[Bug 773828] splitmuxsink: Crash when changing into a new file under GST_DEBUG=splitmuxsink:6

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=773828

--- Comment #1 from Vivia Nikolaidou <vivia at ahiru.eu> ---
Thread 2 (Thread 0x7fe5e2cb5700 (LWP 31278)):
#0  0x00007fe5e6c7281d in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5e72fea08 in g_usleep (microseconds=<optimized out>) at
././glib/gtimer.c:259
#2  0x0000555ba083c1da in fault_handler_sighandler () at gst-launch.c:113
#3  0x0000555ba083c1da in fault_handler_sighandler (signum=11) at
gst-launch.c:94
#4  0x00007fe5e6c73100 in <signal handler called> () at
/lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fe5e312c31f in gst_qt_mux_collected (pads=0x555ba25d50d0
[GstCollectPads], qtmux=<optimized out>)
    at gstqtmux.c:3594
#6  0x00007fe5e312c31f in gst_qt_mux_collected (pads=0x555ba25d50d0
[GstCollectPads], user_data=<optimized out>)
    at gstqtmux.c:3618
#7  0x00007fe5e57a8750 in gst_collect_pads_check_collected
(pads=pads at entry=0x555ba25d50d0 [GstCollectPads])
    at gstcollectpads.c:1351
#8  0x00007fe5e57ab7b9 in gst_collect_pads_event_default
(pads=pads at entry=0x555ba25d50d0 [GstCollectPads],
data=data at entry=0x555ba25d69d0, event=event at entry=0x7fe5dc004180,
discard=discard at entry=0) at gstcollectpads.c:1792
#9  0x00007fe5e3124151 in gst_qt_mux_sink_event (pads=pads at entry=0x555ba25d50d0
[GstCollectPads], data=data at entry=0x555ba25d69d0,
event=event at entry=0x7fe5dc004180, user_data=user_data at entry=0x555ba25c62a0) at
gstqtmux.c:4678
#10 0x00007fe5e57a811c in gst_collect_pads_event (pad=<optimized out>,
parent=<optimized out>, event=0x7fe5dc004180) at gstcollectpads.c:2014
#11 0x00007fe5e7a67557 in gst_pad_send_event_unchecked
(pad=pad at entry=0x555ba25b4970 [GstPad], event=event at entry=0x7fe5dc004180,
type=<optimized out>) at gstpad.c:5609
---Type <return> to continue, or q <return> to quit---
#12 0x00007fe5e7a72309 in gst_pad_send_event (pad=pad at entry=0x555ba25b4970
[GstPad], event=event at entry=0x7fe5dc004180) at gstpad.c:5779
#13 0x00007fe5e442cce9 in complete_or_wait_on_out (ctx=0x555ba25db260,
ctx=0x555ba25db260, splitmux=0x555ba25c6040 [GstSplitMuxSink]) at
gstsplitmuxsink.c:581
#14 0x00007fe5e442cce9 in complete_or_wait_on_out
(splitmux=splitmux at entry=0x555ba25c6040 [GstSplitMuxSink],
ctx=ctx at entry=0x555ba25db260) at gstsplitmuxsink.c:612
#15 0x00007fe5e442d301 in handle_mq_output (pad=pad at entry=0x555ba25b4df0
[GstPad], info=info at entry=0x7fe5e2cb4d10, ctx=0x555ba25db260) at
gstsplitmuxsink.c:780
#16 0x00007fe5e7a6652a in probe_hook_marshal (hook=0x555ba25c0b20,
data=0x7fe5e2cb4c80) at gstpad.c:3470
#17 0x00007fe5e72c5e94 in g_hook_list_marshal
(hook_list=hook_list at entry=0x555ba25b4e88, may_recurse=may_recurse at entry=1,
marshaller=marshaller at entry=0x7fe5e7a66340 <probe_hook_marshal>,
data=data at entry=0x7fe5e2cb4c80)
    at ././glib/ghook.c:672
#18 0x00007fe5e7a64d2b in do_probe_callbacks (pad=pad at entry=0x555ba25b4df0
[GstPad], info=info at entry=0x7fe5e2cb4d10,
defaultval=defaultval at entry=GST_FLOW_OK) at gstpad.c:3622
#19 0x00007fe5e7a68524 in gst_pad_push_data (pad=pad at entry=0x555ba25b4df0
[GstPad], type=type at entry=4112, data=data at entry=0x7fe5d4ddbb30) at
gstpad.c:4448
#20 0x00007fe5e7a70d12 in gst_pad_push (pad=0x555ba25b4df0 [GstPad],
buffer=buffer at entry=0x7fe5d4ddbb30)
    at gstpad.c:4577
#21 0x00007fe5e338491c in gst_multi_queue_loop (allow_drop=<synthetic pointer>,
object=0x7fe5d4ddbb30, sq=0x555ba25d9eb0, mq=0x555ba25cb0b0 [GstMultiQueue]) at
gstmultiqueue.c:1611
#22 0x00007fe5e338491c in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1915
#23 0x00007fe5e7a9c151 in gst_task_func (task=0x555ba25e5050 [GstTask]) at
gsttask.c:334
#24 0x00007fe5e72fdd1e in g_thread_pool_thread_proxy (data=<optimized out>) at
././glib/gthreadpool.c:307
---Type <return> to continue, or q <return> to quit---
#25 0x00007fe5e72fd325 in g_thread_proxy (data=0x555ba25d1ed0) at
././glib/gthread.c:784
#26 0x00007fe5e6c69464 in start_thread (arg=0x7fe5e2cb5700) at
pthread_create.c:333
#27 0x00007fe5e69ac9df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

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