#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ffff4a33801 in __GI_abort () at abort.c:79
#2  0x00007ffff4a7c897 in __libc_message (action=action@entry=do_abort,
    fmt=fmt@entry=0x7ffff4ba9b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
#3  0x00007ffff4a8390a in malloc_printerr (
    str=str@entry=0x7ffff4bab3f0 "malloc_consolidate(): invalid chunk size")
    at malloc.c:5350
#4  0x00007ffff4a83bae in malloc_consolidate (av=av@entry=0x7ffff4ddec40 <main_arena>)
    at malloc.c:4441
#5  0x00007ffff4a8b03b in _int_free (have_lock=0, p=<optimized out>,
    av=0x7ffff4ddec40 <main_arena>) at malloc.c:4362
#6  __GI___libc_free (mem=0x555556d53920) at malloc.c:3124
#7  0x00007ffff64d4e05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007ffff645439e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ffff6454633 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007ffff64552ed in QV4::MemoryManager::sweep(bool, void (*)(char const*)) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007ffff6455fa1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007ffff6457fcc in QV4::MemoryManager::allocData(unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007ffff64d8624 in QV4::ArrayData::realloc(QV4::Object*, QV4::Heap::ArrayData::Type, unsigned int, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007ffff64c2689 in QV4::ExecutionEngine::fromVariant(QVariant const&) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007ffff64c2bf1 in QV4::ExecutionEngine::metaTypeToJS(int, void const*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007ffff64c26c7 in QV4::ExecutionEngine::fromVariant(QVariant const&) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007ffff64c2bf1 in QV4::ExecutionEngine::metaTypeToJS(int, void const*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007ffff64c2549 in QV4::ExecutionEngine::fromVariant(QVariant const&) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007ffff65498e1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007ffff654aa9f in QV4::QObjectWrapper::virtualResolveLookupGetter(QV4::Object const*, QV4::ExecutionEngine*, QV4::Lookup*) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007fffa00101ad in ?? ()
#22 0x0000000000000000 in ?? ()