[asterisk-bugs] [JIRA] (ASTERISK-28765) tcptls API: bad file descriptor when connection fails

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=249877#comment-249877 ] 

Asterisk Team commented on ASTERISK-28765:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

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> tcptls API: bad file descriptor when connection fails
> -----------------------------------------------------
>
>                 Key: ASTERISK-28765
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28765
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_externalivr, Channels/chan_sip/TCP-TLS
>    Affects Versions: 16.3.0
>            Reporter: Jean Aunis - Prescom
>
> When trying to connect to an ExternalIVR() which is not started, a "Bad file descriptor" error is reported.
> Excerpt from the logs:
> {code}
>  -- Executing [2000 at default:1] ExternalIVR("Local/2000 at default-00000000;2", "ivr://127.0.0.1") in new stack
>     -- Called 2000 at default
>        > ExternalIVR received application and arguments: ivr://127.0.0.1
>        > ExternalIVR received options: (null)
>        > Parsing options from: [(null)]
>     -- Answering channel and starting generator
>     -- Local/2000 at default-00000000;1 answered
>        > Launching Wait(1000) on Local/2000 at default-00000000;1
> [Mar  3 11:58:57] ERROR[16427][C-00000001]: tcptls.c:553 ast_tcptls_client_start: Unable to connect IVR to 127.0.0.1:2949: Connection refused
> [Mar  3 11:58:57] ERROR[16427][C-00000001]: iostream.c:569 ast_iostream_close: close() failed: Bad file descriptor
> [Mar  3 11:58:57] ERROR[16427][C-00000001]: app_externalivr.c:529 app_exec: Local/2000 at default-00000000;2: Could not connect to any host.  ExternalIVR failed.
> {code}
> A similar issue happens when using chan_sip with TCP transport.
> It seems that ast_tcptls_client_start closes twice the same file descriptor.
> It can randomly affect Asterisk stability if the same file descriptor is reused in the meantime.



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