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Revert "tests/fuzzers: update fuzzers to be based on go-native fuzzing (
ethereum#28352)" This reverts commit e88c671.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| //go:build gofuzz | ||
| // +build gofuzz | ||
|
|
||
| package blake2b | ||
|
|
||
| import ( | ||
| "encoding/binary" | ||
| ) | ||
|
|
||
| func Fuzz(data []byte) int { | ||
| // Make sure the data confirms to the input model | ||
| if len(data) != 211 { | ||
| return 0 | ||
| } | ||
| // Parse everything and call all the implementations | ||
| var ( | ||
| rounds = binary.BigEndian.Uint16(data[0:2]) | ||
|
|
||
| h [8]uint64 | ||
| m [16]uint64 | ||
| t [2]uint64 | ||
| f uint64 | ||
| ) | ||
| for i := 0; i < 8; i++ { | ||
| offset := 2 + i*8 | ||
| h[i] = binary.LittleEndian.Uint64(data[offset : offset+8]) | ||
| } | ||
| for i := 0; i < 16; i++ { | ||
| offset := 66 + i*8 | ||
| m[i] = binary.LittleEndian.Uint64(data[offset : offset+8]) | ||
| } | ||
| t[0] = binary.LittleEndian.Uint64(data[194:202]) | ||
| t[1] = binary.LittleEndian.Uint64(data[202:210]) | ||
|
|
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| if data[210]%2 == 1 { // Avoid spinning the fuzzer to hit 0/1 | ||
| f = 0xFFFFFFFFFFFFFFFF | ||
| } | ||
| // Run the blake2b compression on all instruction sets and cross reference | ||
| want := h | ||
| fGeneric(&want, &m, t[0], t[1], f, uint64(rounds)) | ||
|
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| have := h | ||
| fSSE4(&have, &m, t[0], t[1], f, uint64(rounds)) | ||
| if have != want { | ||
| panic("SSE4 mismatches generic algo") | ||
| } | ||
| have = h | ||
| fAVX(&have, &m, t[0], t[1], f, uint64(rounds)) | ||
| if have != want { | ||
| panic("AVX mismatches generic algo") | ||
| } | ||
| have = h | ||
| fAVX2(&have, &m, t[0], t[1], f, uint64(rounds)) | ||
| if have != want { | ||
| panic("AVX2 mismatches generic algo") | ||
| } | ||
| return 1 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| // Copyright 2020 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/>. | ||
|
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| package abi | ||
|
|
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| import ( | ||
| "fmt" | ||
| "reflect" | ||
| "strings" | ||
|
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| "github.com/ethereum/go-ethereum/accounts/abi" | ||
| fuzz "github.com/google/gofuzz" | ||
| ) | ||
|
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||
| var ( | ||
| names = []string{"_name", "name", "NAME", "name_", "__", "_name_", "n"} | ||
| stateMut = []string{"", "pure", "view", "payable"} | ||
| stateMutabilites = []*string{&stateMut[0], &stateMut[1], &stateMut[2], &stateMut[3]} | ||
| pays = []string{"", "true", "false"} | ||
| payables = []*string{&pays[0], &pays[1]} | ||
| vNames = []string{"a", "b", "c", "d", "e", "f", "g"} | ||
| varNames = append(vNames, names...) | ||
| varTypes = []string{"bool", "address", "bytes", "string", | ||
| "uint8", "int8", "uint8", "int8", "uint16", "int16", | ||
| "uint24", "int24", "uint32", "int32", "uint40", "int40", "uint48", "int48", "uint56", "int56", | ||
| "uint64", "int64", "uint72", "int72", "uint80", "int80", "uint88", "int88", "uint96", "int96", | ||
| "uint104", "int104", "uint112", "int112", "uint120", "int120", "uint128", "int128", "uint136", "int136", | ||
| "uint144", "int144", "uint152", "int152", "uint160", "int160", "uint168", "int168", "uint176", "int176", | ||
| "uint184", "int184", "uint192", "int192", "uint200", "int200", "uint208", "int208", "uint216", "int216", | ||
| "uint224", "int224", "uint232", "int232", "uint240", "int240", "uint248", "int248", "uint256", "int256", | ||
| "bytes1", "bytes2", "bytes3", "bytes4", "bytes5", "bytes6", "bytes7", "bytes8", "bytes9", "bytes10", "bytes11", | ||
| "bytes12", "bytes13", "bytes14", "bytes15", "bytes16", "bytes17", "bytes18", "bytes19", "bytes20", "bytes21", | ||
| "bytes22", "bytes23", "bytes24", "bytes25", "bytes26", "bytes27", "bytes28", "bytes29", "bytes30", "bytes31", | ||
| "bytes32", "bytes"} | ||
| ) | ||
