/src/c-blosc2/tests/fuzz/fuzz_decompress_frame.c
Line | Count | Source (jump to first uncovered line) |
1 | | #include <stdint.h> |
2 | | #include <stdlib.h> |
3 | | #include <stdio.h> |
4 | | |
5 | | #include <blosc2.h> |
6 | | |
7 | | #ifdef __cplusplus |
8 | | extern "C" { |
9 | | #endif |
10 | | |
11 | 6 | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
12 | 6 | int32_t i = 0, dsize = 0; |
13 | 6 | int32_t nchunk = 0; |
14 | | |
15 | 6 | blosc2_init(); |
16 | 6 | blosc2_set_nthreads(1); |
17 | | |
18 | | /* Create a super-chunk backed by an in-memory frame */ |
19 | 6 | blosc2_schunk* schunk = blosc2_schunk_from_buffer((uint8_t *) data, (int64_t)size, false); |
20 | 6 | if (schunk == NULL) { |
21 | 6 | blosc2_destroy(); |
22 | 6 | return 0; |
23 | 6 | } |
24 | | /* Don't allow address sanitizer to allocate more than INT32_MAX */ |
25 | 0 | if (schunk->nbytes >= INT32_MAX) { |
26 | 0 | blosc2_schunk_free(schunk); |
27 | 0 | blosc2_destroy(); |
28 | 0 | return 0; |
29 | 0 | } |
30 | | /* Decompress data */ |
31 | 0 | uint8_t *uncompressed_data = (uint8_t *)malloc((size_t)schunk->nbytes+1); |
32 | 0 | if (uncompressed_data != NULL) { |
33 | 0 | for (i = 0, nchunk = 0; nchunk < schunk->nchunks-1; nchunk++) { |
34 | 0 | dsize = blosc2_schunk_decompress_chunk(schunk, nchunk, uncompressed_data + i, schunk->chunksize); |
35 | 0 | if (dsize < 0) { |
36 | 0 | printf("Decompression error. Error code: %d\n", dsize); |
37 | 0 | break; |
38 | 0 | } |
39 | 0 | i += dsize; |
40 | 0 | } |
41 | |
|
42 | 0 | free(uncompressed_data); |
43 | 0 | } |
44 | |
|
45 | 0 | blosc2_schunk_free(schunk); |
46 | 0 | blosc2_destroy(); |
47 | 0 | return 0; |
48 | 0 | } |
49 | | |
50 | | #ifdef __cplusplus |
51 | | } |
52 | | #endif |