1 files changed, 39 insertions, 0 deletions
diff --git a/tests-fuzz/fuzz_dname_from_str.c b/tests-fuzz/fuzz_dname_from_str.c
new file mode 100644
index 0000000..518dbe5
--- /dev/null
+++ b/tests-fuzz/fuzz_dname_from_str.c
@@ -0,0 +1,39 @@
+/*  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;
+}