dolphin crashed with SIGSEGV in KUiServerJobTracker::Private::_k_killJob()

[Alan Fischer e Silva]

Binary package hint: kdebase

Description: Ubuntu karmic (development branch)
Release: 9.10

dolphin:
  Installed: 4:4.3.2-0ubuntu1
  Candidate: 4:4.3.2-0ubuntu1
  Version table:
 *** 4:4.3.2-0ubuntu1 0
        500 http://ca.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
Architecture: i386
CheckboxSubmission: 222dae1e3f7f9fb033fafa900cd74e97
CheckboxSystem: 78db936e3abcbc195af890c2658b7bc7
Date: Tue Oct 13 22:46:30 2009
Disassembly: 0x736f5020: Cannot access memory at address 0x736f5020
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/dolphin
Package: dolphin 4:4.3.2-0ubuntu1
ProcCmdline: /usr/bin/dolphin -icon system-file-manager -caption Dolphin /home/username
ProcEnviron:
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
SegvAnalysis:
 Segfault happened at: 0x736f5020: Cannot access memory at address 0x736f5020
 PC (0x736f5020) not located in a known VMA region (needed executable region)!
SegvReason: executing unknown VMA
Signal: 11
SourcePackage: kdebase
StacktraceTop:
 ?? ()
 KUiServerJobTracker::Private::_k_killJob() ()
 KUiServerJobTracker::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
 QMetaObject::activate(QObject*, int, int, void**) ()
 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
Title: dolphin crashed with SIGSEGV in KUiServerJobTracker::Private::_k_killJob()
Uname: Linux 2.6.31-13-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Nelson-3 (nelson-3)]

Version: (using KDE 4.2.2)
Installed from: Fedora RPMs

No plugins loaded.

kdebase version: kdebase-4.2.2-2.fc11.x86_64

Step to Reproduce:
#1. navigate to any folder, move a file to trash by hitting [del]
#2. use another application other than dolphin itself to create a file of the same name & path of the one remove in #1
------
E.g.
i move a file called "abc" in ~/test/ for #1
i open a terminal, echo "" > ~/test/abc
to make another "abc" file
------
#3. now switch back to dolphin and press ctrl-z to undo change, dolphin claims that file already exists and a information notification pop up (knotify4?) an message of "Moving file.."
#4. click on the stop button (black square next to the pause button)
#5. dolphin crashes
#6. Notification stays there forever

Expected:
dolphin prompt for overwrite Y/N ?
Notification should disappear

Backtrace:
-----------------------
Application: Dolphin (dolphin), signal SIGSEGV
0x0000003b772a5151 in nanosleep () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7f3cb84d2820 (LWP 2196))]

Thread 2 (Thread 0x7f3cb1505910 (LWP 3481)):
#0 0x0000003b772d9092 in select () from /lib64/libc.so.6
#1 0x0000003c66f21691 in ?? () from /usr/lib64/libQtCore.so.4
#2 0x0000003c66e5a221 in ?? () from /usr/lib64/libQtCore.so.4
#3 0x0000003b77e0687a in start_thread () from /lib64/libpthread.so.0
#4 0x0000003b772e04cd in clone () from /lib64/libc.so.6
#5 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3cb84d2820 (LWP 2196)):
[KCrash Handler]
#5 0x0000000100000007 in ?? ()
#6 0x0000003c690e98e9 in KJob::kill(KJob::KillVerbosity) () from /usr/lib64/libkdecore.so.5
#7 0x0000003c69c01065 in KUiServerJobTracker::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libkdeui.so.5
#8 0x0000003c66f58612 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQtCore.so.4
#9 0x0000003c69d42a88 in ?? () from /usr/lib64/libkdeui.so.5
#10 0x0000003c67c23314 in ?? () from /usr/lib64/libQtDBus.so.4
#11 0x0000003c67c2b02f in ?? () from /usr/lib64/libQtDBus.so.4
#12 0x0000003c66f526c9 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#13 0x0000003c6858deac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#14 0x0000003c685954de in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#15 0x0000003c69c05c66 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#16 0x0000003c66f42b7c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#17 0x0000003c66f4366a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#18 0x0000003c66f6c333 in ?? () from /usr/lib64/libQtCore.so.4
#19 0x0000003b7963818e in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#20 0x0000003b7963b8e8 in ?? () from /lib64/libglib-2.0.so.0
#21 0x0000003b7963ba5c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#22 0x0000003c66f6bfa6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#23 0x0000003c686220de in ?? () from /usr/lib64/libQtGui.so.4
#24 0x0000003c66f41...

