Bug 346742

Application: kdeinit5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- It provided recommended drivers. I selected the options. Told it to apply and close, then crash.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kdeinit5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f27b3d47780 (LWP 11937))]

Thread 2 (Thread 0x7f27936c3700 (LWP 11943)):
[KCrash Handler]
#5  malloc_consolidate (av=av@entry=0x7f278c000020) at malloc.c:4136
#6  0x00007f27b23c5a34 in _int_malloc (av=av@entry=0x7f278c000020, bytes=bytes@entry=2032) at malloc.c:3417
#7  0x00007f27b23c90b5 in __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3213
#8  0x00007f27aea51249 in ?? () from /usr/lib/nvidia-340-updates/tls/libnvidia-tls.so.340.76
#9  0x00007f27af5837f2 in g_malloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f27af59af5c in g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f27affd9359 in __nptl_deallocate_tsd () at pthread_create.c:175
#12 0x00007f27affda76d in __nptl_deallocate_tsd () at ../sysdeps/unix/sysv/linux/exit-thread.h:36
#13 start_thread (arg=0x7f27936c3700) at pthread_create.c:346
#14 0x00007f27b244aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f27b3d47780 (LWP 11937)):
[KCrash Handler]
#6  0x00007f27b2379267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f27b237aeca in __GI_abort () at abort.c:89
#8  0x00007f27b23bcc53 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f27b24d51a8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f27b23c4c69 in malloc_printerr (ptr=<optimized out>, str=0x7f27b24d52b8 "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 0x00007f27b23c889c in __GI___libc_free (mem=<optimized out>) at malloc.c:2950
#12 0x00007f27b2a1e0b2 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f27b2a1e109 in QMetaCallEvent::~QMetaCallEvent() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f27b29f2587 in QCoreApplication::removePostedEvents(QObject*, int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f27b2a1e6fa in QObjectPrivate::~QObjectPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f27b2a1e809 in QObjectPrivate::~QObjectPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f27b2a2983b in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f279fb5b619 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#19 0x00007f279fb5fd3e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#20 0x00007f279fb5fe19 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#21 0x00007f27b36f85c0 in QGuiApplicationPrivate::~QGuiApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f27b0df84e9 in QApplicationPrivate::~QApplicationPrivate() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f27b2a2983b in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f27b0dfa133 in QApplication::~QApplication() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f27a14bf5fc in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcmshell5.so
#26 0x0000000000408716 in ?? ()
#27 0x000000000040a132 in ?? ()
#28 0x000000000040a6ee in ?? ()
#29 0x000000000040501b in main ()

Reported using DrKonqi