Systemd/src/udev/net/fuzz-link-parser.c
2020-11-09 13:23:58 +09:00

29 lines
841 B
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "fd-util.h"
#include "fs-util.h"
#include "fuzz.h"
#include "link-config.h"
#include "tmpfile-util.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
_cleanup_(link_config_ctx_freep) link_config_ctx *ctx = NULL;
_cleanup_(unlink_tempfilep) char filename[] = "/tmp/fuzz-link-config.XXXXXX";
_cleanup_fclose_ FILE *f = NULL;
if (size > 65535)
return 0;
if (!getenv("SYSTEMD_LOG_LEVEL"))
log_set_max_level(LOG_CRIT);
assert_se(fmkostemp_safe(filename, "r+", &f) == 0);
if (size != 0)
assert_se(fwrite(data, size, 1, f) == 1);
fflush(f);
assert_se(link_config_ctx_new(&ctx) >= 0);
(void) link_load_one(ctx, filename);
return 0;
}