Segfaults in example.py

[mo3rfan]

I'm getting segfault consistently right after I get a server reflexive candidate in example.py.

local candidate sdp:
a=candidate:1 1 UDP 2013266431 fe80::bcd8:bd0:70ed:419f 55367 typ host
local candidate sdp:
a=candidate:2 1 TCP 1019216383 fe80::bcd8:bd0:70ed:419f 9 typ host tcptype active
local candidate sdp:
a=candidate:3 1 TCP 1015022079 fe80::bcd8:bd0:70ed:419f 46423 typ host tcptype passive
local candidate sdp:
a=candidate:4 1 UDP 2013266431 192.168.1.48 40683 typ host
local candidate sdp:
a=candidate:5 1 TCP 1019216383 192.168.1.48 9 typ host tcptype active
local candidate sdp:
a=candidate:6 1 TCP 1015022079 192.168.1.48 50541 typ host tcptype passive
local candidate sdp:
a=candidate:7 1 UDP 2013266431 192.168.1.41 51235 typ host
local candidate sdp:
a=candidate:8 1 TCP 1019216383 192.168.1.41 9 typ host tcptype active
local candidate sdp:
a=candidate:9 1 TCP 1015022079 192.168.1.41 50339 typ host tcptype passive
base64 encoded local offer sdp:
dj0wDQpvPS0gNjYyMDM0NTA3OTY1NzIyNCAyIElOIElQNCAxMjcuMC4wLjENCnM9LQ0KdD0wIDANCmE9bXNpZC1zZW1hbnRpYzogV01TDQptPWFwcGxpY2F0aW9uIDEgVURQL0RUTFMvU0NUUCB3ZWJydGMtZGF0YWNoYW5uZWwNCmM9SU4gSVA0IDAuMC4wLjANCmE9aWNlLXVmcmFnOkZoa3INCmE9aWNlLXB3ZDpjV1hUakxiSU41bVAvMVQzaXRhMnV6DQphPWZpbmdlcnByaW50OnNoYS0yNTYgN0INCmE9c2V0dXA6YWN0aXZlDQphPW1pZDpkYXRhDQphPXNjdHAtcG9ydDoxOTgwMw0K
local candidate sdp:
a=candidate:10 1 UDP 1761608191 122.174.237.56 40683 typ srflx raddr 192.168.1.48 rport 40683
Segmentation fault (core dumped)

GDB Backtrace:

#0  0x00007ffff777c874 in __new_sem_post (sem=0x0)
    at sem_post.c:36
#1  0x00007ffff7acbeb9 in PyThread_release_lock ()
    at /usr/lib64/libpython2.7.so.1.0
#2  0x00007ffff643d487 in __pyx_f_7pyrtcdc_on_candidate_callback (__pyx_v_peer=<optimized out>, __pyx_v_candidate=<optimized out>, __pyx_v_user_data=<optimized out>)
    at pyrtcdc.c:1474
#3  0x00007ffff62313e1 in new_local_candidate_cb (agent=0x7e3040, candidate=0x7fffdc01da50, user_data=0x74a030)
#6  0x00007ffff52f6691 in g_signal_emitv ()
    at /usr/lib64/libgobject-2.0.so.0
#7  0x00007ffff5ff1337 in agent_unlock_and_emit (agent=agent@entry=0x7e3040) at agent.c:225
#8  0x00007ffff5ff27ec in _upnp_mapped_external_port (self=self@entry=0x7e02b0, proto=<optimized out>, external_ip=<optimized out>, replaces_external_ip=<optimized out>, external_port=<optimized out>, local_ip=<optimized out>, local_port=40683, description=0x7fffdc85e370 "libnice 0.1.13", user_data=0x7e3040) at agent.c:2574
#9  0x00007ffff46e7520 in _gupnp_simple_igd_marshal_VOID__STRING_STRING_STRING_UINT_STRING_UINT_STRING (closure=0x788fd0, return_value=<optimized out>, n_param_values=<optimized ou---Type <return> to continue, or q <return> to quit---
t>, param_values=0x7fffeddd5900, invocation_hint=<optimized out>, marshal_data=<optimized out>)
    at gupnp-simple-igd-marshal.c:90
#10 0x00007ffff52dc8d5 in g_closure_invoke ()
    at /usr/lib64/libgobject-2.0.so.0
#11 0x00007ffff52ee8e2 in  ()
    at /usr/lib64/libgobject-2.0.so.0
#12 0x00007ffff52f752c in g_signal_emit_valist ()
    at /usr/lib64/libgobject-2.0.so.0
#13 0x00007ffff52f790f in g_signal_emit ()
    at /usr/lib64/libgobject-2.0.so.0
#14 0x00007ffff46e52c1 in _service_proxy_added_port_mapping (proxy=<optimized out>, action=<optimized out>, user_data=0x7fffd80090c0) at gupnp-simple-igd.c:789
#15 0x00007ffff44c7959 in action_got_response (session=0x7e3870, msg=0x7fffdc553990, action=0x7fffdc8a0280)
    at gupnp-service-proxy.c:1005
#16 0x00007ffff3104c6e in soup_session_process_queue_item (session=<optimized out>, item=0x7fffdc875830, should_cleanup=<optimized out>, loop=<optimized out>)
    at soup-session.c:2038
#17 0x00007ffff31055ed in async_run_queue (session=0x7e3870) at soup-session.c:2077
#18 0x00007ffff31056d4 in idle_run_queue (user_data=0x7e3760) at soup-session.c:2111
#19 0x00007ffff500352a in g_main_context_dispatch ()
    at /usr/lib64/libglib-2.0.so.0
#20 0x00007ffff50038e0 in  ()
---Type <return> to continue, or q <return> to quit---
    at /usr/lib64/libglib-2.0.so.0
#21 0x00007ffff5003c02 in g_main_loop_run ()
    at /usr/lib64/libglib-2.0.so.0
#22 0x00007ffff46e701e in thread_func (dat=0x7e2270)
    at gupnp-simple-igd-thread.c:297
#23 0x00007ffff502b1c5 in  ()
    at /usr/lib64/libglib-2.0.so.0
#24 0x00007ffff7774454 in start_thread (arg=0x7fffeddd6700)
    at pthread_create.c:333
#25 0x00007ffff74b737f in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

[Globik]

Some where in the code in no time memory properly is not freed. Looks like so.