[asterisk-bugs] [JIRA] (ASTERISK-23147) [patch] main/format.c: find_interface segfault during shutdown

[Corey Farrell (JIRA)]

Corey Farrell created ASTERISK-23147:
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             Summary: [patch] main/format.c: find_interface segfault during shutdown
                 Key: ASTERISK-23147
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23147
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/General
    Affects Versions: 12.0.0, 11.7.0, SVN
            Reporter: Corey Farrell
            Severity: Minor
         Attachments: format-shutdown-segv.patch

find_interface does not check for interfaces==NULL, causing ao2_find to segfault when called after format_attr_shutdown.  This happens when shutting down fast with active channels.

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