[dolphin] [Bug 442750] New: Dolphon crashed when I closed one instance and immediately pressed ctrl+n

Patrick Silva bugzilla_noreply at kde.org
Mon Sep 20 19:29:29 BST 2021 

https://bugs.kde.org/show_bug.cgi?id=442750

            Bug ID: 442750
           Summary: Dolphon crashed when I closed one instance and
                    immediately pressed ctrl+n
           Product: dolphin
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: bugseforuns at gmx.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
I launched two instances of Dolphin via apps launcher, closed the second one
and immediately pressed ctrl+n, then Plasma displayed a crash notification.

SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.23.80
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.3
Graphics Platform: Wayland

Application: dolphin (dolphin), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[New LWP 26904]
[New LWP 26897]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/dolphin'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=sig at entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f26f5ffb700 (LWP 26904))]
__preamble__

[Current thread is 1 (Thread 0x7f26f5ffb700 (LWP 26904))]

Thread 2 (Thread 0x7f26ffdfb9c0 (LWP 26897)):
#0  0x00007f27047c1b56 in malloc_consolidate (av=av at entry=0x7f2704914b80
<main_arena>) at malloc.c:4500
#1  0x00007f27047c3160 in _int_free (av=0x7f2704914b80 <main_arena>,
p=0x5577eaed7a40, have_lock=<optimized out>) at malloc.c:4400
#2  0x00007f2706aa9520 in KZoneAllocator::~KZoneAllocator (this=0x5577eac8e330,
__in_chrg=<optimized out>) at ./src/kzoneallocator.cpp:123
#3  0x00007f2706a96d06 in QtSharedPointer::CustomDeleter<KZoneAllocator,
QtSharedPointer::NormalDeleter>::execute (this=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:187
#4  QtSharedPointer::ExternalRefCountWithCustomDeleter<KZoneAllocator,
QtSharedPointer::NormalDeleter>::deleter (self=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:205
#5  0x00007f2706a96d3b in QtSharedPointer::ExternalRefCountData::destroy
(this=0x5577eac8e390) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:149
#6  QSharedPointer<KZoneAllocator>::deref (dd=0x5577eac8e390) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:458
#7  QSharedPointer<KZoneAllocator>::deref (dd=0x5577eac8e390) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:454
#8  QSharedPointer<KZoneAllocator>::deref (this=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:453
#9  QSharedPointer<KZoneAllocator>::~QSharedPointer (this=<optimized out>,
__in_chrg=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:310
#10 0x00007f270477315e in __cxa_finalize (d=0x7f2706ab69f0) at
cxa_finalize.c:83
#11 0x00007f2706a90937 in __do_global_dtors_aux () at
/usr/include/c++/9/bits/atomic_base.h:390
#12 0x00007ffdea236a40 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f26f5ffb700 (LWP 26904)):
[KCrash Handler]
#3  QHash<QByteArray, QTextCodec*>::value (akey=..., this=0x20) at
../../include/QtCore/../../src/corelib/tools/qhash.h:653
#4  QIcuCodec::codecForNameUnlocked (name=<optimized out>) at
codecs/qicucodec.cpp:499
#5  0x00007f2704e17b0d in QIcuCodec::defaultCodecUnlocked () at
codecs/qicucodec.cpp:451
#6  0x00007f2704e13fda in QTextCodec::codecForLocale () at
codecs/qtextcodec.cpp:719
#7  0x00007f2704c50f61 in QString::toLocal8Bit_helper (data=0x7f26e4002418,
size=138) at text/qstring.cpp:5326
#8  0x00007f2706fa9e96 in QString::toLocal8Bit() const & (this=0x7f26f5ff9828)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:208
#9  walkDir (dirPath=..., countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e4056ce0,
dirEntry at entry=0x7f26e404d6c0,
allowedRecursiveLevel=allowedRecursiveLevel at entry=1) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:70
#10 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e404d6c0,
dirEntry at entry=0x7f26e4045220,
allowedRecursiveLevel=allowedRecursiveLevel at entry=2) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#11 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e4045220,
