src/fuzz/fuzz-varlink-idl.c


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/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <unistd.h>

#include "errno-util.h"
#include "fd-util.h"
#include "fuzz.h"
#include "io-util.h"
#include "varlink-idl.h"
#include "log.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
        _cleanup_(varlink_interface_freep) VarlinkInterface *vi = NULL;
        _cleanup_free_ char *str = NULL, *dump = NULL;
        int r;

        if (outside_size_range(size, 0, 64 * 1024))
                return 0;

        fuzz_setup_logging();

        assert_se(str = memdup_suffix0(data, size));

        r = varlink_idl_parse(str, /* line= */ NULL, /* column= */ NULL, &vi);
        if (r < 0) {
                log_debug_errno(r, "Failed to parse varlink interface definition: %m");
                return 0;
        }

        assert_se(varlink_idl_format(vi, &dump) >= 0);
        (void) varlink_idl_consistent(vi, LOG_DEBUG);

        return 0;
}