From bcf1bd5c9e87df127f1647867574737e6e1674b0 Mon Sep 17 00:00:00 2001
From: FujiZ <i@fujiz.me>
Date: Tue, 26 Nov 2019 04:52:42 +0800
Subject: [PATCH] read vtable size through ReadScalar() (#5636)

---
 include/flatbuffers/flatbuffers.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/flatbuffers/flatbuffers.h b/include/flatbuffers/flatbuffers.h
index 5c846a6d9..94f78d9b4 100644
--- a/include/flatbuffers/flatbuffers.h
+++ b/include/flatbuffers/flatbuffers.h
@@ -1364,7 +1364,7 @@ class FlatBufferBuilder {
            it += sizeof(uoffset_t)) {
         auto vt_offset_ptr = reinterpret_cast<uoffset_t *>(it);
         auto vt2 = reinterpret_cast<voffset_t *>(buf_.data_at(*vt_offset_ptr));
-        auto vt2_size = *vt2;
+        auto vt2_size = ReadScalar<voffset_t>(vt2);
         if (vt1_size != vt2_size || 0 != memcmp(vt2, vt1, vt1_size)) continue;
         vt_use = *vt_offset_ptr;
         buf_.pop(GetSize() - vtableoffsetloc);