From 928a75deca64a4046c9270cfa7e8759f43334769 Mon Sep 17 00:00:00 2001
From: Yannis Guyon <yguyon@google.com>
Date: Fri, 21 Dec 2018 17:57:47 +0100
Subject: [PATCH] webp: Fix VP8LBitWriterClone() bug

dst->cur_ was not set.
The bug occurred only with several VP8LBitWriter instances
(thread_level > 0) and in 32-bit (in 64-bit, src->cur_ was
always 0 in VP8LBitWriterClone()).

BUG=chromium:917029

Change-Id: I0d94a3d8e62b247fd616eebe1009868dc8a5ed2e
---
 src/utils/bit_writer_utils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/bit_writer_utils.c b/src/utils/bit_writer_utils.c
index f4f476ce..7f83b4c8 100644
--- a/src/utils/bit_writer_utils.c
+++ b/src/utils/bit_writer_utils.c
@@ -248,6 +248,7 @@ int VP8LBitWriterClone(const VP8LBitWriter* const src,
   dst->bits_ = src->bits_;
   dst->used_ = src->used_;
   dst->error_ = src->error_;
+  dst->cur_ = dst->buf_ + current_size;
   return 1;
 }