[asterisk-bugs] [JIRA] (ASTERISK-25738) res_pjsip_pubsub: Crash while executing OutboundSubscriptionDetail ami action

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-25738:
-------------------------------------

    Target Release Version/s: 13.8.0

> res_pjsip_pubsub: Crash while executing OutboundSubscriptionDetail ami action
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-25738
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25738
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_pubsub
>    Affects Versions: 13.7.0
>            Reporter: Kevin Harwell
>            Assignee: Joshua Colp
>            Severity: Minor
>      Target Release: 13.8.0
>
>         Attachments: backtrace_9242.txt
>
>
> Asterisk crashed when trying execute 'OutboundSubscriptionDetail' AMI action. It looks like the sub_tree's evsub structure has not been initialized yet when attempting to reference it. 
> If you look where it crashed:
> {noformat}
> #0  0x00007f601ddffdbb in pjsip_evsub_get_state_name () from /usr/lib/libpjsip-simple.so.2
> #0  0x00007f601ddffdbb in pjsip_evsub_get_state_name () from /usr/lib/libpjsip-simple.so.2
> No symbol table info available.
> #1  0x00007f5fa8503931 in sip_subscription_to_ami (sub_tree=0x7f5ff063f210, buf=0x7f5f65520f18) at res_pjsip_pubsub.c:1532
>         str = "<unknown>\000˧_\177\000\000\000\000\000\000\000\000\000\000\330\016Re_\177\000\000\300\264\250\350'\000\000\000\030\000\000\000\060\000\000\000\300\016Re_\177\
> \000\000\000\016Re_\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\200\016Re_\177\000\000\232\022\020\350_\177\000\000onDetailx\000\000\350_\177\
> \000\000p7P\250_\177\000\000n\234P\250_\177\000\000b\304V\000\000\000\000\000V\211i\000\000\000\000\000\233\323V\000\206\002\000\000\210}i\000\000\000\000\000\030\002\000\00\
> 0\000\000\000\000\001\000\000\000\000\000\000\000}\264! `\177\000\000\020\215`\350_\177\000\000\260\016Re_\177\000\000\307"...
>         id = 0x352bb80
>         __PRETTY_FUNCTION__ = "sip_subscription_to_ami"
> #2  0x00007f5fa8509a62 in ami_subscription_detail (sub_tree=0x7f5ff063f210, ami=0x7f5f65520fc0, event=0x7f5fa850e329 "OutboundSubscriptionDetail") at res_pjsip_pubsub.c:3440
>         buf = 0x7f5fe8608d10
> #3  0x00007f5fa8509b13 in ami_subscription_detail_outbound (sub_tree=0x7f5ff063f210, arg=0x7f5f65520fc0) at res_pjsip_pubsub.c:3455
> No locals.
> #4  0x00007f5fa85037ab in for_each_subscription (on_subscription=0x7f5fa8509ade <ami_subscription_detail_outbound>, arg=0x7f5f65520fc0) at res_pjsip_pubsub.c:1506
> {noformat}
> and also at thread 175 (in the backtrace):
> {noformat}
> Thread 175 (Thread 0x7f5f654a6700 (LWP 9400)):
> #0  pthread_rwlock_unlock () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S:84
> #1  0x0000000000553105 in __ast_rwlock_unlock (filename=0x7f5fa850d1e4 "res_pjsip_pubsub.c", line=1028, func=0x7f5fa850f2b1 <__PRETTY_FUNCTION__.23811> "_dtor_lock", t=0x7f5\
> fa8713630 <subscriptions+16>, name=0x7f5fa850d600 "&(*v)->lock") at lock.c:827
> #2  0x00007f5fa8501bb4 in _dtor_lock (v=0x7f5f654a58e8) at res_pjsip_pubsub.c:1028
> #3  0x00007f5fa8501c53 in add_subscription (obj=0x7f5ff063f210) at res_pjsip_pubsub.c:1028
> #4  0x00007f5fa8502a91 in allocate_subscription_tree (endpoint=0x352b9a8) at res_pjsip_pubsub.c:1257
> #5  0x00007f5fa8502add in create_subscription_tree (handler=0x7f5f6d1da280 <presence_handler>, endpoint=0x352b9a8, rdata=0x7f6007efca18, resource=0x7f5f654a5a00 "291", gener\
> ator=0x7f5f6fea0140 <pidf_body_generator>, tree=0x7f5f654a5aa0, dlg_status=0x7f5f654a5a48) at res_pjsip_pubsub.c:1290
> ...
> {noformat}
>  you'll notice that the subscription it crashed on is also currently in the process of being added. See the attached backtrace for more information.



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