<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Dec 19, 2017 at 1:45 PM, Bryant Zimmerman <span dir="ltr"><<a href="mailto:BryantZ@zktech.com" target="_blank">BryantZ@zktech.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-family:Arial,Helvetica,sans-serif;font-size:12px"><div>We are having an issue with asterisk 13.17.1 dumping when a call from a NetGen Smart ATA drops into a confbridge</div>
<div>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. </div>
<div> </div>
<div>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. <a href="http://www.netgencommunications.com/" target="_blank">http://www.<wbr>netgencommunications.com/</a></div>
<div>The support guy said we could contact them at <a href="mailto:support@netgencommunications.com" target="_blank">support@netgencommunications.<wbr>com</a></div>
<div> </div>
<div> -- Executing [s@Core_ConfBridge_Basic:11] ConfBridge("PJSIP/6162480909.<wbr>351-00000000", "6162480909.~Promo~GA1,,,<wbr>sample_user_menu") in new stack<br>
> 0x7f3ff800b4c0 -- Probation passed - setting RTP source address to <a href="http://192.168.209.194:10020" target="_blank">192.168.209.194:10020</a><br>
-- Channel CBAnn/6162480909.~Promo~GA1-<wbr>00000000;2 joined 'softmix' base-bridge <4a00cdad-91cb-4924-8abe-<wbr>8dc9cad08f10><br>
-- <PJSIP/6162480909.351-<wbr>00000000> Playing 'conf-onlyperson.ulaw' (language 'en')<br>
UBNTU-ROSSI-GUEST*CLI> *** Error in `/usr/sbin/asterisk': malloc(): memory corruption: 0x00007f3fac00c220 ***<br>
======= Backtrace: =========<br>
/lib/x86_64-linux-gnu/libc.so.<wbr>6(+0x777e5)[0x7f402147b7e5]<br>
/lib/x86_64-linux-gnu/libc.so.<wbr>6(+0x8213e)[0x7f402148613e]<br>
/lib/x86_64-linux-gnu/libc.so.<wbr>6(__libc_malloc+0x54)[<wbr>0x7f4021488184]<br>
/usr/sbin/asterisk(ast_json_<wbr>malloc+0xa)[0x52a23a]<br>
/usr/lib/x86_64-linux-gnu/<wbr>libjansson.so.4(json_object+<wbr>0xb)[0x7f40227ab7bb]<br>
/usr/lib/x86_64-linux-gnu/<wbr>libjansson.so.4(+0x6505)[<wbr>0x7f40227aa505]<br>
/usr/lib/x86_64-linux-gnu/<wbr>libjansson.so.4(json_vpack_ex+<wbr>0x99)[0x7f40227aaa09]<br>
/usr/sbin/asterisk(ast_json_<wbr>vpack+0x34)[0x52b6a4]<br>
/usr/sbin/asterisk(ast_json_<wbr>pack+0xa1)[0x52b7c1]<br>
/usr/lib/asterisk/modules/res_<wbr>rtp_asterisk.so(+0x10df3)[<wbr>0x7f3f90994df3]<br>
/usr/lib/asterisk/modules/res_<wbr>rtp_asterisk.so(+0x11a99)[<wbr>0x7f3f90995a99]<br>
/usr/lib/asterisk/modules/res_<wbr>rtp_asterisk.so(+0x13bcb)[<wbr>0x7f3f90997bcb]<br>
/usr/sbin/asterisk(ast_rtp_<wbr>instance_read+0x36)[0x588076]<br>
/usr/lib/asterisk/modules/<wbr>chan_pjsip.so(+0x8cd7)[<wbr>0x7f3f7c57ccd7]<br>
/usr/sbin/asterisk[0x4bc042]<br>
/usr/sbin/asterisk[0x50f3f1]<br>
/usr/sbin/asterisk(ast_stream_<wbr>and_wait+0x56)[0x511bbe]<br>
/usr/lib/asterisk/modules/app_<wbr>confbridge.so(+0xb716)[<wbr>0x7f3f915d7716]<br>
/usr/lib/asterisk/modules/app_<wbr>confbridge.so(+0xd5f6)[<wbr>0x7f3f915d95f6]<br>
/usr/sbin/asterisk(pbx_exec+<wbr>0xbd)[0x579155]<br>
/usr/sbin/asterisk[0x56e0c3]<br>
/usr/sbin/asterisk(ast_spawn_<wbr>extension+0x18)[0x56feb8]<br>
/usr/lib/asterisk/modules/app_<wbr>macro.so(+0x2c02)[<wbr>0x7f3f6f8a6c02]<br>
/usr/sbin/asterisk(pbx_exec+<wbr>0xbd)[0x579155]<br>
/usr/sbin/asterisk[0x56e0c3]<br>
/usr/sbin/asterisk[0x5703d1]<br>
/usr/sbin/asterisk[0x57190b]<br>
/usr/sbin/asterisk[0x5e45fd]<br>
/lib/x86_64-linux-gnu/<wbr>libpthread.so.0(+0x76ba)[<wbr>0x7f4021f436ba]<br>
/lib/x86_64-linux-gnu/libc.so.<wbr>6(clone+0x6d)[0x7f402150b3dd]</div></span></blockquote><div><br></div><div>Your backtrace has no symbols. However it looks like this security issue</div><div><a href="https://issues.asterisk.org/jira/browse/ASTERISK-27429">https://issues.asterisk.org/jira/browse/ASTERISK-27429</a> dealing with RTCP that was</div><div>just released on November 30 in v13.18.4.</div><div><br></div><div>Richard</div><br></div></div></div>