From 60ec8dbd6974dd8546b736fc9aa5bbb257f8aa2a Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Mon, 7 Nov 2016 14:44:29 -0500
Subject: [PATCH] css: Avoid a crash while parsing radial gradients

has_size does not imply that sizes[0] is != NULL.

(cherry picked from commit aceba7484faf4932442d92d0b2dd0f0466e0afed)
---
 gtk/gtkcssimageradial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtk/gtkcssimageradial.c b/gtk/gtkcssimageradial.c
index 81967c9a80..cfb2740aa4 100644
--- a/gtk/gtkcssimageradial.c
+++ b/gtk/gtkcssimageradial.c
@@ -346,7 +346,7 @@ gtk_css_image_radial_parse (GtkCssImage  *image,
 
   if (has_size && !radial->circle)
     {
-      if (!radial->sizes[1])
+      if (radial->sizes[0] && !radial->sizes[1])
         radial->sizes[1] = _gtk_css_value_ref (radial->sizes[0]);
     }