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-rw-r--r--lib/Fuzzer/test/FuzzerUnittest.cpp761
1 files changed, 0 insertions, 761 deletions
diff --git a/lib/Fuzzer/test/FuzzerUnittest.cpp b/lib/Fuzzer/test/FuzzerUnittest.cpp
deleted file mode 100644
index eba2663029b2..000000000000
--- a/lib/Fuzzer/test/FuzzerUnittest.cpp
+++ /dev/null
@@ -1,761 +0,0 @@
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-
-// Avoid ODR violations (LibFuzzer is built without ASan and this test is built
-// with ASan) involving C++ standard library types when using libcxx.
-#define _LIBCPP_HAS_NO_ASAN
-
-// Do not attempt to use LLVM ostream from gtest.
-#define GTEST_NO_LLVM_RAW_OSTREAM 1
-
-#include "FuzzerCorpus.h"
-#include "FuzzerDictionary.h"
-#include "FuzzerInternal.h"
-#include "FuzzerMerge.h"
-#include "FuzzerMutate.h"
-#include "FuzzerRandom.h"
-#include "FuzzerTracePC.h"
-#include "gtest/gtest.h"
-#include <memory>
-#include <set>
-#include <sstream>
-
-using namespace fuzzer;
-
-// For now, have LLVMFuzzerTestOneInput just to make it link.
-// Later we may want to make unittests that actually call LLVMFuzzerTestOneInput.
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
- abort();
-}
-
-TEST(Fuzzer, CrossOver) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- Unit A({0, 1, 2}), B({5, 6, 7});
- Unit C;
- Unit Expected[] = {
- { 0 },
- { 0, 1 },
- { 0, 5 },
- { 0, 1, 2 },
- { 0, 1, 5 },
- { 0, 5, 1 },
- { 0, 5, 6 },
- { 0, 1, 2, 5 },
- { 0, 1, 5, 2 },
- { 0, 1, 5, 6 },
- { 0, 5, 1, 2 },
- { 0, 5, 1, 6 },
- { 0, 5, 6, 1 },
- { 0, 5, 6, 7 },
- { 0, 1, 2, 5, 6 },
- { 0, 1, 5, 2, 6 },
- { 0, 1, 5, 6, 2 },
- { 0, 1, 5, 6, 7 },
- { 0, 5, 1, 2, 6 },
- { 0, 5, 1, 6, 2 },
- { 0, 5, 1, 6, 7 },
- { 0, 5, 6, 1, 2 },
- { 0, 5, 6, 1, 7 },
- { 0, 5, 6, 7, 1 },
- { 0, 1, 2, 5, 6, 7 },
- { 0, 1, 5, 2, 6, 7 },
- { 0, 1, 5, 6, 2, 7 },
- { 0, 1, 5, 6, 7, 2 },
- { 0, 5, 1, 2, 6, 7 },
- { 0, 5, 1, 6, 2, 7 },
- { 0, 5, 1, 6, 7, 2 },
- { 0, 5, 6, 1, 2, 7 },
- { 0, 5, 6, 1, 7, 2 },
- { 0, 5, 6, 7, 1, 2 }
- };
- for (size_t Len = 1; Len < 8; Len++) {
- std::set<Unit> FoundUnits, ExpectedUnitsWitThisLength;
- for (int Iter = 0; Iter < 3000; Iter++) {
- C.resize(Len);
- size_t NewSize = MD.CrossOver(A.data(), A.size(), B.data(), B.size(),
- C.data(), C.size());
- C.resize(NewSize);
- FoundUnits.insert(C);
- }
- for (const Unit &U : Expected)
- if (U.size() <= Len)
- ExpectedUnitsWitThisLength.insert(U);
- EXPECT_EQ(ExpectedUnitsWitThisLength, FoundUnits);
- }
-}
-
-TEST(Fuzzer, Hash) {
- uint8_t A[] = {'a', 'b', 'c'};
- fuzzer::Unit U(A, A + sizeof(A));
- EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", fuzzer::Hash(U));
- U.push_back('d');
- EXPECT_EQ("81fe8bfe87576c3ecb22426f8e57847382917acf", fuzzer::Hash(U));
-}
-
-typedef size_t (MutationDispatcher::*Mutator)(uint8_t *Data, size_t Size,
- size_t MaxSize);
-
-void TestEraseBytes(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- uint8_t REM0[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM1[8] = {0x00, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM2[8] = {0x00, 0x11, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM3[8] = {0x00, 0x11, 0x22, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM4[8] = {0x00, 0x11, 0x22, 0x33, 0x55, 0x66, 0x77};
- uint8_t REM5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x66, 0x77};
- uint8_t REM6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x77};
- uint8_t REM7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
-
- uint8_t REM8[6] = {0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM9[6] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55};
