diff --git a/src/tests/vm/mmap-overlap.ck b/src/tests/vm/mmap-overlap.ck
new file mode 100644
index 0000000000000000000000000000000000000000..f13801e7a806226ce90d88bb3bd8926591c9ef57
--- /dev/null
+++ b/src/tests/vm/mmap-overlap.ck
@@ -0,0 +1,13 @@
+# -*- perl -*-
+use strict;
+use warnings;
+use tests::tests;
+check_expected (IGNORE_EXIT_CODES => 1, [<<'EOF']);
+(mmap-overlap) begin
+(mmap-overlap) open "zeros" once
+(mmap-overlap) mmap "zeros"
+(mmap-overlap) open "zeros" again
+(mmap-overlap) try to mmap "zeros" again
+(mmap-overlap) end
+EOF
+pass;