[kerx] Fix crash

93269129 · Behdad Esfahbod · 6ee40104 · 93269129
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src/hb-machinery.hh src/hb-machinery.hh +2 -0

未找到文件。
--- a/src/hb-machinery.hh
+++ b/src/hb-machinery.hh
@@ -264,6 +264,8 @@ struct hb_sanitize_context_t :
  {
    reset_object ();
+    if (!obj) return;
    const char *obj_start = (const char *) obj;
    const char *obj_end = (const char *) obj + obj->get_size ();
    assert (obj_start <= obj_end); /* Must not overflow. */