[asterisk-bugs] [JIRA] (ASTERISK-29196) res_pjsip: Segmentation fault in pj_strdup

[Mauri de Souza Meneguzzo (3CPlus) (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mauri de Souza Meneguzzo (3CPlus) updated ASTERISK-29196:
---------------------------------------------------------

    Frequency of Occurrence: Constant  (was: Frequent)

> res_pjsip: Segmentation fault in pj_strdup
> ------------------------------------------
>
>                 Key: ASTERISK-29196
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29196
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 18.1.0
>            Reporter: Mauri de Souza Meneguzzo (3CPlus)
>
> Asterisk instances running 18.1.0 are crashing with segmentation fault, nothing is shown in the logs besides the segfault.
> After we upgraded to 18.1.0 this issue is happening multiple times a day, going back to 18.0.1 fixed the issue.
> {noformat}
> (gdb) bt
> #0  0x00007fb40787f5bd in pj_strdup (pool=0x7fb37453c490, dst=0x7fb378140b18, src=0x0) at ../include/pj/string_i.h:40
> #1  0x00007fb40782806c in pjmedia_sdp_neg_modify_local_offer2 (pool=0x7fb37453c490, neg=0x7fb3682f0f30, flags=1, local=0x7fb3680d1fb8)
>     at ../src/pjmedia/sdp_neg.c:336
> #2  0x00007fb4077a1d9e in inv_check_sdp_in_incoming_msg (inv=0x7fb3682f0c68, tsx=0x7fb3a8154208, rdata=0x7fb38832d3b8)
>     at ../src/pjsip-ua/sip_inv.c:2084
> #3  0x00007fb4077a5bbd in inv_on_state_early (inv=0x7fb3682f0c68, e=0x7fb2f4ad7a70) at ../src/pjsip-ua/sip_inv.c:4447
> #4  0x00007fb40779f4a3 in mod_inv_on_tsx_state (tsx=0x7fb3a8154208, e=0x7fb2f4ad7a70) at ../src/pjsip-ua/sip_inv.c:736
> #5  0x00007fb4077ec047 in pjsip_dlg_on_tsx_state (dlg=0x7fb3960c48a8, tsx=0x7fb3a8154208, e=0x7fb2f4ad7a70) at ../src/pjsip/sip_dialog.c:2129
> #6  0x00007fb4077ec8b9 in mod_ua_on_tsx_state (tsx=0x7fb3a8154208, e=0x7fb2f4ad7a70) at ../src/pjsip/sip_ua_layer.c:178
> #7  0x00007fb4077e499a in tsx_set_state (tsx=0x7fb3a8154208, state=PJSIP_TSX_STATE_PROCEEDING, event_src_type=PJSIP_EVENT_RX_MSG,
>     event_src=0x7fb38832d3b8, flag=0) at ../src/pjsip/sip_transaction.c:1272
> #8  0x00007fb4077e75a6 in tsx_on_state_proceeding_uac (tsx=0x7fb3a8154208, event=0x7fb2f4ad7b60) at ../src/pjsip/sip_transaction.c:2975
> #9  0x00007fb4077e58fe in pjsip_tsx_recv_msg (tsx=0x7fb3a8154208, rdata=0x7fb38832d3b8) at ../src/pjsip/sip_transaction.c:1832
> #10 0x00007fb4077e3ec1 in mod_tsx_layer_on_rx_response (rdata=0x7fb38832d3b8) at ../src/pjsip/sip_transaction.c:893
> #11 0x00007fb4077c8d4d in pjsip_endpt_process_rx_data (endpt=0x55dc325f63b8, rdata=0x7fb38832d3b8, p=0x7fb3a5c32b00 <param>,
>     p_handled=0x7fb2f4ad7c94) at ../src/pjsip/sip_endpoint.c:938
> #12 0x00007fb3a5c00b33 in distribute (data=0x7fb38832d3b8) at res_pjsip/pjsip_distributor.c:955
> #13 0x000055dc3006a364 in ast_taskprocessor_execute (tps=0x7fb368140060) at taskprocessor.c:1237
> #14 0x000055dc30074160 in execute_tasks (data=0x7fb368140060) at threadpool.c:1354
> #15 0x000055dc3006a364 in ast_taskprocessor_execute (tps=0x55dc325f42e0) at taskprocessor.c:1237
> #16 0x000055dc30071d61 in threadpool_execute (pool=0x55dc325f2ce0) at threadpool.c:367
> #17 0x000055dc3007399b in worker_active (worker=0x7fb3780444d0) at threadpool.c:1137
> #18 0x000055dc3007370a in worker_start (arg=0x7fb3780444d0) at threadpool.c:1056
> #19 0x000055dc3007d486 in dummy_start (data=0x7fb3f41c4e90) at utils.c:1299
> {noformat}



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