- uint8_t REM10[6] = {0x00, 0x11, 0x22, 0x55, 0x66, 0x77};
-
- uint8_t REM11[5] = {0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t REM12[5] = {0x00, 0x11, 0x22, 0x33, 0x44};
- uint8_t REM13[5] = {0x00, 0x44, 0x55, 0x66, 0x77};
-
-
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- size_t NewSize = (MD.*M)(T, sizeof(T), sizeof(T));
- if (NewSize == 7 && !memcmp(REM0, T, 7)) FoundMask |= 1 << 0;
- if (NewSize == 7 && !memcmp(REM1, T, 7)) FoundMask |= 1 << 1;
- if (NewSize == 7 && !memcmp(REM2, T, 7)) FoundMask |= 1 << 2;
- if (NewSize == 7 && !memcmp(REM3, T, 7)) FoundMask |= 1 << 3;
- if (NewSize == 7 && !memcmp(REM4, T, 7)) FoundMask |= 1 << 4;
- if (NewSize == 7 && !memcmp(REM5, T, 7)) FoundMask |= 1 << 5;
- if (NewSize == 7 && !memcmp(REM6, T, 7)) FoundMask |= 1 << 6;
- if (NewSize == 7 && !memcmp(REM7, T, 7)) FoundMask |= 1 << 7;
-
- if (NewSize == 6 && !memcmp(REM8, T, 6)) FoundMask |= 1 << 8;
- if (NewSize == 6 && !memcmp(REM9, T, 6)) FoundMask |= 1 << 9;
- if (NewSize == 6 && !memcmp(REM10, T, 6)) FoundMask |= 1 << 10;
-
- if (NewSize == 5 && !memcmp(REM11, T, 5)) FoundMask |= 1 << 11;
- if (NewSize == 5 && !memcmp(REM12, T, 5)) FoundMask |= 1 << 12;
- if (NewSize == 5 && !memcmp(REM13, T, 5)) FoundMask |= 1 << 13;
- }
- EXPECT_EQ(FoundMask, (1 << 14) - 1);
-}
-
-TEST(FuzzerMutate, EraseBytes1) {
- TestEraseBytes(&MutationDispatcher::Mutate_EraseBytes, 200);
-}
-TEST(FuzzerMutate, EraseBytes2) {
- TestEraseBytes(&MutationDispatcher::Mutate, 2000);
-}
-
-void TestInsertByte(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t INS0[8] = {0xF1, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
- uint8_t INS1[8] = {0x00, 0xF2, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
- uint8_t INS2[8] = {0x00, 0x11, 0xF3, 0x22, 0x33, 0x44, 0x55, 0x66};
- uint8_t INS3[8] = {0x00, 0x11, 0x22, 0xF4, 0x33, 0x44, 0x55, 0x66};
- uint8_t INS4[8] = {0x00, 0x11, 0x22, 0x33, 0xF5, 0x44, 0x55, 0x66};
- uint8_t INS5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0xF6, 0x55, 0x66};
- uint8_t INS6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0xF7, 0x66};
- uint8_t INS7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF8};
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
- size_t NewSize = (MD.*M)(T, 7, 8);
- if (NewSize == 8 && !memcmp(INS0, T, 8)) FoundMask |= 1 << 0;
- if (NewSize == 8 && !memcmp(INS1, T, 8)) FoundMask |= 1 << 1;
- if (NewSize == 8 && !memcmp(INS2, T, 8)) FoundMask |= 1 << 2;
- if (NewSize == 8 && !memcmp(INS3, T, 8)) FoundMask |= 1 << 3;
- if (NewSize == 8 && !memcmp(INS4, T, 8)) FoundMask |= 1 << 4;
- if (NewSize == 8 && !memcmp(INS5, T, 8)) FoundMask |= 1 << 5;
- if (NewSize == 8 && !memcmp(INS6, T, 8)) FoundMask |= 1 << 6;
- if (NewSize == 8 && !memcmp(INS7, T, 8)) FoundMask |= 1 << 7;
- }
- EXPECT_EQ(FoundMask, 255);
-}
-
-TEST(FuzzerMutate, InsertByte1) {
- TestInsertByte(&MutationDispatcher::Mutate_InsertByte, 1 << 15);
-}
-TEST(FuzzerMutate, InsertByte2) {
- TestInsertByte(&MutationDispatcher::Mutate, 1 << 17);
-}
-
-void TestInsertRepeatedBytes(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t INS0[7] = {0x00, 0x11, 0x22, 0x33, 'a', 'a', 'a'};
- uint8_t INS1[7] = {0x00, 0x11, 0x22, 'a', 'a', 'a', 0x33};
- uint8_t INS2[7] = {0x00, 0x11, 'a', 'a', 'a', 0x22, 0x33};
- uint8_t INS3[7] = {0x00, 'a', 'a', 'a', 0x11, 0x22, 0x33};
- uint8_t INS4[7] = {'a', 'a', 'a', 0x00, 0x11, 0x22, 0x33};
-
- uint8_t INS5[8] = {0x00, 0x11, 0x22, 0x33, 'b', 'b', 'b', 'b'};
- uint8_t INS6[8] = {0x00, 0x11, 0x22, 'b', 'b', 'b', 'b', 0x33};
- uint8_t INS7[8] = {0x00, 0x11, 'b', 'b', 'b', 'b', 0x22, 0x33};
- uint8_t INS8[8] = {0x00, 'b', 'b', 'b', 'b', 0x11, 0x22, 0x33};
