Application: dolphin (18.04.0)

Qt Version: 5.11.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

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

Dolphin crashed after it started copying a text file to a remote SFTP location, but the copy process went fine.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f40ca6e5840 (LWP 13645))]

Thread 4 (Thread 0x7f40bd37c700 (LWP 13649)):
#0  0x00007f40da70a204 in __GI___libc_read (fd=20, buf=buf@entry=0x7f40bd37bb40, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f40d0597960 in read (__nbytes=16, __buf=0x7f40bd37bb40, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f40b80039a0) at ../../../../glib/gwakeup.c:210
#3  0x00007f40d0552f27 in g_main_context_check (context=context@entry=0x7f40ac000bf0, max_priority=2147483647, fds=fds@entry=0x7f40ac0049b0, n_fds=n_fds@entry=1) at ../../../../glib/gmain.c:3681
#4  0x00007f40d05533e0 in g_main_context_iterate (context=context@entry=0x7f40ac000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3900
#5  0x00007f40d055354c in g_main_context_iteration (context=0x7f40ac000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
#6  0x00007f40d550f23b in QEventDispatcherGlib::processEvents (this=0x7f40ac000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f40d54bc24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f40d530b176 in QThread::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f40d5314d47 in QThreadPrivate::start(void*) () at thread/qthread_unix.cpp:367
#10 0x00007f40d1d6df2a in start_thread (arg=0x7f40bd37c700) at pthread_create.c:463
#11 0x00007f40da718edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f40bf64d700 (LWP 13648)):
#0  0x00007f40d1d73e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b91f0428c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b91f042870, cond=0x55b91f042898) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b91f042898, mutex=0x55b91f042870) at pthread_cond_wait.c:655
#3  0x00007f40bf953d8b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f40bf953ab7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f40d1d6df2a in start_thread (arg=0x7f40bf64d700) at pthread_create.c:463
#6  0x00007f40da718edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f40c66e2700 (LWP 13647)):
#0  0x00007f40da70e739 in __GI___poll (fds=0x7f40b801aad0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f40d0553439 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f40b801aad0, timeout=<optimized out>, context=0x7f40b8000bf0) at ../../../../glib/gmain.c:4204
#2  g_main_context_iterate (context=context@entry=0x7f40b8000bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
#3  0x00007f40d055354c in g_main_context_iteration (context=0x7f40b8000bf0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
#4  0x00007f40d550f23b in QEventDispatcherGlib::processEvents (this=0x7f40b8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f40d54bc24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f40d530b176 in QThread::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f40d5762545 in QDBusConnectionManager::run (this=0x7f40d57dcd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f40d5314d47 in QThreadPrivate::start(void*) () at thread/qthread_unix.cpp:367
#9  0x00007f40d1d6df2a in start_thread (arg=0x7f40c66e2700) at pthread_create.c:463
#10 0x00007f40da718edf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f40ca6e5840 (LWP 13645)):
[KCrash Handler]
#6  __GI___libc_free (mem=0x1) at malloc.c:3103
#7  0x00007f40d54e429d in QObjectPrivate::Connection::~Connection (this=0x55b91ffeea00, __in_chrg=<optimized out>) at kernel/qobject.cpp:1042
#8  0x00007f40d54ed25b in QObjectPrivate::Connection::deref (this=<optimized out>) at kernel/qobject_p.h:157
#9  QObject::~QObject() () at kernel/qobject.cpp:961
#10 0x00007f40d8c833a9 in KIO::StatJob::~StatJob() () from /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#11 0x00007f40d54e7090 in QObject::event(QEvent*) () at kernel/qobject.cpp:1242
#12 0x00007f40d5ea84a1 in QApplicationPrivate::notify_helper (this=this@entry=0x55b91efecad0, receiver=receiver@entry=0x55b91ffbbaf0, e=e@entry=0x55b92000e210) at kernel/qapplication.cpp:3727
#13 0x00007f40d5eafae0 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3486
#14 0x00007f40d54bd579 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at ../../include/QtCore/5.11.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#15 0x00007f40d54c056b in QCoreApplication::sendEvent (event=0x55b92000e210, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#16 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at kernel/qcoreapplication.cpp:1745
#17 0x00007f40d54c09b8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#18 0x00007f40d550fc03 in postEventSourceDispatch (s=s@entry=0x55b91f0430f0) at kernel/qeventdispatcher_glib.cpp:276
#19 0x00007f40d0553287 in g_main_dispatch (context=0x7f40c0004ff0) at ../../../../glib/gmain.c:3177
#20 g_main_context_dispatch (context=context@entry=0x7f40c0004ff0) at ../../../../glib/gmain.c:3830
#21 0x00007f40d05534c0 in g_main_context_iterate (context=context@entry=0x7f40c0004ff0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
#22 0x00007f40d055354c in g_main_context_iteration (context=0x7f40c0004ff0, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
#23 0x00007f40d550f223 in QEventDispatcherGlib::processEvents (this=0x55b91f0467b0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#24 0x00007f40ca46be51 in QPAEventDispatcherGlib::processEvents (this=0x55b91f0467b0, flags=...) at qeventdispatcher_glib.cpp:69
#25 0x00007f40d54bc24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#26 0x00007f40d54c43c2 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#27 0x00007f40da82248a in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_dolphin.so
#28 0x00007f40da643b17 in __libc_start_main (main=0x55b91e837730, argc=2, argv=0x7ffe23553538, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe23553528) at ../csu/libc-start.c:310
#29 0x000055b91e83776a in _start ()

Possible duplicates by query: bug 387295.

Reported using DrKonqi