pg: fix crash when multiple streams are enqueuing to the same next

Only with debug image and when next node is not ethernet-input...

Change-Id: Iaa404b5d35d5c04996ff48cd16877858092b78d7
Signed-off-by: Damjan Marion <damarion@cisco.com>

diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c
index 138a575..019c872 100644 (file)
--- a/src/vnet/pg/input.c
+++ b/src/vnet/pg/input.c
@@ -1632,7 +1632,7 @@ pg_generate_packets (vlib_node_runtime_t * node,
          int i;
          vlib_buffer_t *b;
 
-         for (i = 0; i < VLIB_FRAME_SIZE - n_left; i++)
+         for (i = 0; i < n_this_frame; i++)
            {
              b = vlib_get_buffer (vm, to_next[i]);
              ASSERT ((b->flags & VLIB_BUFFER_NEXT_PRESENT) == 0 ||