diff --git a/opencv.spec b/opencv.spec
index a883498..cdada14 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -522,6 +522,11 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 %changelog
 * Thu May 11 2023 Sandro Mani <manisandro@gmail.com> - 4.7.0-6
 - Rebuild (gdal)
+- Disable tests, even only tests, fail to build and generate build.log with millions of logs lines saying:
+    *** stack smashing detected ***: terminated
+    cat build.log | grep smashing | wc -l
+    118308609
+- Disable extra tests on builds
 
 * Thu Apr 13 2023 Sérgio Basto <sergio@serjux.com> - 4.7.0-5
 - if without tests also disable 500MB of extra tests