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

[Michael Maier (JIRA)]

Michael Maier created ASTERISK-27384:
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             Summary: 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


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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