| /* A simple fuzzer that finds a trivial crash via a __builtin_trap. */ |
| #include <stdint.h> |
| #include <stddef.h> |
| |
| int f_function(const uint8_t *data, size_t size) { |
| __builtin_trap(); |
| } |
| |
| int e_function(const uint8_t *data, size_t size) { |
| if (size > 4 && data[4] == 'e') { |
| return f_function(data, size); |
| } |
| return 0; |
| } |
| |
| int d_function(const uint8_t *data, size_t size) { |
| if (size > 3 && data[3] == 'd') { |
| return e_function(data, size); |
| } |
| return 0; |
| } |
| |
| int c_function(const uint8_t *data, size_t size) { |
| if (size > 2 && data[2] == 'c') { |
| return d_function(data, size); |
| } |
| return 0; |
| } |
| |
| int b_function(const uint8_t *data, size_t size) { |
| if (size > 1 && data[1] == 'b') { |
| return c_function(data, size); |
| } |
| return 0; |
| } |
| |
| int a_function(const uint8_t *data, size_t size) { |
| if (size > 0 && data[0] == 'a') { |
| return b_function(data, size); |
| } |
| return 0; |
| } |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| return a_function(data, size); |
| } |