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res_pjsip_session: Fix segv in session_on_rx_response

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session_on_rx_response wasn't checking for a NULL dialog before
attempting to get the invite session from it.

Change-Id: Id13534375966cc2eb7f2b55717c9813c63c10065
This commit is contained in:
George Joseph
2020-07-09 08:56:50 -06:00
parent 312c23b0e1
commit e88beedd08
1 changed files with 1 additions and 1 deletions
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2
res/res_pjsip_session.c
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@@ -3470,7 +3470,7 @@ static pj_bool_t session_on_rx_response(pjsip_rx_data *rdata)
struct pjsip_status_line status = rdata->msg_info.msg->line.status; struct pjsip_status_line status = rdata->msg_info.msg->line.status;
pjsip_dialog *dlg = pjsip_rdata_get_dlg(rdata); pjsip_dialog *dlg = pjsip_rdata_get_dlg(rdata);
pjsip_inv_session *inv_session = pjsip_dlg_get_inv_session(dlg); pjsip_inv_session *inv_session = dlg ? pjsip_dlg_get_inv_session(dlg) : NULL;
struct ast_sip_session *session = (inv_session ? inv_session->mod_data[session_module.id] : NULL); struct ast_sip_session *session = (inv_session ? inv_session->mod_data[session_module.id] : NULL);
SCOPE_ENTER(1, "%s Method: %.*s Status: %d\n", ast_sip_session_get_name(session), SCOPE_ENTER(1, "%s Method: %.*s Status: %d\n", ast_sip_session_get_name(session),
(int)rdata->msg_info.cseq->method.name.slen, rdata->msg_info.cseq->method.name.ptr, status.code); (int)rdata->msg_info.cseq->method.name.slen, rdata->msg_info.cseq->method.name.ptr, status.code);