#0  0x00007f6e6c32f405 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 8141
#1  0x00007f6e6c332b6b in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {5, 140112250801848, 31, 140112239727141, 1, 140112238260433, 5, 140112239731385, 3, 140111891124382, 2, 140112239727088, 1, 140112239736068, 3, 140111891124356}}, sa_flags = 12, sa_restorer = 0x7f6e6c473508}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f6e6c36cd0e in __libc_message (do_abort=2, fmt=0x7f6e6c474fd0 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7f6e577fda00, reg_save_area = 0x7f6e577fd910}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7f6e577fda00, reg_save_area = 0x7f6e577fd910}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f6e6c377506 in malloc_printerr (action=3, str=0x7f6e6c471f99 "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007
        buf = "000000000234c3c0"
        cp = <optimized out>
#4  0x00007f6e6d1ce298 in QString::free(QString::Data*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#5  0x00007f6e6eb45929 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
No symbol table info available.
#6  0x00007f6e6eb45a3f in QDBusMessage::~QDBusMessage() () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
No symbol table info available.
#7  0x00007f6e6eb4175d in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
No symbol table info available.
#8  0x00007f6e6d2837ba in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#9  0x00007f6e6d2adec3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#10 0x00007f6e6ca00db5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f6e6ca010e8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f6e6ca011a4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007f6e6d2ae056 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#14 0x00007f6e6d27e67f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#15 0x00007f6e6d27e908 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#16 0x00007f6e6d181a50 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#17 0x00007f6e6d1849eb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#18 0x00007f6e6ae96e9a in start_thread (arg=0x7f6e577fe700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f6e577fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7774008190315139769, 140734584902080, 140111891130816, 0, 3, 7692572862735576391, 7692703896271711559}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#19 0x00007f6e6c3eb39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#20 0x0000000000000000 in ?? ()
No symbol table info available.