Add fuzzing!

Reviewed-by: Emilia Käsper <emilia@openssl.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/fuzz/cms.c b/fuzz/cms.c
new file mode 100644
index 0000000000..7b4fc3d319
--- /dev/null
+++ b/fuzz/cms.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL licenses, (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://www.openssl.org/source/license.html
+ * or in the file LICENSE in the source distribution.
+ */
+
+/*
+ * Test CMS DER parsing.
+ */
+
+#include <openssl/bio.h>
+#include <openssl/cms.h>
+#include "fuzzer.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
+    BIO *in = BIO_new(BIO_s_mem());
+    OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
+    CMS_ContentInfo *i = d2i_CMS_bio(in, NULL);
+    CMS_ContentInfo_free(i);
+    BIO_free(in);
+    return 0;
+}