X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Ftest_vec.c;h=bc878eef51804607f88f8f2b56133c9056caad66;hb=7d476e03aa3832c4c5b2ec7fafbceddc070fd5d9;hp=ee17ef142447a1ec3fd876b822f1ddbf1f58177e;hpb=6a5adc369591fcac2447e9809deaa22f56b53911;p=vpp.git

diff --git a/src/vppinfra/test_vec.c b/src/vppinfra/test_vec.c
index ee17ef14244..bc878eef518 100644
--- a/src/vppinfra/test_vec.c
+++ b/src/vppinfra/test_vec.c
@@ -124,7 +124,7 @@ uword g_call_stats[OP_MAX];
 
 
 /* A structure for both vector headers and vector elements might be useful to
-   uncover potential alignement issues. */
+   uncover potential alignment issues. */
 
 typedef struct
 {
@@ -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;
@@ -1158,8 +1173,6 @@ main (int argc, char *argv[])
 
   clib_mem_init (0, 3ULL << 30);
 
-  //  mheap_alloc (0, (uword) 10ULL << 30);
-
   verbose = (argc > 1);
   unformat_init_command_line (&i, argv);
   ret = test_vec_main (&i);