1 /*
2 # Copyright 2018 Google Inc.
3 #
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at
7 #
8 # http://www.apache.org/licenses/LICENSE-2.0
9 #
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
15 #
16 ###############################################################################
17 */
18
19 #include "bzlib.h"
20 #include <stdint.h>
21 #include <stdlib.h>
22 #include <assert.h>
23 #include <string.h>
24
25 extern int BZ2_bzBuffToBuffDecompress(char* dest,
26 unsigned int* destLen,
27 char* source,
28 unsigned int sourceLen,
29 int small,
30 int verbosity);
31
32 int
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)33 LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
34 {
35 int r, small;
36 unsigned int nZ, nOut;
37
38 // See: https://github.com/google/bzip2-rpc/blob/master/unzcrash.c#L39
39 nOut = size*2;
40 char *outbuf = malloc(nOut);
41 small = size % 2;
42 r = BZ2_bzBuffToBuffDecompress(outbuf, &nOut, (char *)data, size,
43 small, /*verbosity=*/0);
44
45 if (r != BZ_OK) {
46 #ifdef __DEBUG__
47 fprintf(stdout, "Decompression error: %d\n", r);
48 #endif
49 }
50 free(outbuf);
51 return 0;
52 }