diff --git a/test/localization/locales/locale/locale.cons/assign.pass.cpp b/test/localization/locales/locale/locale.cons/assign.pass.cpp
index 4aca3544..75ce9b56 100644
--- a/test/localization/locales/locale/locale.cons/assign.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/assign.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.ru_RU.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/char_pointer.pass.cpp b/test/localization/locales/locale/locale.cons/char_pointer.pass.cpp
index 8b4509ba..01857a4c 100644
--- a/test/localization/locales/locale/locale.cons/char_pointer.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/char_pointer.pass.cpp
@@ -9,6 +9,7 @@
 
 // REQUIRES: locale.ru_RU.UTF-8
 // REQUIRES: locale.zh_CN.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/copy.pass.cpp b/test/localization/locales/locale/locale.cons/copy.pass.cpp
index 7dd7cf4c..629c9e6b 100644
--- a/test/localization/locales/locale/locale.cons/copy.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/copy.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.fr_FR.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/locale_char_pointer_cat.pass.cpp b/test/localization/locales/locale/locale.cons/locale_char_pointer_cat.pass.cpp
index 6bd1f632..eaadbb9a 100644
--- a/test/localization/locales/locale/locale.cons/locale_char_pointer_cat.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/locale_char_pointer_cat.pass.cpp
@@ -9,6 +9,7 @@
 
 // REQUIRES: locale.en_US.UTF-8
 // REQUIRES: locale.ru_RU.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/locale_facetptr.pass.cpp b/test/localization/locales/locale/locale.cons/locale_facetptr.pass.cpp
index f7349aad..8b83bc0b 100644
--- a/test/localization/locales/locale/locale.cons/locale_facetptr.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/locale_facetptr.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.ru_RU.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/locale_locale_cat.pass.cpp b/test/localization/locales/locale/locale.cons/locale_locale_cat.pass.cpp
index 05d87a48..05f06198 100644
--- a/test/localization/locales/locale/locale.cons/locale_locale_cat.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/locale_locale_cat.pass.cpp
@@ -9,6 +9,7 @@
 
 // REQUIRES: locale.en_US.UTF-8
 // REQUIRES: locale.ru_RU.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/locale_string_cat.pass.cpp b/test/localization/locales/locale/locale.cons/locale_string_cat.pass.cpp
index 34718c8f..66be76d9 100644
--- a/test/localization/locales/locale/locale.cons/locale_string_cat.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/locale_string_cat.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // REQUIRES: locale.ru_RU.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>
 
diff --git a/test/localization/locales/locale/locale.cons/string.pass.cpp b/test/localization/locales/locale/locale.cons/string.pass.cpp
index 6c80df0d..32c3507f 100644
--- a/test/localization/locales/locale/locale.cons/string.pass.cpp
+++ b/test/localization/locales/locale/locale.cons/string.pass.cpp
@@ -9,6 +9,7 @@
 
 // REQUIRES: locale.ru_RU.UTF-8
 // REQUIRES: locale.zh_CN.UTF-8
+// UNSUPPORTED: msan, asan
 
 // <locale>