valgrind show the following while muxing with qtmux and moov-recovery-file setted:

==5936== 20,488 bytes in 2 blocks are definitely lost in loss record 5,200 of 5,220
==5936==    at 0x4C28FAC: malloc (vg_replace_malloc.c:236)
==5936==    by 0x4C29026: realloc (vg_replace_malloc.c:525)
==5936==    by 0x616EB20: g_realloc (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.2800.6)
==5936==    by 0x190CFBF5: prop_copy_ensure_buffer (properties.c:53)
==5936==    by 0x190CFC3D: copy_func (properties.c:62)
==5936==    by 0x190CFCF1: prop_copy_uint32 (properties.c:107)
==5936==    by 0x190C72C2: atom_copy_data (atoms.c:1329)
==5936==    by 0x190C7D00: atom_ftyp_copy_data (atoms.c:1417)
==5936==    by 0x190CDAC1: atoms_recov_write_headers (atomsrecovery.c:116)
==5936==    by 0x190C3461: gst_qt_mux_collected (gstqtmux.c:1622)
==5936==    by 0x5070AA8: gst_collect_pads_check_collected (gstcollectpads.c:1143)
==5936==    by 0x5072977: gst_collect_pads_chain (gstcollectpads.c:1371)
==5936==    by 0x52E2DB1: gst_pad_chain_data_unchecked (gstpad.c:4247)
==5936==    by 0x52E362A: gst_pad_push_data (gstpad.c:4479)
==5936==    by 0x52E642C: gst_pad_push (gstpad.c:4704)
==5936==    by 0xBC47864: gst_queue_loop (gstqueue.c:1155)
==5936==    by 0x530CBEF: gst_task_func (gsttask.c:318)
==5936==    by 0x6191B15: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.2800.6)
==5936==    by 0x618F3E3: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.2800.6)
==5936==    by 0x703AD8B: start_thread (pthread_create.c:304)