From: Torge Matthies <openglfreak(a)googlemail.com> This gets hit when a wg_parser receives GST_EVENT_FLUSH_START between the wg_parser_stream_get_buffer function return and the wg_parser_stream_release_buffer call. In this case the NULL buffer can be ignored, it does no harm and there is no memory leak from this. --- dlls/winegstreamer/wg_parser.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c index b942273d02b..7253013b6a3 100644 --- a/dlls/winegstreamer/wg_parser.c +++ b/dlls/winegstreamer/wg_parser.c @@ -412,11 +412,12 @@ static NTSTATUS wg_parser_stream_release_buffer(void *args) pthread_mutex_lock(&parser->mutex); - assert(stream->buffer); - - gst_buffer_unmap(stream->buffer, &stream->map_info); - gst_buffer_unref(stream->buffer); - stream->buffer = NULL; + if (stream->buffer) + { + gst_buffer_unmap(stream->buffer, &stream->map_info); + gst_buffer_unref(stream->buffer); + stream->buffer = NULL; + } pthread_mutex_unlock(&parser->mutex); pthread_cond_signal(&stream->event_empty_cond); -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/5917