From b83d2529e2d5c684d038c24a20bed1f8decc6f0f Mon Sep 17 00:00:00 2001
From: Brad Parker <cbparker@gmail.com>
Date: Thu, 29 Sep 2016 12:25:20 -0400
Subject: [PATCH] break early if we run past the message length

---
 gfx/drivers_font/gl_raster_font.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gfx/drivers_font/gl_raster_font.c b/gfx/drivers_font/gl_raster_font.c
index 93e8323a64..f456fbb5eb 100644
--- a/gfx/drivers_font/gl_raster_font.c
+++ b/gfx/drivers_font/gl_raster_font.c
@@ -326,8 +326,13 @@ static void gl_raster_font_render_line(
          unsigned skip                  = msg_tmp - &msg[i];
 
          if (skip > 1)
+         {
             i += skip - 1;
 
+            if (i >= msg_len)
+               break;
+         }
+
          glyph = font->font_driver->get_glyph(font->font_data, code);
 
          if (!glyph) /* Do something smarter here ... */