[asterisk-bugs] [JIRA] (ASTERISK-27847) Asterisk Crashes (Excessive refcount)

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=243374#comment-243374 ] 

Asterisk Team commented on ASTERISK-27847:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Asterisk Crashes (Excessive refcount)
> -------------------------------------
>
>                 Key: ASTERISK-27847
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27847
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/CodecHandling, Sounds
>    Affects Versions: 13.21.0
>            Reporter: Jestin Philip
>              Labels: pjsip
>
> We have an asterisk system with 1009 sip extensions. Around 600 are registered. 
> We get around 100 active channels/50 active calls at the same time.
> Recently asterisk started to crash frequently with the following error on the CLI
> [May 10 14:56:42] ERROR[14464][C-0000080f]: astobj2.c:518 __ao2_ref: Excessive refcount 100000 reached on ao2 object 0x12f5628
> [May 10 14:56:42] ERROR[14464][C-0000080f]: astobj2.c:518 __ao2_ref: FRACK!, Failed assertion Excessive refcount 100000 reached on ao2 object 0x12f5628 (0)
> Got 14 backtrace records
> #0: [0x60d01e] main/utils.c:2487 __ast_assert_failed() (0x60cf96+88)
> #1: [0x45d823] main/astobj2.c:437 internal_ao2_ref()
> #2: [0x45db98] main/astobj2.c:519 __ao2_ref() (0x45db67+31)
> #3: [0x528113] main/frame.c:348 ast_frdup() (0x527ea7+26C)
> #4: [0x4641bd] main/audiohook.c:341 audiohook_read_frame_both()
> #5: [0x464470] main/audiohook.c:396 audiohook_read_frame_helper()
> #6: [0x46469b] main/audiohook.c:452 ast_audiohook_read_frame_all() (0x464651+4A)
> #7: [0x7fa936b14ddb] apps/app_mixmonitor.c:693 mixmonitor_thread()
> #8: [0x609a8f] main/utils.c:1239 dummy_start()
> We also get a similar error whenever we do a module reload
> [May 10 14:58:49] ERROR[16049]: astobj2.c:518 __ao2_ref: Excessive refcount 100000 reached on ao2 object 0xc808b8
> [May 10 14:58:49] ERROR[16049]: astobj2.c:518 __ao2_ref: FRACK!, Failed assertion Excessive refcount 100000 reached on ao2 object 0xc808b8 (0)
> Got 28 backtrace records
> #0: [0x60d01e] main/utils.c:2487 __ast_assert_failed() (0x60cf96+88)
> #1: [0x45d823] main/astobj2.c:437 internal_ao2_ref()
> #2: [0x45db98] main/astobj2.c:519 __ao2_ref() (0x45db67+31)
> #3: [0x525541] main/format_cap.c:226 __ast_format_cap_append() (0x5254c9+78)
> #4: [0x567e95] main/media_index.c:335 update_file_format_info()
> #5: [0x567f63] main/media_index.c:363 process_media_file()
> #6: [0x5689bb] main/media_index.c:507 process_file()
> #7: [0x568da3] main/media_index.c:577 media_index_update()
> #8: [0x568d52] main/media_index.c:564 media_index_update()
> #9: [0x568ce7] main/media_index.c:560 media_index_update()
> #10: [0x568e6d] main/media_index.c:591 ast_media_index_update() (0x568e45+28)
> #11: [0x5d42cd] main/sounds.c:106 update_index_cb()
> #12: [0x45e9d9] main/astobj2_container.c:354 internal_ao2_traverse()
> #13: [0x45ed0b] main/astobj2_container.c:456 __ao2_callback() (0x45ecac+5F)
> #14: [0x5d43f5] main/sounds.c:138 ast_sounds_reindex() (0x5d42fc+F9)
> #15: [0x53cba8] main/loader.c:1017 ast_module_reload() (0x53c96e+23A)
> #16: [0x4d36b0] main/cli.c:274 handle_reload()
> #17: [0x4dc6cb] main/cli.c:2808 ast_cli_command_full() (0x4dc457+274)
> #18: [0x7fa960fde53f] res/res_clialiases.c:149 cli_alias_passthrough()
> #19: [0x4dc6cb] main/cli.c:2808 ast_cli_command_full() (0x4dc457+274)
> #20: [0x4dc82f] main/cli.c:2835 ast_cli_command_multiple_full() (0x4dc797+98)
> #21: [0x455631] main/asterisk.c:1549 netconsole()
> #22: [0x609a8f] main/utils.c:1239 dummy_start()
> Could it be we just have too many sip extensions ? We use chan_sip and not chan_pjsip.



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