From: Damjan Marion <damarion@cisco.com>
Date: Wed, 20 Feb 2019 13:11:51 +0000 (+0100)
Subject: pg: fix crash when multiple streams are enqueuing to the same next
X-Git-Tag: v19.04-rc1~447
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=2768cdc0986dfaccc2da67a57ba08e557f811dcf;p=vpp.git

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 138a5757c83..019c872ed5d 100644
--- 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 ||