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-rw-r--r--src/main.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp
index b7efac53b1..226d32295d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3508,6 +3508,16 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
CInv inv(MSG_TX, tx.GetHash());
pfrom->AddInventoryKnown(inv);
+ // Truncate messages to the size of the tx in them
+ unsigned int nSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
+ unsigned int oldSize = vMsg.size();
+ if (nSize < oldSize) {
+ vMsg.resize(nSize);
+ printf("truncating oversized TX %s (%u -> %u)\n",
+ tx.GetHash().ToString().c_str(),
+ oldSize, nSize);
+ }
+
bool fMissingInputs = false;
CValidationState state;
if (tx.AcceptToMemoryPool(state, true, true, &fMissingInputs))