|
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| func unpackPack(abi abi.ABI, method string, input []byte) ([]interface{}, bool) { | ||
| if out, err := abi.Unpack(method, input); err == nil { | ||
| _, err := abi.Pack(method, out...) | ||
| if err != nil { | ||
| // We have some false positives as we can unpack these type successfully, but not pack them | ||
| if err.Error() == "abi: cannot use []uint8 as type [0]int8 as argument" || | ||
| err.Error() == "abi: cannot use uint8 as type int8 as argument" { | ||
| return out, false | ||
| } | ||
| panic(err) | ||
| } | ||
| return out, true | ||
| } | ||
| return nil, false | ||
| } | ||
|
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| func packUnpack(abi abi.ABI, method string, input *[]interface{}) bool { | ||
| if packed, err := abi.Pack(method, input); err == nil { | ||
| outptr := reflect.New(reflect.TypeOf(input)) | ||
| err := abi.UnpackIntoInterface(outptr.Interface(), method, packed) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| out := outptr.Elem().Interface() | ||
| if !reflect.DeepEqual(input, out) { | ||
| panic(fmt.Sprintf("unpackPack is not equal, \ninput : %x\noutput: %x", input, out)) | ||
| } | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
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| type args struct { | ||
| name string | ||
| typ string | ||
| } | ||
|
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| func createABI(name string, stateMutability, payable *string, inputs []args) (abi.ABI, error) { | ||
| sig := fmt.Sprintf(`[{ "type" : "function", "name" : "%v" `, name) | ||
| if stateMutability != nil { | ||
| sig += fmt.Sprintf(`, "stateMutability": "%v" `, *stateMutability) | ||
| } | ||
| if payable != nil { | ||
| sig += fmt.Sprintf(`, "payable": %v `, *payable) | ||
| } | ||
| if len(inputs) > 0 { | ||
| sig += `, "inputs" : [ {` | ||
| for i, inp := range inputs { | ||
| sig += fmt.Sprintf(`"name" : "%v", "type" : "%v" `, inp.name, inp.typ) | ||
| if i+1 < len(inputs) { | ||
| sig += "," | ||
| } | ||
| } | ||
| sig += "} ]" | ||
| sig += `, "outputs" : [ {` | ||
| for i, inp := range inputs { | ||
| sig += fmt.Sprintf(`"name" : "%v", "type" : "%v" `, inp.name, inp.typ) | ||
| if i+1 < len(inputs) { | ||
| sig += "," | ||
| } | ||
| } | ||
| sig += "} ]" | ||
| } | ||
| sig += `}]` | ||
|
|
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| return abi.JSON(strings.NewReader(sig)) | ||
| } | ||
|
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| func runFuzzer(input []byte) int { | ||
| good := false | ||
| fuzzer := fuzz.NewFromGoFuzz(input) | ||
|
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| name := names[getUInt(fuzzer)%len(names)] | ||
| stateM := stateMutabilites[getUInt(fuzzer)%len(stateMutabilites)] | ||
| payable := payables[getUInt(fuzzer)%len(payables)] | ||
| maxLen := 5 | ||
| for k := 1; k < maxLen; k++ { | ||
| var arg []args | ||
| for i := k; i > 0; i-- { | ||
| argName := varNames[i] | ||
| argTyp := varTypes[getUInt(fuzzer)%len(varTypes)] | ||
| if getUInt(fuzzer)%10 == 0 { | ||
| argTyp += "[]" | ||
| } else if getUInt(fuzzer)%10 == 0 { | ||
| arrayArgs := getUInt(fuzzer)%30 + 1 | ||
| argTyp += fmt.Sprintf("[%d]", arrayArgs) | ||
| } | ||
| arg = append(arg, args{ | ||
| name: argName, | ||
| typ: argTyp, | ||
| }) | ||
| } | ||
| abi, err := createABI(name, stateM, payable, arg) | ||
| if err != nil { | ||
| continue | ||
| } | ||
| structs, b := unpackPack(abi, name, input) | ||
| c := packUnpack(abi, name, &structs) | ||
| good = good || b || c | ||
| } | ||
| if good { | ||
| return 1 | ||
| } | ||
| return 0 | ||
| } | ||
|
|
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| func Fuzz(input []byte) int { | ||
| return runFuzzer(input) | ||
| } | ||
|
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| func getUInt(fuzzer *fuzz.Fuzzer) int { | ||
| var i int | ||
| fuzzer.Fuzz(&i) | ||
| if i < 0 { | ||
| i = -i | ||
| if i < 0 { | ||
| return 0 | ||
| } | ||
| } | ||
| return i | ||
| } |
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