- uint8_t INS9[8] = {'b', 'b', 'b', 'b', 0x00, 0x11, 0x22, 0x33};
-
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {0x00, 0x11, 0x22, 0x33};
- size_t NewSize = (MD.*M)(T, 4, 8);
- if (NewSize == 7 && !memcmp(INS0, T, 7)) FoundMask |= 1 << 0;
- if (NewSize == 7 && !memcmp(INS1, T, 7)) FoundMask |= 1 << 1;
- if (NewSize == 7 && !memcmp(INS2, T, 7)) FoundMask |= 1 << 2;
- if (NewSize == 7 && !memcmp(INS3, T, 7)) FoundMask |= 1 << 3;
- if (NewSize == 7 && !memcmp(INS4, T, 7)) FoundMask |= 1 << 4;
-
- if (NewSize == 8 && !memcmp(INS5, T, 8)) FoundMask |= 1 << 5;
- if (NewSize == 8 && !memcmp(INS6, T, 8)) FoundMask |= 1 << 6;
- if (NewSize == 8 && !memcmp(INS7, T, 8)) FoundMask |= 1 << 7;
- if (NewSize == 8 && !memcmp(INS8, T, 8)) FoundMask |= 1 << 8;
- if (NewSize == 8 && !memcmp(INS9, T, 8)) FoundMask |= 1 << 9;
-
- }
- EXPECT_EQ(FoundMask, (1 << 10) - 1);
-}
-
-TEST(FuzzerMutate, InsertRepeatedBytes1) {
- TestInsertRepeatedBytes(&MutationDispatcher::Mutate_InsertRepeatedBytes, 10000);
-}
-TEST(FuzzerMutate, InsertRepeatedBytes2) {
- TestInsertRepeatedBytes(&MutationDispatcher::Mutate, 300000);
-}
-
-void TestChangeByte(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t CH0[8] = {0xF0, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH1[8] = {0x00, 0xF1, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH2[8] = {0x00, 0x11, 0xF2, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH3[8] = {0x00, 0x11, 0x22, 0xF3, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0xF4, 0x55, 0x66, 0x77};
- uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0xF5, 0x66, 0x77};
- uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0xF5, 0x77};
- uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF7};
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[9] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- size_t NewSize = (MD.*M)(T, 8, 9);
- if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
- if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
- if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
- if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
- if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
- if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
- if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
- if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
- }
- EXPECT_EQ(FoundMask, 255);
-}
-
-TEST(FuzzerMutate, ChangeByte1) {
- TestChangeByte(&MutationDispatcher::Mutate_ChangeByte, 1 << 15);
-}
-TEST(FuzzerMutate, ChangeByte2) {
- TestChangeByte(&MutationDispatcher::Mutate, 1 << 17);
-}
-
-void TestChangeBit(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t CH0[8] = {0x01, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH1[8] = {0x00, 0x13, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH2[8] = {0x00, 0x11, 0x02, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH3[8] = {0x00, 0x11, 0x22, 0x37, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0x54, 0x55, 0x66, 0x77};
- uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x54, 0x66, 0x77};
- uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x76, 0x77};
- uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF7};
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[9] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- size_t NewSize = (MD.*M)(T, 8, 9);
- if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
- if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
- if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
- if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
- if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