dirEntry at entry=0x7f26e403d2a0,
allowedRecursiveLevel=allowedRecursiveLevel at entry=3) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#12 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e403d2a0,
dirEntry at entry=0x7f26e4035948,
allowedRecursiveLevel=allowedRecursiveLevel at entry=4) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#13 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e4035948,
dirEntry at entry=0x7f26e402d330,
allowedRecursiveLevel=allowedRecursiveLevel at entry=5) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#14 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e402d330,
dirEntry at entry=0x7f26e4025838,
allowedRecursiveLevel=allowedRecursiveLevel at entry=6) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#15 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e4025838,
dirEntry at entry=0x7f26e401d2b0,
allowedRecursiveLevel=allowedRecursiveLevel at entry=7) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#16 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e401d2b0,
dirEntry at entry=0x7f26e40157b8,
allowedRecursiveLevel=allowedRecursiveLevel at entry=8) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#17 0x00007f2706faa006 in walkDir (dirPath=...,
countHiddenFiles=countHiddenFiles at entry=false,
countDirectoriesOnly=countDirectoriesOnly at entry=false, dirEntry=0x7f26e40157b8,
dirEntry at entry=0x7f26e400d230,
allowedRecursiveLevel=allowedRecursiveLevel at entry=9) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#18 0x00007f2706faa006 in walkDir (dirPath=..., countHiddenFiles=false,
countDirectoriesOnly=false, dirEntry=0x7f26e400d230, dirEntry at entry=0x0,
allowedRecursiveLevel=10) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:80
#19 0x00007f2706faa0cc in KDirectoryContentsCounterWorker::subItemsCount
(path=..., options=...) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:113
#20 0x00007f2706faa0fb in
KDirectoryContentsCounterWorker::countDirectoryContents (this=0x5577eb284800,
path=..., options=...) at
./src/kitemviews/private/kdirectorycontentscounterworker.cpp:121
#21 0x00007f2704ddf919 in QObject::event (this=0x5577eb284800,
e=0x7f26e4004780) at kernel/qobject.cpp:1314
#22 0x00007f270588ddc3 in QApplicationPrivate::notify_helper
(this=this at entry=0x5577eac988b0, receiver=receiver at entry=0x5577eb284800,
e=e at entry=0x7f26e4004780) at kernel/qapplication.cpp:3632
#23 0x00007f2705896bb8 in QApplication::notify (this=0x7ffdea2369f0,
receiver=0x5577eb284800, e=0x7f26e4004780) at kernel/qapplication.cpp:3156
#24 0x00007f2704db1d7a in QCoreApplication::notifyInternal2
(receiver=0x5577eb284800, event=0x7f26e4004780) at
../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#25 0x00007f2704db4681 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x5577eb2727d0) at
kernel/qcoreapplication.cpp:1821
#26 0x00007f2704e0cf77 in postEventSourceDispatch (s=0x7f26e4004bb0) at
kernel/qeventdispatcher_glib.cpp:277
#27 0x00007f27028d117d in g_main_dispatch (context=0x7f26e4000c20) at
../../../glib/gmain.c:3309
#28 g_main_context_dispatch (context=context at entry=0x7f26e4000c20) at
../../../glib/gmain.c:3974
#29 0x00007f27028d1400 in g_main_context_iterate
(context=context at entry=0x7f26e4000c20, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#30 0x00007f27028d14a3 in g_main_context_iteration (context=0x7f26e4000c20,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#31 0x00007f2704e0c5d2 in QEventDispatcherGlib::processEvents
(this=0x7f26e4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007f2704db087b in QEventLoop::exec (this=this at entry=0x7f26f5ffabe0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#33 0x00007f2704bca292 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#34 0x00007f2704bcb42c in QThreadPrivate::start (arg=0x5577eb282ea0) at
thread/qthread_unix.cpp:329
#35 0x00007f270334f609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#36 0x00007f270484b293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

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