| 1 | #include "git-compat-util.h" |
| 2 | #include "config.h" |
| 3 | |
| 4 | int LLVMFuzzerTestOneInput(const uint8_t *, size_t); |
| 5 | static int config_parser_callback(const char *, const char *, |
| 6 | const struct config_context *, void *); |
| 7 | |
| 8 | static int config_parser_callback(const char *key, const char *value, |
| 9 | const struct config_context *ctx UNUSED, |
| 10 | void *data UNUSED) |
| 11 | { |
| 12 | /* |
| 13 | * Visit every byte of memory we are given to make sure the parser |
| 14 | * gave it to us appropriately. We need to unconditionally return 0, |
| 15 | * but we also want to prevent the strlen from being optimized away. |
| 16 | */ |
| 17 | size_t c = strlen(key); |
| 18 | |
| 19 | if (value) |
| 20 | c += strlen(value); |
| 21 | return c == SIZE_MAX; |
| 22 | } |
| 23 | |
| 24 | int LLVMFuzzerTestOneInput(const uint8_t *data, const size_t size) |
| 25 | { |
| 26 | struct config_options config_opts = { 0 }; |
| 27 | |
| 28 | config_opts.error_action = CONFIG_ERROR_SILENT; |
| 29 | git_config_from_mem(config_parser_callback, CONFIG_ORIGIN_BLOB, |
| 30 | "fuzztest-config", (const char *)data, size, NULL, |
| 31 | CONFIG_SCOPE_UNKNOWN, &config_opts); |
| 32 | return 0; |
| 33 | } |