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Trap OOB on externalcodecopy #272

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Jul 29, 2018
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Trap OOB on externalcodecopy #272

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2 changes: 1 addition & 1 deletion src/eei.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -395,7 +395,7 @@ inline int64_t maxCallGas(int64_t gas) {
// FIXME: optimise this so no vector needs to be created
vector<uint8_t> codeBuffer(length);
size_t numCopied = context->fn_table->copy_code(context, &address, codeOffset, codeBuffer.data(), codeBuffer.size());
fill_n(&codeBuffer[numCopied], length - numCopied, 0);
ensureCondition(numCopied == length, InvalidMemoryAccess, "Out of bounds (source) memory copy");

storeMemory(codeBuffer, 0, resultOffset, length);

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