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| author |   patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
| commit | 53d771aafdbe5b919f264f53cba3788e2c4cffd2 (patch) | |
| tree | 7eca39498be0ff1e3a6daf583cd9ca5886bb2636 /gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp | |
| parent | In preparation of compiling our kernels with -ffreestanding, explicitly map (diff) | |
| download | wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.tar.xz wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.zip | |
Import LLVM 4.0.0 rc1 including clang and lld to help the current
development effort on OpenBSD/arm64.
Diffstat (limited to 'gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp')
| -rw-r--r-- | gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp b/gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp new file mode 100644 index 00000000000..f70b003afad --- /dev/null +++ b/gnu/llvm/lib/Fuzzer/test/StrncmpOOBTest.cpp @@ -0,0 +1,21 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Test that libFuzzer itself does not read out of bounds. +#include <assert.h> +#include <cstdint> +#include <cstring> +#include <cstdlib> +#include <cstddef> +#include <iostream> + +static volatile int Sink; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + if (Size < 5) return 0; + const char *Ch = reinterpret_cast<const char *>(Data); + if (Ch[Size - 3] == 'a') + Sink = strncmp(Ch + Size - 3, "abcdefg", 6); + return 0; +} + |