[asterisk-bugs] [JIRA] (ASTERISK-25087) Asterisk segfault when using Directory application with alias option.

[Chet Stevens (JIRA)]

Chet Stevens created ASTERISK-25087:
---------------------------------------

             Summary: Asterisk segfault when using Directory application with alias option.
                 Key: ASTERISK-25087
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25087
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_directory
    Affects Versions: 13.1.0
         Environment: Asterisk 13.1-cert2 
Ubuntu Server 14.04.1 LTS (GNU/Linux 3.13.0-35-generic x86_64) 
HP ProLiant DL380p Gen8 with 16 GB memory 
Wildcard AEX2400: wctdm24xxp+ 
            Reporter: Chet Stevens


If the Directory application is called with the 'a' (alias) option then the Asterisk process stops with a segfault the moment the caller presses a DTMF key. The Directory application works normally if the 'a' option is not used. Reproduced with latest snapshot from certified/13.1 as well.

Backtrace will be attached. Last 10k lines of debug will be attached.

For reference the segfault was at:
{noformat}
May 14 11:43:19 Cherry-Red kernel: [1833492.105879] show_signal_msg: 24 callbacks suppressed
May 14 11:43:19 Cherry-Red kernel: [1833492.105885] asterisk[14204]: segfault at 0 ip 00007f815b4fb331 sp 00007f80f282d160 error 4 in libc-2.19.so[7f815b468000+1bb000]
{noformat}

Called application using the following dialplan:
{noformat}
exten => 2,1,NoOp()
same => n,Set(current_menu=2,1)
same => n,Set(CHANNEL(language)=system_prompts/directory)
same => n,Wait(1)
same => n,Directory(,${CONTEXT},fa)
same => n,Set(CHANNEL(language)=)
same => n,Background(user_prompts/751)
same => n,WaitExten(5)
{noformat}

The Directory works as expected if we use:
{noformat}
same => n,Directory(,${CONTEXT},f)
{noformat}

Problem appears to be 100% reproducible once the 'a' option is added.



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