf64 in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00007fef44b76c60 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007fef44aad7c5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007fef32fcbae3 in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#11 0x00007fef4481cd6c in start_thread () from /lib/libpthread.so.0
#12 0x00007fef4384240d in clone () from /lib/libc.so.6

Thread 2 (Thread 0x7fef29ff8700 (LWP 21541)):
#0  0x00007fef4482164c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x00007fef44aade33 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4
#2  0x00007fef49c70427 in Digikam::ParkingThread::run (this=0xec9060) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/libs/threads/threadmanager.cpp:119
#3  0x00007fef44aad7c5 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fef32fcbae3 in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#5  0x00007fef4481cd6c in start_thread () from /lib/libpthread.so.0
#6  0x00007fef4384240d in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7fef4d2e2980 (LWP 21525)):
[KCrash Handler]
#6  0x00000000005a9638 in Digikam::Album::lastChild (this=0x0) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/digikam/album/album.cpp:102
#7  0x00000000005c11ce in Digikam::AlbumManager::slotDatesJobData
(this=0xd06920, data=...) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/digikam/album/albummanager.cpp:3218
#8  0x00000000005b0333 in Digikam::AlbumManager::qt_metacall (this=0xd06920,
_c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x7fff7c4c0a20) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/digikam/albummanager.moc:193
#9  0x00007fef44baa59f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007fef47501054 in KIO::TransferJob::data(KIO::Job*, QByteArray const&)
() from /usr/lib/libkio.so.5
#11 0x00007fef475010a9 in KIO::TransferJob::slotData(QByteArray const&) () from
/usr/lib/libkio.so.5
#12 0x00007fef475088fe in KIO::TransferJob::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libkio.so.5
#13 0x00007fef44baa59f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#14 0x00007fef475a4da2 in KIO::SlaveInterface::data(QByteArray const&) () from
/usr/lib/libkio.so.5
#15 0x00007fef475a7e08 in KIO::SlaveInterface::dispatch(int, QByteArray const&)
() from /usr/lib/libkio.so.5
#16 0x00007fef475a484c in KIO::SlaveInterface::dispatch() () from
/usr/lib/libkio.so.5
#17 0x00007fef47598056 in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#18 0x00007fef47598624 in KIO::Slave::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libkio.so.5
#19 0x00007fef44baa59f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#20 0x00007fef474d094d in ?? () from /usr/lib/libkio.so.5
#21 0x00007fef474d09dd in KIO::Connection::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libkio.so.5
#22 0x00007fef44baa062 in QObject::event(QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4
#23 0x00007fef457df93c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#24 0x00007fef457e449a in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#25 0x00007fef4653dee8 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#26 0x00007fef44b95ccb in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#27 0x00007fef44b994e4 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x00007fef44bc0bd3 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007fef3f0b9399 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#30 0x00007fef3f0bd220 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007fef3f0bd3c2 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#32 0x00007fef44bc0d3a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#33 0x00007fef458859c6 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#34 0x00007fef44b95012 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#35 0x00007fef44b95294 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#36 0x00007fef44b9977b in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#37 0x00000000006c90c7 in main (argc=1, argv=0x7fff7c4c22c8) at
/home/ian/Desktop/Coding/compile/digikam-2.0.0-beta3/core/digikam/main/main.cpp:232

Possible duplicates by query: bug 233766.

Reported using DrKonqi

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