[asterisk-bugs] [JIRA] (ASTERISK-27154) Asterisk crash on stasis publish of channel leaving bridge event

[BJ Weschke (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=237810#comment-237810 ] 

BJ Weschke commented on ASTERISK-27154:
---------------------------------------

This happened in our production environment, so I'm going to have to go through a full SDLC to get the version of Asterisk 13 updated. I do have a DEBUG log from the original event on Sunday evening if it's helpful, but it's fairly large in size. I've taken a cursory look of this particular channel that was coming out of the bridge which triggered the crash, and I can't see anything that different in its lifecycle vs. others like it that come through tens of thousands of times per day. 

> Asterisk crash on stasis publish of channel leaving bridge event
> ----------------------------------------------------------------
>
>                 Key: ASTERISK-27154
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27154
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_ari_device_states, Resources/res_stasis_device_state
>    Affects Versions: 13.7.2
>            Reporter: BJ Weschke
>            Assignee: BJ Weschke
>         Attachments: asterisk-bt.2017-07-23.txt
>
>
> from backtrace
> {noformat}
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
> Core was generated by `/usr/sbin/asterisk -f -vvvg -c'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x0809b16a in INTERNAL_OBJ (user_data=0x15) at astobj2.c:124
> 124             if (AO2_MAGIC != p->priv_data.magic) {
> #0  0x0809b16a in INTERNAL_OBJ (user_data=0x15) at astobj2.c:124
>         p = 0x1
>         __PRETTY_FUNCTION__ = "INTERNAL_OBJ"
> #1  0x0809b833 in internal_ao2_ref (user_data=0x15, delta=1, file=0x824944b "astobj2.c", line=516, func=0x8249694 "__ao2_ref") at astobj2.c:405
>         obj = 0xb132dad0
>         obj_mutex = 0xb1d3b578
>         obj_rwlock = 0xaf6c60e8
>         current_value = 2
>         ret = 1
>         __PRETTY_FUNCTION__ = "internal_ao2_ref"
> #2  0x0809bbb4 in __ao2_ref (user_data=0x15, delta=1) at astobj2.c:516
>         __FUNCTION__ = "__ao2_ref"
> #3  0x081faa4a in publish_msg (topic=0x15, message=0xb1d3b5ac, sync_sub=0x0) at stasis.c:808
>         i = 4294967295
>         __PRETTY_FUNCTION__ = "publish_msg"
> #4  0x081fab30 in stasis_publish (topic=0x15, message=0xb1d3b5ac) at stasis.c:823
> No locals.
> #5  0x081fd837 in bridge_publish_state_from_blob (bridge=0xafbf2c5c, obj=0xae65091c) at stasis_bridges.c:304
>         msg = 0xb1d3b5ac
> #6  0x081fde25 in ast_bridge_publish_leave (bridge=0xafbf2c5c, chan=0xa82b15bc) at stasis_bridges.c:477
>         msg = 0xae41b9ec
> #7  0x080c0ea3 in bridge_channel_internal_pull (bridge_channel=0xa7f6f8cc) at bridge_channel.c:2037
>         bridge = 0xafbf2c5c
>         __PRETTY_FUNCTION__ = "bridge_channel_internal_pull"
> #8  0x080c2745 in bridge_channel_internal_join (bridge_channel=0xa7f6f8cc, cond=0xac047c44) at bridge_channel.c:2692
>         res = 0
>         channel_features = 0x0
>         swap = 0x0
>         __PRETTY_FUNCTION__ = "bridge_channel_internal_join"
> #9  0x080aa0b6 in bridge_channel_ind_thread (data=0xac047c44) at bridge.c:1620
>         cond = 0xac047c44
>         bridge_channel = 0xa7f6f8cc
>         chan = 0xae4053f0
>         __PRETTY_FUNCTION__ = "bridge_channel_ind_thread"
> #10 0x08225d87 in dummy_start (data=0xade21938) at utils.c:1237
>         __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {-1221865484, 0, 4001536, -1351851224, -1046362814, 1574889996}, __mask_was_saved = 0}}, __pad = {0xaf6c63e4, 0x0, 0xb72bd228, 0x16}}
>         __cancel_routine = 0x808f1fd <ast_unregister_thread>
>         __cancel_arg = 0xaf6c6b40
>         __not_first_call = 0
>         ret = 0xb713eff4
>         a = {start_routine = 0x80aa077 <bridge_channel_ind_thread>, data = 0xac047c44, name = 0xae4053a0 "bridge_channel_ind_thread started at [ 1713] bridge.c ast_bridge_impart()"}
> #11 0xb72abd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
> No symbol table info available.
> #12 0xb708887e in clone () from /lib/i386-linux-gnu/libc.so.6
> No symbol table info available.
> {noformat}



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