From 9dbcda9e3b9b59b76b247e24e9ebc4b9263197ff Mon Sep 17 00:00:00 2001
From: Mike Kolupaev <kolmike@fb.com>
Date: Tue, 25 Jun 2019 22:58:56 -0700
Subject: [PATCH] Fix uninitialized prev_block_offset_ in BlockBasedTableReader
 (#5507)

Summary:
Found by valgrind_check.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5507

Differential Revision: D16002612

Pulled By: miasantreble

fbshipit-source-id: 13c11c183190e0a0571844635457d434da3ac59a
---
 table/block_based/block_based_table_reader.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/table/block_based/block_based_table_reader.h b/table/block_based/block_based_table_reader.h
index 9300fb36a..435671391 100644
--- a/table/block_based/block_based_table_reader.h
+++ b/table/block_based/block_based_table_reader.h
@@ -755,7 +755,7 @@ class BlockBasedTableIterator : public InternalIteratorBase<TValue> {
   bool need_upper_bound_check_;
   const SliceTransform* prefix_extractor_;
   BlockType block_type_;
-  uint64_t prev_block_offset_;
+  uint64_t prev_block_offset_ = std::numeric_limits<uint64_t>::max();
   BlockCacheLookupContext lookup_context_;
   // Readahead size used in compaction, its value is used only if
   // lookup_context_.caller = kCompaction.