forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

core/vm/runtime, core/vm: fuzzers

Browse source
This commit is contained in:
Martin Holst Swende 2023-10-24 11:38:43 +02:00
parent 2f8cdf2042
commit 4ba891112e
No known key found for this signature in database
GPG key ID: 683B438C05A5DDF0
4 changed files with 75 additions and 31 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

70
core/vm/contracts_fuzz_test.go Normal file
View file

@ -0,0 +1,70 @@
// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package vm
import (
"testing"
"github.com/ethereum/go-ethereum/common"
)
// allPrecompiles does not map to the actual set of precompiles, as it also contains
// repriced versions of precompiles at certain slots
var allPrecompiles = map[common.Address]PrecompiledContract{
common.BytesToAddress([]byte{1}): &ecrecover{},
common.BytesToAddress([]byte{2}): &sha256hash{},
common.BytesToAddress([]byte{3}): &ripemd160hash{},
common.BytesToAddress([]byte{4}): &dataCopy{},
common.BytesToAddress([]byte{5}): &bigModExp{eip2565: false},
common.BytesToAddress([]byte{0xf5}): &bigModExp{eip2565: true},
common.BytesToAddress([]byte{6}): &bn256AddIstanbul{},
common.BytesToAddress([]byte{7}): &bn256ScalarMulIstanbul{},
common.BytesToAddress([]byte{8}): &bn256PairingIstanbul{},
common.BytesToAddress([]byte{9}): &blake2F{},
common.BytesToAddress([]byte{0x0a}): &kzgPointEvaluation{},
common.BytesToAddress([]byte{0x0f, 0x0a}): &bls12381G1Add{},
common.BytesToAddress([]byte{0x0f, 0x0b}): &bls12381G1Mul{},
common.BytesToAddress([]byte{0x0f, 0x0c}): &bls12381G1MultiExp{},
common.BytesToAddress([]byte{0x0f, 0x0d}): &bls12381G2Add{},
common.BytesToAddress([]byte{0x0f, 0x0e}): &bls12381G2Mul{},
common.BytesToAddress([]byte{0x0f, 0x0f}): &bls12381G2MultiExp{},
common.BytesToAddress([]byte{0x0f, 0x10}): &bls12381Pairing{},
common.BytesToAddress([]byte{0x0f, 0x11}): &bls12381MapG1{},
common.BytesToAddress([]byte{0x0f, 0x12}): &bls12381MapG2{},
}
func FuzzPrecompiledContracts(f *testing.F) {
// Create list of addresses
var addrs []common.Address
for k := range allPrecompiles {
addrs = append(addrs, k)
}
f.Fuzz(func(t *testing.T, addr uint8, input []byte) {
a := addrs[int(int(addr)%len(addrs))]
p := allPrecompiles[a]
gas := p.RequiredGas(input)
if gas > 10_000_000 {
return
}
inWant := string(input)
RunPrecompiledContract(p, input, gas)
if inHave := string(input); inWant != inHave {
t.Errorf("Precompiled %v modified input data", a)
}
})
}

26
core/vm/contracts_test.go
View file

@ -43,32 +43,6 @@ type precompiledFailureTest struct {
Name string
}
// allPrecompiles does not map to the actual set of precompiles, as it also contains
// repriced versions of precompiles at certain slots
var allPrecompiles = map[common.Address]PrecompiledContract{
common.BytesToAddress([]byte{1}): &ecrecover{},
common.BytesToAddress([]byte{2}): &sha256hash{},
common.BytesToAddress([]byte{3}): &ripemd160hash{},
common.BytesToAddress([]byte{4}): &dataCopy{},
common.BytesToAddress([]byte{5}): &bigModExp{eip2565: false},
common.BytesToAddress([]byte{0xf5}): &bigModExp{eip2565: true},
common.BytesToAddress([]byte{6}): &bn256AddIstanbul{},
common.BytesToAddress([]byte{7}): &bn256ScalarMulIstanbul{},
common.BytesToAddress([]byte{8}): &bn256PairingIstanbul{},
common.BytesToAddress([]byte{9}): &blake2F{},
common.BytesToAddress([]byte{0x0a}): &kzgPointEvaluation{},
common.BytesToAddress([]byte{0x0f, 0x0a}): &bls12381G1Add{},
common.BytesToAddress([]byte{0x0f, 0x0b}): &bls12381G1Mul{},
common.BytesToAddress([]byte{0x0f, 0x0c}): &bls12381G1MultiExp{},
common.BytesToAddress([]byte{0x0f, 0x0d}): &bls12381G2Add{},
common.BytesToAddress([]byte{0x0f, 0x0e}): &bls12381G2Mul{},
common.BytesToAddress([]byte{0x0f, 0x0f}): &bls12381G2MultiExp{},
common.BytesToAddress([]byte{0x0f, 0x10}): &bls12381Pairing{},
common.BytesToAddress([]byte{0x0f, 0x11}): &bls12381MapG1{},
common.BytesToAddress([]byte{0x0f, 0x12}): &bls12381MapG2{},
}
// EIP-152 test vectors
var blake2FMalformedInputTests = []precompiledFailureTest{
{

6
core/vm/runtime/runtime_fuzz_test.go
View file

@ -18,13 +18,11 @@ package runtime
import (
"testing"
"github.com/ethereum/go-ethereum/core/vm/runtime"
)
func Fuzz(f *testing.F) {
func FuzzVmRuntime(f *testing.F) {
f.Fuzz(func(t *testing.T, code, input []byte) {
runtime.Execute(code, input, &runtime.Config{
Execute(code, input, &Config{
GasLimit: 12000000,
})
})

4
oss-fuzz.sh
View file

@ -102,10 +102,12 @@ mv $PROJPATH/common/bitutil/compress_test.go $PROJPATH/common/bitutil/compress_t
compile_fuzzer common/bitutil FuzzEncoder fuzzBitutilEncoder
compile_fuzzer common/bitutil FuzzDecoder fuzzBitutilDecoder
compile_fuzzer core/vm/runtime FuzzVmRuntime fuzzVmRuntime
compile_fuzzer core/vm FuzzPrecompiledContracts fuzzPrecompiledContracts
compile_fuzzer tests/fuzzers/bn256 FuzzAdd fuzzBn256Add
compile_fuzzer tests/fuzzers/bn256 FuzzMul fuzzBn256Mul
compile_fuzzer tests/fuzzers/bn256 FuzzPair fuzzBn256Pair
compile_fuzzer tests/fuzzers/runtime Fuzz fuzzVmRuntime
compile_fuzzer tests/fuzzers/keystore Fuzz fuzzKeystore
compile_fuzzer tests/fuzzers/txfetcher Fuzz fuzzTxfetcher
compile_fuzzer tests/fuzzers/rlp Fuzz fuzzRlp