matroskademux: Fix off-by-one when parsing multi-channel WavPack

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8058>

diff --git a/subprojects/gst-plugins-good/gst/matroska/matroska-demux.c b/subprojects/gst-plugins-good/gst/matroska/matroska-demux.c
index 9e0de058e64a20cfa8b53eabada50c4bfa8eb60c..2ed77b50d07867d8b8b06489f93e48a88ac8a176 100644 (file)
--- a/subprojects/gst-plugins-good/gst/matroska/matroska-demux.c
+++ b/subprojects/gst-plugins-good/gst/matroska/matroska-demux.c
@@ -3976,7 +3976,7 @@ gst_matroska_demux_add_wvpk_header (GstElement * element,
     data += 4;
     size -= 4;
 
-    while (size > 12) {
+    while (size >= 12) {
       flags = GST_READ_UINT32_LE (data);
       data += 4;
       size -= 4;