From: cypherpunks <cypherpunks@torproject.org>
Date: Wed, 9 Dec 2015 12:12:45 +0000 (+0100)
Subject: Assert that the directory server digest is given
X-Git-Tag: tor-0.2.8.1-alpha~177^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c76059ec9bc8ac99096b253fc4af1119f26102eb;p=thirdparty%2Ftor.git

Assert that the directory server digest is given

This prevents a possible crash when memory is copied from a pointer to
NULL.
---

diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index 814551521e..5e7906475f 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -4051,6 +4051,8 @@ dir_server_new(int is_authority,
   uint32_t a;
   char *hostname_ = NULL;
 
+  tor_assert(digest);
+
   if (weight < 0)
     return NULL;