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-rw-r--r--src/cryptonote_protocol/block_queue.cpp1
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.inl6
2 files changed, 7 insertions, 0 deletions
diff --git a/src/cryptonote_protocol/block_queue.cpp b/src/cryptonote_protocol/block_queue.cpp
index bfff35456..9e38ffbcb 100644
--- a/src/cryptonote_protocol/block_queue.cpp
+++ b/src/cryptonote_protocol/block_queue.cpp
@@ -62,6 +62,7 @@ void block_queue::add_blocks(uint64_t height, std::list<cryptonote::block_comple
void block_queue::add_blocks(uint64_t height, uint64_t nblocks, const boost::uuids::uuid &connection_id, boost::posix_time::ptime time)
{
+ CHECK_AND_ASSERT_THROW_MES(nblocks > 0, "Empty span");
boost::unique_lock<boost::recursive_mutex> lock(mutex);
blocks.insert(span(height, nblocks, connection_id, time));
}
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
index de30df5d7..8aef31a5a 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl
+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
@@ -1003,6 +1003,11 @@ skip:
MDEBUG(context << " next span in the queue has blocks " << start_height << "-" << (start_height + blocks.size() - 1)
<< ", we need " << previous_height);
+ if (blocks.empty())
+ {
+ MERROR("Next span has no blocks");
+ break;
+ }
block new_block;
if (!parse_and_validate_block_from_blob(blocks.front().block, new_block))
@@ -1498,6 +1503,7 @@ skip:
NOTIFY_REQUEST_CHAIN::request r = boost::value_initialized<NOTIFY_REQUEST_CHAIN::request>();
m_core.get_short_chain_history(r.block_ids);
+ CHECK_AND_ASSERT_MES(!r.block_ids.empty(), false, "Short chain history is empty");
if (!start_from_current_chain)
{