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interpreter: Fix call depth handling in CALLs #5662

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Jul 10, 2019
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interpreter: Fix call depth handling in CALLs #5662

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8af81f8
EvmCHost: Check the incoming call message depth
chfast Jul 10, 2019
95ab8e2
interpreter: Fix call depth handling in CALLs
chfast Jul 9, 2019
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1 change: 1 addition & 0 deletions libaleth-interpreter/VMCalls.cpp
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Expand Up @@ -258,6 +258,7 @@ bool VM::caseCallSetup(evmc_message& o_msg, bytesRef& o_output)
m_runGas = o_msg.gas;
updateIOGas();

o_msg.depth = m_message->depth + 1;
o_msg.destination = destination;
o_msg.sender = m_message->destination;
o_msg.input_data = m_mem.data() + size_t(inputOffset);
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1 change: 1 addition & 0 deletions libevm/ExtVMFace.cpp
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Expand Up @@ -202,6 +202,7 @@ evmc::result EvmCHost::create(evmc_message const& _msg) noexcept
evmc::result EvmCHost::call(evmc_message const& _msg) noexcept
{
assert(_msg.gas >= 0 && "Invalid gas value");
assert(_msg.depth == static_cast<int>(m_extVM.depth) + 1);

// Handle CREATE separately.
if (_msg.kind == EVMC_CREATE || _msg.kind == EVMC_CREATE2)
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