diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 5de2f06..f010af8 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -963,6 +963,18 @@
     if_build_succeeded env OPENSSL_CMD="$OPENSSL_LEGACY" GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" tests/compat.sh -e '^$' -f 'NULL\|DES\|RC4\|ARCFOUR'
 }
 
+component_test_memsan_constant_flow () {
+    msg "build: cmake memsan, full config with constant flow testing"
+    scripts/config.pl full
+    scripts/config.pl set MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN
+    scripts/config.pl unset MBEDTLS_AESNI_C # memsan doesn't grok asm
+    CC=clang cmake -D CMAKE_BUILD_TYPE:String=MemSan .
+    make
+
+    msg "test: main suites (memsan constant flow)"
+    make test
+}
+
 component_test_default_no_deprecated () {
     # Test that removing the deprecated features from the default
     # configuration leaves something consistent.