[Nelson-3 (nelson-3)]

Qt version :
qt-4.5.0-14.fc11.x86_64
qt-4.5.0-14.fc11.i586

[Dario Andres (andresbajotierra)]

Here using:

Qt: 4.5.1 (qt-copy 958974)
KDE: 4.2.85 (KDE 4.2.85 (KDE 4.3 Beta1))
kdelibs svn rev. 967040 / kdebase svn rev. 967041
on ArchLinux i686 - Kernel 2.6.29.2

I can reproduce the crash with the provided steps.
However, the "Overwrite" file dialog didn't appear.
It only appeared a message in the Dolphin statusbar saying "The file X already exists"

And the notification can be cancelled and removed (this was fixed from the Plasma side)

I guess it is trying to kill a job which doesn't exist. I wonder if this is a kdelibs bug.

Backtrace:
---

Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6 0x0070004f in ?? ()
#7 0xb7317d32 in KJob::kill (this=0x874d598, verbosity=KJob::EmitResult) at /home/kde-devel/kde/src/KDE/kdelibs/kdecore/jobs/kjob.cpp:106
#8 0xb76c9a7f in KUiServerJobTracker::Private::_k_killJob (this=0x8795438) at /home/kde-devel/kde/src/KDE/kdelibs/kdeui/jobs/kuiserverjobtracker.cpp:58
#9 0xb76c9af9 in KUiServerJobTracker::qt_metacall (this=0x87452e0, _c=QMetaObject::InvokeMetaMethod, _id=25, _a=0xbfba6a98) at /home/kde-devel/kde/build/KDE/kdelibs/kdeui/kuiserverjobtracker.moc:94
#10 0xb67e3b3b in QMetaObject::activate (sender=0x87393c8, from_signal_index=5, to_signal_index=5, argv=0x0) at kernel/qobject.cpp:3117
#11 0xb67e4f07 in QMetaObject::activate (sender=0x87393c8, m=0xb78d3a64, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#12 0xb783e127 in OrgKdeJobViewInterface::cancelRequested (this=0x87393c8) at /home/kde-devel/kde/build/KDE/kdelibs/kdeui/jobviewiface.moc:113
#13 0xb783e52b in OrgKdeJobViewInterface::qt_metacall (this=0x87393c8, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfba6cc0) at /home/kde-devel/kde/build/KDE/kdelibs/kdeui/jobviewiface.moc:90
#14 0xb72020be in QDBusConnectionPrivate::deliverCall (this=0x82f9810, object=0x87393c8, msg=@0x87398ac, metaTypes=@0x87398b0, slotIdx=5) at qdbusintegrator.cpp:891
#15 0xb720d4d8 in QDBusCallDeliveryEvent::placeMetaCall (this=0x8739880, object=0x87393c8) at qdbusintegrator_p.h:101
#16 0xb67e19ef in QObject::event (this=0x87393c8, e=0x8739880) at kernel/qobject.cpp:1115
#17 0xb69f51d5 in QApplicationPrivate::notify_helper (this=0x83011c8, receiver=0x87393c8, e=0x8739880) at kernel/qapplication.cpp:4057
#18 0xb69f5589 in QApplication::notify (this=0xbfba764c, receiver=0x87393c8, e=0x8739880) at kernel/qapplication.cpp:3604
#19 0xb76cf24a in KApplication::notify (this=0xbfba764c, receiver=0x87393c8, event=0x8739880) at /home/kde-devel/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:307
#20 0xb67cd6cb in QCoreApplication::notifyInternal (this=0xbfba764c, receiver=0x87393c8, event=0x8739880) at kernel/qcoreapplication.cpp:606
#21 0xb69f1bbd in QCoreApplication::sendEvent (receiver=0x87393c8, event=0x8739880) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#22 0xb67cdbb3 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x82c9998) at kernel/qcoreapplication.cpp:1244
#23 0xb67cdd6f in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#24 0xb6aa45ec in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../src/cor...

