[GNUnet-SVN] [gnunet] branch master updated: Check for invalid path_length

[gnunet]

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david-barksdale pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 517cf93fb Check for invalid path_length
517cf93fb is described below

commit 517cf93fbd1c97a9909c6643601c8592553966bd
Author: David Barksdale <address@hidden>
AuthorDate: Fri Dec 22 14:54:30 2017 -0600

    Check for invalid path_length
---
 src/cadet/gnunet-service-cadet_core.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/cadet/gnunet-service-cadet_core.c 
b/src/cadet/gnunet-service-cadet_core.c
index ae03b4f35..a67bbf445 100644
--- a/src/cadet/gnunet-service-cadet_core.c
+++ b/src/cadet/gnunet-service-cadet_core.c
@@ -771,6 +771,12 @@ handle_connection_create (void *cls,
 
   options = (enum GNUNET_CADET_ChannelOption) ntohl (msg->options);
   path_length = size / sizeof (struct GNUNET_PeerIdentity);
+  if (0 == path_length)
+  {
+    /* bogus request */
+    GNUNET_break_op (0);
+    return;
+  }
   /* Initiator is at offset 0. */
   for (off=1;off<path_length;off++)
     if (0 == memcmp (&my_full_id,

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