[asterisk-bugs] [JIRA] (ASTERISK-27224) Crash when freeing log message

[Richard Kenner (JIRA)]

Richard Kenner created ASTERISK-27224:
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             Summary: Crash when freeing log message
                 Key: ASTERISK-27224
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27224
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/Logging
    Affects Versions: 14.6.0
         Environment: CentOS 7
            Reporter: Richard Kenner
            Severity: Critical


I have a crash at stringfields.c:94.

See below:

#3  logger_thread (data=data at entry=0x0) at logger.c:1721
1721                            logmsg_free(msg);
(gdb) print *msg
$15 = {type = LOGMSG_NORMAL, level = 4, sublevel = -1, line = 2724, 
  lwp = 30375, callid = 0, __field_mgr_pool = 0x7f9d540cc448, 
  date = 0x7f9d540cc4c0 "Aug 27 19:50:44", 
  file = 0x7f9d540cc4da "rtp_engine.c", 
  function = 0x7f9d540cc4ea "ast_rtp_dtls_cfg_parse", 
  message = 0x7f9d540cc46a "dtlscafile file /etc/pki/tls/certs/server-ca.crt does not exist or is not readable\n", level_name = 0x7f9d540cc4d2 "ERROR", 
  __field_mgr = {last_alloc = 0x7f9d540cc4ea "ast_rtp_dtls_cfg_parse", 
    embedded_pool = 0x7f9d540cc448, string_fields = {elems = 0x7f9d5408f510, 
      max = 5, current = 5}}, list = {next = 0x0}}
(gdb) p msg->__field_mgr.string_fields.elems[0]
$16 = (const char **) 0x696b702f6374652f
(gdb) p $16
$17 = (const char **) 0x696b702f6374652f
(gdb) p *$16
Cannot access memory at address 0x696b702f6374652f



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