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protocol: reject empty incoming block messages

This commit is contained in:
moneromooo-monero 2020-11-03 12:59:36 +00:00
parent 4d855fcca7
commit 8965489acb
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1 changed files with 7 additions and 0 deletions
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7
src/cryptonote_protocol/cryptonote_protocol_handler.inl
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@ -1091,6 +1091,13 @@ namespace cryptonote
//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());
if(arg.blocks.empty())
{
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: no blocks");
drop_connection(context, true, false);
++m_sync_bad_spans_downloaded;
return 1;
}
if(context.m_last_response_height > arg.current_blockchain_height)
{
LOG_ERROR_CCONTEXT("sent wrong NOTIFY_HAVE_OBJECTS: arg.m_current_blockchain_height=" << arg.current_blockchain_height