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

Tue Dec 19 14:26:59 CST 2017

George

 Thank you we will get 13.18.4 on the test box ASAP, and thank you for the 
wiki link so we can pull together additional information to resolve this 
issue. I have upgraded to 13.18.4 and the system is not crashing now. Is 
there any specific item that may point to why the issue was occurring?

Thanks

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

----------------------------------------
 From: "George Joseph" <gjoseph at digium.com>
Sent: Tuesday, December 19, 2017 2:59 PM
To: bryantz at zktech.com, "Asterisk Developers Mailing List" 
<asterisk-dev at lists.digium.com>
Subject: Re: [asterisk-dev] Asterisk 13.17.1 Crash on ConfBridge - NetGen 
ATA   
     On Tue, Dec 19, 2017 at 12:45 PM, Bryant Zimmerman 
<BryantZ at zktech.com> wrote:   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

 There's not a whole lot of info in this backtrace for us to really know 
what's going on but can you try with 13.18.4?  There have been recent crash 
fixes that may help.

 If 13.18.4 doesn't help, recompiling with debugging turned on, re-creating 
the issue, then following the wiki instructions to get a backtrace will 
help us figure out what's up.
 https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace

    -- 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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--   George Joseph Digium, Inc. | Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org   

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