/src/zlib_uncompress2_fuzzer.cc

Source
#include <stddef.h>
#include <stdint.h>
#include <string.h>

#include "zlib.h"

static Bytef buffer[256 * 1024] = { 0 };

// Entry point for LibFuzzer.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  uLongf buffer_length = static_cast<uLongf>(sizeof(buffer));
  uLong buf_size = static_cast<uLong>(size);
  // Ignore return code.
  uncompress2(buffer, &buffer_length, data, &buf_size);
  return 0;
}

Coverage Report

Created: 2025-07-01 07:02

Line	Count	Source
1		#include <stddef.h>
2		#include <stdint.h>
3		#include <string.h>
4
5		#include "zlib.h"
6
7		static Bytef buffer[256 * 1024] = { 0 };
8
9		// Entry point for LibFuzzer.
10	1.56k	extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
11	1.56k	uLongf buffer_length = static_cast<uLongf>(sizeof(buffer));
12	1.56k	uLong buf_size = static_cast<uLong>(size);
13		// Ignore return code.
14	1.56k	uncompress2(buffer, &buffer_length, data, &buf_size);
15	1.56k	return 0;
16	1.56k	}