Crash observed in the Gstreamer

[piyush]

Crash observed in gstreamer when attempting to pump of load of transcoding
calls in between AMR-WB and PCMA.
At the concurrent call of 180 call, crash is observed.
Please help

Version - 1.18
Built from sources

#0  0x00007fe204bf47a4 in g_socket_send_messages (socket=0x0,
messages=0x221ddd0, num_messages=1, flags=0, cancellable=0x2213760
[GCancellable], error=0x7fc956f00368) at gsocket.c:4839
#1  0x00007fe2053ab89a in gst_multiudpsink_send_messages (sink=0x221d9f0
[GstUDPSink], socket=0x0, messages=<optimized out>, num_messages=<optimized
out>) at ../gst/udp/gstmultiudpsink.c:646
#2  0x00007fe2053ab5c7 in gst_multiudpsink_render_buffers (sink=0x221d9f0
[GstUDPSink], buffers=<optimized out>, num_buffers=<optimized out>,
mem_nums=<optimized out>, total_mem_num=<optimized out>) at
../gst/udp/gstmultiudpsink.c:823
#3  0x00007fe2053a9f1c in gst_multiudpsink_render (bsink=0x221d9f0
[GstUDPSink], buffer=0x7fe1b42605a0)
    at ../gst/udp/gstmultiudpsink.c:923
#4  0x00007fe20515eca7 in gst_base_sink_chain_unlocked (basesink=<optimized
out>, pad=<optimized out>, obj=<optimized out>, is_list=<optimized out>) at
../libs/gst/base/gstbasesink.c:3941
#5  0x00007fe20515e09f in gst_base_sink_chain_main (basesink=0x221d9f0
[GstUDPSink], pad=<optimized out>, obj=0x7fe1b42605a0, is_list=0) at
../libs/gst/base/gstbasesink.c:4067
#6  0x00007fe20712fe68 in gst_pad_chain_data_unchecked (pad=0x22192c0
[GstPad], type=<optimized out>, data=<optimized out>) at
../gst/gstpad.c:4399
#7  0x00007fe207130a5a in gst_pad_push_data (pad=0x21d7650 [GstGhostPad],
type=4112, data=<optimized out>)
    at ../gst/gstpad.c:4655
#8  0x00007fe20713087c in gst_pad_push (pad=0x21d7650 [GstGhostPad],
buffer=0x7fe1b42605a0) at ../gst/gstpad.c:4774
#9  0x00007fe2071175f4 in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7fe1b42605a0) at ../gst/gstghostpad.c:127
#10 0x00007fe20712fe68 in gst_pad_chain_data_unchecked (pad=0x21e2ce0
[GstProxyPad], type=<optimized out>, data=<optimized out>) at
../gst/gstpad.c:4399
#11 0x00007fe207130a5a in gst_pad_push_data (pad=0x223bae0 [GstPad],
type=4112, data=<optimized out>)
    at ../gst/gstpad.c:4655
#12 0x00007fe20713087c in gst_pad_push (pad=0x223bae0 [GstPad],
buffer=0x7fe1b42605a0) at ../gst/gstpad.c:4774
#13 0x00007fe1f5378381 in gst_rtp_session_send_rtcp (sess=<optimized out>,
src=<optimized out>, buffer=0x7fe1b42605a0, all_sources_bye=0,
user_data=<optimized out>) at ../gst/rtpmanager/gstrtpsession.c:1510
#14 0x00007fe1f5367889 in rtp_session_on_timeout (sess=0x220c710
[RTPSession], current_time=<optimized out>, ntpnstime=<optimized out>,
running_time=<optimized out>) at ../gst/rtpmanager/rtpsession.c:4583
#15 0x00007fe1f537bab1 in rtcp_thread (rtpsession=0x22401d0 [GstRtpSession])
at ../gst/rtpmanager/gstrtpsession.c:1216
#16 0x00007fe206bb3540 in g_thread_proxy (data=0x7fe1ec1d7230) at
gthread.c:784
#17 0x00007fe20692bea5 in start_thread (arg=0x7fc956f01700) at
pthread_create.c:307
#18 0x00007fe20665496d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111




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[Tim Müller]

On Fri, 2021-02-19 at 04:08 -0600, piyush wrote:

Hi,

> Crash observed in gstreamer when attempting to pump of load of transcoding
> calls in between AMR-WB and PCMA.
> At the concurrent call of 180 call, crash is observed.
> Please help
>
> Version - 1.18
> Built from sources
>
> #0  0x00007fe204bf47a4 in g_socket_send_messages (socket=0x0,
> messages=0x221ddd0, num_messages=1, flags=0, cancellable=0x2213760
> [GCancellable], error=0x7fc956f00368) at gsocket.c:4839
>

Please file a ticket in gitlab with a small test application to reproduce the issue.

socket=0x0 doesn't look good.

Cheers
 Tim

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