1 files changed, 25 insertions, 0 deletions
diff --git a/fuzz/decode_frame.cc b/fuzz/decode_frame.cc
new file mode 100644
index 0000000..13431fd
--- /dev/null
+++ b/fuzz/decode_frame.cc
@@ -0,0 +1,25 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "ngtcp2_conn.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  for (; size;) {
+    ngtcp2_max_frame mfr{};
+
+    auto nread = ngtcp2_pkt_decode_frame(&mfr.fr, data, size);
+    if (nread < 0) {
+      return 0;
+    }
+
+    data += nread;
+    size -= nread;
+  }
+
+  return 0;
+}