[GNUnet-SVN] [gnunet] branch master updated: Avoid dvision by zero

[gnunet]

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hernani pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 99f858c66 Avoid dvision by zero
99f858c66 is described below

commit 99f858c66be3206f5660c9d031cd6e6345a1267d
Author: Hernani Marques <address@hidden>
AuthorDate: Sun Jun 24 23:32:01 2018 +0200

    Avoid dvision by zero
---
 src/multicast/gnunet-service-multicast.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/multicast/gnunet-service-multicast.c 
b/src/multicast/gnunet-service-multicast.c
index cf7dde913..b5be257d6 100644
--- a/src/multicast/gnunet-service-multicast.c
+++ b/src/multicast/gnunet-service-multicast.c
@@ -1448,6 +1448,12 @@ check_client_member_join (void *cls,
   uint16_t msg_size = ntohs (msg->header.size);
   struct GNUNET_PeerIdentity *relays = (struct GNUNET_PeerIdentity *) &msg[1];
   uint32_t relay_count = ntohl (msg->relay_count);
+
+  if (0 == relay_count}
+  {
+     GNUNET_break (0);
+    return GNUNET_SYSERR;
+  }
   if (UINT32_MAX / relay_count < sizeof (*relays)){
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                     "relay_count (%lu) * sizeof (*relays)  (%lu) exceeds 
UINT32_MAX!\n",

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