From ff6055b1958c8c575271420bc7e43ef032349e8f Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@centricular.com>
Date: Wed, 22 Nov 2017 16:35:46 +0100
Subject: [PATCH] validate-scenario: Handle non-relative switch

Make sure we stay within the number of present streams (and avoid
out-of-bound read).

CID #1415470
---
 validate/gst/validate/gst-validate-scenario.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/validate/gst/validate/gst-validate-scenario.c b/validate/gst/validate/gst-validate-scenario.c
index 11bda7fe53..94d74dc9ec 100644
--- a/validate/gst/validate/gst-validate-scenario.c
+++ b/validate/gst/validate/gst-validate-scenario.c
@@ -1257,7 +1257,8 @@ switch_stream (GstValidatePipelineMonitor * monitor, GstValidateAction * action,
 
   if (relative) {               /* We are changing track relatively to current track */
     index = (current + index) % n;
-  }
+  } else
+    index %= n;
 
   /* Add the new stream we want to switch to */
   s = streams[index];