1 files changed, 28 insertions, 0 deletions
diff --git a/gfx/cairo/max-font-size.patch b/gfx/cairo/max-font-size.patch
new file mode 100644
index 000000000..99be23906
--- /dev/null
+++ b/gfx/cairo/max-font-size.patch
@@ -0,0 +1,28 @@
+diff --git a/gfx/cairo/cairo/src/cairo-ft-font.c b/gfx/cairo/cairo/src/cairo-ft-font.c
+--- a/gfx/cairo/cairo/src/cairo-ft-font.c
++++ b/gfx/cairo/cairo/src/cairo-ft-font.c
+@@ -63,6 +63,10 @@
+ /* This is the max number of FT_face objects we keep open at once
+  */
+ #define MAX_OPEN_FACES 10
++
++/* This is the maximum font size we allow to be passed to FT_Set_Char_Size
++ */
++#define MAX_FONT_SIZE 1000
+ 
+ /*
+  * The simple 2x2 matrix is converted into separate scale and shape
+@@ -682,9 +686,11 @@ _cairo_ft_unscaled_font_set_scale (cairo
+     FT_Set_Transform(unscaled->face, &mat, NULL);
+ 
+     if ((unscaled->face->face_flags & FT_FACE_FLAG_SCALABLE) != 0) {
++	double x_scale = MIN(sf.x_scale, MAX_FONT_SIZE);
++	double y_scale = MIN(sf.y_scale, MAX_FONT_SIZE);
+ 	error = FT_Set_Char_Size (unscaled->face,
+-				  sf.x_scale * 64.0 + .5,
+-				  sf.y_scale * 64.0 + .5,
++				  x_scale * 64.0 + .5,
++				  y_scale * 64.0 + .5,
+ 				  0, 0);
+ 	if (error)
+ 	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);