[asterisk-bugs] [JIRA] (ASTERISK-27384) DNS related segfault using pjsip and multiple DNS SRV records

[Michael Maier (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Maier updated ASTERISK-27384:
-------------------------------------

    Attachment: core.myfw-2017-10-27T07-22-22+0200-locks.txt

> DNS related segfault using pjsip and multiple DNS SRV records
> -------------------------------------------------------------
>
>                 Key: ASTERISK-27384
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27384
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 13.17.2
>         Environment: CentOS 6 64bit
>            Reporter: Michael Maier
>         Attachments: core.myfw-2017-10-27T07-22-22+0200-brief.txt, core.myfw-2017-10-27T07-22-22+0200-full.txt, core.myfw-2017-10-27T07-22-22+0200-locks.txt, core.myfw-2017-10-27T07-22-22+0200-thread1.txt
>
>
> I encountered a segfault during normal usage. At the time the segfault appeared, no call has been processed. Asterisk was idle.
> All in all there are 5 trunks defined, using bundled pjsip. Three of them are Telekom trunks, using DNS SRV records:
> # nslookup -type=srv _sip._udp.tel.t-online.de
> Server:         192.168.x.y
> Address:        192.168.x.y#53
> Non-authoritative answer:
> _sip._udp.tel.t-online.de       service = 1 5 5060 d-epp-102.isp.t-ipnet.de.
> _sip._udp.tel.t-online.de       service = 0 5 5060 n-epp-102.isp.t-ipnet.de.
> Authoritative answers can be found from:
> d-epp-102.isp.t-ipnet.de        internet address = 217.0.28.101
> n-epp-102.isp.t-ipnet.de        internet address = 217.0.23.229
> There have been issues fixed like this? fixed some time ago: see ASTERISK-26738
> Unfortunately, I don't have any more information about this segfault as there was no log entry in the asterisk log nor in messages. I didn't run tcpdump at the time of the segfault, too.



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