https://bugs.kde.org/show_bug.cgi?id=356964
Bug ID: 356964
Summary: kjobtrackerstest crashes when done (but not yet
exiting)
Product: frameworks-kio
Version: unspecified
Platform: Compiled Sources
OS: All
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: fa...@kde.org
Reporter: rjvber...@gmail.com
CC: kdelibs-b...@kde.org
With KIO 5.17.0, the kjobtrackerstest test crashes when it is done:
Full backtrace from the main thread (the other threads don't give any
additional information):
* thread #1: tid = 0xf20883, 0x000000010125102c
QtCore`QMetaObject::invokeMethod(obj=0x0000000103c4c020,
member=0x00000001000734b7, type=QueuedConnection, val0=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val1=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val2=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val3=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val4=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val5=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val6=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val7=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val8=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val9=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
ret=<unavailable>) + 1612 at qmetaobject.cpp:1464, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
frame #0: 0x000000010125102c
QtCore`QMetaObject::invokeMethod(obj=0x0000000103c4c020,
member=0x00000001000734b7, type=QueuedConnection, val0=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val1=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val2=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val3=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val4=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val5=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val6=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val7=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val8=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val9=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
ret=<unavailable>) + 1612 at qmetaobject.cpp:1464
frame #1: 0x0000000100061e31
libKF5JobWidgets.5.dylib`KDialogJobUiDelegate::Private::next() [inlined]
QMetaObject::invokeMethod(obj=0x0000000103c4c020, member=<unavailable>,
type=<unavailable>, val1=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val2=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val3=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val4=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val5=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000), val6=(_data = const void * =
0x0000000000000000, _name = const char * = 0x0000000000000000), val7=(_data =
const void * = 0x0000000000000000, _name = const char * = 0x0000000000000000),
val8=(_data = const void * = 0x0000000000000000, _name = const char * =
0x0000000000000000), val9=(_data = const void * = 0x0000000000000000, _name =
const char * = 0x0000000000000000)) + 593 at qobjectdefs.h:408
* frame #2: 0x0000000100061d8d
libKF5JobWidgets.5.dylib`KDialogJobUiDelegate::Private::next(this=0x0000000103c4c020)
+ 429 at kdialogjobuidelegate.cpp:82
frame #3: 0x00000001012716e3 QtCore`QObject::event(this=<unavailable>,
e=<unavailable>) + 675 at qobject.cpp:1239
frame #4: 0x000000010018453b
QtWidgets`QApplicationPrivate::notify_helper(this=<unavailable>,
receiver=0x0000000103c4c020, e=0x00000001102005a0) + 251 at
qapplication.cpp:3716
frame #5: 0x00000001001878f4
QtWidgets`QApplication::notify(this=<unavailable>, receiver=<unavailable>,
e=<unavailable>) + 8212 at qapplication.cpp:3681
frame #6: 0x00000001012490db
QtCore`QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)
[inlined] QCoreApplication::notifyInternal(this=<unavailable>,
receiver=<unavailable>, event=<unavailable>) + 95 at qcoreapplication.cpp:970
frame #7: 0x000000010124907c
QtCore`QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)
[inlined] QCoreApplication::sendEvent(receiver=<unavailable>,
event=0x00000001102005a0) + 28 at qcoreapplication.h:224
frame #8: 0x0000000101249060
QtCore`QCoreApplicationPrivate::sendPostedEvents(receiver=0x0000000000000000,
event_type=0, data=0x0000000103e00a00) + 848 at qcoreapplication.cpp:1598
frame #9: 0x0000000107f9c6ce
libqcocoa.dylib`QCocoaEventDispatcherPrivate::processPostedEvents(this=0x0000000103e507c0)
+ 190 at qcocoaeventdispatcher.mm:885
frame #10: 0x0000000107f9cf51
libqcocoa.dylib`QCocoaEventDispatcherPrivate::postedEventsSourceCallback(info=0x0000000103e507c0)
+ 33 at qcocoaeventdispatcher.mm:922
frame #11: 0x00007fff91f0f5b1
CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
frame #12: 0x00007fff91f00d29 CoreFoundation`__CFRunLoopDoSources0 + 441
frame #13: 0x00007fff91f003ef CoreFoundation`__CFRunLoopRun + 831
frame #14: 0x00007fff91effe75 CoreFoundation`CFRunLoopRunSpecific + 309
frame #15: 0x00007fff94501a0d HIToolbox`RunCurrentEventLoopInMode + 226
frame #16: 0x00007fff945017b7 HIToolbox`ReceiveNextEventCommon + 479
frame #17: 0x00007fff945015bc
HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 65
frame #18: 0x00007fff8bd5d24e AppKit`_DPSNextEvent + 1434
frame #19: 0x00007fff8bd5c89b AppKit`-[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
frame #20: 0x00007fff8bd5099c AppKit`-[NSApplication run] + 553
frame #21: 0x0000000107f9be3d
libqcocoa.dylib`QCocoaEventDispatcher::processEvents(this=0x0000000103e4e890,
flags=<unavailable>) + 2189 at qcocoaeventdispatcher.mm:418
frame #22: 0x0000000101245b5d
QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 381 at
qeventloop.cpp:128
frame #23: 0x0000000101245b44
QtCore`QEventLoop::exec(this=0x00007fff5fbfed70, flags=<unavailable>) + 356 at
qeventloop.cpp:204
frame #24: 0x00000001012489d5 QtCore`QCoreApplication::exec() + 325 at
qcoreapplication.cpp:1234
frame #25: 0x000000010000453b kjobtrackerstest`main(argc=1,
argv=<unavailable>) + 603 at kjobtrackerstest.cpp:181
The contents of 'this' in frame 2 (frame 3 on Linux):
(lldb) f 2
frame #2: 0x0000000100061d8d
libKF5JobWidgets.5.dylib`KDialogJobUiDelegate::Private::next(this=0x0000000103c4c020)
+ 429 at kdialogjobuidelegate.cpp:82
79 QSharedPointer<MessageBoxData> data = queue.dequeue();
80 KMessageBox::messageBox(data->widget, data->type, data->msg);
81
-> 82 QMetaObject::invokeMethod(this, "next", Qt::QueuedConnection);
83 }
84
85 void KDialogJobUiDelegate::Private::queuedMessageBox(QWidget *widget,
KMessageBox::DialogType type, const QString &msg)
(lldb) p *this
(KDialogJobUiDelegate::Private) $2 = {
QObject = {
d_ptr = {
d = 0x0000000103c95400
}
}
window = 0x0000000000000000
running = false
queue = {
QList<QSharedPointer<MessageBoxData> > = {
= {
p = {
d = 0x4060200000000000
}
d = 0x4060200000000000
}
}
}
}
Reproducible: Always
Steps to Reproduce:
1. build KIO
2. start tests/kjobtrackerstest.app/Contents/MacOS/kjobtrackerstest (or
tests/kjobtrackerstest on Linux)
3. let it run and then close the information dialog that says 'dir0'
Actual Results:
crash
Expected Results:
no crash ...
This looks like an event coming in for an already object corresponding to in
already delete instance, IOW something that should be deleted with
QObject::deleteLater().
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