File: BadStrcmpTest.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (20 lines) | stat: -rw-r--r-- 696 bytes parent folder | download | duplicates (36)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

// Test that we don't creash in case of bad strcmp params.
#include <cstddef>
#include <cstdint>
#include <cstring>

static volatile int Sink;

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  if (Size != 10) return 0;
  // Data is not zero-terminated, so this call is bad.
  // Still, there are cases when such calles appear, see e.g.
  // https://bugs.llvm.org/show_bug.cgi?id=32357
  Sink = strcmp(reinterpret_cast<const char*>(Data), "123456789");
  return 0;
}