[asterisk-bugs] [JIRA] (ASTERISK-24869) Asterisk segfaults on DAHDI attended transfer

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=225371#comment-225371 ] 

Matt Jordan commented on ASTERISK-24869:
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Yup, that shows the problem. For some reason {{appl}} can be NULL in that situation, and dup'ing that on the stack is a "bad thing".



> Asterisk segfaults on DAHDI attended transfer
> ---------------------------------------------
>
>                 Key: ASTERISK-24869
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24869
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 13.2.0
>            Reporter: viniciusfontes
>            Assignee: viniciusfontes
>         Attachments: additional trace.txt, backtrace2.txt, backtrace.txt, even more additional trace.txt, messages2.txt, messages.txt
>
>
> Asterisk 13.2.0 segfaults on some DAHDI attended transfers. The issue isn't exactly easy to reproduce, but I managed to get as much data as I could before submitting this issue.
> OS detail: Debian 7.8 (Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u2 x86_64 unknown unknown GNU/Linux)
> I'll attach the relevant part of /var/log/asterisk/messages and the backtraces.



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