- if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
- if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
- if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
- }
- EXPECT_EQ(FoundMask, 255);
-}
-
-TEST(FuzzerMutate, ChangeBit1) {
- TestChangeBit(&MutationDispatcher::Mutate_ChangeBit, 1 << 16);
-}
-TEST(FuzzerMutate, ChangeBit2) {
- TestChangeBit(&MutationDispatcher::Mutate, 1 << 18);
-}
-
-void TestShuffleBytes(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t CH0[7] = {0x00, 0x22, 0x11, 0x33, 0x44, 0x55, 0x66};
- uint8_t CH1[7] = {0x11, 0x00, 0x33, 0x22, 0x44, 0x55, 0x66};
- uint8_t CH2[7] = {0x00, 0x33, 0x11, 0x22, 0x44, 0x55, 0x66};
- uint8_t CH3[7] = {0x00, 0x11, 0x22, 0x44, 0x55, 0x66, 0x33};
- uint8_t CH4[7] = {0x00, 0x11, 0x22, 0x33, 0x55, 0x44, 0x66};
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
- size_t NewSize = (MD.*M)(T, 7, 7);
- if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
- if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
- if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
- if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
- if (NewSize == 7 && !memcmp(CH4, T, 7)) FoundMask |= 1 << 4;
- }
- EXPECT_EQ(FoundMask, 31);
-}
-
-TEST(FuzzerMutate, ShuffleBytes1) {
- TestShuffleBytes(&MutationDispatcher::Mutate_ShuffleBytes, 1 << 16);
-}
-TEST(FuzzerMutate, ShuffleBytes2) {
- TestShuffleBytes(&MutationDispatcher::Mutate, 1 << 20);
-}
-
-void TestCopyPart(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- int FoundMask = 0;
- uint8_t CH0[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x00, 0x11};
- uint8_t CH1[7] = {0x55, 0x66, 0x22, 0x33, 0x44, 0x55, 0x66};
- uint8_t CH2[7] = {0x00, 0x55, 0x66, 0x33, 0x44, 0x55, 0x66};
- uint8_t CH3[7] = {0x00, 0x11, 0x22, 0x00, 0x11, 0x22, 0x66};
- uint8_t CH4[7] = {0x00, 0x11, 0x11, 0x22, 0x33, 0x55, 0x66};
-
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
- size_t NewSize = (MD.*M)(T, 7, 7);
- if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
- if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
- if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
- if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
- if (NewSize == 7 && !memcmp(CH4, T, 7)) FoundMask |= 1 << 4;
- }
-
- uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x00, 0x11, 0x22};
- uint8_t CH6[8] = {0x22, 0x33, 0x44, 0x00, 0x11, 0x22, 0x33, 0x44};
- uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x00, 0x11, 0x22, 0x33, 0x44};
- uint8_t CH8[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x22, 0x33, 0x44};
- uint8_t CH9[8] = {0x00, 0x11, 0x22, 0x22, 0x33, 0x44, 0x33, 0x44};
-
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- size_t NewSize = (MD.*M)(T, 5, 8);
- if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
- if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
- if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
- if (NewSize == 8 && !memcmp(CH8, T, 8)) FoundMask |= 1 << 8;
- if (NewSize == 8 && !memcmp(CH9, T, 8)) FoundMask |= 1 << 9;
- }
-
- EXPECT_EQ(FoundMask, 1023);
-}
-
-TEST(FuzzerMutate, CopyPart1) {
- TestCopyPart(&MutationDispatcher::Mutate_CopyPart, 1 << 10);
-}
-TEST(FuzzerMutate, CopyPart2) {
- TestCopyPart(&MutationDispatcher::Mutate, 1 << 13);
-}
-
-void TestAddWordFromDictionary(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
- uint8_t Word1[4] = {0xAA, 0xBB, 0xCC, 0xDD};
- uint8_t Word2[3] = {0xFF, 0xEE, 0xEF};
- MD.AddWordToManualDictionary(Word(Word1, sizeof(Word1)));
- MD.AddWordToManualDictionary(Word(Word2, sizeof(Word2)));
- int FoundMask = 0;
- uint8_t CH0[7] = {0x00, 0x11, 0x22, 0xAA, 0xBB, 0xCC, 0xDD};
