1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/fuzz/script_parsing.cpp b/src/test/fuzz/script_parsing.cpp
new file mode 100644
index 0000000000..d29a6ea90c
--- /dev/null
+++ b/src/test/fuzz/script_parsing.cpp
@@ -0,0 +1,33 @@
+// Copyright (c) 2019-2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <script/parsing.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.h>
+#include <util/string.h>
+
+using util::Split;
+
+FUZZ_TARGET(script_parsing)
+{
+    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
+    const size_t query_size = fuzzed_data_provider.ConsumeIntegral<size_t>();
+    const std::string query = fuzzed_data_provider.ConsumeBytesAsString(std::min<size_t>(query_size, 1024 * 1024));
+    const std::string span_str = fuzzed_data_provider.ConsumeRemainingBytesAsString();
+    const Span<const char> const_span{span_str};
+
+    Span<const char> mut_span = const_span;
+    (void)script::Const(query, mut_span);
+
+    mut_span = const_span;
+    (void)script::Func(query, mut_span);
+
+    mut_span = const_span;
+    (void)script::Expr(mut_span);
+
+    if (!query.empty()) {
+        mut_span = const_span;
+        (void)Split(mut_span, query.front());
+    }
+}