[asterisk-bugs] [JIRA] (ASTERISK-19448) ConfBridge crashes Asterisk when no timing module loaded.

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-19448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-19448:
-----------------------------------

    Target Release Version/s: 10.11.0-digiumphones
                              10.11.0
    
> ConfBridge crashes Asterisk when no timing module loaded.
> ---------------------------------------------------------
>
>                 Key: ASTERISK-19448
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-19448
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_confbridge
>    Affects Versions: 10.2.0
>         Environment: Linux. Does not matter I think.
>            Reporter: feyfre
>            Assignee: Richard Mudgett
>      Target Release: 10.11.0, 10.11.0-digiumphones
>
>         Attachments: smfix.patch
>
>
> ConfBridge uses bridge_softmix, which tries to create timer(in softmix_bridge_create function). Fails(ast_timer_open() return NULL value) so bridge initializes self-destruction(with ao2_ref(softmix_data, -1)) which tries to close non-existing timer in softmix_bridge_data_destroy function(softmix_data->timer is NULL and ast_timer_close tries dereference NULL pointer so crash)

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