- uint8_t CH1[7] = {0x00, 0x11, 0xAA, 0xBB, 0xCC, 0xDD, 0x22};
- uint8_t CH2[7] = {0x00, 0xAA, 0xBB, 0xCC, 0xDD, 0x11, 0x22};
- uint8_t CH3[7] = {0xAA, 0xBB, 0xCC, 0xDD, 0x00, 0x11, 0x22};
- uint8_t CH4[6] = {0x00, 0x11, 0x22, 0xFF, 0xEE, 0xEF};
- uint8_t CH5[6] = {0x00, 0x11, 0xFF, 0xEE, 0xEF, 0x22};
- uint8_t CH6[6] = {0x00, 0xFF, 0xEE, 0xEF, 0x11, 0x22};
- uint8_t CH7[6] = {0xFF, 0xEE, 0xEF, 0x00, 0x11, 0x22};
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[7] = {0x00, 0x11, 0x22};
- size_t NewSize = (MD.*M)(T, 3, 7);
- if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
- if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
- if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
- if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
- if (NewSize == 6 && !memcmp(CH4, T, 6)) FoundMask |= 1 << 4;
- if (NewSize == 6 && !memcmp(CH5, T, 6)) FoundMask |= 1 << 5;
- if (NewSize == 6 && !memcmp(CH6, T, 6)) FoundMask |= 1 << 6;
- if (NewSize == 6 && !memcmp(CH7, T, 6)) FoundMask |= 1 << 7;
- }
- EXPECT_EQ(FoundMask, 255);
-}
-
-TEST(FuzzerMutate, AddWordFromDictionary1) {
- TestAddWordFromDictionary(
- &MutationDispatcher::Mutate_AddWordFromManualDictionary, 1 << 15);
-}
-
-TEST(FuzzerMutate, AddWordFromDictionary2) {
- TestAddWordFromDictionary(&MutationDispatcher::Mutate, 1 << 15);
-}
-
-void TestChangeASCIIInteger(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
-
- uint8_t CH0[8] = {'1', '2', '3', '4', '5', '6', '7', '7'};
- uint8_t CH1[8] = {'1', '2', '3', '4', '5', '6', '7', '9'};
- uint8_t CH2[8] = {'2', '4', '6', '9', '1', '3', '5', '6'};
- uint8_t CH3[8] = {'0', '6', '1', '7', '2', '8', '3', '9'};
- int FoundMask = 0;
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {'1', '2', '3', '4', '5', '6', '7', '8'};
- size_t NewSize = (MD.*M)(T, 8, 8);
- /**/ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
- else if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
- else if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
- else if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
- else if (NewSize == 8) FoundMask |= 1 << 4;
- }
- EXPECT_EQ(FoundMask, 31);
-}
-
-TEST(FuzzerMutate, ChangeASCIIInteger1) {
- TestChangeASCIIInteger(&MutationDispatcher::Mutate_ChangeASCIIInteger,
- 1 << 15);
-}
-
-TEST(FuzzerMutate, ChangeASCIIInteger2) {
- TestChangeASCIIInteger(&MutationDispatcher::Mutate, 1 << 15);
-}
-
-void TestChangeBinaryInteger(Mutator M, int NumIter) {
- std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
- fuzzer::EF = t.get();
- Random Rand(0);
- MutationDispatcher MD(Rand, {});
-
- uint8_t CH0[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x79};
- uint8_t CH1[8] = {0x00, 0x11, 0x22, 0x31, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH2[8] = {0xff, 0x10, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH3[8] = {0x00, 0x11, 0x2a, 0x33, 0x44, 0x55, 0x66, 0x77};
- uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x4f, 0x66, 0x77};
- uint8_t CH5[8] = {0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88};
- uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x00, 0x00, 0x00, 0x08, 0x77}; // Size
- uint8_t CH7[8] = {0x00, 0x08, 0x00, 0x33, 0x44, 0x55, 0x66, 0x77}; // Sw(Size)
-
- int FoundMask = 0;
- for (int i = 0; i < NumIter; i++) {
- uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
- size_t NewSize = (MD.*M)(T, 8, 8);
- /**/ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
- else if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
- else if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
- else if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
