cerc-io/solidity
11
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

yulRun: Fix unexpected return value for call* instructions and add tests

Browse Source
This commit is contained in:
Marenz
2022-09-14 11:40:08 +02:00
parent b8699e7687
commit d10d967008
9 changed files with 73 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/tools/yulInterpreter/EVMInstructionInterpreter.cpp
+13 -2
View File
@@ -329,13 +329,24 @@ u256 EVMInstructionInterpreter::eval(
accessMemory(arg[3], arg[4]);
accessMemory(arg[5], arg[6]);
logTrace(_instruction, arg);
return arg[0] & 1;
// Randomly fail based on the called address if it isn't a call to self.
// Used for fuzzing.
return (
(arg[0] > 0) &&
(arg[1] == util::h160::Arith(m_state.address) || (arg[1] & 1))
) ? 1 : 0;
case Instruction::DELEGATECALL:
case Instruction::STATICCALL:
accessMemory(arg[2], arg[3]);
accessMemory(arg[4], arg[5]);
logTrace(_instruction, arg);
return 0;
// Randomly fail based on the called address if it isn't a call to self.
// Used for fuzzing.
return (
(arg[0] > 0) &&
(arg[1] == util::h160::Arith(m_state.address) || (arg[1] & 1))
) ? 1 : 0;
case Instruction::RETURN:
{
m_state.returndata = {};