[asterisk-bugs] [JIRA] (ASTERISK-23990) [patch] app_voicemail crash when using IMAP greetings and forwarding messages

Ben Smithurst (JIRA) noreply at issues.asterisk.org
Wed Jul 9 08:16:59 CDT 2014


     [ https://issues.asterisk.org/jira/browse/ASTERISK-23990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Smithurst updated ASTERISK-23990:
-------------------------------------

    Status: Waiting for Feedback  (was: Waiting for Feedback)

> [patch] app_voicemail crash when using IMAP greetings and forwarding messages
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-23990
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23990
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_voicemail/IMAP
>    Affects Versions: 11.8.1
>            Reporter: Ben Smithurst
>            Assignee: Ben Smithurst
>         Attachments: app_voicemail_crash_fix.diff, bt.txt
>
>
> Asterisk currently crashes when trying to forward a message to another user - I think the combination of IMAP storage + IMAP greetings is the problem.
> What seems to happen is that Asterisk changes to the Greetings folder in the *source* mailbox instead of the destination.  It then doesn't change back, tries to retrieve message X (the one being forwarded) from Greetings, which doesn't exist, and libc-client calls abort().
> The reason appears to be due to the per-thread 'interactive' vmstate storage, Asterisk seems to assume that the per-thread requests will always be for the same mailbox, but when forwarding, that's not true.  So the fix is to check that the imapuser/mailbox/context (as appropriate) matches, when obtaining the interactive per-thread state.
> We can easily reproduce this problem, it appears to happen every time during our tests.



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