[asterisk-bugs] [JIRA] (ASTERISK-23588) ARI: Crash when unsubscribing from bridge

[Kinsey Moore (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kinsey Moore closed ASTERISK-23588.
-----------------------------------

    Resolution: Fixed

As per the review, this is being fixed with a usage note on the stasis_app_get_bridge function.

> ARI: Crash when unsubscribing from bridge
> -----------------------------------------
>
>                 Key: ASTERISK-23588
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23588
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_ari
>    Affects Versions: 12.1.1
>         Environment: Asterisk Test Suite
>            Reporter: Matt Jordan
>            Assignee: Kinsey Moore
>         Attachments: backtrace_3878.txt, full.txt
>
>
> This was caught by the Asterisk Test Suite during the bridges/blind_transfer test:
> https://bamboo.asterisk.org/bamboo/browse/AST-ATSARI-90
> When ARI attempts to unsubscribe from the {{last_bridge}}, it crashes as it has a stale pointer to the bridge.
> This is something of a fundamental problem with how we're managing subscriptions to things that ARI doesn't own. The bridge, in this case, can get destroyed at any point: that destruction message *must* tear down the subscription at the same time. A control structure should almost certainly not have a reference to any object that it doesn't own.
> Backtrace is attached to this issue.



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