git/oss-fuzz/fuzz-reftable.c

75 lines
1.8 KiB
C

#include "git-compat-util.h"
#include "reftable/basics.h"
#include "reftable/blocksource.h"
#include "reftable/reftable-blocksource.h"
#include "reftable/reftable-error.h"
#include "reftable/reftable-iterator.h"
#include "reftable/reftable-record.h"
#include "reftable/reftable-table.h"
#include "reftable/reftable-writer.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
struct reftable_block_source source = { 0 };
struct reftable_buf buf = REFTABLE_BUF_INIT;
struct reftable_table *table = NULL;
int err;
if (reftable_buf_add(&buf, (const char *)data, size) < 0)
goto out;
block_source_from_buf(&source, &buf);
err = reftable_table_new(&table, &source, "fuzz-input");
if (err < 0)
goto out;
/*
* Exercise the ref, log and raw block iterators so that we cover as
* much of the parsing code as possible.
*/
{
struct reftable_ref_record ref = { 0 };
struct reftable_iterator it = { 0 };
reftable_table_init_ref_iterator(table, &it);
if (!reftable_iterator_seek_ref(&it, ""))
while (!reftable_iterator_next_ref(&it, &ref))
;
reftable_ref_record_release(&ref);
reftable_iterator_destroy(&it);
}
{
struct reftable_log_record log = { 0 };
struct reftable_iterator it = { 0 };
reftable_table_init_log_iterator(table, &it);
if (!reftable_iterator_seek_log(&it, ""))
while (!reftable_iterator_next_log(&it, &log))
;
reftable_log_record_release(&log);
reftable_iterator_destroy(&it);
}
{
struct reftable_table_iterator it = { 0 };
const struct reftable_block *block;
if (!reftable_table_iterator_init(&it, table))
while (!reftable_table_iterator_next(&it, &block))
;
reftable_table_iterator_release(&it);
}
out:
if (table)
reftable_table_decref(table);
reftable_buf_release(&buf);
return 0;
}