[asterisk-bugs] [JIRA] Updated: (ASTERISK-20237) Assert failure in res_rtp_asterisk calling pj_mutex_unlock after a few calls

[Jeremy Pepper (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremy Pepper updated ASTERISK-20237:
-------------------------------------

    Component/s: Resources/res_rtp_asterisk
        Summary: Assert failure in res_rtp_asterisk calling pj_mutex_unlock after a few calls  (was: Assert failure in chan_sip calling pj_mutex_unlock after a few calls)

> Assert failure in res_rtp_asterisk calling pj_mutex_unlock after a few calls
> ----------------------------------------------------------------------------
>
>                 Key: ASTERISK-20237
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20237
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Resources/res_rtp_asterisk
>    Affects Versions: 11.0.0-beta1
>         Environment: Ubuntu 10.04.1 LTS
>            Reporter: Jeremy Pepper
>
> I have a single SIP account configured to register a softphone to a test server. After making a few calls, I invariably get this error:
> {noformat}
> asterisk: ../src/pj/os_core_unix.c:1276: pj_mutex_unlock: Assertion `mutex->owner == pj_thread_this()' failed.
> Aborted (core dumped)
> {noformat}
> GDB provides this backtrace:
> {noformat}
> #0  0xb7857430 in __kernel_vsyscall ()
> #1  0xb7718651 in *__GI_raise (sig=6)
>     at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> #2  0xb771ba82 in *__GI_abort () at abort.c:92
> #3  0xb7711718 in *__GI___assert_fail (
>     assertion=0xb5facce4 "mutex->owner == pj_thread_this()", 
>     file=0xb5faca78 "../src/pj/os_core_unix.c", line=1276, 
>     function=0xb5face18 "pj_mutex_unlock") at assert.c:81
> #4  0xb5f9788e in pj_mutex_unlock (mutex=0xb78443ec)
>     at ../src/pj/os_core_unix.c:1276
> #5  0xb5f9710d in pj_atomic_get (atomic_var=0x93ba440)
>     at ../src/pj/os_core_unix.c:888
> #6  0xb5f7fbb8 in pj_stun_session_destroy (sess=0x93b9e4c)
>     at ../src/pjnath/stun_session.c:542
> #7  0xb5f75c9a in destroy_ice (ice=0x93cf29c, reason=0)
>     at ../src/pjnath/ice_session.c:474
> #8  0xb5f75db3 in pj_ice_sess_destroy (ice=0x93cf29c)
>     at ../src/pjnath/ice_session.c:503
> #9  0xb5f687f4 in ast_rtp_destroy (instance=0x93bb0bc)
>     at res_rtp_asterisk.c:1236
> #10 0x081908a9 in instance_destructor (obj=0x93bb0bc) at rtp_engine.c:212
> #11 0x0808f486 in internal_ao2_ref (user_data=<value optimized out>, 
>     delta=<value optimized out>, file=<value optimized out>, line=539, 
>     func=0x81f496e "__ao2_ref") at astobj2.c:461
> #12 0x0818eeb9 in ast_rtp_instance_destroy (instance=0x93bb0bc)
>     at rtp_engine.c:231
> #13 0xb654dc98 in __sip_destroy (p=0x93b23cc, lockowner=1, lockdialoglist=1)
>     at chan_sip.c:6152
> #14 0xb654e74d in sip_destroy (p=0x93b23cc) at chan_sip.c:6430
> #15 0xb654fdbe in sip_destroy_fn (p=0x93b23cc) at chan_sip.c:6419
> #16 0x0808f486 in internal_ao2_ref (user_data=<value optimized out>, 
>     delta=<value optimized out>, file=<value optimized out>, line=539, 
>     func=0x81f496e "__ao2_ref") at astobj2.c:461
> #17 0xb652ce4a in dialog_unref_debug (p=0x0, 
>     tag=0xb65d61e0 "Let's unbump the count in the unlink so the poor pvt can disappear if it is time", file=0xb65cac48 "chan_sip.c", line=3171, 
>     func=0xb65d3e89 "dialog_unlink_all") at chan_sip.c:2329
> #18 0xb6540437 in dialog_unlink_all (dialog=0x93b23cc) at chan_sip.c:3171
> #19 0xb6540d1f in dialog_needdestroy (dialogobj=0x93b23cc, arg=0x0, flags=6)
>     at chan_sip.c:18591
> #20 0x08091334 in internal_ao2_callback (c=<value optimized out>, 
>     flags=<value optimized out>, cb_fn=<value optimized out>, arg=0x0, 
>     data=0x0, type=DEFAULT, tag=0x0, file=0x0, line=0, func=0x0)
>     at astobj2.c:1083
> #21 0x08091a1a in __ao2_callback (c=0x8f196ec, flags=6, 
>     cb_fn=0xb6540ab0 <dialog_needdestroy>, arg=0x0) at astobj2.c:1188
> #22 0xb6594f96 in do_monitor (data=0x0) at chan_sip.c:28033
> #23 0x081d2cab in dummy_start (data=0x8f26fa8) at utils.c:1026
> #24 0xb738b96e in start_thread (arg=0xb6653b70) at pthread_create.c:300
> #25 0xb77bb98e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
> {noformat}
> I can't reproduce the issue with thread debugging enabled and optimization disabled.

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