[asterisk-bugs] [JIRA] (ASTERISK-21656) Segfault in app_confbridge while stress testing

Rusty Newton (JIRA) noreply at issues.asterisk.org
Fri Apr 19 12:19:02 CDT 2013


Rusty Newton created ASTERISK-21656:
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             Summary: Segfault in app_confbridge while stress testing
                 Key: ASTERISK-21656
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21656
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_confbridge
    Affects Versions: 11.4.0
         Environment: Redhat EL 6.4 kernel 2.6.32-358.2.1.el6.x86_64
            Reporter: Robert McGilvray
            Severity: Critical


Asterisk Segfaults during stress testing against ConfBridge. It seems to be triggered by a combination of admin/marked and nonadmin/unmarked joining and leaving a single conference.

It is easily reproduced using SIPP with 100 calls. I've included the dialplan but essentially 100 calls are generated, half use an admin profile and the other half a participant. They are randomly joining 64 bridges for 30s and it crashes every time. 

Program terminated with signal 11, Segmentation fault.
#0  0x00007f699bac0d91 in conf_remove_user_waiting (conference_bridge=0x7f690805aeb8, cbu=0x7f6980681fc0) at app_confbridge.c:3060
3060    AST_LIST_REMOVE(&conference_bridge->waiting_list, cbu, list);
#0  0x00007f699bac0d91 in conf_remove_user_waiting (conference_bridge=0x7f690805aeb8, cbu=0x7f6980681fc0) at app_confbridge.c:3060
        __prev = 0x6361632f6266636f
        __elm = 0x7f6980681fc0



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