From 901b77d29e87b056beb70ccfca53f046115b80b4 Mon Sep 17 00:00:00 2001
From: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Tue, 19 Jan 2016 17:56:14 +0100
Subject: renderer: validate desc
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Fix found thanks to american fuzzy lop.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 src/vrend_renderer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
index 78792d7..80641c2 100644
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@@ -1642,6 +1642,10 @@ int vrend_create_vertex_elements_state(struct vrend_context *ctx,
       memcpy(&v->elements[i].base, &elements[i], sizeof(struct pipe_vertex_element));
 
       desc = util_format_description(elements[i].src_format);
+      if (!desc) {
+         FREE(v);
+         return EINVAL;
+      }
 
       type = GL_FALSE;
       if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
-- 
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