protocol: reject empty incoming block messages
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@ -1091,6 +1091,13 @@ namespace cryptonote
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//epee::net_utils::network_throttle_manager::get_global_throttle_inreq().logger_handle_net("log/dr-monero/net/req-all.data", sec, get_avg_block_size());
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if(arg.blocks.empty())
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{
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LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: no blocks");
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drop_connection(context, true, false);
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++m_sync_bad_spans_downloaded;
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return 1;
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}
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if(context.m_last_response_height > arg.current_blockchain_height)
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{
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LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: arg.m_current_blockchain_height=" << arg.current_blockchain_height
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