From f92bd86cc8c11d262d1830c631cb7c63fc9d4bc8 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 Nov 2015 23:52:29 -0800
Subject: [PATCH] Don't process lookups if buffer is in error

---
 src/hb-ot-layout.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 275a960..4111004 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -954,7 +954,7 @@ apply_string (OT::hb_apply_context_t *c,
 {
   hb_buffer_t *buffer = c->buffer;
 
-  if (unlikely (!buffer->len || !c->lookup_mask))
+  if (unlikely (buffer->in_error || !buffer->len || !c->lookup_mask))
     return;
 
   c->set_lookup_props (lookup.get_props ());
-- 
2.7.4