On Tue, 2016-08-30 at 15:04 +0200, Peter Meerwald-Stadler wrote: > if data->source is NULL, pa_source_output_new_data_set_source() may fail to set data->source; > the false retval is ignored, leading to a NULL dereference in pa_source_get_state(data->source) below I don't believe NULL dereference is possible. As I explained earlier, it should never happen that data->format is set, but data->source isn't. --Â Tanu