diff --git a/test/lit.cfg b/test/lit.cfg
index f29ae85a09f..9eaeb1f4141 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -95,6 +95,11 @@ for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
     if symbolizer in os.environ:
         config.environment[symbolizer] = os.environ[symbolizer]
 
+# Propagate options for sanitizers.
+for options in ['ASAN_OPTIONS']:
+    if options in os.environ:
+        config.environment[options] = os.environ[options]
+
 ###
 
 import os