4 files changed, 27 insertions, 4 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 57ff28bfc..6fb08b645 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -34,6 +34,11 @@ if (WIN32 OR STATIC)
   add_definitions(-DMINIUPNP_STATICLIB)
 endif ()
 
+# warnings are cleared only for GCC on Linux
+if (NOT (MINGW OR APPLE OR FREEBSD OR OPENBSD OR DRAGONFLY))
+  add_compile_options("${WARNINGS_AS_ERRORS_FLAG}") # applies only to targets that follow
+endif()
+
 function (monero_private_headers group)
   source_group("${group}\\Private"
     FILES
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 949d95ade..3979a5edf 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -2933,7 +2933,7 @@ void BlockchainLMDB::get_output_key(const uint64_t &amount, const std::vector<ui
         MDEBUG("Partial result: " << outputs.size() << "/" << offsets.size());
         break;
       }
-      throw1(OUTPUT_DNE((std::string("Attempting to get output pubkey by global index (amount ") + boost::lexical_cast<std::string>(amount) + ", index " + boost::lexical_cast<std::string>(index) + ", count " + boost::lexical_cast<std::string>(get_num_outputs(amount)) + "), but key does not exist").c_str()));
+      throw1(OUTPUT_DNE((std::string("Attempting to get output pubkey by global index (amount ") + boost::lexical_cast<std::string>(amount) + ", index " + boost::lexical_cast<std::string>(index) + ", count " + boost::lexical_cast<std::string>(get_num_outputs(amount)) + "), but key does not exist (current height " + boost::lexical_cast<std::string>(height()) + ")").c_str()));
     }
     else if (get_result)
       throw0(DB_ERROR(lmdb_error("Error attempting to retrieve an output pubkey from the db", get_result).c_str()));
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 53dfc175f..933914363 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -188,7 +188,12 @@ bool Blockchain::scan_outputkeys_for_indexes(size_t tx_version, const txin_to_ke
   {
     try
     {
-      m_db->get_output_key(tx_in_to_key.amount, absolute_offsets, outputs);
+      m_db->get_output_key(tx_in_to_key.amount, absolute_offsets, outputs, true);
+      if (absolute_offsets.size() != outputs.size())
+      {
+        MERROR_VER("Output does not exist! amount = " << tx_in_to_key.amount);
+        return false;
+      }
     }
     catch (...)
     {
@@ -208,7 +213,12 @@ bool Blockchain::scan_outputkeys_for_indexes(size_t tx_version, const txin_to_ke
         add_offsets.push_back(absolute_offsets[i]);
       try
       {
-        m_db->get_output_key(tx_in_to_key.amount, add_offsets, add_outputs);
+        m_db->get_output_key(tx_in_to_key.amount, add_offsets, add_outputs, true);
+        if (add_offsets.size() != add_outputs.size())
+        {
+          MERROR_VER("Output does not exist! amount = " << tx_in_to_key.amount);
+          return false;
+        }
       }
       catch (...)
       {
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index cec3f7225..61f844612 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -1029,7 +1029,15 @@ namespace cryptonote
     block_verification_context bvc = boost::value_initialized<block_verification_context>();
     m_miner.pause();
     std::list<block_complete_entry> blocks;
-    blocks.push_back(get_block_complete_entry(b, m_mempool));
+    try
+    {
+      blocks.push_back(get_block_complete_entry(b, m_mempool));
+    }
+    catch (const std::exception &e)
+    {
+      m_miner.resume();
+      return false;
+    }
     prepare_handle_incoming_blocks(blocks);
     m_blockchain_storage.add_new_block(b, bvc);
     cleanup_handle_incoming_blocks(true);