[asterisk-dev] Asterisk 13.17.1 Crash on ConfBridge - NetGen ATA

[Bryant Zimmerman]

We are having an issue with asterisk 13.17.1 dumping when a call from a 
NetGen Smart ATA drops into a confbridge
 The call props up and then things just go wrong. I have talked with the 
support guys at NetGen and they have requested I work start with the 
asterisk dev group so we can figure out what is causing this issue and why 
asterisk is dumping. They are willing to fix anything from their end but we 
have not been able to figure out what in their rtp stream is triggering 
this.  Their ATA's seem to work out side of the confbridge without issues 
so far. Any ideas are appreciated. The asterisk dump is by far my biggest 
concern. 
  
 Below is the first part of the dump Backtrack. I have attached a copy of 
the complete Backtrack. I need to know what more would be needed to get to 
the bottom of this issue. As it stands now the NetGen Smart ATA will cause 
asterisk 13 to crash if placed into a confbridge.  
http://www.netgencommunications.com/
 The support guy said we could contact them at 
support at netgencommunications.com
  
    -- Executing [s at Core_ConfBridge_Basic:11] 
ConfBridge("PJSIP/6162480909.351-00000000", 
"6162480909.~Promo~GA1,,,sample_user_menu") in new stack
       > 0x7f3ff800b4c0 -- Probation passed - setting RTP source address to 
192.168.209.194:10020
    -- Channel CBAnn/6162480909.~Promo~GA1-00000000;2 joined 'softmix' 
base-bridge <4a00cdad-91cb-4924-8abe-8dc9cad08f10>
    -- <PJSIP/6162480909.351-00000000> Playing 'conf-onlyperson.ulaw' 
(language 'en')
UBNTU-ROSSI-GUEST*CLI> *** Error in `/usr/sbin/asterisk': malloc(): memory 
corruption: 0x00007f3fac00c220 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f402147b7e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8213e)[0x7f402148613e]
/lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x54)[0x7f4021488184]
/usr/sbin/asterisk(ast_json_malloc+0xa)[0x52a23a]
/usr/lib/x86_64-linux-gnu/libjansson.so.4(json_object+0xb)[0x7f40227ab7bb]
/usr/lib/x86_64-linux-gnu/libjansson.so.4(+0x6505)[0x7f40227aa505]
/usr/lib/x86_64-linux-gnu/libjansson.so.4(json_vpack_ex+0x99)[0x7f40227aaa09
]
/usr/sbin/asterisk(ast_json_vpack+0x34)[0x52b6a4]
/usr/sbin/asterisk(ast_json_pack+0xa1)[0x52b7c1]
/usr/lib/asterisk/modules/res_rtp_asterisk.so(+0x10df3)[0x7f3f90994df3]
/usr/lib/asterisk/modules/res_rtp_asterisk.so(+0x11a99)[0x7f3f90995a99]
/usr/lib/asterisk/modules/res_rtp_asterisk.so(+0x13bcb)[0x7f3f90997bcb]
/usr/sbin/asterisk(ast_rtp_instance_read+0x36)[0x588076]
/usr/lib/asterisk/modules/chan_pjsip.so(+0x8cd7)[0x7f3f7c57ccd7]
/usr/sbin/asterisk[0x4bc042]
/usr/sbin/asterisk[0x50f3f1]
/usr/sbin/asterisk(ast_stream_and_wait+0x56)[0x511bbe]
/usr/lib/asterisk/modules/app_confbridge.so(+0xb716)[0x7f3f915d7716]
/usr/lib/asterisk/modules/app_confbridge.so(+0xd5f6)[0x7f3f915d95f6]
/usr/sbin/asterisk(pbx_exec+0xbd)[0x579155]
/usr/sbin/asterisk[0x56e0c3]
/usr/sbin/asterisk(ast_spawn_extension+0x18)[0x56feb8]
/usr/lib/asterisk/modules/app_macro.so(+0x2c02)[0x7f3f6f8a6c02]
/usr/sbin/asterisk(pbx_exec+0xbd)[0x579155]
/usr/sbin/asterisk[0x56e0c3]
/usr/sbin/asterisk[0x5703d1]
/usr/sbin/asterisk[0x57190b]
/usr/sbin/asterisk[0x5e45fd]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7f4021f436ba]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f402150b3dd]
  

Thanks

Bryant Zimmerman (ZK Tech Inc.)
616-855-1030 Ext. 2003

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