https://bugs.kde.org/show_bug.cgi?id=398440

Alois Wohlschlager <alo...@gmx-topmail.de> changed:

           What    |Removed                     |Added
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                 CC|                            |alo...@gmx-topmail.de

--- Comment #42 from Alois Wohlschlager <alo...@gmx-topmail.de> ---
I got an interesting variant of the backtrace today, pasting it here:

#0  __GI___pthread_sigmask (how=how@entry=1, newmask=<optimized out>, 
    newmask@entry=0x7ffe050704d0, oldmask=oldmask@entry=0x0) at
pthread_sigmask.c:44
#1  0x00007f313694b76d in __GI___sigprocmask (how=how@entry=1,
set=set@entry=0x7ffe050704d0, oset=oset@entry=0x0)
    at ../sysdeps/unix/sysv/linux/sigprocmask.c:25
#2  0x00007f3138392feb in KCrash::setCrashHandler(void (*)(int))
(handler=handler@entry=0x0)
    at /usr/src/debug/kcrash-5.80.0-1.1.x86_64/src/kcrash.cpp:379
#3  0x00007f3138394e8a in KCrash::defaultCrashHandler(int) (sig=11)
    at /usr/src/debug/kcrash-5.80.0-1.1.x86_64/src/kcrash.cpp:575
#4  0x00007f313694b530 in <signal handler called> () at /lib64/libc.so.6
#5  DeclarativeMimeData::DeclarativeMimeData(QMimeData const*)
    (this=0x55b90fd7f7b0, copy=0x55b912b99a70, this=<optimized out>,
copy=<optimized out>)
    at
/usr/src/debug/kdeclarative-5.80.0-1.1.x86_64/src/qmlcontrols/draganddrop/DeclarativeMimeData.cpp:40
#6  0x00007f3114509081 in DeclarativeDragDropEvent::mimeData()
(this=0x7ffe05072c20)
    at
/usr/src/debug/kdeclarative-5.80.0-1.1.x86_64/src/qmlcontrols/draganddrop/DeclarativeDragDropEvent.cpp:52
#7  DeclarativeDragDropEvent::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**)
    (_a=<optimized out>, _id=<optimized out>, _c=<optimized out>,
_o=0x7ffe05072c20)
    at
/usr/src/debug/kdeclarative-5.80.0-1.1.x86_64/build/src/qmlcontrols/draganddrop/draganddropplugin_autogen/EWIEGA46WW/moc_DeclarativeDragDropEvent.cpp:121
#8  DeclarativeDragDropEvent::qt_static_metacall(QObject*, QMetaObject::Call,
int, void**)
    (_o=0x7ffe05072c20, _c=<optimized out>, _id=<optimized out>, _a=<optimized
out>)
    at
/usr/src/debug/kdeclarative-5.80.0-1.1.x86_64/build/src/qmlcontrols/draganddrop/draganddropplugin_autogen/EWIEGA46WW/moc_DeclarativeDragDropEvent.cpp:93
#9  0x00007f3138545071 in QQmlPropertyData::readPropertyWithArgs(QObject*,
void**) const
    (args=0x7ffe05070e90, target=0x7ffe05072c20, this=0x55b913501508)
    at
/usr/src/debug/libqt5-qtdeclarative-5.15.2-3.1.x86_64/include/QtQml/5.15.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:363
#10 QQmlPropertyData::readProperty(QObject*, void*) const
    (property=0x7ffe05070e70, target=0x7ffe05072c20, this=0x55b913501508)
    at
/usr/src/debug/libqt5-qtdeclarative-5.15.2-3.1.x86_64/include/QtQml/5.15.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:357
#11 loadProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData const&)
    (v4=0x55b90d45cf60, object=0x7ffe05072c20, property=...)
    at
/usr/src/debug/libqt5-qtdeclarative-5.15.2-3.1.x86_64/src/qml/jsruntime/qv4qobjectwrapper.cpp:138
#12 0x00007f30f095a944 in  ()
#13 0x0000000000000000 in  ()

I think #0-#4 can be explained by KCrash interfering, but the corruption
starting at #12 might be relevant.

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