File: BadStrcmpTest.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-10.1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,999,140 kB
  • sloc: cpp: 6,951,711; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,033; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,252; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (20 lines) | stat: -rw-r--r-- 696 bytes parent folder | download | duplicates (31) 
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;
}