diff options
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerDictionary.h | 2 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/Memcmp64BytesTest.cpp | 20 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test | 2 |
4 files changed, 24 insertions, 1 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerDictionary.h b/llvm/lib/Fuzzer/FuzzerDictionary.h index f15ac930f2c..f5024b1aeec 100644 --- a/llvm/lib/Fuzzer/FuzzerDictionary.h +++ b/llvm/lib/Fuzzer/FuzzerDictionary.h @@ -51,7 +51,7 @@ private: uint8_t Data[kMaxSize]; }; -typedef FixedWord<27> Word; // 28 bytes. +typedef FixedWord<64> Word; class DictionaryEntry { public: diff --git a/llvm/lib/Fuzzer/test/CMakeLists.txt b/llvm/lib/Fuzzer/test/CMakeLists.txt index 890cbeef5e4..14d5f12f4e9 100644 --- a/llvm/lib/Fuzzer/test/CMakeLists.txt +++ b/llvm/lib/Fuzzer/test/CMakeLists.txt @@ -90,6 +90,7 @@ set(Tests FourIndependentBranchesTest FullCoverageSetTest InitializeTest + Memcmp64BytesTest MemcmpTest LeakTest LeakTimeoutTest diff --git a/llvm/lib/Fuzzer/test/Memcmp64BytesTest.cpp b/llvm/lib/Fuzzer/test/Memcmp64BytesTest.cpp new file mode 100644 index 00000000000..e81526b578a --- /dev/null +++ b/llvm/lib/Fuzzer/test/Memcmp64BytesTest.cpp @@ -0,0 +1,20 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Simple test for a fuzzer. The fuzzer must find a particular string. +#include <cassert> +#include <cstring> +#include <cstdint> +#include <cstdio> +#include <cstdlib> + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + const char kString64Bytes[] = + "123456789 123456789 123456789 123456789 123456789 123456789 1234"; + assert(sizeof(kString64Bytes) == 65); + if (Size >= 64 && memcmp(Data, kString64Bytes, 64) == 0) { + fprintf(stderr, "BINGO\n"); + exit(1); + } + return 0; +} diff --git a/llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test b/llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test index 14f4f8bfbb9..ff1bddb1e42 100644 --- a/llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test +++ b/llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test @@ -9,6 +9,8 @@ RUN: not LLVMFuzzer-StrncmpTest -seed=1 -runs=2000000 2>&1 | File RUN: not LLVMFuzzer-StrcmpTest -seed=1 -runs=2000000 2>&1 | FileCheck %s RUN: not LLVMFuzzer-StrstrTest -seed=1 -runs=2000000 2>&1 | FileCheck %s +RUN: not LLVMFuzzer-Memcmp64BytesTest -seed=1 -runs=10000 2>&1 | FileCheck %s + RUN: LLVMFuzzer-RepeatedMemcmp -seed=11 -runs=100000 2>&1 | FileCheck %s --check-prefix=RECOMMENDED_DICT RECOMMENDED_DICT:###### Recommended dictionary. ###### RECOMMENDED_DICT-DAG: "foo" |
