[asterisk-bugs] [JIRA] (ASTERISK-27862) ARI: Crashing on json_mem_free (after sending event)

[Stefan Repke (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Repke updated ASTERISK-27862:
------------------------------------

    Attachment: cli.txt
                backtrace 3.txt
                backtrace 2.txt
                backtrace 1.txt

> ARI: Crashing on json_mem_free (after sending event)
> ----------------------------------------------------
>
>                 Key: ASTERISK-27862
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27862
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_stasis
>    Affects Versions: 13.21.0
>            Reporter: Stefan Repke
>         Attachments: backtrace 1.txt, backtrace 2.txt, backtrace 3.txt, cli.txt
>
>
> ARI is activated and there are several apps connected with "subscribeAll=true".
> Then, Asterisk crashes occasionally when delivering ARI events!
> With normal workload, this happens once or twice a day. It can be provoked by adding many (eg. 10) ARI subscribers and producing lots of events (eg. PeerStatusChange by registering/unregistering a peer).
> I coredumped three crashes, all having a memory corruption in {{json_mem_free}} at {{json.c:84}}; cf. attached backtraces.
> * Backtrace 2 and 3 have similar problems: {{double free or corruption (fasttop)}},
> * Backtrace 1 looks like wrong memory access.
> I've also attached the last logger messages from the CLI (debug=5 / verbose=5).



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