[asterisk-bugs] [JIRA] (ASTERISK-21349) CLI command 'module load' attempts to free unallocated memory on tab completion

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-21349:
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             Summary: CLI command 'module load' attempts to free unallocated memory on tab completion
                 Key: ASTERISK-21349
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21349
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/General
    Affects Versions: SVN
            Reporter: Jonathan Rose


I discovered this while working on something with don't optimize and malloc debug enabled. I can confirm that these warnings don't appear normally without malloc debug. Reproduction is simple:

1. run asterisk. type 'module load'
2. attempt to tab complete
3. watch the errors spew out at a rate of one per tab completed item

error messages appear in the following form:
WARNING: Freeing unregistered memory <address> by cli.c complete_fn() line 253

If you add some characters to reduce the number of matches against tab completion, the number of error messages decreases.

The problem does not occur in 1.8. It does occur in trunk r383579 (most recent version at the time of report) and in 11 r383601.

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