[asterisk-bugs] [JIRA] (ASTERISK-28086) chan_pjsip: Crash when initiating PlayDTMF over AMI

[Jeremiah Gadd (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremiah Gadd updated ASTERISK-28086:
-------------------------------------

    Affects Version/s: 15.6.1

> chan_pjsip: Crash when initiating PlayDTMF over AMI
> ---------------------------------------------------
>
>                 Key: ASTERISK-28086
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28086
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip, Resources/res_pjsip_session
>    Affects Versions: 13.14.1, 13.19.0, 15.6.1
>         Environment: Gentoo (physical), Debian (AWS)
>            Reporter: Jeremiah Gadd
>            Severity: Minor
>              Labels: pjsip
>         Attachments: asterisk-13-14-1-ASTERISK-28086-results.tar.gz, core.13-23-1-ASTERISK-28086-results.tar.gz, core-20180926-094817-brief.txt, core-20180926-094817-full.txt, core-20180926-094817-locks.txt, core-20180926-094817-thread1.txt
>
>
> It appears there may be a race condition in which PJSIP attempts to end the sending of a DTMF tone after a bridge is destroyed, causing PJSIP to try to send to a non-existent channel.
> I've attached the corresponding core dumps.
> Thread 1 (Thread 0x7f45562ef700 (LWP 3781)):
> #0  0x00007f49d9b49233 in ?? () from /usr/lib64/asterisk/modules/chan_pjsip.so
> #1  0x00000000004b5fe7 in ast_senddigit_end ()
> #2  0x00007f49da56d29c in ?? () from /usr/lib64/asterisk/modules/app_senddtmf.so
> #3  0x000000000054ce1e in ?? ()
> #4  0x000000000054fbaa in ?? ()
> #5  0x00000000005dd2dd in ?? ()
> #6  0x00000000005eb91a in ?? ()
> #7  0x00007f4a6a065f3a in __pthread_mutex_unlock_full () from /lib64/libpthread.so.0
> #8  0xb5e6219ff3277d21 in ?? ()
> #9  0x0000000000000000 in ?? ()



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