From: Guido Vranken <guidovranken@gmail.com>
Date: Thu, 10 Aug 2017 22:27:40 +0000 (+0200)
Subject: fuzzer-mroute.c: add comments
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e54397299eddc9cab8eb0ae1731689d46ef83f41;p=thirdparty%2Fopenvpn.git

fuzzer-mroute.c: add comments
---

diff --git a/src/openvpn/fuzzer-mroute.c b/src/openvpn/fuzzer-mroute.c
index e1e53a1cb..9fee74e05 100644
--- a/src/openvpn/fuzzer-mroute.c
+++ b/src/openvpn/fuzzer-mroute.c
@@ -6,6 +6,10 @@
 #include "socket.h"
 #include "buffer.h"
 
+/* Start of serialization of struct mroute_helper.
+ * This is necessary to test whether the data structure contains
+ * any uninitialized data. If it does, MemorySanitizer will detect
+ * it upon serialization */
 static void serialize_mroute_helper(struct mroute_helper* mh)
 {
     test_undefined_memory(&mh->cache_generation, sizeof(mh->cache_generation));
@@ -15,10 +19,13 @@ static void serialize_mroute_helper(struct mroute_helper* mh)
     test_undefined_memory(&mh->net_len_refcount, mh->n_net_len * sizeof(mh->net_len_refcount[0]));
 }
 
+/* End of serialization of struct mroute_helper. */
+
 int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
     return 1;
 }
+
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
     struct mroute_addr src, dest, esrc, edest;