X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Ftest_vec.c;h=d60d27b2ad245f4dff14411d68ab3179d33bd5a4;hb=2108c0c6daeb39a0619ace66189cc20e049a3c79;hp=ee17ef142447a1ec3fd876b822f1ddbf1f58177e;hpb=6a5adc369591fcac2447e9809deaa22f56b53911;p=vpp.git

diff --git a/src/vppinfra/test_vec.c b/src/vppinfra/test_vec.c
index ee17ef14244..d60d27b2ad2 100644
--- 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;