[asterisk-bugs] [JIRA] (ASTERISK-25384) Regular Asterisk crashes when using Page application. "user_data is NULL"

[Chet Stevens (JIRA)]

Chet Stevens created ASTERISK-25384:
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             Summary: Regular Asterisk crashes when using Page application. "user_data is NULL"
                 Key: ASTERISK-25384
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25384
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_page
    Affects Versions: 13.5.0, 13.1.0
         Environment: Asterisk certified/13.1-cert3-rc1 (snapshot 88ee3b3 dated 8/31/15)
PJSIP with PJProject 2.4.5
DAHDI 2.10.2
libpri version: 1.4.15
Digium Phone Module for Asterisk Version 13.0_2.2.0
Digium Phone firmware 2_0_1_0_74452
Ubuntu Server 14.04.1 LTS (GNU/Linux 3.13.0-37-generic x86_64) 
HP ProLiant DL380p Gen8 with 16 GB memory 
Wildcard AEX2400: wctdm24xxp+ 
Wildcard TE420 (5th Gen): wct4xxp+
            Reporter: Chet Stevens


We have been experiencing crashes/segfaults in Asterisk on a regular basis on multiple servers when attempting to use the Page application. This happens roughly half the times the application is used. Normally the last thing seen in the log is one or more lines of:
{noformat}
[Sep  9 06:31:21] ERROR[637][C-0000001a] astobj2.c: user_data is NULL
{noformat}

A backtrace, debug for the minute of the crash with previous 100k lines, and an excerpt of the dialplan used for the Page will be attached. For reference the time of the crash is:
{noformat}
Sep  9 06:31:21 0099-Education-Center kernel: [ 4194.978848] asterisk[637]: segfault at 95c ip 0000000000466220 sp 00007fa4578321a0 error 4 in asterisk[400000+2ab000]
{noformat}



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