commit ad92e199f221499c19f22dce7a16e7d770ad3ae7

Author: Carsten Pfeiffer <carsten.pfeiffer@gebit.de>

Date:   Fri Aug 10 16:06:20 2018 +0200

    Fix crash in pango_fc_font_key_get_variations() when key is null

diff --git a/pango/pangofc-shape.c b/pango/pangofc-shape.c

index a59ca67c..53269d73 100644

--- a/pango/pangofc-shape.c

+++ b/pango/pangofc-shape.c

@@ -380,8 +380,10 @@ _pango_fc_shape (PangoFont           *font,

 		    fc_font->is_hinted ? ft_face->size->metrics.x_ppem : 0,

 		    fc_font->is_hinted ? ft_face->size->metrics.y_ppem : 0);

-  variations = pango_fc_font_key_get_variations (key);

-  if (variations)

+  if (key)

+  {

+    variations = pango_fc_font_key_get_variations (key);

+    if (variations)

     {

       guint n_variations;

       hb_variation_t *hb_variations;

@@ -391,6 +393,7 @@ _pango_fc_shape (PangoFont           *font,

       g_free (hb_variations);

     }

+  }

   hb_buffer = acquire_buffer (&free_buffer);