[asterisk-bugs] [JIRA] (ASTERISK-21229) crash in res_clialiases on reload

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-21229:
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             Summary: crash in res_clialiases on reload
                 Key: ASTERISK-21229
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21229
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_clialiases
    Affects Versions: 11.2.1
            Reporter: Jaco Kroon
            Severity: Critical


Not sure what triggered it, but I got a backtrace that crashed in the hash function for res_clialises, after some static analysis of the code I found that the load_config() function doesn't verify the result of ast_cli_register - which in the case of error de-allocates (it re-allocates cli_entry->command) cli_entry->command and then sets it to NULL, which in turn is used in the hash function to compute the hash.

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