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Fix out-of-bounds check

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Pieter Wuille 2013-08-24 23:22:13 +02:00
parent e9e2ef5fbd
commit 24e5d7d5ae
1 changed files with 2 additions and 1 deletions
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src/main.cpp
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@ -2443,7 +2443,8 @@ bool AcceptBlock(CBlock& block, CValidationState& state, CDiskBlockPos* dbp)
(TestNet() && CBlockIndex::IsSuperMajority(2, pindexPrev, 51, 100))) (TestNet() && CBlockIndex::IsSuperMajority(2, pindexPrev, 51, 100)))
{ {
CScript expect = CScript() << nHeight; CScript expect = CScript() << nHeight;
if (!std::equal(expect.begin(), expect.end(), block.vtx[0].vin[0].scriptSig.begin())) if (block.vtx[0].vin[0].scriptSig.size() < expect.size() ||
!std::equal(expect.begin(), expect.end(), block.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"));
} }
} }