- else if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
- else if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
- else if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
- else if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
- }
- EXPECT_EQ(FoundMask, 255);
-}
-
-TEST(FuzzerMutate, ChangeBinaryInteger1) {
- TestChangeBinaryInteger(&MutationDispatcher::Mutate_ChangeBinaryInteger,
- 1 << 12);
-}
-
-TEST(FuzzerMutate, ChangeBinaryInteger2) {
- TestChangeBinaryInteger(&MutationDispatcher::Mutate, 1 << 15);
-}
-
-
-TEST(FuzzerDictionary, ParseOneDictionaryEntry) {
- Unit U;
- EXPECT_FALSE(ParseOneDictionaryEntry("", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry(" ", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry("\t ", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry(" \" ", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry(" zz\" ", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry(" \"zz ", &U));
- EXPECT_FALSE(ParseOneDictionaryEntry(" \"\" ", &U));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"a\"", &U));
- EXPECT_EQ(U, Unit({'a'}));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"abc\"", &U));
- EXPECT_EQ(U, Unit({'a', 'b', 'c'}));
- EXPECT_TRUE(ParseOneDictionaryEntry("abc=\"abc\"", &U));
- EXPECT_EQ(U, Unit({'a', 'b', 'c'}));
- EXPECT_FALSE(ParseOneDictionaryEntry("\"\\\"", &U));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"\\\\\"", &U));
- EXPECT_EQ(U, Unit({'\\'}));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"\\xAB\"", &U));
- EXPECT_EQ(U, Unit({0xAB}));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"\\xABz\\xDE\"", &U));
- EXPECT_EQ(U, Unit({0xAB, 'z', 0xDE}));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"#\"", &U));
- EXPECT_EQ(U, Unit({'#'}));
- EXPECT_TRUE(ParseOneDictionaryEntry("\"\\\"\"", &U));
- EXPECT_EQ(U, Unit({'"'}));
-}
-
-TEST(FuzzerDictionary, ParseDictionaryFile) {
- std::vector<Unit> Units;
- EXPECT_FALSE(ParseDictionaryFile("zzz\n", &Units));
- EXPECT_FALSE(ParseDictionaryFile("", &Units));
- EXPECT_TRUE(ParseDictionaryFile("\n", &Units));
- EXPECT_EQ(Units.size(), 0U);
- EXPECT_TRUE(ParseDictionaryFile("#zzzz a b c d\n", &Units));
- EXPECT_EQ(Units.size(), 0U);
- EXPECT_TRUE(ParseDictionaryFile(" #zzzz\n", &Units));
- EXPECT_EQ(Units.size(), 0U);
- EXPECT_TRUE(ParseDictionaryFile(" #zzzz\n", &Units));
- EXPECT_EQ(Units.size(), 0U);
- EXPECT_TRUE(ParseDictionaryFile(" #zzzz\naaa=\"aa\"", &Units));
- EXPECT_EQ(Units, std::vector<Unit>({Unit({'a', 'a'})}));
- EXPECT_TRUE(
- ParseDictionaryFile(" #zzzz\naaa=\"aa\"\n\nabc=\"abc\"", &Units));
- EXPECT_EQ(Units,
- std::vector<Unit>({Unit({'a', 'a'}), Unit({'a', 'b', 'c'})}));
-}
-
-TEST(FuzzerUtil, Base64) {
- EXPECT_EQ("", Base64({}));
- EXPECT_EQ("YQ==", Base64({'a'}));
- EXPECT_EQ("eA==", Base64({'x'}));
- EXPECT_EQ("YWI=", Base64({'a', 'b'}));
- EXPECT_EQ("eHk=", Base64({'x', 'y'}));
- EXPECT_EQ("YWJj", Base64({'a', 'b', 'c'}));
- EXPECT_EQ("eHl6", Base64({'x', 'y', 'z'}));
- EXPECT_EQ("YWJjeA==", Base64({'a', 'b', 'c', 'x'}));
- EXPECT_EQ("YWJjeHk=", Base64({'a', 'b', 'c', 'x', 'y'}));
- EXPECT_EQ("YWJjeHl6", Base64({'a', 'b', 'c', 'x', 'y', 'z'}));
-}
-
-TEST(Corpus, Distribution) {
- Random Rand(0);
- std::unique_ptr<InputCorpus> C(new InputCorpus(""));
- size_t N = 10;
- size_t TriesPerUnit = 1<<16;
- for (size_t i = 0; i < N; i++)
- C->AddToCorpus(Unit{ static_cast<uint8_t>(i) }, 1, false, {});
-
- std::vector<size_t> Hist(N);
- for (size_t i = 0; i < N * TriesPerUnit; i++) {
- Hist[C->ChooseUnitIdxToMutate(Rand)]++;
- }
- for (size_t i = 0; i < N; i++) {
- // A weak sanity check that every unit gets invoked.
