-DCLIB_DEBUG => turn on extra checks in dlmalloc

[vpp.git] / src / vppinfra / test_vec.c

diff --git a/src/vppinfra/test_vec.c b/src/vppinfra/test_vec.c
index ee17ef1..d60d27b 100644 (file)
--- a/src/vppinfra/test_vec.c
+++ b/src/vppinfra/test_vec.c
@@ -1079,6 +1079,7 @@ test_vec_main (unformat_input_t * input)
   uword help = 0;
   uword big = 0;
   uword align = 0;
+  uword ugly = 0;
 
   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
     {
@@ -1089,6 +1090,7 @@ test_vec_main (unformat_input_t * input)
          && 0 == unformat (input, "dump %d", &g_dump_period)
          && 0 == unformat (input, "help %=", &help, 1)
          && 0 == unformat (input, "big %=", &big, 1)
+         && 0 == unformat (input, "ugly %d", &ugly)
          && 0 == unformat (input, "align %=", &align, 1))
        {
          clib_error ("unknown input `%U'", format_unformat_error, input);
@@ -1096,6 +1098,19 @@ test_vec_main (unformat_input_t * input)
        }
     }
 
+  /* Cause a deliberate heap botch */
+  if (ugly)
+    {
+      u8 *overrun_me = 0;
+      int i;
+
+      vec_validate (overrun_me, 31);
+      for (i = 0; i < vec_len (overrun_me) + ugly; i++)
+       overrun_me[i] = i;
+
+      vec_free (overrun_me);
+    }
+
   if (big)
     {
       u8 *bigboy = 0;