[Nelson-3 (nelson-3)]

sorry for being a bit misleading, the statement "dolphin claims
that file already exists" i was actually referring to the status bar of dolphin.

[Nelson-3 (nelson-3)]

i've found a way to make the pop up disappear, which is to drag them away and make them become a "widget" and then close it there.

[Apport retracing service (apport)]

StacktraceTop:?? ()
KUiServerJobTracker::Private::_k_killJob (this=0xa849470)
KUiServerJobTracker::qt_metacall (this=0xa5d16e8,
QMetaObject::activate (sender=0xa852db0,
QMetaObject::activate (sender=0xa852db0, m=0xf7a604,

[Jonathan Thomas (echidnaman-f)]

Here's a better backtrace from KDE 4.3.2:
(https://launchpad.net/bugs/453651)

.
Thread 3 (process 4573):
#0 0x007d5422 in __kernel_vsyscall ()
No symbol table info available.
#1 0x06fbd142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2 0x083bf7e4 in __pthread_cond_timedwait (cond=0xa104b70, mutex=0xa104b58,
    abstime=0xb5ec2330) at forward.c:152
 __p = (int (*)(pthread_cond_t *, pthread_mutex_t *,
    const struct timespec *)) 0xfffffdfc
#3 0x081089ff in metronom_sync_loop (this=0xa104b10) at metronom.c:870
 tv = {tv_sec = 1255743222, tv_usec = 910107}
 ts = {tv_sec = 1255743227, tv_nsec = 910107000}
 scr = <value optimized out>
 pts = 581115262953857840
#4 0x06fb880e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#5 0x083b27ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (process 4679):
#0 0x007d5422 in __kernel_vsyscall ()
No symbol table info available.
#1 0x083ab981 in select () from /lib/tls/i686/cmov/libc.so.6
No locals.
#2 0x0351baf5 in QProcessManager::run (this=0x9bd0d38)
    at io/qprocess_unix.cpp:296
 readset = {fds_bits = {64, 0 <repeats 31 times>}}
 nselect = <value optimized out>
 c = 0 '\0'
#3 0x0344ce32 in QThreadPrivate::start (arg=0x9bd0d38)
    at thread/qthread_unix.cpp:188
 data = (QThreadData *) 0x9bd68f8
#4 0x06fb880e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#5 0x083b27ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (process 4472):
#0 0x01053078 in typeinfo name for KTimeZoneSource ()
   from /usr/lib/libkdecore.so.5
No symbol table info available.
#1 0x00f174b2 in KJob::kill (this=0xa39ee50, verbosity=KJob::EmitResult)
    at ../../kdecore/jobs/kjob.cpp:106
No locals.
#2 0x00aca497 in KUiServerJobTracker::Private::_k_killJob (this=0xa09c348)
    at ../../kdeui/jobs/kuiserverjobtracker.cpp:58
 job = (class KJob *) 0x107c428
#3 0x00aca509 in KUiServerJobTracker::qt_metacall (this=0x9eb5748,
    _c=QMetaObject::InvokeMetaMethod, _id=25, _a=0xbf82164c)
    at ./kuiserverjobtracker.moc:94
No locals.
#4 0x03553263 in QMetaObject::activate (sender=0x9fca058,
    from_signal_index=5, to_signal_index=5, argv=0x0)
    at kernel/qobject.cpp:3113
 c = <value optimized out>
 method = 25
 currentSender = {sender = 0x9fca058, signal = 5, ref = 1}
 previousSender = (QObjectPrivate::Sender *) 0x0
 i = 0
 count = 1
 signal = 5
 empty_argv = {0x0}
 locker = {{mtx = 0x9bade7c, val = 163241596}}
 currentThreadData = <value optimized out>
 connectionLists = (QObjectConnectionListVector *) 0x9c3cff8
#5 0x03553ec2 in QMetaObject::activate (sender=0x9fca058, m=0xc87604,
    local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
 signal_index = 5
#6 0x00c3c5a7 in OrgKdeJobViewInterface::cancelRequested (this=0x9fca058)
    at jobviewiface.moc:113
No locals.
#7 0x00c3c9a3 in OrgKdeJobViewInterface::qt_metacall (this=0x9fca058,
    _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbf82194c)
    at jobviewiface.moc:90
No locals.
#8 0x0062d7b4 in QDBusConnectionPrivate::deliverCall (...

