Bug 480816

Application: skanlite (22.12.3)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 5.14.21-150500.55.44-default x86_64
Windowing System: X11
Distribution: "openSUSE Leap 15.5"
DrKonqi: 5.27.9 [KCrashBackend]

-- Information about the crash:
While scanning the document from thd ADR, after scanner has complited scanning and send data back to the Skanlite the application has crashed. After I checked if there are any messages on the scanner, there was no errors displayed. However, I found that by mistake I have leave the other document on the glass after my previous scanning. I do not know if this was the reason. I was trying to reproduce this issue, but I was not able to do it again, next time when I try to scan the document with this "setup" there was no issues.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Skanlite (skanlite), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fee951b1ac5 in KSaneCore::ImageBuilder::copyToImage (this=this@entry=0x55b1fe34aa80, readData=readData@entry=0x55b1fe3323a0 '\377' <repeats 200 times>..., read_bytes=read_bytes@entry=53755) at /usr/src/debug/ksanecore-22.12.3-bp155.1.7.x86_64/src/imagebuilder.cpp:99
#5  0x00007fee951aff41 in KSaneCore::ScanThread::copyToScanData (this=this@entry=0x55b1fe332390, readBytes=53755) at /usr/src/debug/ksanecore-22.12.3-bp155.1.7.x86_64/src/scanthread.cpp:234
#6  0x00007fee951b010c in KSaneCore::ScanThread::readData (this=this@entry=0x55b1fe332390) at /usr/src/debug/ksanecore-22.12.3-bp155.1.7.x86_64/src/scanthread.cpp:210
#7  0x00007fee951b0c18 in KSaneCore::ScanThread::run (this=0x55b1fe332390) at /usr/src/debug/ksanecore-22.12.3-bp155.1.7.x86_64/src/scanthread.cpp:122
#8  0x00007fee957529fc in QThreadPrivate::start (arg=0x55b1fe332390) at thread/qthread_unix.cpp:330
#9  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#10 0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fee6affd700 (LWP 2838) "skanlite:sh5"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf15650) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fee6b7fe700 (LWP 2837) "skanlite:sh4"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf15700) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fee63fff700 (LWP 2836) "skanlite:sh3"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf16730) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fee637fe700 (LWP 2835) "skanlite:sh2"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf15750) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fee6bfff700 (LWP 2834) "skanlite:sh1"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf1bc70) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fee70c68700 (LWP 2833) "skanlite:sh0"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fde3d5e0) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fee71469700 (LWP 2832) "skanlit:disk$0"):
#1  0x00007fee7cee73e9 in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#2  0x00007fee7ce9941b in util_queue_thread_func (input=input@entry=0x55b1fdf1bdd0) at ../src/util/u_queue.c:290
#3  0x00007fee7cee7327 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#4  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#5  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fee87dff700 (LWP 2830) "QDBusConnection"):
#1  0x00007fee934c1b49 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fee934c1c5c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fee959ae95c in QEventDispatcherGlib::processEvents (this=0x7fee80000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007fee9594a87a in QEventLoop::exec (this=this@entry=0x7fee87dfeb70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:235
#5  0x00007fee95751497 in QThread::exec (this=this@entry=0x7fee96c2b060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:547
#6  0x00007fee96bb12e5 in QDBusConnectionManager::run (this=0x7fee96c2b060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#7  0x00007fee957529fc in QThreadPrivate::start (arg=0x7fee96c2b060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:330
#8  0x00007fee9473c6ea in start_thread () from /lib64/libpthread.so.0
#9  0x00007fee9535150f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fee93227a00 (LWP 2829) "skanlite"):
#1  0x00007fee95754da4 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:114
#2  QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:133
#3  futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219
#4  futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at thread/qsemaphore.cpp:262
#5  QSemaphore::acquire (this=this@entry=0x7ffc749a6f90, n=n@entry=1) at thread/qsemaphore.cpp:326
#6  0x00007fee959899d2 in doActivate<false> (sender=0x55b1fe0f1370, signal_index=0, argv=0x7ffc749a7010) at kernel/qobject.cpp:3904
#7  0x00007fee95982e82 in QMetaObject::activate (sender=sender@entry=0x55b1fe0f1370, m=m@entry=0x7fee95c2d7c0 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc749a7010) at kernel/qobject.cpp:3983
#8  0x00007fee95982f2f in QObject::destroyed (this=this@entry=0x55b1fe0f1370, _t1=<optimized out>, _t1@entry=0x55b1fe0f1370) at .moc/moc_qobject.cpp:219
#9  0x00007fee95987805 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1010
#10 0x00007fee96c0cb09 in QDBusServiceWatcher::~QDBusServiceWatcher (this=0x55b1fe0f1370, __in_chrg=<optimized out>) at qdbusservicewatcher.cpp:260
#11 0x00007fee9597cb8b in QObjectPrivate::deleteChildren (this=0x55b1fe08f210) at kernel/qobject.cpp:2137
#12 0x00007fee9598752e in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1115
#13 0x00007fee90c897e3 in OrgKdeKWinTabletModeManagerInterface::~OrgKdeKWinTabletModeManagerInterface (this=0x55b1fe0f12e0, __in_chrg=<optimized out>) at /usr/src/debug/kirigami2-5.102.0-bp155.1.7.x86_64/build/src/libkirigami/tabletmodemanager_interface.cpp:23
#14 OrgKdeKWinTabletModeManagerInterface::~OrgKdeKWinTabletModeManagerInterface (this=0x55b1fe0f12e0, __in_chrg=<optimized out>) at /usr/src/debug/kirigami2-5.102.0-bp155.1.7.x86_64/build/src/libkirigami/tabletmodemanager_interface.cpp:25
#15 0x00007fee9597cb8b in QObjectPrivate::deleteChildren (this=0x55b1fe0f1610) at kernel/qobject.cpp:2137
#16 0x00007fee9598752e in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1115
#17 0x00007fee90c7fd29 in Kirigami::TabletModeWatcherSingleton::~TabletModeWatcherSingleton (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/kirigami2-5.102.0-bp155.1.7.x86_64/src/libkirigami/tabletmodewatcher.cpp:21
#18 Holder::~Holder (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/kirigami2-5.102.0-bp155.1.7.x86_64/src/libkirigami/tabletmodewatcher.cpp:27
#19 0x00007fee95286b79 in __run_exit_handlers () from /lib64/libc.so.6
#20 0x00007fee95286d0a in exit () from /lib64/libc.so.6
#21 0x00007fee91cea2d5 in QXcbConnection::processXcbEvents (this=0x55b1fdd65a40, flags=flags@entry=...) at qxcbconnection.cpp:1047
#22 0x00007fee91d0f653 in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:103
#23 0x00007fee934c182b in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#24 0x00007fee934c1bd0 in ?? () from /usr/lib64/libglib-2.0.so.0
#25 0x00007fee934c1c5c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#26 0x00007fee959ae95c in QEventDispatcherGlib::processEvents (this=0x55b1fde3c220, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007fee9594a87a in QEventLoop::exec (this=this@entry=0x7ffc749a7580, flags=..., flags@entry=...) at kernel/qeventloop.cpp:235
#28 0x00007fee959540b7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1375
#29 0x000055b1fc5d9581 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/skanlite-22.12.3-bp155.1.5.x86_64/src/main.cpp:91
[Inferior 1 (process 2829) detached]

Reported using DrKonqi