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Fix out-of-bounds check

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Pieter Wuille 2013-08-24 23:22:13 +02:00 committed by Warren Togami
parent 2a22054025
commit 1a9a2d0880
1 changed files with 2 additions and 1 deletions
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src/main.cpp
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@ -2202,7 +2202,8 @@ bool CBlock::AcceptBlock(CValidationState &state, CDiskBlockPos *dbp)
(fTestNet && CBlockIndex::IsSuperMajority(2, pindexPrev, 51, 100))) (fTestNet && CBlockIndex::IsSuperMajority(2, pindexPrev, 51, 100)))
{ {
CScript expect = CScript() << nHeight; CScript expect = CScript() << nHeight;
if (!std::equal(expect.begin(), expect.end(), vtx[0].vin[0].scriptSig.begin())) if (vtx[0].vin[0].scriptSig.size() < expect.size() ||
!std::equal(expect.begin(), expect.end(), vtx[0].vin[0].scriptSig.begin()))
return state.DoS(100, error("AcceptBlock() : block height mismatch in coinbase")); return state.DoS(100, error("AcceptBlock() : block height mismatch in coinbase"));
} }
} }