res_pjsip_t38: Make t38_reinvite_response_cb tolerant of NULL channel
t38_reinvite_response_cb can get called by res_pjsip_session's session_inv_on_tsx_state_changed in situations where session->channel is NULL. If it is, the ast_log warning segfaults because it tries to get the channel name from a NULL channel. * Check session->channel and print "unknown channel" when it's NULL. ASTERISK-27236 Reported by: Ross Beer Change-Id: I4326e288d36327f6c79ab52226d54905cdc87dc7
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@ -302,9 +302,9 @@ static int t38_reinvite_response_cb(struct ast_sip_session *session, pjsip_rx_da
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}
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}
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state = t38_state_get_or_alloc(session);
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state = t38_state_get_or_alloc(session);
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if (!state) {
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if (!session->channel || !state) {
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ast_log(LOG_WARNING, "Received response to T.38 re-invite on '%s' but state unavailable\n",
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ast_log(LOG_WARNING, "Received response to T.38 re-invite on '%s' but state unavailable\n",
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ast_channel_name(session->channel));
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session->channel ? ast_channel_name(session->channel) : "unknown channel");
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return 0;
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return 0;
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}
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}
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