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https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Adds oss-fuzz harnesses to fuzz AssemblyStack API calls for parsing/optimizing StrictAssembly and generating EVM bytecode.
This commit is contained in:
Bhargava Shastry
Bhargava Shastry
parent
e3c3b9e542
commit
6c1d0b62b5
@ -5,6 +5,8 @@ add_dependencies(ossfuzz
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solc_noopt_ossfuzz
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const_opt_ossfuzz
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strictasm_diff_ossfuzz
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strictasm_opt_ossfuzz
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strictasm_assembly_ossfuzz
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)
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add_custom_target(ossfuzz_proto)
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@ -23,6 +25,12 @@ target_link_libraries(const_opt_ossfuzz PRIVATE libsolc evmasm FuzzingEngine.a)
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add_executable(strictasm_diff_ossfuzz strictasm_diff_ossfuzz.cpp yulFuzzerCommon.cpp)
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target_link_libraries(strictasm_diff_ossfuzz PRIVATE libsolc evmasm yulInterpreter FuzzingEngine.a)
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add_executable(strictasm_opt_ossfuzz strictasm_opt_ossfuzz.cpp)
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target_link_libraries(strictasm_opt_ossfuzz PRIVATE yul FuzzingEngine.a)
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add_executable(strictasm_assembly_ossfuzz strictasm_assembly_ossfuzz.cpp)
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target_link_libraries(strictasm_assembly_ossfuzz PRIVATE yul FuzzingEngine.a)
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add_executable(yul_proto_ossfuzz yulProtoFuzzer.cpp protoToYul.cpp yulProto.pb.cc)
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target_include_directories(yul_proto_ossfuzz PRIVATE /src/libprotobuf-mutator /src/LPM/external.protobuf/include)
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target_link_libraries(yul_proto_ossfuzz PRIVATE yul evmasm
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91
test/tools/ossfuzz/config/strict_assembly.dict
Normal file
91
test/tools/ossfuzz/config/strict_assembly.dict
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@ -0,0 +1,91 @@
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" -> "
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" := "
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" address() "
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" calldatasize() "
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" caller() "
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" callvalue() "
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" codesize() "
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" coinbase() "
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" difficulty() "
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" gas() "
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" gaslimit() "
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" gasprice() "
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" invalid() "
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" number() "
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" origin() "
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" pc() "
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" returndatasize() "
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" stop() "
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" timestamp() "
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"("
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")"
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", "
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"0x42"
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"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
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":"
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"add("
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"addmod("
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"and("
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"balance("
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"blockhash("
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"byte("
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"call("
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"callcode("
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"calldatacopy("
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"calldataload("
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"case "
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"codecopy("
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"create("
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"create2("
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"default "
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"delegatecall("
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"div("
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"eq("
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"exp("
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"extcodecopy("
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"extcodehash("
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"extcodesize("
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"for "
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"function "
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"gt("
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"hello"
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"if "
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"iszero("
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"keccak256("
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"let "
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"log0("
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"log1("
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"log2("
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"log3("
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"log4("
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"lt("
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"mload("
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"mod("
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"msize"
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"mstore("
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"mstore8("
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"mul("
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"mulmod("
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"not("
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"or("
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"pop("
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"return("
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"returndatacopy("
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"revert("
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"sar("
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"sdiv("
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"selfdestruct("
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"sgt("
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"shl("
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"shr("
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"signextend("
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"sload("
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"slt("
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"smod("
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"sstore("
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"staticcall("
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"sub("
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"switch "
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"xor("
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"{"
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"}"
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@ -0,0 +1,2 @@
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[libfuzzer]
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dict = strict_assembly.dict
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2
test/tools/ossfuzz/config/strictasm_opt_ossfuzz.options
Normal file
2
test/tools/ossfuzz/config/strictasm_opt_ossfuzz.options
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@ -0,0 +1,2 @@
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[libfuzzer]
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dict = strict_assembly.dict
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47
test/tools/ossfuzz/strictasm_assembly_ossfuzz.cpp
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47
test/tools/ossfuzz/strictasm_assembly_ossfuzz.cpp
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@ -0,0 +1,47 @@
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/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libyul/AssemblyStack.h>
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#include <liblangutil/EVMVersion.h>
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#include <libyul/backends/evm/EVMCodeTransform.h>
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using namespace yul;
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using namespace std;
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extern "C" int LLVMFuzzerTestOneInput(uint8_t const* _data, size_t _size)
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{
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if (_size > 600)
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return 0;
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string input(reinterpret_cast<char const*>(_data), _size);
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AssemblyStack stack(langutil::EVMVersion(), AssemblyStack::Language::StrictAssembly);
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if (!stack.parseAndAnalyze("source", input))
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return 0;
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try
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{
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MachineAssemblyObject obj = stack.assemble(AssemblyStack::Machine::EVM);
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solAssert(obj.bytecode, "");
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}
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catch (StackTooDeepError const&)
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{
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}
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return 0;
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}
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37
test/tools/ossfuzz/strictasm_opt_ossfuzz.cpp
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37
test/tools/ossfuzz/strictasm_opt_ossfuzz.cpp
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@ -0,0 +1,37 @@
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/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libyul/AssemblyStack.h>
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#include <liblangutil/EVMVersion.h>
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using namespace yul;
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using namespace std;
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extern "C" int LLVMFuzzerTestOneInput(uint8_t const* _data, size_t _size)
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{
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if (_size > 600)
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return 0;
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string input(reinterpret_cast<char const*>(_data), _size);
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AssemblyStack stack(langutil::EVMVersion(), AssemblyStack::Language::StrictAssembly);
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if (!stack.parseAndAnalyze("source", input))
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return 0;
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stack.optimize();
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return 0;
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}
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