- EXPECT_GT(Hist[i], TriesPerUnit / N / 3);
- }
-}
-
-TEST(Merge, Bad) {
- const char *kInvalidInputs[] = {
- "",
- "x",
- "3\nx",
- "2\n3",
- "2\n2",
- "2\n2\nA\n",
- "2\n2\nA\nB\nC\n",
- "0\n0\n",
- "1\n1\nA\nDONE 0",
- "1\n1\nA\nSTARTED 1",
- };
- Merger M;
- for (auto S : kInvalidInputs) {
- // fprintf(stderr, "TESTING:\n%s\n", S);
- EXPECT_FALSE(M.Parse(S, false));
- }
-}
-
-void EQ(const std::vector<uint32_t> &A, const std::vector<uint32_t> &B) {
- EXPECT_EQ(A, B);
-}
-
-void EQ(const std::vector<std::string> &A, const std::vector<std::string> &B) {
- std::set<std::string> a(A.begin(), A.end());
- std::set<std::string> b(B.begin(), B.end());
- EXPECT_EQ(a, b);
-}
-
-static void Merge(const std::string &Input,
- const std::vector<std::string> Result,
- size_t NumNewFeatures) {
- Merger M;
- std::vector<std::string> NewFiles;
- EXPECT_TRUE(M.Parse(Input, true));
- std::stringstream SS;
- M.PrintSummary(SS);
- EXPECT_EQ(NumNewFeatures, M.Merge(&NewFiles));
- EXPECT_EQ(M.AllFeatures(), M.ParseSummary(SS));
- EQ(NewFiles, Result);
-}
-
-TEST(Merge, Good) {
- Merger M;
-
- EXPECT_TRUE(M.Parse("1\n0\nAA\n", false));
- EXPECT_EQ(M.Files.size(), 1U);
- EXPECT_EQ(M.NumFilesInFirstCorpus, 0U);
- EXPECT_EQ(M.Files[0].Name, "AA");
- EXPECT_TRUE(M.LastFailure.empty());
- EXPECT_EQ(M.FirstNotProcessedFile, 0U);
-
- EXPECT_TRUE(M.Parse("2\n1\nAA\nBB\nSTARTED 0 42\n", false));
- EXPECT_EQ(M.Files.size(), 2U);
- EXPECT_EQ(M.NumFilesInFirstCorpus, 1U);
- EXPECT_EQ(M.Files[0].Name, "AA");
- EXPECT_EQ(M.Files[1].Name, "BB");
- EXPECT_EQ(M.LastFailure, "AA");
- EXPECT_EQ(M.FirstNotProcessedFile, 1U);
-
- EXPECT_TRUE(M.Parse("3\n1\nAA\nBB\nC\n"
- "STARTED 0 1000\n"
- "DONE 0 1 2 3\n"
- "STARTED 1 1001\n"
- "DONE 1 4 5 6 \n"
- "STARTED 2 1002\n"
- "", true));
- EXPECT_EQ(M.Files.size(), 3U);
- EXPECT_EQ(M.NumFilesInFirstCorpus, 1U);
- EXPECT_EQ(M.Files[0].Name, "AA");
- EXPECT_EQ(M.Files[0].Size, 1000U);
- EXPECT_EQ(M.Files[1].Name, "BB");
- EXPECT_EQ(M.Files[1].Size, 1001U);
- EXPECT_EQ(M.Files[2].Name, "C");
- EXPECT_EQ(M.Files[2].Size, 1002U);
- EXPECT_EQ(M.LastFailure, "C");
- EXPECT_EQ(M.FirstNotProcessedFile, 3U);
- EQ(M.Files[0].Features, {1, 2, 3});
- EQ(M.Files[1].Features, {4, 5, 6});
-
-
- std::vector<std::string> NewFiles;
-
- EXPECT_TRUE(M.Parse("3\n2\nAA\nBB\nC\n"
- "STARTED 0 1000\nDONE 0 1 2 3\n"
- "STARTED 1 1001\nDONE 1 4 5 6 \n"
- "STARTED 2 1002\nDONE 2 6 1 3 \n"
- "", true));
- EXPECT_EQ(M.Files.size(), 3U);
- EXPECT_EQ(M.NumFilesInFirstCorpus, 2U);
- EXPECT_TRUE(M.LastFailure.empty());
- EXPECT_EQ(M.FirstNotProcessedFile, 3U);
- EQ(M.Files[0].Features, {1, 2, 3});
- EQ(M.Files[1].Features, {4, 5, 6});
- EQ(M.Files[2].Features, {1, 3, 6});
- EXPECT_EQ(0U, M.Merge(&NewFiles));
- EQ(NewFiles, {});
-
- EXPECT_TRUE(M.Parse("3\n1\nA\nB\nC\n"
- "STARTED 0 1000\nDONE 0 1 2 3\n"
- "STARTED 1 1001\nDONE 1 4 5 6 \n"
- "STARTED 2 1002\nDONE 2 6 1 3\n"
- "", true));
- EQ(M.Files[0].Features, {1, 2, 3});
- EQ(M.Files[1].Features, {4, 5, 6});
- EQ(M.Files[2].Features, {1, 3, 6});
- EXPECT_EQ(3U, M.Merge(&NewFiles));
- EQ(NewFiles, {"B"});
-
- // Same as the above, but with InitialFeatures.
