Application: konsole (16.04.3)

Qt Version: 5.6.1
Frameworks Version: 5.36.0
Operating System: Linux 4.10.0-38-generic x86_64
Distribution: Linux Mint 18.3 Sylvia

-- Information about the crash:
- What I was doing when the application crashed:
I had just opened Konsole. Then I immediately exited using Control-D.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konsole (konsole), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c122d0940 (LWP 6201))]

Thread 2 (Thread 0x7f6bff85a700 (LWP 6202)):
#0  0x00007f6c11d8f70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6c097a638c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6c097a649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6c0e8d337b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6c0e87bffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6c0e6a49e4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6c123a4515 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f6c0e6a9808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6c09edd6ba in start_thread (arg=0x7f6bff85a700) at pthread_create.c:333
#9  0x00007f6c11d9b3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6c122d0940 (LWP 6201)):
[KCrash Handler]
#6  0x00007f6c11cc9428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f6c11ccb02a in __GI_abort () at abort.c:89
#8  0x00007f6c11d0b7ea in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f6c11e24e98 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f6c11d1437a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7f6c11e24fa8 "double free or corruption (out)", action=3) at malloc.c:5006
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3867
#11 0x00007f6c11d1853c in __GI___libc_free (mem=<optimized out>) at malloc.c:2968
#12 0x00007f6c0e8a7c13 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f6c0e8a7c79 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6c0e88089f in QCoreApplication::removePostedEvents(QObject*, int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f6c0e8aa02a in QObjectPrivate::~QObjectPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f6c0e8aa1d9 in QObjectPrivate::~QObjectPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f6c0e8b20dc in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f6bfec94299 in QXcbConnection::~QXcbConnection() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#19 0x00007f6bfec95ab6 in QXcbIntegration::~QXcbIntegration() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#20 0x00007f6bfec95bb9 in QXcbIntegration::~QXcbIntegration() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f6c0ebc3613 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f6c0f1af9f9 in QApplicationPrivate::~QApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f6c0e8b20dc in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f6c0e87fd12 in QCoreApplication::~QCoreApplication() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f6c0f1b1524 in QApplication::~QApplication() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f6c1208515c in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so
#27 0x00007f6c11cb4830 in __libc_start_main (main=0x4006c0, argc=1, argv=0x7ffd504eeb58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd504eeb48) at ../csu/libc-start.c:291
#28 0x00000000004006f9 in _start ()

Reported using DrKonqi