[asterisk-bugs] [JIRA] (ASTERISK-26719) Only up to 127 includes in a dialplna context (AST_PBX_MAX_STACK - 1)

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=234632#comment-234632 ] 

Asterisk Team commented on ASTERISK-26719:
------------------------------------------

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.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Only up to 127 includes in a dialplna context (AST_PBX_MAX_STACK - 1)
> ---------------------------------------------------------------------
>
>                 Key: ASTERISK-26719
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26719
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 13.13.1
>            Reporter: Tzafrir Cohen
>            Severity: Minor
>
> I'm not sure if this is a bug or a legitimate limitations. Looking at the code, I'm not really sure. Following some issues of a customer and some toying I noticed that whereas it's OK to have a context with arbitrary number of includes (and have its content be properly reported via 'dialplan show exten-foo at context-bar') I fail to originate a call from such an extension.
> I created a script to generate a context with arbitrary number of includes. It will be attached to the bug report. For example, here is the output of the script for two extensions:
> {code}
> [context-no-1]
> exten => exten-no-1,1,Answer()
> [context-no-2]
> exten => exten-no-2,1,Answer()
> [context-all]
> include => context-no-1
> include => context-no-2
> {code}
> I #include-d the output of that script into extensions.conf, reloaded the dialplan, and tried:
> {code}
> asterisk -rx 'dialplan originate Local/exten-no-NN at context-all application Wait'
> If I generated a context larger than 127 extensions, I started getting the error message:
> {code}
> WARNING[15164][C-0000000a]: pbx.c:2461 pbx_find_extension: Maximum PBX stack exceeded
> {code}
> one for each include beyond 127. Furthermore, if the number (NN) I try is beyond 127, I fail to originate the channel.
> Looking at the code, I'm not completely sure if this is indeed how it is supposed to work. Are all includes supposed to be on the stack?
> And anyway, the error message is confusing. Maybe: "Maximum PBX stack exceeded. Too many includes while looking for ${exten}@${context}"?



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