[Jonathan Thomas (echidnaman)]

Hi there!

Thanks for reporting this bug! Your bug seems to be a problem with the KDE program itself, and not with our KDE packages. But don't worry! This issue is being tracked by the KDE developers at: http://bugs.kde.org/show_bug.cgi?id=192547
Once fixed in KDE, it will be included in Kubuntu once the KDE version the fix is in in reaches Kubuntu.

Thanks!

[Dario Andres (andresbajotierra)]

[Comment from a bug triager]
I just checked this bug myself again (using KDE SC 4.5.3), with the steps on comment 0; and I could still reproduce the crash with the following backtrace:

#8 0xb71c3181 in KJob::kill (this=0x8a784c8, verbosity=KJob::EmitResult)
    at /home/dario/ArchPKG/abs/kdelibs/src/kdelibs-4.5.3/kdecore/jobs/kjob.cpp:106
No locals.
#9 0xb75f2095 in KUiServerJobTracker::Private::_k_killJob (this=0x8ba4460)
    at /home/dario/ArchPKG/abs/kdelibs/src/kdelibs-4.5.3/kdeui/jobs/kuiserverjobtracker.cpp:59
        job = <value optimized out>
        jobView = 0x8a949a0
#10 0xb75f2101 in KUiServerJobTracker::qt_metacall (this=0x8b07cc0,
    _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfcc091c)
    at /home/dario/ArchPKG/abs/kdelibs/src/build/kdeui/kuiserverjobtracker.moc:100
No locals.
#11 0xb6f7fc4a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
No symbol table info available.
#12 0xb6f8fa9f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
No symbol table info available.
#13 0xb77602b7 in OrgKdeJobViewV2Interface::cancelRequested (this=0x8a949a0)
    at /home/dario/ArchPKG/abs/kdelibs/src/build/kdeui/jobviewifacev2.moc:122
No locals.
#14 0xb77604bb in OrgKdeJobViewV2Interface::qt_metacall (this=0x8a949a0,
    _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfcc0a24)
    at /home/dario/ArchPKG/abs/kdelibs/src/build/kdeui/jobviewifacev2.moc:98
No locals.

[Nelson-3 (nelson-3)]

I have quited KDE for quite a while and now i'm back.
Now i'm using KDE SC 4.6.0 on Arch Linux
i tried to repeat the steps in the report
and the bug seems to have been fixed, now it shows the file is already exists in dolphin status when i do the "undo" step.
So i think this bug can be closed. can someone else verify?

[Postix (postix)]

Seems to be fixed.

Operating System: Manjaro Linux
KDE Plasma Version: 5.17.4
KDE Frameworks Version: 5.66.0
Qt Version: 5.14.0