[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/opt/janus/bin/janus'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f5ab00a8dd5 in opus_decoder_get_nb_samples () from /usr/lib/x86_64-linux-gnu/libopus.so.0
[Current thread is 1 (Thread 0x7f5a767fc700 (LWP 440))]
(gdb) bt
#0  0x00007f5ab00a8dd5 in opus_decoder_get_nb_samples () from /usr/lib/x86_64-linux-gnu/libopus.so.0
#1  0x00007f5ab00a8f07 in opus_decode () from /usr/lib/x86_64-linux-gnu/libopus.so.0
#2  0x00007f5ab02ccf06 in janus_audiobridge_incoming_rtp (handle=<optimized out>, buf=0x7f5a767ebab0 "\220o3\035\206z\360\063\252\237\310\376\276\336", len=72, video=<optimized out>) at plugins/janus_audiobridge.c:2656
#3  0x00000000004349f6 in janus_ice_cb_nice_recv (agent=<optimized out>, stream_id=<optimized out>, component_id=<optimized out>, len=<optimized out>, buf=<optimized out>, ice=0x7f5a7801bca0) at ice.c:2120
#4  0x00007f5ab8b3a3e0 in ?? () from /usr/lib/x86_64-linux-gnu/libnice.so.10
#5  0x00007f5ab8b43f22 in ?? () from /usr/lib/x86_64-linux-gnu/libnice.so.10
#6  0x00007f5ab6825901 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f5ab861604a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f5ab86163f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f5ab8616712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x000000000042e740 in janus_ice_thread (data=0x7f5a780164b0) at ice.c:2464
#11 0x00007f5ab863cbb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f5ab710f6ba in start_thread (arg=0x7f5a767fc700) at pthread_create.c:333
#13 0x00007f5ab6e453dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
(gdb) f 2
#2  0x00007f5ab02ccf06 in janus_audiobridge_incoming_rtp (handle=<optimized out>, buf=0x7f5a767ebab0 "\220o3\035\206z\360\063\252\237\310\376\276\336", len=72, video=<optimized out>) at plugins/janus_audiobridge.c:2656
2656            pkt->length = opus_decode(participant->decoder, payload, plen, (opus_int16 *)pkt->data, BUFFER_SAMPLES, USE_FEC);
(gdb) print participant->decoder
$1 = (OpusDecoder *) 0x0