[asterisk-bugs] [JIRA] (ASTERISK-21778) astobj2.c:115 INTERNAL_OBJ: user_data is NULL followed by Segmentation fault on cancelled divert

[Richard Mudgett (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-21778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=206286#comment-206286 ] 

Richard Mudgett commented on ASTERISK-21778:
--------------------------------------------

Please attach traces as *.txt files instead of pasting them into comments.  See More-Actions pull down menu and select Attach files.

You may find it helpful to read the Asterisk Issue Guidelines http://www.asterisk.org/developers/bug-guidelines.
                
> astobj2.c:115 INTERNAL_OBJ: user_data is NULL followed by Segmentation fault on cancelled divert
> ------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-21778
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21778
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 1.8.17.0
>         Environment: Centos 5.8 (kernel 2.6.18) with chan_capi 1.1.4 and Divas4linux 3.0 branch
>            Reporter: Antony Nikrooz
>            Severity: Critical
>
> This issue is reproducable in the following way:
> Call comes in on ISDN (CAPI) channel, Asterisk connects to SIP (going via MS Lync to Exchange 2010 UM). UM server tries to forward call to another extension on ISDN (Alcatel PABX). Lync sends SIP INVITE to Asterisk, ISDN line starts ringing.
> If I then hang up incoming call (ISDN->*sk->Lync), the Lync->*sk->ISDN call doesn't stop ringing. When call is answered, Asterisk crashes:
> [2013-05-10 09:24:53] ERROR[5502]: astobj2.c:115 INTERNAL_OBJ: user_data is NULL
> lemonade*CLI> 
> Disconnected from Asterisk server
> [root at lemonade asterisk]# /usr/sbin/safe_asterisk: line 145:  5485 Segmentation fault      (core dumped) nice -n $PRIORITY ${ASTSBINDIR}/asterisk -f ${CLIARGS} ${ASTARGS} > /dev/${TTY} 2>&1 < /dev/${TTY}
> Asterisk ended with exit status 139
> Full SIP debug will be attached

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