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-rw-r--r--tests-fuzz/fuzz_dname_from_str.c39
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diff --git a/tests-fuzz/fuzz_dname_from_str.c b/tests-fuzz/fuzz_dname_from_str.c
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+/* Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "libknot/dname.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+ // Prepare 0-terminated dname string.
+ char *txt = malloc(size + 1);
+ if (txt == NULL) {
+ return 0;
+ }
+ memcpy(txt, data, size);
+ txt[size] = '\0';
+
+ // Transform the input.
+ knot_dname_storage_t dname;
+ (void)knot_dname_from_str(dname, txt, sizeof(dname));
+
+ free(txt);
+
+ return 0;
+}