diff --git a/compiler-rt/test/hwasan/TestCases/Linux/decorate-proc-maps.c b/compiler-rt/test/hwasan/TestCases/Linux/decorate-proc-maps.c
--- a/compiler-rt/test/hwasan/TestCases/Linux/decorate-proc-maps.c
+++ b/compiler-rt/test/hwasan/TestCases/Linux/decorate-proc-maps.c
@@ -51,5 +51,8 @@
   void * volatile res2 = malloc(100000);
   pthread_create(&t, 0, ThreadFn, 0);
   pthread_join(t, 0);
-  return (int)(size_t)res;
+  int ret_val = (int)(size_t)res;
+  free(res);
+  free(res2);
+  return ret_val;
 }
diff --git a/compiler-rt/test/hwasan/TestCases/print-memory-usage.c b/compiler-rt/test/hwasan/TestCases/print-memory-usage.c
--- a/compiler-rt/test/hwasan/TestCases/print-memory-usage.c
+++ b/compiler-rt/test/hwasan/TestCases/print-memory-usage.c
@@ -23,9 +23,10 @@
 }
 
 void *T1(void *arg) {
-
-  for (int i = 1; i <= (1 << 20); i *= 2)
+  for (int i = 1; i <= (1 << 20); i *= 2) {
     sink = malloc_and_use(i);
+    free(sink);
+  }
 
   __sync_fetch_and_add(&state, 1);
   while (__sync_fetch_and_add(&state, 0) != 4) {}