#0  0x00007ffff1f162d5 in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:63
#1  0x00007ffff1f17758 in __GI_abort () at abort.c:90
#2  0x00007ffff1f5469b in __libc_message (do_abort=do_abort@entry=2, 
    fmt=fmt@entry=0x7ffff2047d50 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:197
#3  0x00007ffff1f5a336 in malloc_printerr (action=3, 
    str=0x7ffff2047e40 "munmap_chunk(): invalid pointer", 
    ptr=<optimized out>) at malloc.c:4949
#4  0x00007ffff4b33959 in default_free (allocator=<optimized out>, 
    mem=0x7fffb001f530) at gstallocator.c:525
#5  0x00007ffff4b6661d in _gst_memory_free (mem=0x7fffb001f530)
    at gstmemory.c:97
#6  0x00007ffff4b3c6f1 in gst_memory_unref (memory=<optimized out>)
    at ../gst/gstmemory.h:325
#7  _gst_buffer_free (buffer=0x7fffb001e790) at gstbuffer.c:578
#8  0x00007ffff4e4b213 in gst_buffer_unref (buf=<optimized out>)
    at ../../../gst/gstbuffer.h:354
#9  helper_find_peek (data=0x7fffc712fb80, offset=12096, 
    size=<optimized out>) at gsttypefindhelper.c:174
#10 0x00007fffc54c8037 in data_scan_ctx_ensure_data (min_len=1024, 
    c=<synthetic pointer>, tf=0x7fffc712fb40) at gsttypefindfunctions.c:88
#11 mxf_type_find (tf=0x7fffc712fb40, ununsed=<optimized out>)
    at gsttypefindfunctions.c:4142
#12 0x00007ffff4b9da03 in gst_type_find_factory_call_function (
    factory=<optimized out>, find=0x7fffc712fb40) at gsttypefindfactory.c:221
#13 0x00007ffff4e4b69e in gst_type_find_helper_get_range (
    obj=obj@entry=0x58604e0, parent=<optimized out>, func=<optimized out>, 
    size=<optimized out>, extension=extension@entry=0x0, 
    prob=prob@entry=0x7fffc712fc3c) at gsttypefindhelper.c:355
#14 0x00007fffcb99ece4 in gst_type_find_element_loop (pad=0x7fffb80284f0)
    at gsttypefindelement.c:1047
#15 0x00007ffff4b9a231 in gst_task_func (task=0xe88b90) at gsttask.c:316
#16 0x00007ffff5ea7b22 in g_thread_pool_thread_proxy (data=<optimized out>)
    at /var/tmp/portage/dev-libs/glib-2.38.2/work/glib-2.38.2/glib/gthreadpool.c:309
#17 0x00007ffff5ea72e5 in g_thread_proxy (data=0x5af10f0)
    at /var/tmp/portage/dev-libs/glib-2.38.2/work/glib-2.38.2/glib/gthread.c:798
#18 0x00007ffff4454f3a in start_thread (arg=0x7fffc7130700)
    at pthread_create.c:308
#19 0x00007ffff1fc781d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
