Application: konsole (15.08.0)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-18-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
after running the command apt-get clean and then closing Konsole, poof, crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f6981172267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f6981173eca in __GI_abort () at abort.c:89
#8  0x00007f69811b5c53 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f69812ce1a8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f69811bdc69 in malloc_printerr (ptr=<optimized out>, str=0x7f69812ce2b8 "double free or corruption (out)", action=1) at malloc.c:4965
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3834
#11 0x00007f69811c189c in __GI___libc_free (mem=<optimized out>) at malloc.c:2950
#12 0x00007f697de0d116 in QObjectPrivate::Connection::~Connection (this=0xf7e050, __in_chrg=<optimized out>) at kernel/qobject.cpp:1045
#13 0x00007f697de173b9 in QObjectPrivate::Connection::deref (this=<optimized out>) at kernel/qobject_p.h:149
#14 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:966
#15 0x00007f697dbf98d5 in QThread::~QThread (this=0xf7db40, __in_chrg=<optimized out>) at thread/qthread.cpp:406
#16 0x00007f696f1e1961 in QXcbEventReader::~QXcbEventReader (this=0xf7db40, __in_chrg=<optimized out>) at .moc/../qxcbconnection.h:292
#17 QXcbEventReader::~QXcbEventReader (this=0xf7db40, __in_chrg=<optimized out>) at .moc/../qxcbconnection.h:292
#18 0x00007f696f1b5d8d in QXcbConnection::~QXcbConnection (this=0xf6e390, __in_chrg=<optimized out>) at qxcbconnection.cpp:432
#19 0x00007f696f1b6229 in QXcbConnection::~QXcbConnection (this=0xf6e390, __in_chrg=<optimized out>) at qxcbconnection.cpp:450
#20 0x00007f696f1b9a4e in qDeleteAll<QList<QXcbConnection*>::const_iterator> (end=..., begin=...) at ../../../../include/QtCore/../../src/corelib/tools/qalgorithms.h:315
#21 qDeleteAll<QList<QXcbConnection*> > (c=...) at ../../../../include/QtCore/../../src/corelib/tools/qalgorithms.h:323
#22 QXcbIntegration::~QXcbIntegration (this=0xf57770, __in_chrg=<optimized out>) at qxcbintegration.cpp:189
#23 0x00007f696f1b9b49 in QXcbIntegration::~QXcbIntegration (this=0xf57770, __in_chrg=<optimized out>) at qxcbintegration.cpp:190
#24 0x00007f697e0fc13e in QGuiApplicationPrivate::~QGuiApplicationPrivate (this=0xf4e460, __in_chrg=<optimized out>) at kernel/qguiapplication.cpp:1374
#25 0x00007f697e6b1c49 in QApplicationPrivate::~QApplicationPrivate (this=0xf4e460, __in_chrg=<optimized out>) at kernel/qapplication.cpp:183
#26 0x00007f697de17668 in QScopedPointerDeleter<QObjectData>::cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:54
#27 QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::~QScopedPointer (this=0x7fff7e6948d8, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:101
#28 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:882
#29 0x00007f697e6b39ab in QApplication::~QApplication (this=0x7fff7e6948d0, __in_chrg=<optimized out>) at kernel/qapplication.cpp:803
#30 0x00007f698152ebe5 in kdemain (argc=1, argv=0x7fff7e694a18) at ../../src/main.cpp:110
#31 0x00007f698115da40 in __libc_start_main (main=0x400730 <main(int, char**)>, argc=1, argv=0x7fff7e694a18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7e694a08) at libc-start.c:289
#32 0x0000000000400769 in _start ()

Possible duplicates by query: bug 355645, bug 353906, bug 352449, bug 351908, bug 351734.

Reported using DrKonqi