[asterisk-bugs] [JIRA] (ASTERISK-25762) TSAN: Data race json unref

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=229355#comment-229355 ] 

Asterisk Team commented on ASTERISK-25762:
------------------------------------------

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].

> TSAN: Data race json unref
> --------------------------
>
>                 Key: ASTERISK-25762
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25762
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 11.13.0
>            Reporter: Badalian Vyacheslav
>
> {code}
> ==================
> WARNING: ThreadSanitizer: data race (pid=22242)
>   Write of size 8 at 0x7d24002e70c0 by thread T21:
>     #0 free <null> (libtsan.so.0+0x000000025da9)
>     #1 json_mem_free /root/asterisk-13.7.0/main/json.c:69 (asterisk+0x0000004d0852)
>     #2 ast_json_unref /root/asterisk-13.7.0/main/json.c:235 (asterisk+0x0000004d0ec2)
>     #3 json_payload_destructor /root/asterisk-13.7.0/main/json.c:801 (asterisk+0x0000004d30f5)
>     #4 internal_ao2_ref /root/asterisk-13.7.0/main/astobj2.c:445 (asterisk+0x0000002cb653)
>     #5 __ao2_ref /root/asterisk-13.7.0/main/astobj2.c:516 (asterisk+0x0000002cba40)
>     #6 __ao2_cleanup /root/asterisk-13.7.0/main/astobj2.c:529 (asterisk+0x0000002cbadc)
>     #7 stasis_message_dtor /root/asterisk-13.7.0/main/stasis_message.c:107 (asterisk+0x00000062a4e5)
>     #8 internal_ao2_ref /root/asterisk-13.7.0/main/astobj2.c:445 (asterisk+0x0000002cb653)
>     #9 __ao2_ref /root/asterisk-13.7.0/main/astobj2.c:516 (asterisk+0x0000002cba40)
>     #10 __ao2_cleanup /root/asterisk-13.7.0/main/astobj2.c:529 (asterisk+0x0000002cbadc)
>     #11 dispatch_exec_async /root/asterisk-13.7.0/main/stasis.c:696 (asterisk+0x000000604362)
>     #12 ast_taskprocessor_execute /root/asterisk-13.7.0/main/taskprocessor.c:782 (asterisk+0x000000648e9b)
>     #13 default_tps_processing_function /root/asterisk-13.7.0/main/taskprocessor.c:183 (asterisk+0x00000064549d)
>     #14 dummy_start /root/asterisk-13.7.0/main/utils.c:1237 (asterisk+0x00000067e255)
>     #15 <null> <null> (libtsan.so.0+0x000000023659)
>   Previous write of size 8 at 0x7d24002e70c0 by main thread (mutexes: write M1374579904853471352):
>     #0 json_decref /usr/include/jansson.h:106 (asterisk+0x0000004d0766)
>     #1 ast_json_unref /root/asterisk-13.7.0/main/json.c:224 (asterisk+0x0000004d0e89)
>     #2 really_quit /root/asterisk-13.7.0/main/asterisk.c:2096 (asterisk+0x0000002bb3b0)
>     #3 quit_handler /root/asterisk-13.7.0/main/asterisk.c:1929 (asterisk+0x0000002baac5)
>     #4 asterisk_daemon /root/asterisk-13.7.0/main/asterisk.c:4738 (asterisk+0x0000002ca84a)
>     #5 main /root/asterisk-13.7.0/main/asterisk.c:4282 (asterisk+0x0000002c93ad)
>   Mutex M1374579904853471352 is already destroyed.
>   Thread T21 (tid=22744, running) created by main thread at:
>     #0 pthread_create <null> (libtsan.so.0+0x000000027b07)
>     #1 ast_pthread_create_stack /root/asterisk-13.7.0/main/utils.c:1290 (asterisk+0x00000067e69e)
>     #2 default_listener_start /root/asterisk-13.7.0/main/taskprocessor.c:200 (asterisk+0x0000006455f8)
>     #3 __allocate_taskprocessor /root/asterisk-13.7.0/main/taskprocessor.c:611 (asterisk+0x000000648086)
>     #4 ast_taskprocessor_get /root/asterisk-13.7.0/main/taskprocessor.c:657 (asterisk+0x000000648273)
>     #5 internal_stasis_subscribe /root/asterisk-13.7.0/main/stasis.c:479 (asterisk+0x000000602b22)
>     #6 stasis_subscribe /root/asterisk-13.7.0/main/stasis.c:510 (asterisk+0x000000602e1b)
>     #7 stasis_message_router_create_internal /root/asterisk-13.7.0/main/stasis_message_router.c:230 (asterisk+0x00000062c40b)
>     #8 stasis_message_router_create /root/asterisk-13.7.0/main/stasis_message_router.c:243 (asterisk+0x00000062c505)
>     #9 manager_subscriptions_init /root/asterisk-13.7.0/main/manager.c:8512 (asterisk+0x00000051c976)
>     #10 subscribe_all /root/asterisk-13.7.0/main/manager.c:8531 (asterisk+0x00000051ca44)
>     #11 __init_manager /root/asterisk-13.7.0/main/manager.c:8788 (asterisk+0x00000051e4fb)
>     #12 init_manager /root/asterisk-13.7.0/main/manager.c:9084 (asterisk+0x000000520a3c)
>     #13 asterisk_daemon /root/asterisk-13.7.0/main/asterisk.c:4656 (asterisk+0x0000002ca324)
>     #14 main /root/asterisk-13.7.0/main/asterisk.c:4282 (asterisk+0x0000002c93ad)
> SUMMARY: ThreadSanitizer: data race ??:0 free
> ==================
> {code}



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