oss-fuzz/projects/bzip2/bzip2_decompress_target.c

52 lines
1.6 KiB
C

/*
# Copyright 2018 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
###############################################################################
*/
#include "bzlib.h"
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
extern int BZ2_bzBuffToBuffDecompress(char* dest,
unsigned int* destLen,
char* source,
unsigned int sourceLen,
int small,
int verbosity);
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
int r, small;
unsigned int nZ, nOut;
// See: https://github.com/google/bzip2-rpc/blob/master/unzcrash.c#L39
nOut = size*2;
char *outbuf = malloc(nOut);
small = size % 2;
r = BZ2_bzBuffToBuffDecompress(outbuf, &nOut, (char *)data, size,
small, /*verbosity=*/0);
if (r != BZ_OK) {
#ifdef __DEBUG__
fprintf(stdout, "Decompression error: %d\n", r);
#endif
}
free(outbuf);
return 0;
}