From: Wojciech Dec <wdec@cisco.com>
Date: Tue, 3 Jan 2017 09:38:37 +0000 (+0100)
Subject: Fix crash on null vhost-user socket - VPP-573
X-Git-Tag: v17.04-rc1~439
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F03%2F4503%2F5;p=vpp.git

Fix crash on null vhost-user socket - VPP-573

Fix for VPP-573.

Change-Id: If7d9690901efebf62fdf28219097153d98c79c0c
Signed-off-by: Wojciech Dec <wdec@cisco.com>
---

diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c
index bde8106c501..f9bbae4f90f 100644
--- a/src/vnet/devices/virtio/vhost-user.c
+++ b/src/vnet/devices/virtio/vhost-user.c
@@ -2578,6 +2578,11 @@ vhost_user_create_if (vnet_main_t * vnm, vlib_main_t * vm,
   int rv = 0;
   int server_sock_fd = -1;
 
+  if (sock_filename == NULL || !(strlen (sock_filename) > 0))
+    {
+      return VNET_API_ERROR_INVALID_ARGUMENT;
+    }
+
   if (is_server)
     {
       if ((rv =