Don't fail sanitize on NULL data

48146e56 · Behdad Esfahbod · d2c2ca8f · 48146e56
隐藏空白更改
内联并排

Showing with 5 addition and 0 deletion

src/hb-open-type-private.hh src/hb-open-type-private.hh +5 -0

未找到文件。
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -290,6 +290,11 @@ struct Sanitizer

    context->init (blob);

+    if (unlikely (!context->start)) {
+      context->finish ();
+      return blob;
+    }
+
    Type *t = CastP<Type> (const_cast<char *> (context->start));

    sane = t->sanitize (context);