1 files changed, 25 insertions, 0 deletions
diff --git a/contrib/libucl/tests/fuzzers/ucl_add_string_fuzzer.c b/contrib/libucl/tests/fuzzers/ucl_add_string_fuzzer.c
new file mode 100644
index 000000000000..388ce5dffebb
--- /dev/null
+++ b/contrib/libucl/tests/fuzzers/ucl_add_string_fuzzer.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include "ucl.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+	// If size is 0 we need a null-terminated string.
+	// We dont null-terminate the string and by the design
+	// of the API passing 0 as size with non null-terminated string
+	// gives undefined behavior. 	
+	if(size==0){
+		return 0;
+	}
+	struct ucl_parser *parser;
+       	parser = ucl_parser_new(0);
+	
+	ucl_parser_add_string(parser, (char *)data, size);
+	
+	if (ucl_parser_get_error(parser) != NULL) {
+		return 0;
+	}
+
+	ucl_parser_free (parser);
+        return 0;
+}