[asterisk-bugs] [JIRA] (ASTERISK-26314) MulticastRTP crashes in 13 as of 13.10

[Tzafrir Cohen (JIRA)]

Tzafrir Cohen created ASTERISK-26314:
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             Summary: MulticastRTP crashes in 13 as of 13.10
                 Key: ASTERISK-26314
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26314
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_multicast_rtp
    Affects Versions: 13.10.0
            Reporter: Tzafrir Cohen


(Note that the component is really chan_rtp, but it is not on the list)

To reproduce:

asterisk -rx 'channel originate MulticastRTP/basic/239.0.1.15:10000 application Playback beep'

This crashes asterisk in 13.10.0 and in branch 13 git 134db75e67850513e26addf171b8be79e66ee03d (Wed Aug 10 21:15:15 2016).

Works fine with 13.8.2.

Below is a back trace from 13.10.0 (on Debian Jessie armhf). Also attached a patch tested in 13 git on Centos 7.

{code}
#0  strlen () at ../ports/sysdeps/arm/armv6t2/strlen.S:85
#1  0x7556a756 in ast_multicast_rtp_create_options (type=0x7109bc00 "basic", 
    options=0x0) at res_rtp_multicast.c:144
#2  0x733c778e in multicast_rtp_request (type=<optimized out>, cap=0x71aff7fc, 
    assignedids=0x0, requestor=0x75c2ba84, 
    data=0x765055fa "basic/239.0.1.15:10000", cause=<optimized out>)
    at chan_rtp.c:169
#3  0x76ee7e52 in ast_request (type=0x765055e0 "MulticastRTP", 
    request_cap=request_cap at entry=0x75c284ac, assignedids=0x765055fa, 
    assignedids at entry=0x0, requestor=requestor at entry=0x75c2ba84, 
    addr=addr at entry=0x765055fa "basic/239.0.1.15:10000", cause=0x744ee480, 
    cause at entry=0x7109bed4) at channel.c:6045
#4  0x744eb12e in dial_exec_full (chan=0x75c2ba84, data=<optimized out>, 
    peerflags=peerflags at entry=0x7109c878, 
    continue_exec=continue_exec at entry=0x0) at app_dial.c:2426
#5  0x744eda46 in dial_exec (chan=<optimized out>, data=<optimized out>)
    at app_dial.c:3141
#6  0x76f6420a in pbx_exec (c=c at entry=0x75c2ba84, app=app at entry=0x7819bee0, 
    data=data at entry=0x7109cb34 "MulticastRTP/basic/239.0.1.15:10000,30,N")
    at pbx_app.c:485
#7  0x76f5ec96 in pbx_extension_helper (c=c at entry=0x75c2ba84, 
    con=con at entry=0x0, context=context at entry=0x75c2c110 "default-trunk", 
    exten=exten at entry=0x75c2c160 "foooood", priority=priority at entry=1, 
    label=label at entry=0x0, callerid=callerid at entry=0x75c10510 "anonymous", 
    action=<optimized out>, action at entry=E_SPAWN, 
    found=found at entry=0x7109eba0, 
    combined_find_spawn=combined_find_spawn at entry=1) at pbx.c:2834
#8  0x76f5f8ca in ast_spawn_extension (combined_find_spawn=1, 
    found=0x7109eba0, callerid=0x75c10510 "anonymous", priority=1, 
    exten=0x75c2c160 "foooood", context=0x75c2c110 "default-trunk", 
    c=0x75c2ba84) at pbx.c:4060
#9  __ast_pbx_run (c=0x75c2ba84, args=args at entry=0x0) at pbx.c:4235
#10 0x76f609b8 in pbx_thread (data=<optimized out>) at pbx.c:4555
#11 0x76fa9cf0 in dummy_start (data=<optimized out>) at utils.c:1235
#12 0x76a23f88 in start_thread (arg=0x7109f420) at pthread_create.c:311
#13 0x768221fc in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92
   from /lib/arm-linux-gnueabihf/libc.so.6
{code}



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