[asterisk-bugs] [JIRA] (ASTERISK-29609) Subsequent 'ael reload' will cause a lock up

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=256029#comment-256029 ] 

Asterisk Team commented on ASTERISK-29609:
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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. Please note that log messages and other files should not be sent to the Sangoma Asterisk Team unless explicitly asked for. All files should be placed on this issue in a sanitized fashion as needed.

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> Subsequent 'ael reload' will cause a lock up
> --------------------------------------------
>
>                 Key: ASTERISK-29609
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29609
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/pbx_ael
>    Affects Versions: GIT, 16.15.1, 17.9.3, 18.6.0
>            Reporter: Mark Murawski
>            Severity: Major
>
> Requirements for reproduction of bug:
> - Have a 'decent amount' of ael.  In this case, I have 650 lines of AEL in variety of files.
> Obviously not a 'normal' use case to issue 10 reloads at once, but when multiple scripts/systems might be asking Asterisk to reload at the same time, this could be triggered.
> 5 to 10 reloads should do it!
> vbox-markm-x64 {/etc/asterisk/ael} root# for i in `seq 1 10`; do asterisk -rx "ael reload" &  done
> [1] 12335
> [2] 12336
> [3] 12337
> [4] 12338
> [5] 12339
> [6] 12340
> [7] 12341
> [8] 12342
> [9] 12343
> [10] 12344
> vbox-markm-x64 {/etc/asterisk/ael} root# asterisk -rx "core show locks" | grep "Thread ID" | wc -l
> 12
> Depending what else is running at the time (perhaps pjsip adding hints to dialplan).  This will escallate quickly and lead to a very locked up Asterisk
> The fix is to address the missing reload mutex in pbx_ael.  



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