Mike Aizatsky | f13cbee | 2016-04-01 18:38:58 +0000 | [diff] [blame] | 1 | // This file is distributed under the University of Illinois Open Source |
| 2 | // License. See LICENSE.TXT for details. |
| 3 | |
Kostya Serebryany | 16d03bd | 2015-03-30 22:09:51 +0000 | [diff] [blame] | 4 | // Simple test for a fuzzer. The fuzzer must find several narrow ranges. |
| 5 | #include <cstdint> |
| 6 | #include <cstdlib> |
| 7 | #include <cstring> |
| 8 | #include <cstdio> |
| 9 | |
Kostya Serebryany | 20bb5e7 | 2015-10-02 23:34:06 +0000 | [diff] [blame] | 10 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| 11 | if (Size < 14) return 0; |
Kostya Serebryany | 16d03bd | 2015-03-30 22:09:51 +0000 | [diff] [blame] | 12 | uint64_t x = 0; |
| 13 | int64_t y = 0; |
| 14 | int z = 0; |
| 15 | unsigned short a = 0; |
| 16 | memcpy(&x, Data, 8); |
| 17 | memcpy(&y, Data + Size - 8, 8); |
| 18 | memcpy(&z, Data + Size / 2, sizeof(z)); |
| 19 | memcpy(&a, Data + Size / 2 + 4, sizeof(a)); |
| 20 | |
| 21 | if (x > 1234567890 && |
| 22 | x < 1234567895 && |
| 23 | y >= 987654321 && |
| 24 | y <= 987654325 && |
| 25 | z < -10000 && |
| 26 | z >= -10005 && |
| 27 | z != -10003 && |
| 28 | a == 4242) { |
Kostya Serebryany | a407dde | 2015-05-07 00:11:33 +0000 | [diff] [blame] | 29 | fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", |
Kostya Serebryany | 16d03bd | 2015-03-30 22:09:51 +0000 | [diff] [blame] | 30 | Size, x, y, z, a); |
| 31 | exit(1); |
| 32 | } |
Kostya Serebryany | 20bb5e7 | 2015-10-02 23:34:06 +0000 | [diff] [blame] | 33 | return 0; |
Kostya Serebryany | 16d03bd | 2015-03-30 22:09:51 +0000 | [diff] [blame] | 34 | } |