From 553ffaf6823040bf4a91bcd4c8e42592cd4d13c2 Mon Sep 17 00:00:00 2001
From: Qunxin Liu <qxliu@google.com>
Date: Wed, 7 Apr 2021 17:15:32 -0700
Subject: [PATCH] [subset] fix for fuzzer testcase:
 https://oss-fuzz.com/testcase-detail/6382598554255360  avoid writing to null
 pointer

---
 src/hb-ot-layout-gpos-table.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 0b4e75a97..0e389b761 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -347,6 +347,7 @@ struct AnchorFormat1
   {
     TRACE_SERIALIZE (this);
     AnchorFormat1* out = c->embed<AnchorFormat1> (this);
+    if (!out) return_trace (out);
     out->format = 1;
     return_trace (out);
   }