[asterisk-bugs] [JIRA] (ASTERISK-29192) Asterisk service is crashing in the pjsip transport functions due to callback are NULL.

Thu Dec 3 02:12:16 CST 2020

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=252906#comment-252906 ] 

Asterisk Team commented on ASTERISK-29192:
------------------------------------------

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> Asterisk service is crashing in the pjsip transport functions due to callback are NULL.
> ---------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-29192
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29192
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 16.3.0
>         Environment: Cent os 8
>            Reporter: Badareenadh Rangisetti
>            Severity: Blocker
>
> Asterisk service is crashing for the pjsip transport functions due to callback pointers are NULL. 
> File: sip_transport.c
> Function: pjsip_transport_send
> Code snippet:
> /* Send to transport. */
>     status = (*tr->send_msg)(tr, tdata,  addr, addr_len, (void*)tdata,
>                  &transport_send_callback);
> Here function pointer *tr->send_msg is NULL.
> GDB details:
> (gdb) bt
> #0  0x0000000000000000 in ?? ()
> #1  0x00007f81ff832e9d in pjsip_transport_send (tr=0x10aea08, tdata=tdata at entry=0x7f7fd822d278, addr=addr at entry=0x7f7fd822d468,
>     addr_len=addr_len at entry=16, token=token at entry=0x7f7fd8249ef8, cb=cb at entry=0x7f81ff82d2e0 <stateless_send_transport_cb>)
>     at ../src/pjsip/sip_transport.c:898
> #2  0x00007f81ff82d01f in stateless_send_transport_cb (token=token at entry=0x7f7fd8249ef8, tdata=tdata at entry=0x7f7fd822d278,
>     sent=<optimized out>, sent at entry=-70002) at ../src/pjsip/sip_util.c:1270
> #3  0x00007f81ff82d389 in stateless_send_transport_cb (sent=-70002, tdata=0x7f7fd822d278, token=0x7f7fd8249ef8) at ../src/pjsip/sip_util.c:1371
> #4  stateless_send_resolver_callback (status=<optimized out>, status at entry=0, token=token at entry=0x7f7fd8249ef8, addr=addr at entry=0x7f804acf09e0)
>     at ../src/pjsip/sip_util.c:1371
> #5  0x00007f81a1d3c111 in sip_resolve (resolver=<optimized out>, pool=<optimized out>, target=0x7f804acf3990, token=0x7f7fd8249ef8,
>     cb=0x7f81ff82d2f0 <stateless_send_resolver_callback>) at res_pjsip/pjsip_resolver.c:527
> #6  0x00007f81ff830acf in pjsip_resolve (resolver=0xd88eb0, pool=0x7f7fd822d1d0, target=target at entry=0x7f804acf3990,
>     token=token at entry=0x7f7fd8249ef8, cb=cb at entry=0x7f81ff82d2f0 <stateless_send_resolver_callback>) at ../src/pjsip/sip_resolve.c:207
> #7  0x00007f81ff82c6f9 in pjsip_endpt_resolve (endpt=endpt at entry=0xc32fb8, pool=<optimized out>, target=target at entry=0x7f804acf3990,
>     token=token at entry=0x7f7fd8249ef8, cb=cb at entry=0x7f81ff82d2f0 <stateless_send_resolver_callback>) at ../src/pjsip/sip_endpoint.c:1200
> #8  0x00007f81ff82ed8d in pjsip_endpt_send_request_stateless (endpt=0xc32fb8, tdata=tdata at entry=0x7f7fd822d278,
>     token=token at entry=0x7f814812b8a8, cb=cb at entry=0x7f81ff8428e0 <send_msg_callback>) at ../src/pjsip/sip_util.c:1415
> #9  0x00007f81ff8415f8 in tsx_send_msg (tdata=0x7f7fd822d278, tsx=0x7f814812b8a8) at ../src/pjsip/sip_transaction.c:2224
> #10 tsx_send_msg (tsx=0x7f814812b8a8, tdata=0x7f7fd822d278) at ../src/pjsip/sip_transaction.c:2106
> #11 0x00007f81ff8418e8 in tsx_on_state_null (event=<optimized out>, tsx=0x7f814812b8a8) at ../src/pjsip/sip_transaction.c:2456
> #12 tsx_on_state_null (tsx=0x7f814812b8a8, event=<optimized out>) at ../src/pjsip/sip_transaction.c:2416
> #13 0x00007f81ff844847 in pjsip_tsx_send_msg (tsx=0x7f814812b8a8, tdata=tdata at entry=0x7f7fd822d278) at ../src/pjsip/sip_transaction.c:1794
> #14 0x00007f81ff84695d in pjsip_dlg_send_request (dlg=0x7f81e853cd28, tdata=tdata at entry=0x7f7fd822d278, mod_data_id=<optimized out>,
>     mod_data=mod_data at entry=0x7f7fd819a8c8) at ../src/pjsip/sip_dialog.c:1288
> #15 0x00007f81ff80e465 in pjsip_inv_send_msg (tdata=0x7f7fd822d278, inv=0x7f8154387db8) at ../src/pjsip-ua/sip_inv.c:3238
> #16 pjsip_inv_send_msg (inv=0x7f8154387db8, tdata=tdata at entry=0x7f7fd822d278) at ../src/pjsip-ua/sip_inv.c:3184
> #17 0x00007f819b9ce598 in ast_sip_session_send_request_with_cb (session=session at entry=0x7f7f7c16a340, tdata=0x7f7fd822d278,
>     on_response=on_response at entry=0x0) at res_pjsip_session.c:2075
> #18 0x00007f819b9cf237 in ast_sip_session_send_request (session=session at entry=0x7f7f7c16a340, tdata=<optimized out>) at res_pjsip_session.c:2082
> #19 0x00007f81926b1fab in call (data=0x7f7f50004380) at chan_pjsip.c:2638
> #20 0x0000000000576f6e in ast_taskprocessor_execute ()
> #21 0x000000000057d2b0 in execute_tasks ()
> #22 0x0000000000576f6e in ast_taskprocessor_execute ()
> #23 0x000000000057db80 in worker_start ()
> #24 0x0000000000584ca9 in dummy_start ()
> #25 0x00007f81fd3572de in start_thread () from /lib64/libpthread.so.0
> #26 0x00007f81fc8a4133 in __libc_ifunc_impl_list () from /lib64/libc.so.6

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