- EXPECT_TRUE(M.Parse("2\n0\nB\nC\n"
- "STARTED 0 1001\nDONE 0 4 5 6 \n"
- "STARTED 1 1002\nDONE 1 6 1 3\n"
- "", true));
- EQ(M.Files[0].Features, {4, 5, 6});
- EQ(M.Files[1].Features, {1, 3, 6});
- EXPECT_EQ(3U, M.Merge({1, 2, 3}, &NewFiles));
- EQ(NewFiles, {"B"});
-}
-
-TEST(Merge, Merge) {
-
- Merge("3\n1\nA\nB\nC\n"
- "STARTED 0 1000\nDONE 0 1 2 3\n"
- "STARTED 1 1001\nDONE 1 4 5 6 \n"
- "STARTED 2 1002\nDONE 2 6 1 3 \n",
- {"B"}, 3);
-
- Merge("3\n0\nA\nB\nC\n"
- "STARTED 0 2000\nDONE 0 1 2 3\n"
- "STARTED 1 1001\nDONE 1 4 5 6 \n"
- "STARTED 2 1002\nDONE 2 6 1 3 \n",
- {"A", "B", "C"}, 6);
-
- Merge("4\n0\nA\nB\nC\nD\n"
- "STARTED 0 2000\nDONE 0 1 2 3\n"
- "STARTED 1 1101\nDONE 1 4 5 6 \n"
- "STARTED 2 1102\nDONE 2 6 1 3 100 \n"
- "STARTED 3 1000\nDONE 3 1 \n",
- {"A", "B", "C", "D"}, 7);
-
- Merge("4\n1\nA\nB\nC\nD\n"
- "STARTED 0 2000\nDONE 0 4 5 6 7 8\n"
- "STARTED 1 1100\nDONE 1 1 2 3 \n"
- "STARTED 2 1100\nDONE 2 2 3 \n"
- "STARTED 3 1000\nDONE 3 1 \n",
- {"B", "D"}, 3);
-}
-
-TEST(Fuzzer, ForEachNonZeroByte) {
- const size_t N = 64;
- alignas(64) uint8_t Ar[N + 8] = {
- 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 2, 0, 0, 0, 0, 0, 0,
- 0, 0, 3, 0, 4, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 5, 0, 6, 0, 0,
- 0, 0, 0, 0, 0, 0, 7, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 8,
- 9, 9, 9, 9, 9, 9, 9, 9,
- };
- typedef std::vector<std::pair<size_t, uint8_t> > Vec;
- Vec Res, Expected;
- auto CB = [&](size_t Idx, uint8_t V) { Res.push_back({Idx, V}); };
- ForEachNonZeroByte(Ar, Ar + N, 100, CB);
- Expected = {{108, 1}, {109, 2}, {118, 3}, {120, 4},
- {135, 5}, {137, 6}, {146, 7}, {163, 8}};
- EXPECT_EQ(Res, Expected);
-
- Res.clear();
- ForEachNonZeroByte(Ar + 9, Ar + N, 109, CB);
- Expected = { {109, 2}, {118, 3}, {120, 4},
- {135, 5}, {137, 6}, {146, 7}, {163, 8}};
- EXPECT_EQ(Res, Expected);
-
- Res.clear();
- ForEachNonZeroByte(Ar + 9, Ar + N - 9, 109, CB);
- Expected = { {109, 2}, {118, 3}, {120, 4},
- {135, 5}, {137, 6}, {146, 7}};
- EXPECT_EQ(Res, Expected);
-}
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