| 1 | #include "git-compat-util.h" |
| 2 | #include "reftable/basics.h" |
| 3 | #include "reftable/blocksource.h" |
| 4 | #include "reftable/reftable-blocksource.h" |
| 5 | #include "reftable/reftable-error.h" |
| 6 | #include "reftable/reftable-iterator.h" |
| 7 | #include "reftable/reftable-record.h" |
| 8 | #include "reftable/reftable-table.h" |
| 9 | #include "reftable/reftable-writer.h" |
| 10 | |
| 11 | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); |
| 12 | |
| 13 | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) |
| 14 | { |
| 15 | struct reftable_block_source source = { 0 }; |
| 16 | struct reftable_buf buf = REFTABLE_BUF_INIT; |
| 17 | struct reftable_table *table = NULL; |
| 18 | int err; |
| 19 | |
| 20 | if (reftable_buf_add(&buf, (const char *)data, size) < 0) |
| 21 | goto out; |
| 22 | block_source_from_buf(&source, &buf); |
| 23 | |
| 24 | err = reftable_table_new(&table, &source, "fuzz-input"); |
| 25 | if (err < 0) |
| 26 | goto out; |
| 27 | |
| 28 | /* |
| 29 | * Exercise the ref, log and raw block iterators so that we cover as |
| 30 | * much of the parsing code as possible. |
| 31 | */ |
| 32 | { |
| 33 | struct reftable_ref_record ref = { 0 }; |
| 34 | struct reftable_iterator it = { 0 }; |
| 35 | |
| 36 | reftable_table_init_ref_iterator(table, &it); |
| 37 | if (!reftable_iterator_seek_ref(&it, "")) |
| 38 | while (!reftable_iterator_next_ref(&it, &ref)) |
| 39 | ; |
| 40 | |
| 41 | reftable_ref_record_release(&ref); |
| 42 | reftable_iterator_destroy(&it); |
| 43 | } |
| 44 | |
| 45 | { |
| 46 | struct reftable_log_record log = { 0 }; |
| 47 | struct reftable_iterator it = { 0 }; |
| 48 | |
| 49 | reftable_table_init_log_iterator(table, &it); |
| 50 | if (!reftable_iterator_seek_log(&it, "")) |
| 51 | while (!reftable_iterator_next_log(&it, &log)) |
| 52 | ; |
| 53 | |
| 54 | reftable_log_record_release(&log); |
| 55 | reftable_iterator_destroy(&it); |
| 56 | } |
| 57 | |
| 58 | { |
| 59 | struct reftable_table_iterator it = { 0 }; |
| 60 | const struct reftable_block *block; |
| 61 | |
| 62 | if (!reftable_table_iterator_init(&it, table)) |
| 63 | while (!reftable_table_iterator_next(&it, &block)) |
| 64 | ; |
| 65 | |
| 66 | reftable_table_iterator_release(&it); |
| 67 | } |
| 68 | |
| 69 | out: |
| 70 | if (table) |
| 71 | reftable_table_decref(table); |
| 72 | reftable_buf_release(&buf); |
| 73 | return 0; |
| 74 | } |