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-rw-r--r--src/main.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 7edd87a1e5..2480d26591 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -297,6 +297,8 @@ bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const
if (!Solver(prevScript, whichType, vSolutions))
return false;
int nArgsExpected = ScriptSigArgsExpected(whichType, vSolutions);
+ if (nArgsExpected < 0)
+ return false;
// Transactions with extra stuff in their scriptSigs are
// non-standard. Note that this EvalScript() call will
@@ -318,10 +320,15 @@ bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const
return false;
if (whichType2 == TX_SCRIPTHASH)
return false;
- nArgsExpected += ScriptSigArgsExpected(whichType2, vSolutions2);
+
+ int tmpExpected;
+ tmpExpected = ScriptSigArgsExpected(whichType2, vSolutions2);
+ if (tmpExpected < 0)
+ return false;
+ nArgsExpected += tmpExpected;
}
- if (stack.size() != nArgsExpected)
+ if (stack.size() != (unsigned int)nArgsExpected)
return false;
}