Merge pull request #7268

1e27f71 blockchain: lock access to m_blocks_hash_of_hashes (moneromooo-monero)
monero-project · Jan 4, 2021 · 71f7d4e · 71f7d4e
2 parents 7264d64 + 1e27f71
commit 71f7d4e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
@@ -4728,6 +4728,8 @@ uint64_t Blockchain::prevalidate_block_hashes(uint64_t height, const std::vector
 
   CHECK_AND_ASSERT_MES(weights.empty() || weights.size() == hashes.size(), 0, "Unexpected weights size");
 
+  CRITICAL_REGION_LOCAL(m_blockchain_lock);
+
   // easy case: height >= hashes
   if (height >= m_blocks_hash_of_hashes.size() * HASH_OF_HASHES_STEP)
     return hashes.size();