[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  0x00007fb0f63f6645 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
[Current thread is 1 (Thread 0x7fb0797a2700 (LWP 13071))]
(gdb) bt
#0  0x00007fb0f63f6645 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb0f0536c9f in janus_videoroom_setup_media (handle=<optimized out>) at plugins/janus_videoroom.c:4162
#2  0x0000558505330be2 in janus_ice_dtls_handshake_done (handle=handle@entry=0x7fb0e8025c40, component=component@entry=0x7fb0b0042680) at ice.c:4462
#3  0x00005585053403e7 in janus_ice_dtls_handshake_done (handle=handle@entry=0x7fb0e8025c40, component=component@entry=0x7fb0b0042680) at ice.c:4483
#4  0x0000558505326209 in janus_dtls_srtp_incoming_msg (dtls=0x7fb0b00ef5b0, buf=buf@entry=0x7fb079791ab0 "\026\376", <incomplete sequence \375>, len=len@entry=859) at dtls.c:895
#5  0x000055850533a56b in janus_ice_cb_nice_recv (agent=<optimized out>, stream_id=<optimized out>, component_id=<optimized out>, len=859, buf=0x7fb079791ab0 "\026\376", <incomplete sequence \375>, ice=0x7fb0b0042680) at ice.c:2158
#6  0x00007fb0f68dc3f0 in nice_component_emit_io_callback (agent=0x7fb0bc19db00, component=0x7fb0b02250f0, buf=0x7fb079791ab0 "\026\376", <incomplete sequence \375>, buf_len=859) at component.c:954
#7  0x00007fb0f68e6a89 in component_io_cb (gsocket=<optimized out>, condition=<optimized out>, user_data=0x7fb0e4001e60) at agent.c:5502
#8  0x00007fb0f4745039 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#9  0x00007fb0f63b0285 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fb0f63b0650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fb0f63b0962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x0000558505336c83 in janus_ice_handle_thread (data=0x7fb0e8025c40) at ice.c:1101
#13 0x00007fb0f63d8195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fb0f53cb6db in start_thread (arg=0x7fb0797a2700) at pthread_create.c:463
#15 0x00007fb0f50f488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95