shithub: freetype+ttf2subf

Download patch

ref: b5c2172f59f42934b76e4ac607f2c7ef4f049bb4
parent: 5aa2a5c34a40aff4e3c9fc01660f1ac020125eda
author: Werner Lemberg <wl@gnu.org>
date: Fri Jan 7 01:53:44 EST 2022

[sfnt] Avoid 'runtime error: applying zero offset to null pointer'.

* src/sfnt/ttsbit.c (tt_sbit_decoder_load_byte_aligned): Exit early if
`line` is NULL.

--- a/src/sfnt/ttsbit.c

+++ b/src/sfnt/ttsbit.c

@@ -730,6 +730,9 @@

     pitch      = bitmap->pitch;

     line       = bitmap->buffer;

+    if ( !line )

+      goto Exit;

+

     width  = decoder->metrics->width;

     height = decoder->metrics->height;