1 files changed, 8 insertions, 3 deletions

diff --git a/src/regress/lib/libc/malloc/malloc_general/malloc_general.c b/src/regress/lib/libc/malloc/malloc_general/malloc_general.c
index b90e97ad15..8abc5210ca 100644
--- a/src/regress/lib/libc/malloc/malloc_general/malloc_general.c
+++ b/src/regress/lib/libc/malloc/malloc_general/malloc_general.c
@@ -57,7 +57,7 @@ check(u_char *p, size_t sz)
 int
 main(int argc, char *argv[])
 {
-        int count, p, i;
+        int count, p, r, i;
         void * q;
         size_t sz;
         char mo[20];
@@ -92,7 +92,8 @@ main(int argc, char *argv[])
 #ifdef VERBOSE
                         printf("M %zu=", sz);
 #endif
-                        a[i].p = malloc(sz);
+                        r = arc4random_uniform(2);
+                        a[i].p = r == 0 ? malloc_conceal(sz) : malloc(sz);
                         a[i].sz = sz;
 #ifdef VERBOSE
                         printf("%p\n", a[i].p);
@@ -122,7 +123,11 @@ main(int argc, char *argv[])
         for (i = 0; i < N; i++) {
                 if (a[i].p)
                         check(a[i].p, a[i].sz);
-                free(a[i].p);
+                r = arc4random_uniform(2);
+                if (r)
+                        free(a[i].p);
+                else
+                        freezero(a[i].p, a[i].sz);
         }
         printf("\n");
         return 0;